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Synthetic Aperture Radar (SAR) enables submeter-resolution imaging and all-weather monitoring via active microwave and advanced signal processing. Currently, SAR has found extensive applications in critical maritime domains such as ship…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Liangjie Meng , Danxia Li , Jinrong He , Lili Ma , Zhixin Li

This paper proposes a new deep neural network for object detection. The proposed network, termed ASSD, builds feature relations in the spatial space of the feature map. With the global relation information, ASSD learns to highlight useful…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Jingru Yi , Pengxiang Wu , Dimitris N. Metaxas

We propose a neural network for unsupervised anomaly detection with a novel robust subspace recovery layer (RSR layer). This layer seeks to extract the underlying subspace from a latent representation of the given data and removes outliers…

Machine Learning · Computer Science 2022-01-19 Chieh-Hsin Lai , Dongmian Zou , Gilad Lerman

FPGAs provide a flexible and efficient platform to accelerate rapidly-changing algorithms for computer vision. The majority of existing work focuses on accelerating image classification, while other fundamental vision problems, including…

Image and Video Processing · Electrical Eng. & Systems 2020-03-25 Qijing Huang , Dequan Wang , Yizhao Gao , Yaohui Cai , Zhen Dong , Bichen Wu , Kurt Keutzer , John Wawrzynek

Traditional change detection methods based on convolutional neural networks (CNNs) face the challenges of speckle noise and deformation sensitivity for synthetic aperture radar images. To mitigate these issues, we proposed a Multiscale…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Yunhao Gao , Feng Gao , Junyu Dong , Heng-Chao Li

Typical person re-identification (re-ID) methods train a deep CNN to extract deep features and combine them with a distance metric for the final evaluation. In this work, we focus on exploiting the full information encoded in the deep…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Yong Liu , Lin Shang , Andy Song

Due to limited size and imperfect of the optical components in a spectrometer, aberration has inevitably been brought into two-dimensional multi-fiber spectrum image in LAMOST, which leads to obvious spacial variation of the point spread…

Instrumentation and Methods for Astrophysics · Physics 2020-10-28 Jiali Xu , Qian Yin , Ping Guo , Xin Zheng

Visual localization, which estimates a camera's pose within a known scene, is a fundamental capability for autonomous systems. While absolute pose regression (APR) methods have shown promise for efficient inference, they often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Sihang Li , Siqi Tan , Bowen Chang , Jing Zhang , Chen Feng , Yiming Li

As a cost-effective and robust technology, automotive radar has seen steady improvement during the last years, making it an appealing complement to commonly used sensors like camera and LiDAR in autonomous driving. Radio frequency data with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Yuzhi Wu , Jun Liu , Guangfeng Jiang , Weijian Liu , Danilo Orlando

To satisfy the rapidly increasing demands on the large image (2K-8K) super-resolution (SR), prevailing methods follow two independent tracks: 1) accelerate existing networks by content-aware routing, and 2) design better super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Yan Wang , Yi Liu , Shijie Zhao , Junlin Li , Li Zhang

Facial features are defined as the local relationships that exist amongst the pixels of a facial image. Hand-crafted descriptors identify the relationships of the pixels in the local neighbourhood defined by the kernel. Kernel is a two…

Multimedia · Computer Science 2022-01-05 Soumendu Chakraborty , Satish Kumar Singh , Pavan Chakraborty

In this letter, we propose a pseudo-siamese convolutional neural network (CNN) architecture that enables to solve the task of identifying corresponding patches in very-high-resolution (VHR) optical and synthetic aperture radar (SAR) remote…

Image and Video Processing · Electrical Eng. & Systems 2018-05-23 Lloyd H. Hughes , Michael Schmitt , Lichao Mou , Yuanyuan Wang , Xiao Xiang Zhu

Representing the spatial properties of facial attributes is a vital challenge for facial attribute recognition (FAR). Recent advances have achieved the reliable performances for FAR, benefiting from the description of spatial properties via…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Chuanfei Hu , Hang Shao , Bo Dong , Zhe Wang , Yongxiong Wang

Modern object detectors are vulnerable to adversarial examples, which brings potential risks to numerous applications, e.g., self-driving car. Among attacks regularized by $\ell_p$ norm, $\ell_0$-attack aims to modify as few pixels as…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yichi Zhang , Zijian Zhu , Xiao Yang , Jun Zhu

Integrating high-level context information with low-level details is of central importance in semantic segmentation. Towards this end, most existing segmentation models apply bilinear up-sampling and convolutions to feature maps of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Hanzhe Hu , Yinbo Chen , Jiarui Xu , Shubhankar Borse , Hong Cai , Fatih Porikli , Xiaolong Wang

Recent works have shown that exploiting multi-scale representations deeply learned via convolutional neural networks (CNN) is of tremendous importance for accurate contour detection. This paper presents a novel approach for predicting…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Dan Xu , Wanli Ouyang , Xavier Alameda-Pineda , Elisa Ricci , Xiaogang Wang , Nicu Sebe

Previous studies have shown the great potential of capsule networks for the spatial contextual feature extraction from {hyperspectral images (HSIs)}. However, the sampling locations of the convolutional kernels of capsules are fixed and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Jinping Wang , Xiaojun Tan , Jianhuang Lai , Jun Li , Canqun Xiang

Deformable image registration establishes non-linear spatial correspondences between fixed and moving images. Deep learning-based deformable registration methods have been widely studied in recent years due to their speed advantage over…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yihao Liu , Junyu Chen , Lianrui Zuo , Aaron Carass , Jerry L. Prince

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yukai Shi , Jinghui Qin

The implementation of automatic image registration is still difficult in various applications. In this paper, an automatic image registration approach through line-support region segmentation and geometrical outlier removal (ALRS-GOR) is…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Ming Zhao , Yongpeng Wu , Shengda Pan , Fan Zhou , Bowen An , André Kaup