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Related papers: KAN or MLP? Point Cloud Shows the Way Forward

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Point cloud classification plays a crucial role in the processing and analysis of data from 3D sensors such as LiDAR, which are commonly used in applications like autonomous vehicles, robotics, and environmental monitoring. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Qiang Zheng , Chao Zhang , Jian Sun

The unprecedented advancements in Large Language Models (LLMs) have shown a profound impact on natural language processing but are yet to fully embrace the realm of 3D understanding. This paper introduces PointLLM, a preliminary effort to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Runsen Xu , Xiaolong Wang , Tai Wang , Yilun Chen , Jiangmiao Pang , Dahua Lin

Analyzing the geometric and semantic properties of 3D point clouds through the deep networks is still challenging due to the irregularity and sparsity of samplings of their geometric structures. This paper presents a new method to define…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Artem Komarichev , Zichun Zhong , Jing Hua

Self-attention modules have demonstrated remarkable capabilities in capturing long-range relationships and improving the performance of point cloud tasks. However, point cloud objects are typically characterized by complex, disordered, and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Xian Wei , Muyu Wang , Shing-Ho Jonathan Lin , Zhengyu Li , Jian Yang , Arafat Al-Jawari , Xuan Tang

Kolmogorov-Arnold Networks (KANs) relocate learnable nonlinearities from nodes to edges, demonstrating remarkable capabilities in scientific machine learning and interpretable modeling. However, current KAN implementations suffer from…

Neural and Evolutionary Computing · Computer Science 2025-09-25 Alastair Poole , Stig McArthur , Saravan Kumar

Image-to-Image translation in Generative Artificial Intelligence (Generative AI) has been a central focus of research, with applications spanning healthcare, remote sensing, physics, chemistry, photography, and more. Among the numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Arpan Mahara , Naphtali D. Rishe , Liangdong Deng

Solving geometric tasks involving point clouds by using machine learning is a challenging problem. Standard feed-forward neural networks combine linear or, if the bias parameter is included, affine layers and activation functions. Their…

Machine Learning · Computer Science 2022-06-15 Pavlo Melnyk , Michael Felsberg , Mårten Wadenbäck

Three-dimensional point clouds provide highly accurate digital representations of objects, essential for applications in computer graphics, photogrammetry, computer vision, and robotics. However, comparing point clouds faces significant…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Amit Vishwakarma , K. S. Subrahamanian Moosath

Convolutional Neural Networks (CNNs) have performed extremely well on data represented by regularly arranged grids such as images. However, directly leveraging the classic convolution kernels or parameter sharing mechanisms on sparse 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Mingtao Feng , Liang Zhang , Xuefei Lin , Syed Zulqarnain Gilani , Ajmal Mian

Point clouds are a very efficient way to represent volumetric data in medical imaging. First, they do not occupy resources for empty spaces and therefore can avoid trade-offs between resolution and field-of-view for voxel-based 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Mattias Paul Heinrich

Modern neural architectures for 3D point cloud processing contain both convolutional layers and attention blocks, but the best way to assemble them remains unclear. We analyse the role of different computational blocks in 3D point cloud…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yuanwen Yue , Damien Robert , Jianyuan Wang , Sunghwan Hong , Jan Dirk Wegner , Christian Rupprecht , Konrad Schindler

In this paper, we tackle the challenging problem of point cloud completion from the perspective of feature learning. Our key observation is that to recover the underlying structures as well as surface details, given partial input, a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Zejia Su , Haibin Huang , Chongyang Ma , Hui Huang , Ruizhen Hu

Point cloud registration is a key task in many computational fields. Previous correspondence matching based methods require the inputs to have distinctive geometric structures to fit a 3D rigid transformation according to point-wise sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Xu , Shuaicheng Liu , Guangfu Wang , Guanghui Liu , Bing Zeng

In low-resource languages like Burmese, classification tasks often fine-tune only the final classification layer, keeping pre-trained encoder weights frozen. While Multi-Layer Perceptrons (MLPs) are commonly used, their fixed non-linearity…

Computation and Language · Computer Science 2025-11-27 Thura Aung , Eaint Kay Khaing Kyaw , Ye Kyaw Thu , Thazin Myint Oo , Thepchai Supnithi

Limited by the complexity of basis function (B-spline) calculations, Kolmogorov-Arnold Networks (KAN) suffer from restricted parallel computing capability on GPUs. This paper proposes a novel ReLU-KAN implementation that inherits the core…

Machine Learning · Computer Science 2024-08-13 Qi Qiu , Tao Zhu , Helin Gong , Liming Chen , Huansheng Ning

Point cloud shape completion is a challenging problem in 3D vision and robotics. Existing learning-based frameworks leverage encoder-decoder architectures to recover the complete shape from a highly encoded global feature vector. Though the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Wenxiao Zhang , Qingan Yan , Chunxia Xiao

In this paper, we propose an effective point cloud generation method, which can generate multi-resolution point clouds of the same shape from a latent vector. Specifically, we develop a novel progressive deconvolution network with the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Le Hui , Rui Xu , Jin Xie , Jianjun Qian , Jian Yang

Recently Transformer-based models have advanced point cloud understanding by leveraging self-attention mechanisms, however, these methods often overlook latent information in less prominent regions, leading to increased sensitivity to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Yi Wang , Jiaze Wang , Ziyu Guo , Renrui Zhang , Donghao Zhou , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Applying pre-trained models to assist point cloud understanding has recently become a mainstream paradigm in 3D perception. However, existing application strategies are straightforward, utilizing only the final output of the pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Yaohua Zha , Yanzi Wang , Hang Guo , Jinpeng Wang , Tao Dai , Bin Chen , Zhihao Ouyang , Xue Yuerong , Ke Chen , Shu-Tao Xia

In this research, we propose the first approach for integrating the Kolmogorov-Arnold Network (KAN) with various pre-trained Convolutional Neural Network (CNN) models for remote sensing (RS) scene classification tasks using the EuroSAT…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Minjong Cheon