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https://open.uns.ac.rs/handle/123456789/1766
Назив: | HEVC-based compression of high bit-depth 3D seismic data | Аутори: | Radosavljević, Miloš Xiong Z. Lu L. Hohl D. Vukobratović, Dejan |
Датум издавања: | 20-феб-2018 | Часопис: | Proceedings - International Conference on Image Processing, ICIP | Сажетак: | © 2017 IEEE. In a previous work [1] we applied the idea of HEVC intra coding to compression of 32 b/p seismic images. Results are significantly better than those from a licensed commercial wavelet-based codec that is currently used at Shell for seismic image compression, which performs on par with JPEGXR. Building upon [1], this paper exploits HEVC-based inter predictive coding for 3D 32 b/p seismic data. We propose a new model for the Lagrange multiplier in R-D optimization to accommodate 32 b/p bit-depth and extended quantization parameter range. We also focus on reducing the complexity of motion estimation to meet application needs. Experiments with our new codec show a 95% complexity reduction of encoding time at 10:1 compression ratio with only 1 dB loss on average PSNR. The compression performance and subjective quality of our codec received high evaluation marks from Shell geologists. | URI: | https://open.uns.ac.rs/handle/123456789/1766 | ISBN: | 9781509021758 | ISSN: | 15224880 | DOI: | 10.1109/ICIP.2017.8297039 |
Налази се у колекцијама: | FTN Publikacije/Publications |
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