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PNG Encoder IP

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  • PNG Encoder
    • PNG compression standard ISO/IEC 15948:2003
    • ZLIB and Deflate implementations as per RFC1950 and RFC1951
    • Plug and Play IP blocks for Xilinx Vivado and Altera Quartus Qsys
    • No need for external CPU or memory.
  • PNG Lossless Compression Encoder
    • The PNG-E core implements a lossless image compression engine compliant with the Portable Network Graphics (PNG) file format specified in the ISO/IEC 15948 and RFC 2083 standards.
    • The encoder core can compress greyscale or color (RGB) images, with 8 and 16 bits per color, with or without alpha transparency, and produces complete PNG files
    Block Diagram -- PNG Lossless Compression Encoder
  • QOI Lossless Image Compression Encoder
    • The QOIE Core is an encoder that implements a highly efficient, low-power, lossless image compression engine compliant with the Quite OK Image format (QOI) specification, version 1.0.
    • The QOI algorithm compresses RGB or RGBA images with 8 bits per color without any loss. It has a compression efficiency close to that of PNG compression, but with a fraction of the computational complexity.
    Block Diagram -- QOI Lossless Image Compression Encoder
  • Lossless & Near-Lossless JPEG-LS Encoder
    • The JPEG-LS-E core implements a highly efficient, low-power, lossless and near-lossless image compression engine that is compliant to the JPEG-LS, ISO/IEC 14495-1 standard.  
    • Based on LOCO-I (LOw COmplexity LOssless COmpression for Images), the JPEG-LS algorithm leads in numerically lossless compression efficiency, attaining compression ratios similar or superior to those obtained with more advanced algorithms such as JPEG 2000.
    Block Diagram -- Lossless & Near-Lossless JPEG-LS Encoder
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