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value | repo_name stringlengths 13 113 | name stringlengths 3 74 | ext stringclasses 1
value | path stringlengths 12 229 | size int64 23 843k | source_encoding stringclasses 9
values | md5 stringlengths 32 32 | text stringlengths 23 843k |
|---|---|---|---|---|---|---|---|---|
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_Infer_MeanField.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/infer/UGM_Infer_MeanField.m | 1,956 | utf_8 | 1a659d358023ab95cf73d2942da59c9f | function [nodeBel, edgeBel, logZ] = UGM_Infer_MF(nodePot,edgePot,edgeStruct)
if edgeStruct.useMex
[nodeBel,edgeBel,logZ] = UGM_Infer_MFC(nodePot,edgePot,int32(edgeStruct.edgeEnds),int32(edgeStruct.nStates),int32(edgeStruct.V),int32(edgeStruct.E),edgeStruct.maxIter);
else
[nodeBel,edgeBel,logZ] = Infer_MF(nodeP... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_makeCRFEdgePotentials.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/train/UGM_makeCRFEdgePotentials.m | 2,061 | utf_8 | d92fcedfcf5f8b4897a7fd7a073c91d6 | function [edgePot] = UGM_makeEdgePotentials(Xedge,v,edgeStruct,infoStruct)
% [edgePot] = UGM_makeEdgePotentials(Xedge,v,edgeStruct,infoStruct)
%
% Makes pairwise class potentials for each node
%
% Xedge(1,feature,edge)
% v(feature,variable,variable) - edge weights
% nStates - number of States per node
%
% edge... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_makeCRFNodePotentials.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/train/UGM_makeCRFNodePotentials.m | 1,096 | utf_8 | 9ba31d7e5a0c2c1075e59aeba48b41dd | function [nodePot] = UGM_makeCRFnodePotentials(X,w,edgeStruct,infoStruct)
% [nodePot] = UGM_makeCRFnodePotentials(X,w,edgeStruct,infoStruct)
% Makes class potentials for each node
%
% X(1,feature,node)
% w(feature,variable,variable) - node weights
% nStates - number of states per node
%
% nodePot(node,class)
... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_CRFLoss.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/train/UGM_CRFLoss.m | 5,408 | utf_8 | c78c4a90e6e0470ad59081dab6b49b4d | function [f,g] = UGM_loss(wv,X,Xedge,y,edgeStruct,infoStruct,inferFunc,varargin)
% wv(variable)
% X(instance,feature,node)
% Xedge(instance,feature,edge)
% y(instance,node)
% edgeStruct
% inferFunc
% varargin - additional parameters of inferFunc
showErr = 0;
[nInstances,nNodeFeatures,nNodes] = size(X);
nEdgeFeatures ... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_MRFLoss.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/train/UGM_MRFLoss.m | 5,252 | utf_8 | dd0fdaa52e758a4d99c50e16e1efe602 | function [f,g] = UGM_MRFLoss(wv,y,edgeStruct,infoStruct,inferFunc,varargin)
% [f,g] = UGM_MRFLoss(wv,y,edgeStruct,infoStruct,inferFunc,varargin)
nNodeFeatures = 1;
nEdgeFeatures = 1;
[nInstances,nNodes] = size(y);
nFeatures = nNodeFeatures+nEdgeFeatures;
edgeEnds = edgeStruct.edgeEnds;
nEdges = size(edgeEnds,1);
tieNo... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_CRFpseudoLoss.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/train/UGM_CRFpseudoLoss.m | 9,857 | utf_8 | 4f2c7be5956dc41f8c3d0ffeb9e3cb83 | function [f,g,H] = UGM_loss(wv,X,Xedge,y,edgeStruct,infoStruct)
% wv(variable)
% X(instance,feature,node)
% Xedge(instance,feature,edge)
% y(instance,node)
% edgeStruct
% inferFunc
% tied
% Form weights
[w,v] = UGM_splitWeights(wv,infoStruct);
% Make Potentials
nodePot = UGM_makeCRFNodePotentials(X,w,edgeStruct,infoS... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_Decode_ICM.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/decode/UGM_Decode_ICM.m | 1,503 | utf_8 | cd4313f1c39a3352242ef7e499b04336 | function [y] = UGM_Decode_ICM(nodePot, edgePot, edgeStruct,y)
% INPUT
% nodePot(node,class)
% edgePot(class,class,edge) where e is referenced by V,E (must be the same
% between feature engine and inference engine)
%
% OUTPUT
% nodeLabel(node)
if nargin < 4
[junk y] = max(nodePot,[],2);
end
if edgeSt... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | UGM_Decode_Exact.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/UGM/decode/UGM_Decode_Exact.m | 1,354 | utf_8 | 982b1e4d88dc1958161d17ca9abc1743 | function [nodeLabels] = UGM_Infer_Exact(nodePot, edgePot, edgeStruct)
% INPUT
% nodePot(node,class)
% edgePot(class,class,edge) where e is referenced by V,E (must be the same
% between feature engine and inference engine)
%
% OUTPUT
% nodeLabel(node)
assert(prod(edgeStruct.nStates) < 50000000,'Brute Force Ex... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | WolfeLineSearch.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/minFunc/WolfeLineSearch.m | 11,395 | utf_8 | 3d2acf1139093fe11df95ccdf888aab8 | function [t,f_new,g_new,funEvals,H] = WolfeLineSearch(...
x,t,d,f,g,gtd,c1,c2,LS,maxLS,tolX,debug,doPlot,saveHessianComp,funObj,varargin)
%
% Bracketing Line Search to Satisfy Wolfe Conditions
%
% Inputs:
% x: starting location
% t: initial step size
% d: descent direction
% f: function value at st... |
github | ColumbiaDVMM/Weak-attributes-for-large-scale-image-retrieval-master | minFunc_processInputOptions.m | .m | Weak-attributes-for-large-scale-image-retrieval-master/UGM/minFunc/minFunc_processInputOptions.m | 3,704 | utf_8 | dc74c67d849970de7f16c873fcf155bc |
function [verbose,verboseI,debug,doPlot,maxFunEvals,maxIter,tolFun,tolX,method,...
corrections,c1,c2,LS_init,LS,cgSolve,qnUpdate,cgUpdate,initialHessType,...
HessianModify,Fref,useComplex,numDiff,LS_saveHessianComp,...
DerivativeCheck,Damped,HvFunc,bbType,cycle,...
HessianIter,outputFcn,useMex,use... |
github | dbindel/matfeap-master | feapstart.m | .m | matfeap-master/mlab/feapstart.m | 9,171 | utf_8 | e102bfd4fb20856b20b216ca58908106 | % feap = feapstart(fname, params)
%
% Start a FEAP process using an input file given by ifname.
% The optional param argument may be used to set parameters
% for the input deck; for example, if a parameter 'n' is used
% in a deck 'Ifoo', then
%
% param.n = 10
% p = feapstart('Ifoo', param)
%
% will give n a default... |
github | dbindel/matfeap-master | feapjsock.m | .m | matfeap-master/mlab/jsock/feapjsock.m | 1,707 | utf_8 | a6ed7d43c262995619f84c9aac082663 | function feapjsock;
% @T -----------------------------------
% \section{Interface to the Java socket helper}
%
% The Java socket helper class is a thin layer that lets us use
% Java stream descriptors and binary I/O routines. We use it to
% establish socket connections, send an recieve lines of data,
% etc.
%
% The ... |
github | dbindel/matfeap-master | feaps.m | .m | matfeap-master/mlab/web/feaps.m | 4,407 | utf_8 | 1cd3632e19fb2425b5a1c1dca1081e1b | % @T ===========================
% \section {Communication setup}
%
% These routines are used to specify which of the three communication modes
% available to MATFEAP should be used.
%
% @q ===========================
% @T -------------------------------------------------------------------
% \subsection{Setting up pip... |
github | dbindel/matfeap-master | feaputil.m | .m | matfeap-master/mlab/web/feaputil.m | 3,327 | utf_8 | cb927dcc4eeae6458daad5401522e6b7 | function feaputil;
% @T ===========================
% \section {Utility commands}
%
% These are low-level routines that should generally be invisible
% to the user.
%
% @q ===========================
% @T --------------------------------------------
% \subsection{Waiting for synchronization}
%
% The [[feapsync]] comm... |
github | dbindel/matfeap-master | feapgetset.m | .m | matfeap-master/mlab/web/feapgetset.m | 12,849 | utf_8 | e8d076c7e3aca7936adb76e7f2757911 | function feapgetset;
% @T ===========================
% \section {Basic getter / setter interfaces}
%
% These are the MATLAB interface routines that get and set FEAP
% matrices, arrays, and scalars.
%
% @q ===========================
% @T --------------------------------------------
% \subsection{Getting scalar valu... |
github | dbindel/matfeap-master | feapuser.m | .m | matfeap-master/mlab/web/feapuser.m | 2,227 | utf_8 | af1bd30707611e6be7a5eae37954cff2 | function feapuser;
% @T ===========================
% \section {User commands}
%
% These are the main routines in the interface used directly by MATFEAP
% users.
%
% @q ===========================
% @T --------------------------------------------
% \subsection{Invoking FEAP macro commands}
%
% The [[feapcmd]] routine... |
github | seisgo/EllipseFit-master | funcEllipseFit_RBrown.m | .m | EllipseFit-master/matlab/funcEllipseFit_RBrown.m | 12,164 | utf_8 | 6a7540c4ea13825a717addd48ae2051a | function [z, a, b, alpha] = funcEllipseFit_RBrown(x, varargin)
%FITELLIPSE least squares fit of ellipse to 2D data
% http://www.mathworks.com/matlabcentral/fileexchange/15125-fitellipse-m
% [Z, A, B, ALPHA] = FITELLIPSE(X)
% Fit an ellipse to the 2D points in the 2xN array X. The ellipse is
% returned i... |
github | seisgo/EllipseFit-master | funcEllipseFit_nlinfit.m | .m | EllipseFit-master/matlab/funcEllipseFit_nlinfit.m | 639 | utf_8 | 634fb60894d1e5bdc3cd6eacd6c48943 | % Ellipse Fitting using nlinfit function and adopting conic section as
% nonlinear regression model function.
% This function can be extended to other conic section fitting, like
% circle, parabola and hyperbola.
function [modelF,fitCoef]=funcEllipseFit_nlinfit(inMtrx)
% Ellipse Function
modelF=@(fitCoef,inMtrx)fitCoef... |
github | steventhornton/Newton-Fractal-master | int2rgb.m | .m | Newton-Fractal-master/src/int2rgb.m | 2,257 | utf_8 | 9e22059a3b65e4dc93a94404eac4f2fd | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 8/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | iteration.m | .m | Newton-Fractal-master/src/iteration.m | 4,046 | utf_8 | 492f16e63e4dec5240a65553b6e34de5 | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | newtonFractal.m | .m | Newton-Fractal-master/src/newtonFractal.m | 5,645 | utf_8 | ee449dd78b9840fb3a5c6513cbf226c2 | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | halleyFractal.m | .m | Newton-Fractal-master/src/halleyFractal.m | 6,042 | utf_8 | 20638b73c41f44527c542e99dae833bd | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | makeMesh.m | .m | Newton-Fractal-master/src/makeMesh.m | 3,029 | utf_8 | f1c98219c37f7ac66e320201aaa063fb | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 6/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | makeFractal.m | .m | Newton-Fractal-master/src/makeFractal.m | 11,534 | utf_8 | 54266b6d79424ced869e294678607c3c | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | double2rgb.m | .m | Newton-Fractal-master/src/double2rgb.m | 3,569 | utf_8 | 75aba98dfb19353cb6cf384524f0853b | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Oct. 25/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | processOptions.m | .m | Newton-Fractal-master/src/processOptions.m | 5,969 | utf_8 | ebb6ff0e936e57b2a3db455cd095d5d2 | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 6/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | newtonsMethod.m | .m | Newton-Fractal-master/src/methods/newtonsMethod.m | 2,528 | utf_8 | 75fb2f00ad6efd1ae22fc5f06868030d | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | steventhornton/Newton-Fractal-master | halleysMethod.m | .m | Newton-Fractal-master/src/methods/halleysMethod.m | 2,638 | utf_8 | 2bc7c532b5459cd6ee000921beaece95 | % ----------------------------------------------------------------------- %
% AUTHOR .... Steven E. Thornton (Copyright (c) 2016) %
% EMAIL ..... sthornt7@uwo.ca %
% UPDATED ... Sept. 7/2016 %
% ... |
github | DevLibraries/SmallLibraries-master | analyze_leafsize_stats.m | .m | SmallLibraries-master/Permissive/nanoflann/perf-tests/analyze_leafsize_stats.m | 1,502 | utf_8 | 5bcc7168b358ccc2a7e4345373d29a85 | function [] = analyze_leafsize_stats()
% Compute the stats from the result files of performance tests wrt
% the max. leaf size
close all;
%D=load('LEAF_STATS.txt');
%D=load('LEAF_STATS_DOUBLE.txt');
D=load('LEAF_STATS_DATASET.txt');
MAXs = unique(D(:,2));
COLs = {'k','b','r','g'}; % C... |
github | DevLibraries/SmallLibraries-master | analyze_stats.m | .m | SmallLibraries-master/Permissive/nanoflann/perf-tests/analyze_stats.m | 2,369 | utf_8 | b6d766f7cf55dee127cf6bb3085f2776 | function [] = analyze_stats()
% Compute the stats from the result files of flann & nanoflann performance tests
%
close all;
[Nsf, Tf_M, Tf_STD] = analyze_file('stats_flann.txt');
[Nsnf, Tnf_M, Tnf_STD]= analyze_file('stats_nanoflann.txt');
titles={'Convert into Matrix<>', 'Build index', 'One 3D... |
github | hazirbas/light-field-toolbox-master | LFCalRectifyLF.m | .m | light-field-toolbox-master/LFToolbox0.4/LFCalRectifyLF.m | 4,859 | utf_8 | 58ca494191153d4b172d9f8d2408ca25 | % LFCalRectifyLF - rectify a light field using a calibrated camera model, called as part of LFUtilDecodeLytroFolder
%
% Usage:
% [LF, RectOptions] = LFCalRectifyLF( LF, CalInfo, RectOptions )
% [LF, RectOptions] = LFCalRectifyLF( LF, CalInfo )
%
% This function is called by LFUtilDecodeLytroFolder to rectify a ... |
github | hazirbas/light-field-toolbox-master | LFWriteMetadata.m | .m | light-field-toolbox-master/LFToolbox0.4/LFWriteMetadata.m | 10,271 | utf_8 | 18ac683694e04562a3249c7226bdde52 | % LFWriteMetadata - saves variables to a file in JSON format
%
% Usage:
% LFWriteMetadata( JsonFileFname, DataToSave )
%
% This function saves data to a JSON file.
%
% Based on JSONlab by Qianqian Fang,
% http://www.mathworks.com.au/matlabcentral/fileexchange/33381-jsonlab-a-toolbox-to-encodedecode-json-files-in-m... |
github | hazirbas/light-field-toolbox-master | LFBuild4DFreqDualFan.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild4DFreqDualFan.m | 4,955 | utf_8 | b925c1d38066faa9f44d0c51b8c68d91 | % LFBuild4DFreqDualFan - construct a 4D dual-fan passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild4DFreqDualFan( LFSize, Slope, BW, FiltOptions )
% H = LFBuild4DFreqDualFan( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 4D, for which the pas... |
github | hazirbas/light-field-toolbox-master | LFBuild4DFreqHypercone.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild4DFreqHypercone.m | 4,501 | utf_8 | 256d28a026711e06809d334c23db0633 | % LFBuild4DFreqHypercone - construct a 4D hypercone passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild4DFreqHypercone( LFSize, Slope, BW, FiltOptions )
% H = LFBuild4DFreqHypercone( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 4D, for which ... |
github | hazirbas/light-field-toolbox-master | LFUtilProcessWhiteImages.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilProcessWhiteImages.m | 12,517 | utf_8 | 82b7183214df46d50702d31ad904317c | % LFUtilProcessWhiteImages - process a folder/tree of white images by fitting a grid model to each
%
% Usage:
%
% LFUtilProcessWhiteImages
% LFUtilProcessWhiteImages( WhiteImagesPath )
% LFUtilProcessWhiteImages( WhiteImagesPath, FileOptions, GridModelOptions )
% LFUtilProcessWhiteImages( WhiteImagesPat... |
github | hazirbas/light-field-toolbox-master | LFCalDispEstPoses.m | .m | light-field-toolbox-master/LFToolbox0.4/LFCalDispEstPoses.m | 2,604 | utf_8 | 1f7d8e57212bcbb143d2c597e59038f3 | % LFCalDispEstPoses - Visualize pose estimates associated with a calibration info file
%
% Usage:
% LFCalDispEstPoses( InputPath, CalOptions, DrawFrameSizeMult, BaseColour )
%
% Draws a set of frames, one for each camera pose, in the colour defined by BaseColour. All inputs
% except InputPath are optional. Pass an... |
github | hazirbas/light-field-toolbox-master | LFMatlabPathSetup.m | .m | light-field-toolbox-master/LFToolbox0.4/LFMatlabPathSetup.m | 629 | utf_8 | 09c19ebacb36d9e2d70336dd7f62bc9c | % LFMatlabPathSetup - convenience function to add the light field toolbox to matlab's path
%
% It may be convenient to add this to your startup.m file.
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function LFMatlabPathSetup
% Find the path to this script, and use it as... |
github | hazirbas/light-field-toolbox-master | LFReadLFP.m | .m | light-field-toolbox-master/LFToolbox0.4/LFReadLFP.m | 9,456 | utf_8 | 12a412c0c96c3bd388028f4eb975749f | % LFReadLFP - Load a lytro LFP / LFR file
%
% Usage:
% [LFP, ExtraSections] = LFReadLFP( Fname )
%
% The Lytro LFP is a container format and may contain one of several types of data. The file extension varies based on
% the source of the files, with exported files, on-camera files and image library files variousl... |
github | hazirbas/light-field-toolbox-master | LFBuild4DFreqHyperfan.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild4DFreqHyperfan.m | 4,676 | utf_8 | 2bec28d4e5b0d48494ee457844595957 | % LFBuild4DFreqHyperfan - construct a 4D hyperfan passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild4DFreqHyperfan( LFSize, Slope, BW, FiltOptions )
% H = LFBuild4DFreqHyperfan( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 4D, for which the ... |
github | hazirbas/light-field-toolbox-master | LFUtilProcessCalibrations.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilProcessCalibrations.m | 3,086 | utf_8 | b7ed374da00985b749186101dccbfc70 | % LFUtilProcessCalibrations - process a folder/tree of camera calibrations
%
% Usage:
%
% LFUtilProcessCalibrations
% LFUtilProcessCalibrations( CalibrationsPath )
% LFUtilProcessCalibrations( CalibrationsPath, FileOptions )
% LFUtilProcessCalibrations( [], FileOptions )
%
% All parameters are optional... |
github | hazirbas/light-field-toolbox-master | LFUtilExtractLFPThumbs.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilExtractLFPThumbs.m | 2,528 | utf_8 | bcf530be1d01e6c00268cf5bbf398fde | % LFUtilExtractLFPThumbs - extract thumbnails from LFP files and write to disk
%
% Usage:
%
% LFUtilExtractLFPThumbs
% LFUtilExtractLFPThumbs( InputPath )
%
% This extracts the thumbnail preview and focal stack images from LFR and LFP files, and is useful in providing a
% preview, e.g. when copying files direct... |
github | hazirbas/light-field-toolbox-master | LFFilt2DFFT.m | .m | light-field-toolbox-master/LFToolbox0.4/LFFilt2DFFT.m | 4,344 | utf_8 | 94c37a901f7a9a1271d469d23be351cc | % LFFilt2DFFT - Apply a 2D frequency-domain filter to a 4D light field using the FFT
%
% Usage:
%
% [LF, FiltOptions] = LFFilt2DFFT( LF, H, FiltDims, FiltOptions )
% LF = LFFilt2DFFT( LF, H, FiltDims )
%
%
% This filter works on 2D slices of the input light field, applying the 2D filter H to each in turn. It ... |
github | hazirbas/light-field-toolbox-master | LFBuild2DFreqLine.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild2DFreqLine.m | 4,431 | utf_8 | 0dcc452b6b957958b7243b285453790b | % LFBuild2DFreqLine - construct a 2D line passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild2DFreqLine( LFSize, Slope, BW, FiltOptions )
% H = LFBuild2DFreqLine( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 2D, for which the passband is a li... |
github | hazirbas/light-field-toolbox-master | LFColourCorrect.m | .m | light-field-toolbox-master/LFToolbox0.4/LFColourCorrect.m | 1,999 | utf_8 | 07c213f4b7fbcaa5ad2fae5e30c82edf | % LFColourCorrect - applies a colour correction matrix, balance vector, and gamma, called by LFUtilDecodeLytroFolder
%
% Usage:
% LF = LFColourCorrect( LF, ColMatrix, ColBalance, Gamma )
%
% This implementation deals with saturated input pixels by aggressively saturating output pixels.
%
% Inputs :
%
% LF : ... |
github | hazirbas/light-field-toolbox-master | LFBuild4DFreqPlane.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild4DFreqPlane.m | 4,768 | utf_8 | 44b35c86e926ed95961fbf34e0872ffb | % LFBuild4DFreqPlane - construct a 4D planar passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild4DFreqPlane( LFSize, Slope, BW, FiltOptions )
% H = LFBuild4DFreqPlane( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 4D, for which the passband is... |
github | hazirbas/light-field-toolbox-master | LFFindFilesRecursive.m | .m | light-field-toolbox-master/LFToolbox0.4/LFFindFilesRecursive.m | 3,789 | utf_8 | d7e26a587e0dd5460fb2f59371802d2e | % LFFindFilesRecursive - Recursively searches a folder for files matching one or more patterns
%
% Usage:
%
% [AllFiles, BasePath, FolderList, PerFolderFiles] = LFFindFilesRecursive( InputPath )
%
% Inputs:
%
% InputPath: the folder to recursively search
%
% Outputs:
%
% Allfiles : A list of all file... |
github | hazirbas/light-field-toolbox-master | LFDispMousePan.m | .m | light-field-toolbox-master/LFToolbox0.4/LFDispMousePan.m | 3,147 | utf_8 | 19664da990653623f36d25770af65dec | % LFDispMousePan - visualize a 4D light field using the mouse to pan through two dimensions
%
% Usage:
% FigureHandle = LFDispMousePan( LF )
% FigureHandle = LFDispMousePan( LF, ScaleFactor )
%
% A figure is set up for high-performance display, with the tag 'LFDisplay'. Subsequent calls to
% this function an... |
github | hazirbas/light-field-toolbox-master | LFReadGantryArray.m | .m | light-field-toolbox-master/LFToolbox0.4/LFReadGantryArray.m | 4,902 | utf_8 | 80dc406ff9c8008ff8aa0877a0fcdb0f | % LFReadGantryArray - load gantry-style light field, e.g. the Stanford light fields at lightfield.stanford.edu
%
% Usage:
%
% LF = LFReadGantryArray( InputPath, DecodeOptions )
%
% To use, download and unzip an image archive from the Stanford light field archive, and pass this function the path to
% the unzipped ... |
github | hazirbas/light-field-toolbox-master | LFRecenterIntrinsics.m | .m | light-field-toolbox-master/LFToolbox0.4/LFRecenterIntrinsics.m | 599 | utf_8 | 95e4073ad162508fcaf1705124873fc5 | % LFRecenterIntrinsics - Recenter a light field intrinsic matrix
%
% Usage:
% H = LFRecenterIntrinsics( H, LFSize )
%
% The recentering works by forcing the central sample in a light field of LFSize samples to
% correspond to the ray [s,t,u,v] = 0. Note that 1-based indexing is assumed in [i,j,k,l].
% Part of LF T... |
github | hazirbas/light-field-toolbox-master | LFCalDispRectIntrinsics.m | .m | light-field-toolbox-master/LFToolbox0.4/LFCalDispRectIntrinsics.m | 3,804 | utf_8 | 9881daba2d9060eef02a39e1c9ac81dd | % LFCalDispRectIntrinsics - Visualize sampling pattern resulting from a prescribed intrinsic matrix
%
% Usage:
% RectOptions = LFCalDispRectIntrinsics( LF, LFMetadata, RectOptions, PaintColour )
%
% During rectification, the matrix RectOptions.RectCamIntrinsicsH determines which subset of the light field gets
% sa... |
github | hazirbas/light-field-toolbox-master | LFFiltShiftSum.m | .m | light-field-toolbox-master/LFToolbox0.4/LFFiltShiftSum.m | 5,666 | utf_8 | 08be7f6f27c502a03f85f49912ae8183 | % LFFiltShiftSum - a spatial-domain depth-selective filter, with an effect similar to planar focus
%
% Usage:
%
% [ImgOut, FiltOptions, LF] = LFFiltShiftSum( LF, Slope, FiltOptions )
% ImgOut = LFFiltShiftSum( LF, Slope )
%
%
% This filter works by shifting all u,v slices of the light field to a common depth, ... |
github | hazirbas/light-field-toolbox-master | LFUtilUnpackLytroArchive.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilUnpackLytroArchive.m | 5,667 | utf_8 | 0af0d42eaef631b6f44fbfc81dd81b3e | % LFUtilUnpackLytroArchive - extract white images and other files from a multi-volume Lytro archive
%
% Usage:
% LFUtilUnpackLytroArchive
% LFUtilUnpackLytroArchive( InputPath )
% LFUtilUnpackLytroArchive( InputPath, FirstVolumeFname )
% LFUtilUnpackLytroArchive( [], FirstVolumeFname )
%
% This extract... |
github | hazirbas/light-field-toolbox-master | LFReadMetadata.m | .m | light-field-toolbox-master/LFToolbox0.4/LFReadMetadata.m | 14,953 | utf_8 | 98e987806e2f748e70644b1801d2bf95 | % LFReadMetadata - reads the metadata files in the JSON file format, from a file or a char buffer
%
% Usage:
%
% Data = LFReadMetadata( JsonFileFname )
%
% This function parses a JSON file and returns the data contained therein. If a char buffer is passed in, it's
% interpreted directly.
%
% Based on code from JS... |
github | hazirbas/light-field-toolbox-master | LFUtilDecodeLytroFolder.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilDecodeLytroFolder.m | 16,946 | utf_8 | 6867204a9b31f8807a667ab1fe4fa420 | % LFUtilDecodeLytroFolder - decode and optionally colour correct and rectify Lytro light fields
%
% Usage:
%
% LFUtilDecodeLytroFolder
% LFUtilDecodeLytroFolder( InputPath )
% LFUtilDecodeLytroFolder( InputPath, FileOptions, DecodeOptions, RectOptions )
% LFUtilDecodeLytroFolder( InputPath, [], [], Rect... |
github | hazirbas/light-field-toolbox-master | LFFilt4DFFT.m | .m | light-field-toolbox-master/LFToolbox0.4/LFFilt4DFFT.m | 3,622 | utf_8 | bb1d9662c072ab5fb38568d45f44bd28 | % LFFilt4DFFT -Applies a 4D frequency-domain filter using the FFT
%
% Usage:
%
% [LF, FiltOptions] = LFFilt4DFFT( LF, H, FiltOptions )
% LF = LFFilt4DFFT( LF, H )
%
%
% This filter works by taking the FFT of the input light field, multiplying by the provided magnitude response H, then
% calling the inverse FFT... |
github | hazirbas/light-field-toolbox-master | LFUtilCalLensletCam.m | .m | light-field-toolbox-master/LFToolbox0.4/LFUtilCalLensletCam.m | 8,438 | utf_8 | 56382b29c1b601dbae1ec2d6763a51b0 | % LFUtilCalLensletCam - calibrate a lenslet-based light field camera
%
% Usage:
%
% LFUtilCalLensletCam
% LFUtilCalLensletCam( Inputpath )
% LFUtilCalLensletCam( InputPath, CalOptions )
% LFUtilProcessCalibrations( [], CalOptions )
%
% All parameters are optional and take on default values as set in the... |
github | hazirbas/light-field-toolbox-master | LFHistEqualize.m | .m | light-field-toolbox-master/LFToolbox0.4/LFHistEqualize.m | 6,002 | utf_8 | aaaa0313c7b80ba9ccf5524a24026bdb | % LFHistEqualize - histogram-based contrast adjustment
%
% Usage:
%
% LF = LFHistEqualize( LF )
% [LF, LowerBound, UpperBound] = LFHistEqualize( LF, Cutoff_percent )
% LF = LFHistEqualize( LF, [], LowerBound, UpperBound )
% LF = LFHistEqualize(LF, Cutoff_percent, [], [], Precision)
%
% This function p... |
github | hazirbas/light-field-toolbox-master | LFReadRaw.m | .m | light-field-toolbox-master/LFToolbox0.4/LFReadRaw.m | 2,387 | utf_8 | f61af2a213353cf523d8d47f5fd665aa | % LFReadRaw - Reads 8, 10, 12 and 16-bit raw image files
%
% Usage:
%
% Img = LFReadRaw( Fname )
% Img = LFReadRaw( Fname, BitPacking, ImgSize )
% Img = LFReadRaw( Fname, [], ImgSize )
%
% There is no universal `RAW' file format. This function reads a few variants, including the 12-bit and 10-bit files
% ... |
github | hazirbas/light-field-toolbox-master | LFDispVidCirc.m | .m | light-field-toolbox-master/LFToolbox0.4/LFDispVidCirc.m | 3,251 | utf_8 | 7f29b601b697f1bf5daf1621b54fe7b0 | % LFDispVidCirc - visualize a 4D light field animating a circular path through two dimensions
%
% Usage:
%
% FigureHandle = LFDispVidCirc( LF )
% FigureHandle = LFDispVidCirc( LF, PathRadius_percent, FrameDelay )
% FigureHandle = LFDispVidCirc( LF, PathRadius_percent, FrameDelay, ScaleFactor )
% Figu... |
github | hazirbas/light-field-toolbox-master | LFDisp.m | .m | light-field-toolbox-master/LFToolbox0.4/LFDisp.m | 1,447 | utf_8 | e7dcaf88325fd23f136fac4a166709e5 | % LFDisp - Convenience function to display a 2D slice of a light field
%
% Usage:
% LFSlice = LFDispMousePan( LF )
% LFDispMousePan( LF )
%
%
% The centermost image is taken in s and t. Also works with 3D arrays of images. If an output argument is included, no
% display is generated, but the e... |
github | hazirbas/light-field-toolbox-master | LFBuild2DFreqFan.m | .m | light-field-toolbox-master/LFToolbox0.4/LFBuild2DFreqFan.m | 4,507 | utf_8 | d3bc64badf14c750b5f1f2a996936c1f | % LFBuild2DFreqFan - construct a 2D fan passband filter in the frequency domain
%
% Usage:
%
% [H, FiltOptions] = LFBuild2DFreqFan( LFSize, Slope1, Slope2, BW, FiltOptions )
% H = LFBuild2DFreqFan( LFSize, Slope, BW )
%
% This file constructs a real-valued magnitude response in 2D, for which the passband is... |
github | hazirbas/light-field-toolbox-master | LFLytroDecodeImage.m | .m | light-field-toolbox-master/LFToolbox0.4/LFLytroDecodeImage.m | 9,163 | utf_8 | cc50d3baf7583157ad9f352a8774b14f | % LFLytroDecodeImage - decode a Lytro light field from a raw lenslet image, called by LFUtilDecodeLytroFolder
%
% Usage:
% [LF, LFMetadata, WhiteImageMetadata, LensletGridModel, DecodeOptions] = ...
% LFLytroDecodeImage( InputFname, DecodeOptions )
% [LF, LFMetadata, WhiteImageMetadata, LensletGridModel... |
github | hazirbas/light-field-toolbox-master | LFDefaultIntrinsics.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFDefaultIntrinsics.m | 2,030 | utf_8 | 948ce39fff4f94ed954e090033778c04 | % LFDefaultIntrinsics - Initializes a set of intrinsics for use in rectifying light fields
%
% Usage:
%
% RectCamIntrinsicsH = LFDefaultIntrinsics( LFSize, CalInfo )
%
% This gets called by LFCalDispRectIntrinsics to set up a default set of intrinsics for rectification. Based on the
% calibration information and... |
github | hazirbas/light-field-toolbox-master | LFDefaultField.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFDefaultField.m | 1,979 | utf_8 | 485dfac0b4aba775cf4d1d20f537f0f7 | % LFDefaultField - Convenience function to set up structs with default field values
%
% Usage:
%
% ParentStruct = LFDefaultField( ParentStruct, FieldName, DefaultVal )
%
% This provides an elegant way to establish default field values in a struct. See LFDefaultValue for
% setting up non-struct variables with defa... |
github | hazirbas/light-field-toolbox-master | LFSign.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFSign.m | 225 | utf_8 | 901dea01bff401571d8125711feeffad | % LFSign - Like Matlab's sign, but never returns 0, treating 0 as positive
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function s = LFSign(i)
s = ones(size(i));
s(i<0) = -1; |
github | hazirbas/light-field-toolbox-master | LFRotz.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFRotz.m | 306 | utf_8 | 2a4fc216ff9e1b6b35762c010ebe50f2 | % LFRotz - simple 3D rotation matrix, rotation about z
%
% Usage:
% R = LFRotz( psi )
%
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function R = LFRotz(psi)
c = cos(psi);
s = sin(psi);
R = [ c, -s, 0; ...
s, c, 0; ...
0, 0, 1 ];
|
github | hazirbas/light-field-toolbox-master | LFHelperBuild4DFreq.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFHelperBuild4DFreq.m | 4,143 | utf_8 | 5cefe44f63c8fd80b66ad5e267298bff | % LFHelperBuild4DFreq - Helper function used to construct 4D frequency-domain filters
%
% Much of the complexity in constructing MD frequency-domain filters, especially around including aliased components and
% controlling the filter rolloff, is common between filter shapes. This function wraps much of this complexity... |
github | hazirbas/light-field-toolbox-master | LFCalInit.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFCalInit.m | 12,108 | utf_8 | c694e604e6425b97a908bce5ea738134 | % LFCalInit - initialize calibration estimate, called by LFUtilCalLensletCam
%
% Usage:
% CalOptions = LFCalInit( InputPath, CalOptions )
% CalOptions = LFCalInit( InputPath )
%
% This function is called by LFUtilCalLensletCam to initialize a pose and camera model estimate
% given a set of extracted checkerboa... |
github | hazirbas/light-field-toolbox-master | LFDecodeLensletImageSimple.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFDecodeLensletImageSimple.m | 15,455 | utf_8 | 7c4a879c6a41b6e546bba9d398361001 | % LFDecodeLensletImageSimple - decodes a 2D lenslet image into a 4D light field, called by LFUtilDecodeLytroFolder
%
% Usage:
%
% [LF, LFWeight, DecodeOptions, DebayerLensletImage, CorrectedLensletImage] = ...
% LFDecodeLensletImageSimple( LensletImage, WhiteImage, LensletGridModel, DecodeOptions )
%
% This func... |
github | hazirbas/light-field-toolbox-master | LFHelperBuild2DFreq.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFHelperBuild2DFreq.m | 3,367 | utf_8 | 3cd16d8e0a260aa2447e46ea325a04f9 | % LFHelperBuild2DFreq - Helper function used to construct 2D frequency-domain filters
%
% Much of the complexity in constructing MD frequency-domain filters, especially around including aliased components and
% controlling the filter rolloff, is common between filter shapes. This function wraps much of this complexity... |
github | hazirbas/light-field-toolbox-master | LFFindLytroPartnerFile.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFFindLytroPartnerFile.m | 1,439 | utf_8 | a4f3d1519bad3b234bde99c00a97ea3d | % LFFindLytroPartnerFile - Finds metadata / raw data file partner for Lytro white images
%
% Usage:
%
% PartnerFilename = LFFindLytroPartnerFile( OrigFilename, PartnerFilenameExtension )
%
% The LF Reader tool prepends filenames extracted from LFP storage files, complicating .txt / .raw
% file association as the ... |
github | hazirbas/light-field-toolbox-master | LFVar2Struct.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFVar2Struct.m | 646 | utf_8 | 8e9d0eed0d9242fdf45c14ba302e05d2 | % LFVar2Struct - Convenience function to build a struct from a set of variables
%
% Usage:
% StructOut = LFVar2Struct( var1, var2, ... )
%
% Example:
% Apples = 3;
% Oranges = 4;
% FruitCount = LFVar2Struct( Apples, Oranges )
%
% Results in a struct FruitCount:
% FruitCount =
% ... |
github | hazirbas/light-field-toolbox-master | LFBuildLensletGridModel.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFBuildLensletGridModel.m | 9,749 | utf_8 | 77a704b9345494e7a5ab0bc07f763d10 | % LFBuildLensletGridModel - builds a lenslet grid model from a white image, called by LFUtilProcessWhiteImages
%
% Usage:
% [LensletGridModel, GridCoords] = LFBuildLensletGridModel( WhiteImg, GridModelOptions, DebugDisplay )
%
% Inputs:
% WhiteImg : path of an image taken through a diffuser, or of an e... |
github | hazirbas/light-field-toolbox-master | LFDefaultVal.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFDefaultVal.m | 1,291 | utf_8 | c246f7b5e263b013ced34d42170f53b4 | % LFDefaultVal - Convenience function to set up default parameter values
%
% Usage:
%
% Var = LFDefaultVal( Var, DefaultVal )
%
%
% This provides an elegant way to establish default parameter values. See LFDefaultField for setting
% up structs with default field values.
%
% Inputs:
%
% Var: string giving the ... |
github | hazirbas/light-field-toolbox-master | LFDispSetup.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFDispSetup.m | 2,717 | utf_8 | 018642a726ed8feb41058f29f9ffeb14 | % LFDispSetup - helper function used to set up a light field display
%
% Usage:
%
% [ImageHandle, FigureHandle] = LFDispSetup( InitialFrame )
% [ImageHandle, FigureHandle] = LFDispSetup( InitialFrame, ScaleFactor )
%
%
% This sets up a figure for LFDispMousePan and LFDispVidCirc. The figure is configured f... |
github | hazirbas/light-field-toolbox-master | LFGatherCamInfo.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFGatherCamInfo.m | 2,778 | utf_8 | c0acfa7e282c05682ab4f98ab740a59c | % LFGatherCamInfo - collect metadata from a folder of processed white images or calibrations
%
% Usage:
%
% CamInfo = LFGatherCamInfo( FilePath, FilenamePattern )
%
%
% This function is designed to work with one of two sources of information: a folder of Lytro white
% images, as extracted from the calibration dat... |
github | hazirbas/light-field-toolbox-master | LFToolboxVersion.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFToolboxVersion.m | 252 | utf_8 | d37c67edd0424685c2530c25195c3826 | % LFToolboxVersion - returns a string describing the current toolbox version
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function VersionStr = LFToolboxVersion
VersionStr = 'v0.4 released 12-Feb-2015'; |
github | hazirbas/light-field-toolbox-master | LFStruct2Var.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFStruct2Var.m | 871 | utf_8 | bd1821a5700012dfce0f79c4d5dd8ab0 | % LFStruct2Var - Convenience function to break a subset of variables out of a struct
%
% Usage:
% [var1, var2, ...] = LFStruct2Var( StructIn, 'var1', 'var2', ... )
%
% This would ideally exclude the named variables in the argument list, but there was no elegant way
% to do this given the absence of an `outputname'... |
github | hazirbas/light-field-toolbox-master | LFFindCalInfo.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFFindCalInfo.m | 2,572 | utf_8 | c7daafa528ed72904c233ed5ad834fe6 | % LFFindCalInfo - Find and load the calibration info file appropriate for a specific camera, zoom and focus
%
% Usage:
%
% [CalInfo, RectOptions] = LFFindCalInfo( LFMetadata, RectOptions )
%
% This uses a calibration info database to locate a calibration appropriate to a given camera under a given set of zoom
% a... |
github | hazirbas/light-field-toolbox-master | LFConvertToFloat.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFConvertToFloat.m | 481 | utf_8 | 347631d509cdee15114cff38f1046966 | % LFConvertToFloat - Helper function to convert light fields to floating-point representation
%
% Integer inputs get normalized to a max value of 1.
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function LF = LFConvertToFloat( LF, Precision )
Precision = LFDefaultVal('P... |
github | hazirbas/light-field-toolbox-master | LFUnpackRawBuffer.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFUnpackRawBuffer.m | 2,263 | utf_8 | 6edde771ccfa5abb4c1b0242c9ee9af9 | % LFUnpackRawBuffer - Unpack a buffer of packed raw binary data into an image
%
% Usage:
%
% ImgOut = LFUnpackRawBuffer( Buff, BitPacking, ImgSize )
%
% Used by LFReadRaw and LFReadLFP, this helper function unpacks a raw binary data buffer in one of several formats.
%
% Inputs :
%
% Buff : Buffer of chars t... |
github | hazirbas/light-field-toolbox-master | LFCalFindCheckerCorners.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFCalFindCheckerCorners.m | 8,816 | utf_8 | d8f59cd55e2ed367addcfa426036fbe0 | % LFCalFindCheckerCorners - locates corners in checkerboard images, called by LFUtilCalLensletCam
%
% Usage:
% CalOptions = LFCalFindCheckerCorners( InputPath, CalOptions )
% CalOptions = LFCalFindCheckerCorners( InputPath )
%
% This function is called by LFUtilCalLensletCam to identify the corners in a set of... |
github | hazirbas/light-field-toolbox-master | LFSelectFromDatabase.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFSelectFromDatabase.m | 2,288 | utf_8 | f72e49d5261aad46cd204a67ea981f14 | % LFSelectFromDatabase - support function for selecting white image/calibration by matching serial/zoom/focus
%
% Usage:
%
% SelectedCamInfo = LFSelectFromDatabase( DesiredCamInfo, DatabaseFname )
%
% This helper function is used when decoding a light field to select an appropriate white image,
% and when rectif... |
github | hazirbas/light-field-toolbox-master | LFMapRectifiedToMeasured.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFMapRectifiedToMeasured.m | 2,589 | utf_8 | 5e58f495c8db32d93abdde790c719aff | % LFMapRectifiedToMeasured - Applies a calibrated camera model to map desired samples to measured samples
%
% Usage:
%
% InterpIdx = LFMapRectifiedToMeasured( InterpIdx, CalInfo, RectOptions )
%
% Helper function used by LFCalRectifyLF. Based on a calibrated camera model, including distortion parameters and a
%... |
github | hazirbas/light-field-toolbox-master | LFCalRefine.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFCalRefine.m | 16,821 | utf_8 | ad30626be45ef6d56dafc860da607c7c | % LFCalRefine - refine calibration by minimizing point/ray reprojection error, called by LFUtilCalLensletCam
%
% Usage:
% CalOptions = LFCalRefine( InputPath, CalOptions )
%
% This function is called by LFUtilCalLensletCam to refine an initial camera model and pose
% estimates through optimization. This follows t... |
github | hazirbas/light-field-toolbox-master | LFNormalizedFreqAxis.m | .m | light-field-toolbox-master/LFToolbox0.4/SupportFunctions/LFNormalizedFreqAxis.m | 579 | utf_8 | 02656a40ea9705a7d443208d9349a19e | % LFNormalizedFreqAxis - Helper function to construct a frequency axis
%
% Output range is from -0.5 to 0.5. This is designed so that the zero frequency matches the fftshifted output of the
% fft algorithm.
% Part of LF Toolbox v0.4 released 12-Feb-2015
% Copyright (c) 2013-2015 Donald G. Dansereau
function f = LFN... |
github | matheusmlopess-zz/neoplastic-tissue-diffraction-analysis-master | interface2.m | .m | neoplastic-tissue-diffraction-analysis-master/interface2.m | 148,990 | utf_8 | abc9a81ee068e444c643f8e1c840d424 | function varargout = interface2(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename,'gui_Singleton',gui_Singleton, 'gui_OpeningFcn',@interface2_OpeningFcn,'gui_OutputFcn' ,@interface2_OutputFcn ,'gui_LayoutFcn' ,[],'gui_Callback',[]);
if nargin && ischar(varargin{1})
gui_State.gui_Callback = str2... |
github | lob-epfl/sofitool-master | sofiCumulants.m | .m | sofitool-master/GUI/codeSofi/SOFI/sofiCumulants.m | 7,034 | utf_8 | 29b26a76924276e6cd03cafc2c759001 | %[sofi,grid]=sofiCumulants(stack,first,frames,region,orders,gpu)
%---------------------------------------------------------------
%
%Raw cross-cumulant images from image stack.
%
%Inputs:
% stack Image stack
% or TIFF file name
% first First image index {1}
% frames Number of images ... |
github | lob-epfl/sofitool-master | nvcc.m | .m | sofitool-master/GUI/codeSofi/SOFI/private/nvcc.m | 7,590 | utf_8 | d1942566971b573b025b45d49e8d4945 | function nvcc(varargin)
% This function NVCC is a wraper for the NVIDIA Cuda compiler NVCC.exe
% in combination with a Visual Studio compiler. After this Cuda
% files can be compiled into kernels
%
% If you call the code the first time, or with "nvcc -config":
% 1) It will try to locate the "The NVIDIA GPU Computing T... |
github | lob-epfl/sofitool-master | simulation_gen.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/simulation_gen.m | 3,703 | utf_8 | eda1970cea6cf8f15efc9597464629e1 | %% ****************************************************************************************************
%% Simulated image generation
%%
%% Input: img_size : size of CCD image
%% num_frame : number of images
%% boundary_offset : boundary doesn't have any molecule
%% num_mol ... |
github | lob-epfl/sofitool-master | handover.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/handover.m | 2,552 | utf_8 | ae20c2aadbee1edbd1eeb467dd4ae0a1 | %% rearrange particles having high displacement values
function [est_c_new,delta_x_new,delta_y_new,delta_z_new] = handover(est_c,delta_x,delta_y,delta_z)
% find indices of particles which are close to adjacent grid points.
ind_arrange = find((abs(delta_x)>0.99)|(abs(delta_y)>0.99));
est_c_new = est_c;
delta_x_new = del... |
github | lob-epfl/sofitool-master | Gen_kernels.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/Gen_kernels.m | 3,818 | utf_8 | 7ef51303f140e7c50d3c3c439993e97b | %% Point spread function and its derivatives generation.
function [fPSF_decon,fPSF_refine,fPSF_dev_x,fPSF_dev_y,fPSF_dev_z] = ...
Gen_kernels(x_dim,y_dim,up_decon,up_refine,Gsigma1,Gsigma2,Gsigma_ratio,delta_sigma)
%% PSF for deconvolution steps 1&2
Gsigma1_decon = Gsigma1*up_decon;
Gsigma2_decon = Gsigma2*up_dec... |
github | lob-epfl/sofitool-master | simul_eval.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/simul_eval.m | 1,737 | utf_8 | bfa63a35225e00195e9aef18e28c2663 | %% ****************************************************************************************************
%% calculation of localization error in x,y direction.
%% each localized particle is matched to the closest true particle within a radius
%% ***************************************************************************... |
github | lob-epfl/sofitool-master | Gauss_kernel.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/Gauss_kernel.m | 646 | utf_8 | df3fea6cbfa7cebbba874149c2fce428 | %% ****************************************************************************************************
%% Return 2D guassian kernel
%%
%% Input: x_inx,y_inx : meshgrid of x and y
%% x_pos,y_pos : center_position
%% Gsigma : standard deviation of gaussian functi... |
github | lob-epfl/sofitool-master | LS_fitting.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/LS_fitting.m | 5,630 | utf_8 | d625f417f4987484703fb8736f79d5e6 | %%
% Output
% Results = [frame, amplitude, sigma1,sigma2,sigma_ratio,xPos,yPos,background,resnorm/sum(ccd_image(:))]
%
%%
function [Results] = LS_fitting(filename,num_frame,dummy_frame,ADU,baseline,thresh,debug)
Results = [];
num_frame = min(num_frame,length(imfinfo(filename)));
fprintf('running \n');
parfor ii = 1:num... |
github | lob-epfl/sofitool-master | Gen_Gauss_kernels.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/Gen_Gauss_kernels.m | 3,918 | utf_8 | 0a7d4ef7852ae69564737e36f33b7b60 | %% Point spread function and its derivatives generation.
function [fPSF_decon,fPSF_refine,fPSF_dev_x,fPSF_dev_y,fPSF_dev_z] = ...
Gen_Gauss_kernels(x_dim,y_dim,up_decon,up_refine,zero_pad,Gsigma1,Gsigma2,Gsigma_ratio,delta_sigma)
%% PSF for deconvolution steps
Gsigma1_decon = Gsigma1*up_decon;
Gsigma2_decon = Gsig... |
github | lob-epfl/sofitool-master | background_estimation.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/background_estimation.m | 1,032 | utf_8 | 34368ccbaebf0b8e7298017c84ecaf4d | %% background estimation using iterative wavelet transform
function est_bg = background_estimation(imgs,th,dlevel,wavename,iter)
est_bg = zeros(size(imgs),'single');
imgs = max(imgs,0);
for N = 1: size(imgs,3)
X = imgs(:,:,N);
X_filt = X;
for ii = 1:iter
% wavelet transform
[c,s] = wave... |
github | lob-epfl/sofitool-master | super_render.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/super_render.m | 2,426 | utf_8 | 07cf8db3f2aa9c7d4f3bd85809d7282d | %% Generating super-resolution images
%%
%% Input: Nx : length of image in x axis (px)
%% Ny : length of image in x axis (px)
%% est_photon : estimated photons
%% est_pos : estimated positions
%% up_ren : upsampling factor for SR ... |
github | lob-epfl/sofitool-master | Peakdets.m | .m | sofitool-master/GUI/codeStorm/FALCON2D/functions/Peakdets.m | 1,253 | utf_8 | b1f877a43cf8325c0161b316cbf183ea | %% find local peaks and get initial localizations by center of mass
function [est_c_new,delta_x,delta_y] = Peakdets(est_c,thresh)
[Ny,Nx,Nt] = size(est_c);
img = zeros(Ny,Nx,'single');
est_c_new = zeros(size(est_c),'single');
delta_x = zeros(size(est_c),'single');
delta_y = zeros(size(est_c),'single');
c_mask = ones(... |
github | tgen/lumosVar2-master | printNormalMetrics_byChr.m | .m | lumosVar2-master/src/printNormalMetrics_byChr.m | 6,471 | utf_8 | 02a10bcf33373cd0dddf611ec5eca06c |
function printNormalMetrics_byChr_v2(configFile,step)
%printNormalMetrics - gets mean read depths and
%position quality scores for a set of normal bams
%calls parsePileupData.packed.pl to parse samtools output
%writes a bgziped tabix index table for each chromosome
%prerequisite for running TumorOnlyWrapper.m
%
% Syn... |
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