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Comments (8)

ggoyea avatar ggoyea commented on May 21, 2024 1

你的图片是jpeg的,截取的图片bitmap是宽高控制的,再转成jpeg就小了

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7va avatar 7va commented on May 21, 2024

Same problem

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yundequanshi avatar yundequanshi commented on May 21, 2024

任何图片经过opencv都会质量变大,api会变低

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pqpo avatar pqpo commented on May 21, 2024

@yundequanshi 这个 issue 我一直没时间去调研,能大致解释一下原因吗?

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yundequanshi avatar yundequanshi commented on May 21, 2024

@yundequanshi 这个 issue 我一直没时间去调研,能大致解释一下原因吗?

具体原因没有详细查,测试几次用opencv 读入mat 再转成bitmap 就会质量变大,api变低

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yc139464127 avatar yc139464127 commented on May 21, 2024

你的图片是jpeg的,截取的图片bitmap是宽高控制的,再转成jpeg就小了
@ggoyea
请问你解决了在没有对截取区域进行压缩的情况下,截取部分图片变大的问题吗

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yc139464127 avatar yc139464127 commented on May 21, 2024

本身800kb的图片裁剪以后可以增大到2M
@zhangbi18 请问这个问题你最后解决了吗,望回复

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yundequanshi avatar yundequanshi commented on May 21, 2024

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