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AttributeError: 'module' object has no attribute 'selectROI'

Merwanski answered on December 12, 2022 Popularity 1/10 Helpfulness 8/10

answer AttributeError: 'module' object has no attribute 'selectROI'

AttributeError: 'module' object has no attribute 'selectROI'

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# use this as a replacement 
class SelectROI(object):
    def __init__(self, name, im):
        self.image = im
        self.winname = name

        cv2.namedWindow(name)
        self.coords = []
        self.dragging = False
        self._update()

    def _mouse_cb(self, event, x, y, flags, parameters):
        # Record starting (x,y) coordinates on left mouse button click
        if event == cv2.EVENT_LBUTTONDOWN:
            self.coords[:] = [(x, y)]
            self.dragging = True

        elif event == 0 and self.dragging:
            self.coords[1:] = [(x, y)]

        # Record ending (x,y) coordintes on left mouse bottom release
        elif event == cv2.EVENT_LBUTTONUP:
            self.coords[1:] = [(x, y)]
            self.dragging = False
            xs, ys = list(zip(*self.coords))
            self.coords = [(min(xs), min(ys)),
                           (max(xs), max(ys))]
            print('roi:', self.coords)

        # Clear drawing boxes on right mouse button click
        elif event == cv2.EVENT_RBUTTONDOWN:
            self.coords = []
            self.dragging = False

        self._update()

    def _update(self):
        im = self.image.copy()
        if len(self.coords) == 2:
            cv2.rectangle(im, self.coords[0], self.coords[1], (0, 255, 0), 2)
        cv2.imshow(self.winname, im)

    def __call__(self):
        cv2.setMouseCallback(self.winname, self._mouse_cb)
        cv2.waitKey()
        cv2.destroyWindow(self.winname)
        return self.coords if self.coords else None

def select_roi(name, im):
    s=SelectROI(name, im)
    return s()

Popularity 1/10 Helpfulness 8/10 Language python

Source: Grepper

Tags: object python

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Contributed on Dec 12 2022

Merwanski

0 Answers Avg Quality 2/10

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AttributeError: 'module' object has no attribute 'selectROI'

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