imaginAIry/imaginairy/enhancers/blur_detect.py

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"""Functions for assessing image blurriness"""
import cv2
from imaginairy.utils.img_utils import pillow_img_to_opencv_img
def calculate_blurriness_level(img):
img = pillow_img_to_opencv_img(img)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
sharpness = cv2.Laplacian(gray, cv2.CV_64F).var()
sharpness = max(sharpness, 0.000001)
bluriness = 1 / sharpness
return bluriness
def is_blurry(img, threshold=0.91):
return calculate_blurriness_level(img) > threshold