opencv_python 读取4通道png图片
import cv2if __name__ == '__main__':image=cv2.imread("C:\\Users\\Administrator\\pythonProject\\JudicialExpertis\\16026615913874.png",cv2.IMREAD_UNCHANGED)print(image.shape)cv2.IMREAD_UNCHANGED # 读取结果为图片本身维度，如透明图为4维数组，彩色图为3维，黑白图为2维