The simplest opencv widget integration¶

    import cv2
    from pandas import Series, DataFrame
    from ipywidgets import HTML

    table = HTML()

    def show_webcam(mirror=False):
        global df
        cam = cv2.VideoCapture(0)
        while True:
            ret_val, img = cam.read()
            if mirror: 
                img = cv2.flip(img, 1)
            df = DataFrame(img[None, None, 3][0, 0, :, :], columns=list('rgb'))
            table.value = df.describe().astype(str).to_html()
            cv2.imshow('my webcam', img)
            if cv2.waitKey(1) == 27: 
                break  # esc to quit
        cv2.destroyAllWindows()


    def main():
        try:
            __import__("IPython").display.display(table)
            show_webcam(mirror=True)
        except KeyboardInterrupt: ...