sample_patches_combined.py 文件源码

def create_blob_detector(roi_size=(128, 128), blob_min_area=3, 
                         blob_min_int=.5, blob_max_int=.95, blob_th_step=10):
    params = cv2.SimpleBlobDetector_Params()
    params.filterByArea = True
    params.minArea = blob_min_area
    params.maxArea = roi_size[0]*roi_size[1]
    params.filterByCircularity = False
    params.filterByColor = False
    params.filterByConvexity = False
    params.filterByInertia = False
    # blob detection only works with "uint8" images.
    params.minThreshold = int(blob_min_int*255)
    params.maxThreshold = int(blob_max_int*255)
    params.thresholdStep = blob_th_step
    ver = (cv2.__version__).split('.')
    if int(ver[0]) < 3:
        return cv2.SimpleBlobDetector(params)
    else:
        return cv2.SimpleBlobDetector_create(params)