id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
picamera_basic_advanced_recipes/imshowpythonmacosnot_73_0.txt | [ __ Wiki ](https://github.com/opencv/opencv/wiki) | |
picamera_basic_advanced_recipes/18461_115_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_181_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_166_0.txt | --- | |
picamera_basic_advanced_recipes/18461_312_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_17_1.txt | s of warnings, you’ve forgotten the
` -q ` switch; you can ignore the warnings. If anything else is output, it
will most likely be an error message indicating you have made a mistake in the
device tree source. In this case, review your edits carefully (note that
sections and properties _must_ be semi-colon terminated ... | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_29_0.txt | Platform:
Timestamp: 2019-01-05T01:41:15Z
Host: Darwin 18.2.0 x86_64
CMake: 3.13.2
CMake generator: Unix Makefiles
CMake build tool: /usr/local/Homebrew/Library/Homebrew/shims/mac/super/gmake
Configuration: Release | |
picamera_basic_advanced_recipes/243406_6_0.txt | [ yingliu ](https://forums.developer.nvidia.com/u/yingliu) February 20, 2023,
3:30am 4 | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_5_0.txt | [ __ ](/questions/) | | |
picamera_basic_advanced_recipes/18461_62_0.txt | Copy link | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_8_0.txt | imshow() Python/macOS not showing the image | |
picamera_basic_advanced_recipes/18461_66_0.txt | * OpenCV => 3.4
* Operating System / Platform => aarch64 (debian based OS)
* Compiler => g++ 8.3.0 | |
picamera_basic_advanced_recipes/18461_51_0.txt | Jump to bottom | |
picamera_basic_advanced_recipes/18461_158_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_116_0.txt | [ 
](/alalek) | |
picamera_basic_advanced_recipes/18461_139_0.txt | * 👍 34 reactions
* 👎 5 reactions | |
picamera_basic_advanced_recipes/18461_168_0.txt | All reactions | |
picamera_basic_advanced_recipes/18461_120_0.txt | **[ alalek ](/alalek) ** commented Nov 1, 2020 | |
picamera_basic_advanced_recipes/18461_296_0.txt | ### | |
picamera_basic_advanced_recipes/18461_359_0.txt | ### | |
picamera_basic_advanced_recipes/18461_156_0.txt | All reactions | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_48_0.txt | got the cv2.getBuildInformation()) ... but it's a lot ... is there a better
way than pasting the whole lot in a comment here? (sorry - forum newb) | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_66_0.txt | Update: So it turned out that it was indeed an installation problem. I managed
to uninstall Python 3.6, and then with ` brew link python ` link to the 3.7
installation that somehow co-existed with 3.6 before. Thanks very much again
to [ @LBerger ](/users/8129/lberger/) for spotting the root cause of my issue! | |
picamera_basic_advanced_recipes/18461_141_0.txt | [
](/zjdx1998) | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_13_1.txt | oat)) +
np.square(m[frame]['y'].astype(np.float))
).clip(0, 255).astype(np.uint8)
img = Image.fromarray(data)
filename = 'frame%03d.png' % frame
print('Writing %s' % filename)
img.save(filename)
You may wish to investigate the [ ` PiMotionArray `
](api_arra... | |
picamera_basic_advanced_recipes/18461_302_0.txt | [ 
](/cabreraam) [ cabreraam ](/cabreraam) mentioned this issue Dec 7, 2022 | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_12_0.txt | ## 4.12. Recording at multiple resolutions ¶
The camera is capable of recording multiple streams at different resolutions
simultaneously by use of the video splitter. This is probably most useful for
performing analysis on a low-resolution stream, while simultaneously recording
a high resolution stream for storage o... | |
picamera_basic_advanced_recipes/243406_34_0.txt | problem was solved, thanks | |
picamera_basic_advanced_recipes/18461_98_0.txt | All reactions | |
picamera_basic_advanced_recipes/18461_28_0.txt | We read every piece of feedback, and take your input very seriously. | |
picamera_basic_advanced_recipes/18461_208_0.txt | [ http://wiki.ros.org/docker/Tutorials/GUI
](http://wiki.ros.org/docker/Tutorials/GUI) | |
picamera_basic_advanced_recipes/18461_74_0.txt | $ sudo apt search libgtk2.0-dev
Sorting... Done
Full Text Search... Done
libgtk2.0-dev/eagle,now 2.24.32-3 arm64 [installed]
development files for the GTK+ library | |
picamera_basic_advanced_recipes/18461_16_0.txt | * Open Source | |
picamera_basic_advanced_recipes/18461_75_0.txt |
##### Steps to reproduce | |
picamera_basic_advanced_recipes/18461_374_0.txt | No milestone | |
picamera_basic_advanced_recipes/sshx11forwardingprob_6_0.txt | If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here. | |
picamera_basic_advanced_recipes/243406_1_0.txt | # [ Can not use imshow() of opencv in vpi program ](/t/can-not-use-imshow-of-
opencv-in-vpi-program/243406) | |
picamera_basic_advanced_recipes/18461_174_0.txt | **[ hcgfighting ](/hcgfighting) ** commented Apr 8, 2021 | |
picamera_basic_advanced_recipes/18461_221_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_114_0.txt | All reactions | |
picamera_basic_advanced_recipes/243406_8_0.txt | [ Houber ](https://forums.developer.nvidia.com/u/Houber) February 20, 2023,
3:56am 6 | |
picamera_basic_advanced_recipes/18461_99_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_5_0.txt | * Product | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_13_0.txt | ## 4.13. Recording motion vector data ¶
The Pi’s camera is capable of outputting the motion vector estimates that the
camera’s H.264 encoder calculates while generating compressed video. These can
be directed to a separate output file (or file-like object) with the
_motion_output_ parameter of the [ ` start_recordin... | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_49_0.txt | ^^ I _think_ that issue is different as they only see the window title bar,
and it seemed to have been related to problems getting window dimensions. I do
get a window with the correct dimensions, just empty | |
picamera_basic_advanced_recipes/18461_153_0.txt | To help others, I found that my .bashrc needed to contain the following:
` export DISPLAY=:0.0 `
previously, it said
` export DISPLAY=localhost:0.0 ` | |
picamera_basic_advanced_recipes/18461_55_0.txt | Closed | |
picamera_basic_advanced_recipes/18461_260_0.txt | edited | |
picamera_basic_advanced_recipes/18461_250_0.txt | For me the ` export DISPLAY=localhost:0.0 ` also wasn't there in the .bashrc
file before. Still adding ` export DISPLAY=:0.0 ` to the end of the .bashrc
file of the user calling the software, in my case ` pi ` , worked fine. | |
picamera_basic_advanced_recipes/18461_209_0.txt | --- | |
picamera_basic_advanced_recipes/18461_145_0.txt | Anything update? I encounter this error when I try the cpp-examples in the WSL
ubuntu. Hope you could fix it soon. | |
picamera_basic_advanced_recipes/sshx11forwardingprob_10_0.txt |
Reply
Search this Thread
Old 12-12-2019, 11:28 PM #1
sarslan
LQ Newbie | |
picamera_basic_advanced_recipes/18461_321_0.txt | All reactions | |
picamera_basic_advanced_recipes/18461_103_0.txt | **[ BoShaoLi ](/BoShaoLi) ** commented Oct 29, 2020 | |
picamera_basic_advanced_recipes/sshx11forwardingprob_17_0.txt | I checked that X11Forwarding is YES in /etc/ssh/sshdconfig in embedded board. Also when I execute echo $DISPLAY in terminal after connecting embedded device, localhost:11.0 is returned. I also tried to connect to embbedded board from host machine with ssh -Y. But it is not working too. | |
picamera_basic_advanced_recipes/18461_49_0.txt | By clicking “Sign up for GitHub”, you agree to our [ terms of service
](https://docs.github.com/terms) and [ privacy statement
](https://docs.github.com/privacy) . We’ll occasionally send you account
related emails. | |
picamera_basic_advanced_recipes/18461_201_0.txt | All reactions | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_16_1.txt | ists of 2480 rows of 4128 bytes of data.
# There's actually 2464 rows of data, but the sensor's raw size is 2466
# rows, rounded up to the nearest multiple of 16: 2480.
#
# Likewise, the last few bytes of each row are unused (why?). Here we
# reshape the data and strip off the unused bytes.
... | |
picamera_basic_advanced_recipes/18461_23_0.txt | # Search code, repositories, users, issues, pull requests... | |
picamera_basic_advanced_recipes/18461_334_0.txt | **[ sunbeam-217 ](/sunbeam-217) ** commented May 16, 2023 | |
picamera_basic_advanced_recipes/18461_2_0.txt | Toggle navigation | |
picamera_basic_advanced_recipes/18461_358_0.txt | Copy link | |
picamera_basic_advanced_recipes/18461_339_0.txt | * 👍 1 reaction | |
picamera_basic_advanced_recipes/picamera_advanced_recipes_5_0.txt | ## 4.5. Custom outputs ¶
All methods in the picamera library which accept a filename also accept file-
like objects. Typically, this is only used with actual file objects, or with
memory streams (like [ ` io.BytesIO `
](https://docs.python.org/3.4/library/io.html#io.BytesIO "\(in Python v3.4\)")
). However, buildin... | |
picamera_basic_advanced_recipes/18461_259_0.txt | **[ AyaNasser96 ](/AyaNasser96) ** commented Jan 31, 2022 • | |
picamera_basic_advanced_recipes/18461_316_0.txt | **[ kartikpodugu ](/kartikpodugu) ** commented Apr 11, 2023 • | |
picamera_basic_advanced_recipes/18461_242_0.txt | --- | |
picamera_basic_advanced_recipes/18461_218_0.txt | hey guys. I am getting this error on navio2. does anyone know the solution? | |
picamera_basic_advanced_recipes/18461_382_0.txt | * [ Terms ](https://docs.github.com/site-policy/github-terms/github-terms-of-service)
* [ Privacy ](https://docs.github.com/site-policy/privacy-policies/github-privacy-statement)
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* [ Contact ](ht... | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_97_0.txt | Please note: OpenCV answers requires javascript to work properly, please
enable javascript in your browser, [ here is how
](https://www.google.com/support/bin/answer.py?answer=23852) | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_47_0.txt | [ 
](/users/8129/lberger/) [ LBerger ](/users/8129/lberger/) ( 2019-01-24
07:00:55 -0600 ) edit | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_78_0.txt | [ subscribe to rss feed ](/feeds/question/207755/ "subscribe to the rss feed") | |
picamera_basic_advanced_recipes/18461_187_0.txt | I tried this on Ubuntu 20.04 but still no luck | |
picamera_basic_advanced_recipes/18461_4_0.txt | [ Sign in
](/login?return_to=https%3A%2F%2Fgithub.com%2Fopencv%2Fopencv%2Fissues%2F18461) | |
picamera_basic_advanced_recipes/18461_164_0.txt | > I managed to solve it by making sure when I ssh into aarch64 that I use ssh
> -Y user@host. This gives authorization to allow cv2.imshow() to display the
> window.
> [ gtk_init_check error solved
> ](https://unix.stackexchange.com/questions/94497/org-eclipse-swt-swterror-
> no-more-handles-gtk-init-check-failed-whil... | |
picamera_basic_advanced_recipes/18461_240_0.txt | > ashrc | |
picamera_basic_advanced_recipes/18461_277_0.txt | [
](/scipioni) | |
picamera_basic_advanced_recipes/18461_35_0.txt | To see all available qualifiers, see our [ documentation
](https://docs.github.com/search-github/github-code-search/understanding-
github-code-search-syntax) . | |
picamera_basic_advanced_recipes/18461_340_0.txt | Sorry, something went wrong. | |
picamera_basic_advanced_recipes/18461_326_0.txt | **[ phelix001 ](/phelix001) ** commented Apr 11, 2023 | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_76_0.txt | Follow | |
picamera_basic_advanced_recipes/picamera_basic_recipes_13_0.txt | ## 3.13. Recording to a network stream ¶
This is similar to Recording video to a stream but instead of an in-memory
stream like [ ` BytesIO `
](https://docs.python.org/3.4/library/io.html#io.BytesIO "\(in Python v3.4\)")
, we will use a file-like object created from a [ ` socket() `
](https://docs.python.org/3.4... | |
picamera_basic_advanced_recipes/18461_149_0.txt | [
](/n-gineer) | |
picamera_basic_advanced_recipes/18461_366_0.txt | [ Sign up for free ](/join?source=comment-repo) **to join this conversation on
GitHub** . Already have an account? [ Sign in to comment
](/login?return_to=https%3A%2F%2Fgithub.com%2Fopencv%2Fopencv%2Fissues%2F18461) | |
picamera_basic_advanced_recipes/18461_57_0.txt | [ Namburger ](/Namburger) opened this issue Sep 29, 2020 · 29 comments | |
picamera_basic_advanced_recipes/18461_1_0.txt | ## Navigation Menu | |
picamera_basic_advanced_recipes/18461_97_0.txt | --- | |
picamera_basic_advanced_recipes/18461_287_0.txt | ### | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_19_0.txt | import numpy as np
import cv2 | |
picamera_basic_advanced_recipes/18461_25_0.txt | Clear | |
picamera_basic_advanced_recipes/18461_290_0.txt | Solution :
ssh -Y user@wherever
I'm not sure how I will overcome this issue when running opencv as a service.
Perhaps just get rid of imshow. | |
picamera_basic_advanced_recipes/18461_266_0.txt | All reactions | |
picamera_basic_advanced_recipes/18461_80_0.txt | 👍 3 mfoglio, s311354, and supermomo668 reacted with thumbs up emoji | |
picamera_basic_advanced_recipes/18461_279_0.txt | ### | |
picamera_basic_advanced_recipes/18461_27_0.txt | # Provide feedback | |
picamera_basic_advanced_recipes/imshowpythonmacosnot_0_0.txt | First time here? Check out the FAQ! | |
picamera_basic_advanced_recipes/18461_220_0.txt | All reactions | |
picamera_basic_advanced_recipes/sshx11forwardingprob_28_0.txt | Rep: Reputation: Disabled
I cannot answer why you cannot tunnel your openCV images through ssh. I think it is because they are not based on X11 but QT... | |
picamera_basic_advanced_recipes/18461_219_0.txt | --- | |
picamera_basic_advanced_recipes/18461_159_0.txt | [
](/Wwupup) |
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