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Article

Color Transformations Resulting in Loss of Performance in Modern Video Compression Software Systems

Institute of Multimedia Telecommunications, Poznań University of Technology, 61-131 Poznań, Poland
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Author to whom correspondence should be addressed.
Information 2026, 17(4), 366; https://doi.org/10.3390/info17040366
Submission received: 3 February 2026 / Revised: 29 March 2026 / Accepted: 31 March 2026 / Published: 13 April 2026
(This article belongs to the Special Issue Signal Processing and Machine Learning, 2nd Edition)

Abstract

Modern video compression is implemented in complex software systems that reuse software modules from various sources. This is particularly evident in experimental software systems designed for researching and standardizing new compression technologies. These systems often incorporate software modules operating in different color spaces. For example, AI-based techniques are often used in video coding experiments. The corresponding software modules often operate on RGB representations, while other modules operate on YCBCR components. In this study, we demonstrate that the quality loss resulting from color transformations is comparable to the respective quantization noise. Consecutive cycles of color transformations do not result in significant additional degradation. However, for image compression, very different results are obtained in different color representations. This aspect must be carefully considered in compression research. This paper supports these considerations with extensive experimental results in the context of ITU Recommendations BT.709 and BT.2020, as well as AVC and HEVC compression.
Keywords: color space; RGB; luma and chroma; video coding; compression efficiency; machine vision; neural network; artificial intelligence color space; RGB; luma and chroma; video coding; compression efficiency; machine vision; neural network; artificial intelligence

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MDPI and ACS Style

Domański, M.; Grzelka, A.; Stankiewicz, O. Color Transformations Resulting in Loss of Performance in Modern Video Compression Software Systems. Information 2026, 17, 366. https://doi.org/10.3390/info17040366

AMA Style

Domański M, Grzelka A, Stankiewicz O. Color Transformations Resulting in Loss of Performance in Modern Video Compression Software Systems. Information. 2026; 17(4):366. https://doi.org/10.3390/info17040366

Chicago/Turabian Style

Domański, Marek, Adam Grzelka, and Olgierd Stankiewicz. 2026. "Color Transformations Resulting in Loss of Performance in Modern Video Compression Software Systems" Information 17, no. 4: 366. https://doi.org/10.3390/info17040366

APA Style

Domański, M., Grzelka, A., & Stankiewicz, O. (2026). Color Transformations Resulting in Loss of Performance in Modern Video Compression Software Systems. Information, 17(4), 366. https://doi.org/10.3390/info17040366

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