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Highly Efficient Lossless Coding for High Dynamic Range Red, Clear, Clear, Clear Image Sensors
Paweł Pawłowski1, Karol Piniarski1, Adam Dąbrowski1
1Division of Signal Processing and Electronic Systems, Institute of Automation and Robotics, Poznań University of Technology, Jana Pawła 24, 60-965 Poznań, Poland.
Abstract:
In this paper we present a highly efficient coding procedure, specially designed and dedicated to operate with high dynamic range (HDR) RCCC (red, clear, clear, clear) image sensors used mainly in advanced driver-assistance systems (ADAS) and autonomous driving systems (ADS). The coding procedure can be used for a lossless reduction of data volume under developing and testing of video processing algorithms, e.g., in software in-the-loop (SiL) or hardware in-the-loop (HiL) conditions. Therefore, it was designed to achieve both: the state-of-the-art compression ratios and real-time compression feasibility. In tests we utilized FFV1 lossless codec and proved efficiency of up to 81 fps (frames per second) for compression and 87 fps for decompression performed on a single Intel i7 CPU.
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