7 examples of 'opencv imshow' in Python

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75def imshow_cv(label, im, block=False, text=None, wait=2):
76 vis = im.copy()
77 print_status(vis, text=text)
78 window_manager.imshow(label, vis)
79 ch = cv2.waitKey(0 if block else wait) & 0xFF
80 if ch == ord(' '):
81 cv2.waitKey(0)
82 if ch == ord('v'):
83 print('Entering debug mode, image callbacks active')
84 while True:
85 ch = cv2.waitKey(10) & 0xFF
86 if ch == ord('q'):
87 print('Exiting debug mode!')
88 break
89 if ch == ord('s'):
90 fn = 'img-%s.png' % time.strftime("%Y-%m-%d-%H-%M-%S")
91 print 'Saving %s' % fn
92 cv2.imwrite(fn, vis)
93 elif ch == 27 or ch == ord('q'):
94 sys.exit(1)
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31def imshow(X):
32 img = X.reshape(32, 16)
33 import cv2
34 img = cv2.resize(img, (100, 200), interpolation=cv2.INTER_AREA)
35 img = img.astype('uint8')
36 cv2.imshow("", img)
37 cv2.waitKey(0)
12def imshow(self, arr, save_img=None):
13 if self.window is None:
14 height, width, channels = arr.shape
15 self.window = pyglet.window.Window(width=width, height=height, display=self.display, caption="THOR Browser")
16 self.width = width
17 self.height = height
18 self.isopen = True
19
20 assert arr.shape == (self.height, self.width, 3), "You passed in an image with the wrong number shape"
21 image = pyglet.image.ImageData(self.width, self.height, 'RGB', arr.tobytes(), pitch=self.width * -3)
22 self.window.clear()
23 self.window.switch_to()
24 self.window.dispatch_events()
25 image.blit(0,0)
26 self.window.flip()
27 if self.save_dir and save_img is not None:
28 pyglet.image.get_buffer_manager().get_color_buffer().save(
29 join(self.save_dir, 'action_{:04d}.png'.format(save_img)))
8def showimg(img,nm="pic"):
9 cv2.imshow(nm,img)
10 return cv2.waitKey()
10def show_img(pic, name='pic', x=0, y=0, wait=0):
11 cv2.imshow(name, pic)
12 cv2.moveWindow(name, x, y)
13 cv2.waitKey(wait)
14 cv2.destroyAllWindows()
121def show(self):
122 """Show image."""
123 cv2.imshow("image", self.images['current'])
124 cv2.waitKey(0)
125 cv2.destroyAllWindows()
652def imshow(img, title="", cmap="gray", cbar=False):
653 """ Show image to screen. """
654
655 plt.imshow(img, cmap=cmap)
656 plt.title(title)
657
658 if cbar:
659 plt.colorbar()
660
661 plt.show()

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