forked from docs/doc-exports
Su, Xiaomeng
13aa021d1d
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
17 lines
3.8 KiB
HTML
17 lines
3.8 KiB
HTML
<a name="ocr_03_0063"></a><a name="ocr_03_0063"></a>
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<h1 class="topictitle1">Notes and Constraints</h1>
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<div id="body0000001744422777"><div class="section" id="ocr_03_0063__section22225132010"><h4 class="sectiontitle">General Table OCR</h4><ul id="ocr_03_0063__ul82234142011"><li id="ocr_03_0063__li192233119200">Only images in PNG, JPG, JPEG, BMP, or TIFF format can be recognized.</li><li id="ocr_03_0063__li1022310119207">No side of the image can be smaller than 15 or larger than 8,192 pixels.</li><li id="ocr_03_0063__li722317112201">The area to be recognized must occupy more than 80% of the image. When scanning a table, ensure that the entire table and its surrounding area are included in the image.</li><li id="ocr_03_0063__li12234182017">An image can be rotated to any angle.</li><li id="ocr_03_0063__li22236162017">Text in images with complex backgrounds (such as outdoor scenery or anti-counterfeit watermarks) or distorted table lines cannot be recognized.</li><li id="ocr_03_0063__li14223513206">English and Chinese are supported but support for traditional Chinese characters is limited.</li></ul>
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<div class="section" id="ocr_03_0063__section64471203375"><h4 class="sectiontitle">General Text OCR</h4><ul id="ocr_03_0063__ul19448820203713"><li id="ocr_03_0063__li16450202063714">Only images in PNG, JPG, JPEG, BMP, GIF, TIFF, WebP, PCX, ICO, PSD, or PDF format can be recognized.</li><li id="ocr_03_0063__li14521820103711">No side of the image can be smaller than 15 or larger than 8,192 pixels.</li><li id="ocr_03_0063__li11455182013379">The area to be recognized must occupy more than 80% of the image. When scanning a table, ensure that all text and its surrounding area are included in the image.</li><li id="ocr_03_0063__li1745662013714">An image can be rotated to any angle.</li><li id="ocr_03_0063__li54571820143719">Text in images with complex backgrounds (such as outdoor scenery or anti-counterfeit watermarks) or distorted text cannot be recognized.</li><li id="ocr_03_0063__li1554071215919">Supported languages: Chinese, English, some traditional Chinese, Malay, Ukrainian, Hindi, Russian, Vietnamese, Indonesian, Thai, Arabic, German, Latin, French, Italian, Spanish, Portuguese, Romanian, Polish Amharic, Japanese, Korean, Turkish, Norwegian, Danish, Swedish, Khmer, and Hebrew.</li></ul>
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<div class="section" id="ocr_03_0063__section12870144482912"><h4 class="sectiontitle">Smart Document Recognizer</h4><ul id="ocr_03_0063__ul7622153124420"><li id="ocr_03_0063__li86221318446">English and Chinese are both supported, but the support for traditional Chinese characters is limited.</li><li id="ocr_03_0063__li136239319446">Only images in PNG, JPG, JPEG, BMP, GIF, TIFF, WebP, PCX, ICO or PSD format and PDF files can be recognized. PDF files can only be recognized one page at a time, but you can use the <strong id="ocr_03_0063__b98210560140">pdf_page_number</strong> parameter to specify which page you want to recognize.</li><li id="ocr_03_0063__li11623193134410">No side of the image can be smaller than 15 or larger than 8,192 pixels.</li><li id="ocr_03_0063__li1362313104411">The area to be recognized must occupy more than 80% of the image. When scanning a table, ensure that all text and its surrounding area are included in the image.</li><li id="ocr_03_0063__li15623133117442">An image can be rotated to any angle.</li><li id="ocr_03_0063__li1862313316443">For more accurate recognition results, the number of characters on a single page must be limited to 1,800 or less.</li><li id="ocr_03_0063__li46238319446">Text in images with complex backgrounds (such as outdoor scenery or anti-counterfeit watermarks) or distorted text cannot be analyzed.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="ocr_03_0060.html">Before You Start</a></div>
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