Maurice Quach, Giuseppe Valenzise, Frederic Dufaux
TL;DR本文提出了一系列改进点云压缩的方法,包括使用尺度先验模型进行熵编码、采用更深的变换、不同的 focal loss 权重、最优解码阈值和连续模型训练,并通过实验验证这些方法可以带来较好的 BD-PSNR 提升。
Abstract
point clouds have been recognized as a crucial data structure for 3d content
and are essential in a number of applications such as virtual and mixed
reality, autonomous driving, cultural heritage, etc. In this pa