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OCR (edit)

Revision as of 20:15, 8 January 2025

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* [https://ocr.space/ Best Free OCR API, Online OCR, Searchable PDF - Fresh 2022 On-Premise OCR Software] 可指定語言
* [https://ocr.space/ Best Free OCR API, Online OCR, Searchable PDF - Fresh 2022 On-Premise OCR Software] 可指定語言
* [https://chatgpt.com/ ChatGPT] 顯示錯誤訊息「Tesseract 不支援繁體中文」 (Traditional Chinese language data for Tesseract is not available in this environment) {{access | date=2024-08-23}}
* [https://claude.ai/new Claude] 可處理中文圖轉字，但字出錯仍需要人工校稿。


* ''$'' [https://cloud.google.com/vision/?hl=zh-tw Vision AI | 透過機器學習技術取得圖片的深入分析結果  |  Cloud Vision API  |  Google Cloud]
* ''$'' [https://cloud.google.com/vision/?hl=zh-tw Vision AI | 透過機器學習技術取得圖片的深入分析結果  |  Cloud Vision API  |  Google Cloud]


: [[Image:Owl icon.jpg]] 講個秘訣：因為線上服務免費版會限制 PDF 檔案頁數，可使用切割軟體 [[PDF split and merge tools]]
=== PDF轉換成文字 ===
{{Tips}} 講個秘訣：因為線上服務免費版會限制 PDF 檔案頁數，可使用切割軟體 [[PDF split and merge tools]]


=== PDF轉換成文字 ===
* [[Document_converter#PDF.E8.BD.89.E6.8F.9B.E6.88.90.E7.B4.94.E6.96.87.E5.AD.97 | PDF轉換成文字]]
* [[Document_converter#PDF.E8.BD.89.E6.8F.9B.E6.88.90.E7.B4.94.E6.96.87.E5.AD.97 | PDF轉換成文字]]


== OCR scripts ==
== OCR scripts & API ==
Scripts
* [https://github.com/thiagoalessio/tesseract-ocr-for-php thiagoalessio/tesseract-ocr-for-php: A wrapper to work with Tesseract OCR inside PHP.] 有提供繁體中文 model 檔案({{kbd | key=chi_tra (Chinese traditional)}}) <ref>[https://github.com/tesseract-ocr/tesseract/blob/main/doc/tesseract.1.asc#languages-and-scripts LANGUAGES AND SCRIPTS]</ref>，但是繁體中文辨識結果不佳。 {{access | date=2022-04-20}}
** Language: PHP
** License: [https://github.com/thiagoalessio/tesseract-ocr-for-php/blob/main/MIT-LICENSE MIT License]
* [https://github.com/ocropus/ocropy ocropus/ocropy: Python-based tools for document analysis and OCR] 沒有提供中文 model 檔案 {{access | date=2022-04-20}}
** Language: Python
** License: [https://github.com/ocropus/ocropy/blob/master/LICENSE Apache License 2.0]
*[https://github.com/tesseract-ocr/tesseract tesseract-ocr/tesseract: Tesseract Open Source OCR Engine (main repository)] {{access | date=2022-06-19}}
** Language: C++:
** License: [https://github.com/tesseract-ocr/tesseract/blob/main/LICENSE Apache License 2.0]


== OCR API ==
[https://github.com/ocropus/ocropy ocropus/ocropy: Python-based tools for document analysis and OCR]
OCR API
* Script Language: Python
* Azure AI Vision/[https://azure.microsoft.com/zh-tw/services/cognitive-services/computer-vision/ 電腦視覺 | Microsoft Azure]: [https://docs.microsoft.com/zh-tw/azure/cognitive-services/Computer-vision/quickstarts-sdk/client-library?pivots=programming-language-rest-api&tabs=visual-studio 快速入門：光學字元辨識 (OCR) 用戶端程式庫或 REST API - Azure Cognitive Services | Microsoft Docs] 支援中文<ref>[https://docs.microsoft.com/zh-tw/azure/cognitive-services/computer-vision/language-support#optical-character-recognition-ocr 語言支援 - 電腦視覺 - Azure Cognitive Services | Microsoft Docs]</ref>
* Support Language: < 10. {{exclaim}} 沒有提供中文 model 檔案 {{access | date=2022-04-20}} More on [https://github.com/ocropus-archive/DUP-ocropy/wiki/Models Models · ocropus-archive/DUP-ocropy Wiki]
* [https://cloud.google.com/vision Vision AI | 透過機器學習技術取得圖片的深入分析結果  |  Cloud Vision API  |  Google Cloud]: 支援繁體中文 ({{kbd | key=zh-Hant}})<ref>[https://cloud.google.com/vision/docs/languages OCR Language Support  |  Cloud Vision API  |  Google Cloud]</ref>
* License: [https://github.com/ocropus/ocropy/blob/master/LICENSE Apache License 2.0]
* [https://ocr.space/OCRAPI Free OCR API] 支援繁體中文 ({{kbd | key=cht}})
 
* [https://aws.amazon.com/tw/rekognition/?blog-cards.sort-by=item.additionalFields.createdDate&blog-cards.sort-order=desc Amazon Rekognition – 影片與影像 – AWS]: [https://docs.aws.amazon.com/rekognition/latest/dg/text-detection.html?pg=ln&sec=ft Detecting text - Amazon Rekognition]: {{exclaim}} 不支援中文<ref>[https://aws.amazon.com/tw/about-aws/whats-new/2021/11/amazon-rekognition-text-detection-7-new-languages-accuracy/ Amazon Rekognition text detection supports 7 new languages and improves accuracy] " Amazon Rekognition is designed to detect words in English, Arabic, Russian, German, French, Italian, Portuguese and Spanish."</ref><ref>[https://docs.aws.amazon.com/rekognition/latest/dg/text-detection.html Detecting text - Amazon Rekognition]</ref> {{access | date=2022-04-20}}
[https://github.com/tesseract-ocr/tesseract tesseract-ocr/tesseract: Tesseract Open Source OCR Engine (main repository)] {{access | date=2022-06-19}}
* Script Language: C++; Fork on PHP [https://github.com/thiagoalessio/tesseract-ocr-for-php thiagoalessio/tesseract-ocr-for-php: A wrapper to work with Tesseract OCR inside PHP.] <ref>[https://github.com/tesseract-ocr/tesseract/blob/main/doc/tesseract.1.asc#languages-and-scripts LANGUAGES AND SCRIPTS]</ref>，
* Support Language: 100+ contains Traditional Chinese 但是繁體中文辨識結果不佳。 {{access | date=2022-04-20}}. More on [https://tesseract-ocr.github.io/tessdoc/Data-Files-in-different-versions.html Languages/Scripts supported in different versions of Tesseract | tessdoc]
* License: [https://github.com/tesseract-ocr/tesseract/blob/main/LICENSE Apache License 2.0]. PHP Fork: [https://github.com/thiagoalessio/tesseract-ocr-for-php/blob/main/MIT-LICENSE MIT License]
 
{{Acronym| acronym=API| def=應用程式介面（英語：application programming interface）}} of OCR services
 
Azure AI Vision/[https://azure.microsoft.com/zh-tw/services/cognitive-services/computer-vision/ 電腦視覺 | Microsoft Azure]: [https://docs.microsoft.com/zh-tw/azure/cognitive-services/Computer-vision/quickstarts-sdk/client-library?pivots=programming-language-rest-api&tabs=visual-studio 快速入門：光學字元辨識 (OCR) 用戶端程式庫或 REST API - Azure Cognitive Services | Microsoft Docs]  
* Support Language: 支援中文<ref>[https://docs.microsoft.com/zh-tw/azure/cognitive-services/computer-vision/language-support#optical-character-recognition-ocr 語言支援 - 電腦視覺 - Azure Cognitive Services | Microsoft Docs]</ref>
 
[https://cloud.google.com/vision Vision AI | 透過機器學習技術取得圖片的深入分析結果  |  Cloud Vision API  |  Google Cloud]
* Support Language: 支援繁體中文 ({{kbd | key=zh-Hant}})<ref>[https://cloud.google.com/vision/docs/languages OCR Language Support  |  Cloud Vision API  |  Google Cloud]</ref>
 
[https://ocr.space/OCRAPI Free OCR API]  
* Support Language: 支援繁體中文 ({{kbd | key=cht}})
 
[https://aws.amazon.com/tw/rekognition/?blog-cards.sort-by=item.additionalFields.createdDate&blog-cards.sort-order=desc Amazon Rekognition – 影片與影像 – AWS]: [https://docs.aws.amazon.com/rekognition/latest/dg/text-detection.html?pg=ln&sec=ft Detecting text - Amazon Rekognition]:
* Support Language: {{exclaim}} 不支援中文<ref>[https://aws.amazon.com/tw/about-aws/whats-new/2021/11/amazon-rekognition-text-detection-7-new-languages-accuracy/ Amazon Rekognition text detection supports 7 new languages and improves accuracy] " Amazon Rekognition is designed to detect words in English, Arabic, Russian, German, French, Italian, Portuguese and Spanish."</ref><ref>[https://docs.aws.amazon.com/rekognition/latest/dg/text-detection.html Detecting text - Amazon Rekognition]</ref> {{access | date=2022-04-20}}




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出處：PCHome 2005/8
出處：PCHome 2005/8
== Related Pages ==
* [[Document_converter#PDF_%E8%BD%89%E6%8F%9B%E6%88%90%E7%B4%94%E6%96%87%E5%AD%97_(TXT)|Convert PDF to TXT]]


== References ==
== References ==
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