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JPEG2000 RAW FPGA IP-cores compress camera Bayer pattern-images

JPEG2000 RAW FPGA IP-cores compress camera Bayer pattern-images

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By eeNews Europe



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Today, a simple raw Bayer-pattern image at 16 bits, at a resolution of 4256 by 2848, represents about 23MB (at 60 fps, this implies that 1,4 GB per second has to be stored). In comparison, a JPEG2000 compressed RAW file drastically reduces the file size while preserving pristine image quality, suitable for the vast majority of usage scenarios ranging from 4:1 to 20:1.

Shooting in compressed JPEG2000 RAW allows users to manage higher image quality within the constraints of the recording medium compared to other formats at the same file size. The wavelet scalability of JPEG2000 enables to encode image features at different formats separately. As a result, low-resolution preview can be decoded, without processing the entire high-resolution file. It makes it easier to directly view and edit large video files on desktop computers. Last but not least: the royalty-free JPEG2000 standard is already widely adopted by the Cinema and Broadcast industries and recognized for its high quality in production and post-production workflows.

The new intoPIX JPEG2000-RAW IP-cores generate fully standard JPEG2000 files (ISO 15444-1) from a camera’s digital sensor in such way that it maximizes Cinema and TV production and post-production capabilities. It achieves this by storing each of the sensor’s color channels separately, prior to conversion into a full color image with an optimized and flexible rate allocation. Similar to the RAW files advantages, it preserves the access to any demosaicing algorithms, white balance, exposure and color grading in post-production.

Visit intoPIX at www.intopix.com

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