File:Gabor-ocr.png
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,500 × 1,000 pixels.
Original file (1,500 × 1,000 pixels, file size: 181 KB, MIME type: image/png)
Summary
| Description |
English: Use of a Gabor filter for Chinese OCR.
Wavelength = 35 pixels. Top left: Original Chinese character 惑 (pinyin huò). Top middle: Orientation = 0 degree. Top right: Orientation = 45 degree. Bottom middle: Orientation = 90 degree. Bottom right: Orientation = 135 degree. Bottom left: Superposition of all four orientations. |
| Date | |
| Source | Own work |
| Author | Johndoe154 |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:09, 28 March 2010 | | 1,500 × 1,000 (181 KB) | wikimediacommons>Johndoe154 | Inverted the source image to avoid edges on image boundaries. |
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