helpers.py 文件源码

python
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项目:easytrader 作者: yuzhucu 项目源码 文件源码
def detect_gf_result(image_path):
    from PIL import ImageFilter, Image
    img = Image.open(image_path)
    if hasattr(img, "width"):
        width, height = img.width, img.height
    else:
        width, height = img.size
    for x in range(width):
        for y in range(height):
            if img.getpixel((x, y)) < (100, 100, 100):
                img.putpixel((x, y), (256, 256, 256))
    gray = img.convert('L')
    two = gray.point(lambda p: 0 if 68 < p < 90 else 256)
    min_res = two.filter(ImageFilter.MinFilter)
    med_res = min_res.filter(ImageFilter.MedianFilter)
    for _ in range(2):
        med_res = med_res.filter(ImageFilter.MedianFilter)
    return invoke_tesseract_to_recognize(med_res)
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