Research Article
An Improved Information Hiding Method Based on Sparse Representation
Table 2
Embedding capacity comparison results.
| Algorithm | Cover image (pixel) | Secret information (bit) | bpp |
| Vatsa et al. [27] | 1024 × 768 | 1000 | 0.0013 | Vatsa et al. [28] | 512 × 512 | 16384 | 0.0625 |
Shih and Wu [29] | 512 × 512 × 3 | 86016 | 0.1094 | Our method | 512 × 512 | 142084 | 0.5420 |
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