Training dataset for spectral compressive imaging in DL4sSR

<p>Training dataset should be placed as&nbsp;\DL4sSR\3SCI\26train_256_enhanced.h5</p> <p>Benchmark:&nbsp;<a href="https://github.com/JiangHe96/DL4sSR">https://github.com/JiangHe96/DL4sSR</a></p> <p>Reference: J. He, Q. Yuan, J. Li, Y. Xiao, D. Liu, H. Shen, and L. Zhang, &quot;Spectral super-resolution meets deep learning: achievements and challenges,&quot;&nbsp;<em>Information Fusion,</em>&nbsp;2023.</p>