技能备份 - 2026-04-15 (40个技能)

2026-04-15 18:53:15 +08:00
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+---
+name: tesseract-ocr
+description: |
+  Extract text from images using the Tesseract OCR engine directly via command line.
+  Supports multiple languages including Chinese, English, and more. Use this skill 
+  when users need to extract text from images, recognize text content in images, 
+  or perform OCR tasks without Python dependencies.
+---
+
+# Tesseract OCR Skill
+
+Extract text content from images using the Tesseract engine directly via command line.
+
+## Features
+
+- Extract text from image files using native tesseract CLI
+- Support multi-language recognition (Chinese, English, etc.)
+- No Python dependencies required
+- Simple and fast
+
+## Dependencies
+
+Install Tesseract OCR system package:
+
+```bash
+# Ubuntu/Debian:
+sudo apt-get install tesseract-ocr tesseract-ocr-chi-sim
+
+# macOS:
+brew install tesseract tesseract-lang
+```
+
+## Usage
+
+### Basic Usage
+
+```bash
+# Use default language (English)
+tesseract /path/to/image.png stdout
+
+# Specify language (Chinese + English)
+tesseract /path/to/image.png stdout -l chi_sim+eng
+
+# Save to file
+tesseract /path/to/image.png output.txt -l chi_sim+eng
+
+# Multiple languages
+tesseract /path/to/image.png stdout -l chi_sim+eng+jpn
+```
+
+### Common Language Codes
+
+| Language | Code |
+|----------|------|
+| Simplified Chinese | chi_sim |
+| Traditional Chinese | chi_tra |
+| English | eng |
+| Japanese | jpn |
+| Korean | kor |
+| Chinese + English | chi_sim+eng |
+
+### Quick Examples
+
+```bash
+# OCR with Chinese support
+tesseract image.jpg stdout -l chi_sim
+
+# OCR with mixed Chinese and English
+tesseract image.png stdout -l chi_sim+eng
+
+# Save to file instead of stdout
+tesseract document.png result -l chi_sim+eng
+# Creates result.txt
+```
+
+## Notes
+
+1. OCR accuracy depends on image quality; use clear images for best results
+2. Complex layouts (tables, multi-column) may require post-processing
+3. Chinese recognition requires the tesseract-ocr-chi-sim language pack
+4. Language packs must be installed separately on your system