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In this paper, we introduce a new implementation of motion-compensated temporal filter (MCTF) based video coder which utilizes rate-distortion optimal wavelet packet transform (RDWP) for some low bit rate video coding application scenarios. Although enhanced MC-EZBC video coder provides good scalability and high coding efficiency at high bit rates, reconstructed video quality will drop rapidly with...
In this paper, a novel compression method on text image, called a gray-level reducing-based text image coding method (GRTIC), is proposed. The characteristic of text image is analyzed, and not the traditional binary mode but gray-level mode is needed in text image coder at low-resolution to recognize the characters. Furthermore, in gray-level text image coder, just a few gray levels are needed to...
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