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Bug: PNG图片识别结果可视化保存后色彩有误 #571

@gaylong9

Description

@gaylong9

问题描述 / Problem Description

PNG图片,经ocr识别后使用vis('result.png')后结果图片色彩有误。
如原图:
Image
结果可视化保存后:
Image

运行环境 / Runtime Environment

Win10 22H2

复现代码 / Reproduction Code

from rapidocr import RapidOCR

engine = RapidOCR()
img_url = "img.jpg"
result = engine(img_url)
print(result)
result.vis("vis_result.jpg")

可能解决方案 / Possible solutions

图片转np后剔除alpha通道,并按bgr传入engine,最终result.vis能够正常显示。

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