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智能 OCR 文字提取工具。从图片中识别文字，支持中英文混排、图像预处理（灰度化+二值化提升识别率）、表格结构还原为 Markdown 格式。
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| name | ocr-extract |
| description | 智能 OCR 文字提取工具。从图片中识别文字，支持中英文混排、图像预处理（灰度化+二值化提升识别率）、表格结构还原为 Markdown 格式。 |
| version | 1.0.0 |
| author | DunCrew |
| tags | ["ocr","text-extraction","image-processing"] |
| keywords | ["OCR","文字识别","图片文字","表格识别","text recognition","截图识别"] |
| dangerLevel | safe |
| inputs | [{"name":"imagePath","type":"string","required":true,"description":"图片文件路径"},{"name":"language","type":"string","required":false,"description":"Tesseract 语言代码，默认 eng+chi_sim"},{"name":"outputFormat","type":"string","required":false,"description":"输出格式: text / markdown"},{"name":"preprocess","type":"boolean","required":false,"description":"是否图像预处理，默认 true"}] |
| metadata | {"openclaw":{"emoji":"🔍","primaryEnv":"python","requires":{"bins":["python3","tesseract"]}}} |
智能 OCR 文字提取工具，比 parseFile 的 OCR 功能更强大。
使用 ocrExtract 工具从图片中提取文字。支持预处理优化和表格还原。
| 特性 | parseFile | ocrExtract |
|---|---|---|
| 图像预处理 | 无 | 灰度+二值化 |
| 表格识别 | 不支持 | Markdown 表格 |
| 语言选择 | 固定 | 可配置 |
| 预处理开关 | 无 | 可控 |
基本文字提取:
{"imagePath": "C:/screenshots/test.png"}
日文识别:
{"imagePath": "C:/screenshots/jp.png", "language": "jpn"}
表格识别:
{"imagePath": "C:/screenshots/table.png", "outputFormat": "markdown"}
不做预处理（已经是高清图片时）:
{"imagePath": "C:/screenshots/hd.png", "preprocess": false}
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