CODE:https://github.com/Gofinge/PointTransformerV2 一、大体内容 前面一篇文章介绍了Point Transformer,这一篇在其基础上进行改进,提出了强大且高效的Point Transformer V2模型,考虑到原先的效率问题,提出了组向量注意力并继承了可学习权重编码和多头注意力的优点,提出一种新的分组权重编码层的分组向量注意力,来提升...
point transformer则通过对点云局部计算attention的设计,很好的解决了这个问题。 2.ptv1(point transformer) ptv2(point transformer v2)是在ptv1基础进行的改进,所以需要先了解下ptv1(point transformer)的设计,再看ptv2的改进之处。 point transformer的主要贡献就是设计了一个Point Transformer Layer和设计了一个点...
在这项工作中,我们分析了Point Transformer [1]的局限性,并为注意力和池化模块提出了几种新颖的架构设计,以提高Point Transformer的有效性和效率。我们提出的模型 Point Transformer V2 在各种 3D 场景简述任务中的表现均优于 Point Transformer。 3 Point Transformer V2 我们分析了 Point Transformer V1 (PTv1) [...
Point Transformer V1 & V2 PTv2 mode2 (recommend) The original PTv2 was trained on 4 * RTX a6000 (48G memory). Even enabling AMP, the memory cost of the original PTv2 is slightly larger than 24G. Considering GPUs with 24G memory are much more accessible, I tuned the PTv2 on the lat...
今天代码训练完毕跑test的时候报错了: Traceback (most recent call last): File "/home/weiyuyun/weiyy/PointTransformerV2-main/exp/s3dis/semseg-ptv2m2-0-base/code/tools/test.py", line 95, in <module> main() File "/home/weiyuyun/weiyy/PointTransformerV2-main/exp/s3dis/semseg-ptv2m2-0-...
代码链接:https://github.com/Pointcept/PointTransformerV3 网络结构 Point TransformerV3(PTv3)如下所示。与上一代PTv2相比,PTv3在以下方面显示出优势:1.更强的性能。PTv3在各种室内和室外3D感知任务中实现了最先进的结果。2.感受野较宽。得益于其简单高效,PTv3将感受野从16个点扩展到1024个点,速度更快。3....
Point Transformer V2: Grouped Vector Attention and Partition-based Pooling Xiaoyang Wu, Yixing Lao, Li Jiang, Xihui Liu, Hengshuang Zhao Conference on Neural Information Processing Systems (NeurIPS) 2022 [ Backbone ] [ PTv2 ] - [arXiv] [Bib] →here ...
3D Semantic SegmentationnuScenesPTv2mIoU82.6%# 1 Compare LIDAR Semantic SegmentationnuScenesPTv2test mIoU0.826# 2 Compare val mIoU0.802# 3 Compare 3D Semantic SegmentationS3DISPointTransformerV2mIoU (Area-5)71.6# 2 Compare Semantic SegmentationS3DIS Area5PTv2mIoU72.6# 14 ...
2 changes: 1 addition & 1 deletion 2 README.md Original file line numberDiff line numberDiff line change @@ -1,9 +1,9 @@ # Point Transformer V2 **This repo is not actively maintained. Please checkout our new codebase** [Pointcept](https://github.com/Pointcept/Pointcept). ...