TIFF压缩警告
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在使用IronOCR转换或处理TIFF文件时,用户可能会遇到以下警告。
in-memory: Warning, incorrect count for field "JpegQTables" (0, expecting 1); tag ignored
in-memory: Warning, incorrect count for field "JpegDcTables" (0, expecting 1); tag ignored
in-memory: Warning, incorrect count for field "JpegAcTables" (0, expecting 1); tag ignored
in-memory: Warning, incorrect count for field "JpegQTables" (0, expecting 1); tag ignored
in-memory: Warning, incorrect count for field "JpegDcTables" (0, expecting 1); tag ignored
in-memory: Warning, incorrect count for field "JpegAcTables" (0, expecting 1); tag ignored
OJPEGSetupDecode: Warning, Depreciated and troublesome old-style JPEG compression mode, please convert to new-style JPEG compression and notify vendor of writing software
解释
这些警告是通过ImageMagick(通过libtiff)在处理使用较旧压缩方法的TIFF图像时生成的。 它建议改用一种新的 JPEG 压缩方式。 有关此警告的更多信息,请参阅此处。
这些警告不会干扰使用 OCR 从图像中提取文本。 该过程将照常进行,这些警告仅供参考。 在 IronOcr(v2025.5.x) 的未来版本中,我们将禁用这些警告以避免界面杂乱。
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