RepUX-Net / data /lib /vis /seg_visualizer.py
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#!/usr/bin/env python
#-*- coding:utf-8 -*-
# Author: Donny You(youansheng@gmail.com)
# Visualizer for segmentation.
import os
import cv2
import numpy as np
from lib.datasets.tools.transforms import DeNormalize
from lib.utils.tools.logger import Logger as Log
SEG_DIR = 'vis/results/seg'
class SegVisualizer(object):
def __init__(self, configer=None):
self.configer = configer
def vis_fn(self, preds, targets, ori_img_in=None, name='default', sub_dir='fn'):
base_dir = os.path.join(self.configer.get('project_dir'), SEG_DIR, sub_dir)
if not os.path.exists(base_dir):
Log.error('Dir:{} not exists!'.format(base_dir))
os.makedirs(base_dir)
if not isinstance(preds, np.ndarray):
if len(preds.size()) > 3:
Log.error('Preds size is not valid.')
exit(1)
if len(preds.size()) == 3:
preds = preds.clone().data.cpu().numpy()
if len(preds.size()) == 2:
preds = preds.unsqueeze(0).data.cpu().numpy()
else:
if len(preds.shape) > 3:
Log.error('Preds size is not valid.')
exit(1)
if len(preds.shape) == 2:
preds = preds.unsqueeze(0)
if not isinstance(targets, np.ndarray):
if len(targets.size()) == 3:
targets = targets.clone().data.cpu().numpy()
if len(targets.size()) == 2:
targets = targets.unsqueeze(0).data.cpu().numpy()
else:
if len(targets.shape) == 2:
targets = targets.unsqueeze(0)
if ori_img_in is not None:
if not isinstance(ori_img_in, np.ndarray):
if len(ori_img_in.size()) < 3:
Log.error('Image size is not valid.')
exit(1)
if len(ori_img_in.size()) == 4:
ori_img_in = ori_img_in.data.cpu()
if len(ori_img_in.size()) == 3:
ori_img_in = ori_img_in.unsqueeze(0).data.cpu()
ori_img = ori_img_in.clone()
for i in range(ori_img_in.size(0)):
ori_img[i] = DeNormalize(div_value=self.configer.get('normalize', 'div_value'),
mean=self.configer.get('normalize', 'mean'),
std=self.configer.get('normalize', 'std'))(ori_img_in.clone())
ori_img = ori_img.numpy().transpose(2, 3, 1).astype(np.uint8)
else:
if len(ori_img_in.shape) == 3:
ori_img_in = ori_img_in.unsqueeze(0)
ori_img = ori_img_in.copy()
for img_id in range(preds.shape[0]):
label = targets[img_id]
pred = preds[img_id]
result = np.zeros(shape=(pred.shape[0], pred.shape[1], 3), dtype=np.uint8)
for i in range(self.configer.get('data', 'num_classes')):
mask0 = np.zeros_like(label, dtype=np.uint8)
mask1 = np.zeros_like(label, dtype=np.uint8)
mask0[label[:] == i] += 1
mask0[pred[:] == i] += 1
mask1[pred[:] == i] += 1
result[mask0[:] == 1] = self.configer.get('details', 'color_list')[i]
result[mask1[:] == 1] = (0, 0, 0)
image_result = cv2.cvtColor(result, cv2.COLOR_BGR2RGB)
if ori_img_in is not None:
image_result = cv2.addWeighted(ori_img[i], 0.6, image_result, 0.4, 0)
cv2.imwrite(os.path.join(base_dir, '{}_{}.jpg'.format(name, img_id)), image_result)
def vis_fp(self, preds, targets, ori_img_in=None, name='default', sub_dir='fp'):
base_dir = os.path.join(self.configer.get('project_dir'), SEG_DIR, sub_dir)
if not os.path.exists(base_dir):
Log.error('Dir:{} not exists!'.format(base_dir))
os.makedirs(base_dir)
if not isinstance(preds, np.ndarray):
if len(preds.size()) > 3:
Log.error('Preds size is not valid.')
exit(1)
if len(preds.size()) == 3:
preds = preds.clone().data.cpu().numpy()
if len(preds.size()) == 2:
preds = preds.unsqueeze(0).data.cpu().numpy()
else:
if len(preds.shape) > 3:
Log.error('Preds size is not valid.')
exit(1)
if len(preds.shape) == 2:
preds = preds.unsqueeze(0)
if not isinstance(targets, np.ndarray):
if len(targets.size()) == 3:
targets = targets.clone().data.cpu().numpy()
if len(targets.size()) == 2:
targets = targets.unsqueeze(0).data.cpu().numpy()
else:
if len(targets.shape) == 2:
targets = targets.unsqueeze(0)
if ori_img_in is not None:
if not isinstance(ori_img_in, np.ndarray):
if len(ori_img_in.size()) < 3:
Log.error('Image size is not valid.')
exit(1)
if len(ori_img_in.size()) == 4:
ori_img_in = ori_img_in.data.cpu()
if len(ori_img_in.size()) == 3:
ori_img_in = ori_img_in.unsqueeze(0).data.cpu()
ori_img = ori_img_in.clone()
for i in range(ori_img_in.size(0)):
ori_img[i] = DeNormalize(div_value=self.configer.get('normalize', 'div_value'),
mean=self.configer.get('normalize', 'mean'),
std=self.configer.get('normalize', 'std'))(ori_img_in.clone())
ori_img = ori_img.numpy().transpose(2, 3, 1).astype(np.uint8)
else:
if len(ori_img_in.shape) == 3:
ori_img_in = ori_img_in.unsqueeze(0)
ori_img = ori_img_in.copy()
for img_id in range(preds.shape[0]):
label = targets[img_id]
pred = preds[img_id]
result = np.zeros(shape=(pred.shape[0], pred.shape[1], 3), dtype=np.uint8)
for i in range(self.configer.get('data', 'num_classes')):
mask0 = np.zeros_like(label, dtype=np.uint8)
mask1 = np.zeros_like(label, dtype=np.uint8)
mask0[label[:] == i] += 1
mask0[pred[:] == i] += 1
mask1[label[:] == i] += 1
result[mask0[:] == 1] = self.configer.get('details', 'color_list')[i]
result[mask1[:] == 1] = (0, 0, 0)
image_result = cv2.cvtColor(result, cv2.COLOR_BGR2RGB)
if ori_img_in is not None:
image_result = cv2.addWeighted(ori_img[i], 0.6, image_result, 0.4, 0)
cv2.imwrite(os.path.join(base_dir, '{}_{}.jpg'.format(name, img_id)), image_result)
def error_map(self, im, pred, gt):
canvas = im.copy()
canvas[np.where((gt - pred != [0, 0, 0]).all(axis=2))] = [0, 0, 0]
pred[np.where((gt - pred == [0, 0, 0]).all(axis=2))] = [0, 0, 0]
canvas = cv2.addWeighted(canvas, 1.0, pred, 1.0, 0)
# canvas = cv2.addWeighted(im, 0.3, canvas, 0.7, 0)
canvas[np.where((gt == [0, 0, 0]).all(axis=2))] = [0, 0, 0]
return canvas