Research Article
Intelligent Big Information Retrieval of Smart Library Based on Graph Neural Network (GNN) Algorithm
Table 1
Comparison between compression technology and output format of main digital processing systems.
| Digital processing system | Compression format | Output format |
| TPI | The binary image is compressed by JBIG and the gray image is compressed by JPEG | CAJ,PDF,KDH | TBS | G4 compression is used for black-and-white images, and JPEG and JPEG2000 compression are used for gray and color images | PDF | TRS | The text is compressed by LZW | PDF,HTML,XML |
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