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We introduce FPConv, a novel surface-style convolution operator designed for 3D point cloud analysis. Unlike previous methods, FPConv doesn't require transforming to intermediate representation like 3D grid or graph and directly works on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Yiqun Lin , Zizheng Yan , Haibin Huang , Dong Du , Ligang Liu , Shuguang Cui , Xiaoguang Han

Model compression techniques on Deep Neural Network (DNN) have been widely acknowledged as an effective way to achieve acceleration on a variety of platforms, and DNN weight pruning is a straightforward and effective method. There are…

Machine Learning · Computer Science 2020-03-06 Xiaolong Ma , Fu-Ming Guo , Wei Niu , Xue Lin , Jian Tang , Kaisheng Ma , Bin Ren , Yanzhi Wang

In endoscopic imaging, the recorded images are prone to exposure abnormalities, so maintaining high-quality images is important to assist healthcare professionals in performing decision-making. To overcome this issue, We design a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Zhuoran Zheng , Jun Zhang

We present a diffeomorphic image registration algorithm to learn spatial transformations between pairs of images to be registered using fully convolutional networks (FCNs) under a self-supervised learning setting. The network is trained to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Hongming Li , Yong Fan

Image fusion aims to integrate complementary information across modalities to generate high-quality fused images, thereby enhancing the performance of high-level vision tasks. While global spatial modeling mechanisms show promising results,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Guan Zheng , Xue Wang , Wenhua Qian , Peng Liu , Runzhuo Ma

High-resolution dense prediction enables many appealing real-world applications, such as computational photography, autonomous driving, etc. However, the vast computational cost makes deploying state-of-the-art high-resolution dense…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Han Cai , Junyan Li , Muyan Hu , Chuang Gan , Song Han

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

Synthetic data provide low-cost, accurately annotated samples for geometry-sensitive vision tasks, but appearance and imaging differences between synthetic and real domains cause severe domain shift and degrade downstream performance.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Chuanhai Zang , Jiabao Hu , XW Song

This study proposes a lightweight method for building image super-resolution using a Dilated Contextual Feature Modulation Network (DCFMN). The process includes obtaining high-resolution images, down-sampling them to low-resolution,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Yi Zhang

Nowadays, we mainly use various convolution neural network (CNN) structures to extract features from radio data or spectrogram in AMR. Based on expert experience and spectrograms, they not only increase the difficulty of preprocessing, but…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Miao Du , Qin Yu , Shaomin Fei , Chen Wang , Xiaofeng Gong , Ruisen Luo

Partial differential equations (PDEs) with near singular solutions pose significant challenges for traditional numerical methods, particularly in complex geometries where mesh generation and adaptive refinement become computationally…

Numerical Analysis · Mathematics 2025-07-24 Yangtao Deng , Qiaolin He , Xiaoping Wang

We present a novel deep learning architecture in which the convolution operation leverages heterogeneous kernels. The proposed HetConv (Heterogeneous Kernel-Based Convolution) reduces the computation (FLOPs) and the number of parameters as…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Pravendra Singh , Vinay Kumar Verma , Piyush Rai , Vinay P. Namboodiri

We introduce a new class of multilevel, adaptive, dual-space methods for computing fast convolutional transforms. These methods can be applied to a broad class of kernels, from the Green's functions for classical partial differential…

Numerical Analysis · Mathematics 2023-09-12 Shidong Jiang , Leslie Greengard

Change detection from high-resolution remote sensing images lies as a cornerstone of Earth observation applications, yet its efficacy is often compromised by two critical challenges. First, false alarms are prevalent as models misinterpret…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhongxiang Xie , Shuangxi Miao , Yuhan Jiang , Zhewei Zhang , Jing Yao , Xuecao Li , Jianxi Huang , Pedram Ghamisi

Despite the remarkable success of deep learning, an optimal convolution operation on point clouds remains elusive owing to their irregular data structure. Existing methods mainly focus on designing an effective continuous kernel function…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Sungmin Woo , Dogyoon Lee , Sangwon Hwang , Woojin Kim , Sangyoun Lee

Time series forecasting is a long-standing challenge due to the real-world information is in various scenario (e.g., energy, weather, traffic, economics, earthquake warning). However some mainstream forecasting model forecasting result is…

Artificial Intelligence · Computer Science 2022-12-05 Maowei Jiang , Pengyu Zeng , Kai Wang , Huan Liu , Wenbo Chen , Haoran Liu

Deep convolutional neural networks have been proven successful in multiple benchmark challenges in recent years. However, the performance improvements are heavily reliant on increasingly complex network architecture and a high number of…

Computer Vision and Pattern Recognition · Computer Science 2021-02-01 Guoqing Bao , Manuel B. Graeber , Xiuying Wang

We introduce dense vision transformers, an architecture that leverages vision transformers in place of convolutional networks as a backbone for dense prediction tasks. We assemble tokens from various stages of the vision transformer into…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 René Ranftl , Alexey Bochkovskiy , Vladlen Koltun

Convolutional neural networks (CNN) are increasingly used in many areas of computer vision. They are particularly attractive because of their ability to "absorb" great quantities of labeled data through millions of parameters. However, as…

Machine Learning · Computer Science 2015-06-16 Wenlin Chen , James T. Wilson , Stephen Tyree , Kilian Q. Weinberger , Yixin Chen

Image deblurring aims to reconstruct a latent sharp image from its corresponding blurred one. Although existing methods have achieved good performance, most of them operate exclusively in either the spatial domain or the frequency domain,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Hu Gao , Depeng Dang