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Article | Open Access

Portable Perceptron Network-Based Fast Mode Decision for Video-Based Point Cloud Compression

Shicheng Que1, Yue Li1( )
College of Computer Science, University of South China, Hengyang 421001, China
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An erratum to this article is available online at:
https://doi.org/10.26599/AIR.2024.9150029

Abstract

In Video-based Point Cloud Compression (V-PCC), 2D videos to be encoded are generated by 3D point cloud projection, and compressed by High Efficiency Video Coding (HEVC). In the process of 2D video compression, the best mode of Coding Unit (CU) is searched by brute-force strategy, which greatly increases the complexity of the encoding process. To address this issue, we first propose a simple and effective Portable Perceptron Network (PPN)-based fast mode decision method for V-PCC under Random Access (RA) configuration. Second, we extract seven simple hand-extracted features for input into the PPN network. Third, we design an adaptive loss function, which can calculate the loss by allocating different weights according to different Rate-Distortion (RD) costs, to train our PPN network. Finally, experimental results show that the proposed method can save encoding complexity of 43.13% with almost no encoding efficiency loss under RA configuration, which is superior to the state-of-the-art methods. The source code is available at https://github.com/Mesks/PPNforV-PCC.

Keywords

Video-based Point Cloud Compression (V-PCC)high efficiency video codingfast mode decisionportable perceptron network

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CAAI Artificial Intelligence Research
Volume 2,
2023
Article number: 9150022
DOI: 10.26599/AIR.2023.9150022
Cite this article:
Que S, Li Y. Portable Perceptron Network-Based Fast Mode Decision for Video-Based Point Cloud Compression. CAAI Artificial Intelligence Research, 2023, 2: 9150022. https://doi.org/10.26599/AIR.2023.9150022
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Received: 27 July 2023
Revised: 11 September 2023
Accepted: 03 November 2023
Published: 19 December 2023
© The author(s) 2023.

The articles published in this open access journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
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