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    Pegasus Imaging Awarded Patent For Reducing Jpeg Compression Artifacts

    TAMPA, FL – Pegasus Imaging announces a patent has been awarded to the company and two of its scientists. The patent covers a scientific approach in image decompression to reduce the blockiness and other objectionable artifacts in images caused by image compression. It is titled “Methods and Apparatus for Improving Quality of Block-Transform Coded Images.”

    “Block artifacts are probably the most annoying consequence of high levels of image compression by block-based image compression methods such as JPEG,” says Stephen A. Martucci, scientist at Pegasus Imaging and co-inventor of the patented technology. “Even at low levels of compression, when artifacts and distortions may not be visible to the human eye, they are still present in the reconstructed image and can cause problems when further processing is attempted. We’ve developed a method to significantly or completely remove these effects.”

    This patent recognizes unique technology that has contributed to the high quality decompression of Pegasus Imaging’s JPEG, found within the ImagXpress™ and PICTools™ software development kits (SDK’s). It reduces block-based coding artifacts in a way that is effective and computationally efficient. This innovative approach and others like it offer enhancements to Pegasus Imaging’s own JPEG libraries that exceed the quality of other implementations including standard open source JPEG solutions. Balancing speed with quality, the company strives to continually offer the best image enhancements in the most efficient ways. Pegasus remains as the only commercial supplier of JPEG compression and decompression libraries in the world.

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