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Semantic segmentation has achieved remarkable results with high computational cost and a large number of parameters. However, real-world applications require efficient inference speed on embedded devices. Most previous works address the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Xinneng Yang , Yan Wu , Junqiao Zhao , Feilin Liu

Recent advances in unsupervised domain adaptation (UDA) techniques have witnessed great success in cross-domain computer vision tasks, enhancing the generalization ability of data-driven deep learning architectures by bridging the domain…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Dongnan Liu , Chaoyi Zhang , Yang Song , Heng Huang , Chenyu Wang , Michael Barnett , Weidong Cai

Recent advancements in diffusion models have demonstrated significant success in unsupervised anomaly segmentation. For anomaly segmentation, these models are first trained on normal data; then, an anomalous image is noised to an…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Mehrdad Moradi , Kamran Paynabar

Remote sensing image super-resolution (SR) is a crucial task to restore high-resolution (HR) images from low-resolution (LR) observations. Recently, the Denoising Diffusion Probabilistic Model (DDPM) has shown promising performance in image…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Jialu Sui , Xianping Ma , Xiaokang Zhang , Man-On Pun

In this paper, we address the challenge of Perspective-Invariant Learning in machine learning and computer vision, which involves enabling a network to understand images from varying perspectives to achieve consistent semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Deyi Ji , Feng Zhao , Lanyun Zhu , Wenwei Jin , Hongtao Lu , Jieping Ye

We present RoarNet, a new approach for 3D object detection from a 2D image and 3D Lidar point clouds. Based on two-stage object detection framework with PointNet as our backbone network, we suggest several novel ideas to improve 3D object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-12 Kiwoo Shin , Youngwook Paul Kwon , Masayoshi Tomizuka

The emerging 4D millimeter-wave radar, measuring the range, azimuth, elevation, and Doppler velocity of objects, is recognized for its cost-effectiveness and robustness in autonomous driving. Nevertheless, its point clouds exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Yuzhi Wu , Li Xiao , Jun Liu , Guangfeng Jiang , XiangGen Xia

Manipulating transparent objects presents significant challenges due to the complexities introduced by their reflection and refraction properties, which considerably hinder the accurate estimation of their 3D shapes. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Haoxiao Wang , Kaichen Zhou , Binrui Gu , Zhiyuan Feng , Weijie Wang , Peilin Sun , Yicheng Xiao , Jianhua Zhang , Hao Dong

We propose SFMNet, a novel 3D sparse detector that combines the efficiency of sparse convolutions with the ability to model long-range dependencies. While traditional sparse convolution techniques efficiently capture local structures, they…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Oren Shrout , Ayellet Tal

Salient object detection (SOD) in remote sensing images faces significant challenges due to large variations in object sizes, the computational cost of self-attention mechanisms, and the limitations of CNN-based extractors in capturing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Bin Wan , Runmin Cong , Xiaofei Zhou , Hao Fang , Yaoqi Sun , Sam Kwong

Diffusion models have found valuable applications in anomaly detection by capturing the nominal data distribution and identifying anomalies via reconstruction. Despite their merits, they struggle to localize anomalies of varying scales,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Justin Tebbe , Jawad Tayyub

Benefited from the rapid and sustainable development of synthetic aperture radar (SAR) sensors, change detection from SAR images has received increasing attentions over the past few years. Existing unsupervised deep learning-based methods…

Image and Video Processing · Electrical Eng. & Systems 2022-03-15 Junjie Wang , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Object detection is a fundamental and challenging problem in aerial and satellite image analysis. More recently, a two-stage detector Faster R-CNN is proposed and demonstrated to be a promising tool for object detection in optical remote…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Lin Cheng , Xu Liu , Lingling Li , Licheng Jiao , Xu Tang

Dense optical flow estimation is challenging when there are large displacements in a scene with heterogeneous motion dynamics, occlusion, and scene homogeneity. Traditional approaches to handle these challenges include hierarchical and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Ali Salehi , Madhusudhanan Balasubramanian

Dense pixel matching problems such as optical flow and disparity estimation are among the most challenging tasks in computer vision. Recently, several deep learning methods designed for these problems have been successful. A sufficiently…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Ali Salehi , Madhusudhanan Balasubramanian

Detecting objects seamlessly blended into their surroundings represents a complex task for both human cognitive capabilities and advanced artificial intelligence algorithms. Currently, the majority of methodologies for detecting camouflaged…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Jianwei Zhao , Xin Li , Fan Yang , Qiang Zhai , Ao Luo , Zicheng Jiao , Hong Cheng

In this paper, we propose SparseDet for end-to-end 3D object detection from point cloud. Existing works on 3D object detection rely on dense object candidates over all locations in a 3D or 2D grid following the mainstream methods for object…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Jianhong Han , Zhaoyi Wan , Zhe Liu , Jie Feng , Bingfeng Zhou

In the realm of aerial image analysis, object detection plays a pivotal role, with significant implications for areas such as remote sensing, urban planning, and disaster management. This study addresses the inherent challenges in this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Ahmed Sharshar , Aleksandr Matsun

This paper introduces Progressively Diffused Networks (PDNs) for unifying multi-scale context modeling with deep feature learning, by taking semantic image segmentation as an exemplar application. Prior neural networks, such as ResNet, tend…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Ruimao Zhang , Wei Yang , Zhanglin Peng , Xiaogang Wang , Liang Lin

Diffusion models have recently gained prominence as powerful deep generative models, demonstrating unmatched performance across various domains. However, their potential in multi-sensor fusion remains largely unexplored. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Duy-Tho Le , Hengcan Shi , Jianfei Cai , Hamid Rezatofighi