Remove BG

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from cv2 import imread, imwrite, IMREAD_UNCHANGED

def apply_white_background_removal(img):
    alpha_channel = img[:, :, 3]
    white_background_mask = (alpha_channel == 255)
    img[white_background_mask] = [0, 0, 0, 0]
    return img

def remove_background(img_path, output_path, background_removal_func):
    img = imread(img_path, IMREAD_UNCHANGED)
    img = background_removal_func(img)
    imwrite(output_path, img)

if __name__ == "__main__":
    input_image_path = "caminho/para/sua/imagem.png"
    output_image_path = "caminho/para/salvar/nova/imagem_sem_fundo.png"

    remove_background(input_image_path, output_image_path, apply_white_background_removal)