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Dr. P.S. Jagadeesh Kumar's paper discusses a wavelet sub-band coding method for lossless compression of compound images, such as computer screens. The work addresses the challenge of transmitting real-time screen video data, where an 800x600 true color frame is 1.44 MB and 85 frames per second produces over 100 MB of data. Implementation results show excellent visual quality for text in compressed images.
The input describes a research paper and method, not a directly downloadable dataset of images or code. The license is listed as Open Access (green) for the paper.