File:Bitonal extraction from PDF - TIF vs JPG.png
Size of this preview: 800 × 307 pixels. Other resolutions: 320 × 123 pixels | 1,043 × 400 pixels.
Original file (1,043 × 400 pixels, file size: 16 KB, MIME type: image/png)
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Summary
| Description |
English: Illustration of image extraction from a PDF file with embedded bitonal images. Extracting as a lossless format (left, TIF) does not introduce image degradation; extracting as a lossy format (right, JPG) does.
The original source PDF is a Public Domain text from the Internet Archive: https://archive.org/details/mammalsminnesot00herrgoog, PDF page 16. |
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| Date | |||
| Source | Own work | ||
| Author | Inductiveload | ||
| Permission (Reusing this file) |
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:01, 20 April 2024 | | 1,043 × 400 (16 KB) | Obscure2020 | The previous version of this image was encoded as RGBA, which unnecessarily inflated the file size, because the image is completely opqaue. I have corrected the image to RGB with the help of OxiPNG and ZopfliPNG. |
| 09:43, 10 June 2020 |  | 1,043 × 400 (29 KB) | Inductiveload | {{Information |description={{En|1=Illustration of image extraction from a PDF file with embedded bitonal images. Extracting as a lossless format (left, TIF) does not introduce image degradation; extracting as a lossy format (right, JPG) does. The original source PDF is a Public Domain text from the Internet Archive: https://archive.org/details/mammalsminnesot00herrgoog, PDF page 16.}} |date=2020-06-10 |source={{own}} |author=User:Inductiveload |permission={{pd-self}} |other versions= }... |
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