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PNG Image Decoder IP

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  • PNG Decoder
    • 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.
  • QOI Lossless Image Compression Decoder
    • The QOID Core is a decoder that implements a highly efficient, low-power, lossless image decompression 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 the PNG compression, at a fraction of the computational complexity.
    Block Diagram -- QOI Lossless Image Compression Decoder
  • PNG Lossless Compression Decoder
    • The PNG-D core implements a lossless image decompression engine compliant with the Portable Network Graphics (PNG) file format specified in the ISO/IEC 15948 and RFC 2083 standards.
    • The decoder core can decompress greyscale, truecolor, and palette-based PNG images with 8 and 16 bits per color.
    • The core supports alpha channel transparency  and all the filters and DEFLATE compression options specified by the PNG standard.
    Block Diagram -- PNG Lossless Compression Decoder
  • 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
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