7 examples of 'opencv imshow' in Python

75
def imshow_cv(label, im, block=False, text=None, wait=2): 
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    vis = im.copy()
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    print_status(vis, text=text)
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    window_manager.imshow(label, vis)
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    ch = cv2.waitKey(0 if block else wait) & 0xFF
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    if ch == ord(' '):
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        cv2.waitKey(0)
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    if ch == ord('v'):
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        print('Entering debug mode, image callbacks active')
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        while True: 
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            ch = cv2.waitKey(10) & 0xFF
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            if ch == ord('q'): 
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                print('Exiting debug mode!')
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                break
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    if ch == ord('s'):
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        fn = 'img-%s.png' % time.strftime("%Y-%m-%d-%H-%M-%S")
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        print 'Saving %s' % fn
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        cv2.imwrite(fn, vis)
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    elif ch == 27 or ch == ord('q'):
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        sys.exit(1)

31
def imshow(X):
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    img = X.reshape(32, 16)
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    import cv2
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    img = cv2.resize(img, (100, 200), interpolation=cv2.INTER_AREA)
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    img = img.astype('uint8')
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    cv2.imshow("", img)
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    cv2.waitKey(0)

12
def imshow(self, arr, save_img=None):
13
  if self.window is None:
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    height, width, channels = arr.shape
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    self.window = pyglet.window.Window(width=width, height=height, display=self.display, caption="THOR Browser")
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    self.width = width
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    self.height = height
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    self.isopen = True
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  assert arr.shape == (self.height, self.width, 3), "You passed in an image with the wrong number shape"
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  image = pyglet.image.ImageData(self.width, self.height, 'RGB', arr.tobytes(), pitch=self.width * -3)
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  self.window.clear()
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  self.window.switch_to()
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  self.window.dispatch_events()
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  image.blit(0,0)
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  self.window.flip()
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  if self.save_dir and save_img is not None:
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    pyglet.image.get_buffer_manager().get_color_buffer().save(
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        join(self.save_dir, 'action_{:04d}.png'.format(save_img)))

8
def showimg(img,nm="pic"):
9
    cv2.imshow(nm,img)
10
    return cv2.waitKey()

10
def show_img(pic, name='pic', x=0, y=0, wait=0):
11
    cv2.imshow(name, pic)
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    cv2.moveWindow(name, x, y)
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    cv2.waitKey(wait)
14
    cv2.destroyAllWindows()

121
def show(self):
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    """Show image."""
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    cv2.imshow("image", self.images['current'])
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    cv2.waitKey(0)
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    cv2.destroyAllWindows()

652
def imshow(img, title="", cmap="gray", cbar=False):
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    """ Show image to screen. """
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    plt.imshow(img, cmap=cmap)
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    plt.title(title)
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    if cbar:
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        plt.colorbar()
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    plt.show()