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Image identification is one of the most challenging tasks in different areas of computer vision. Scale-invariant feature transform is an algorithm to detect and describe local features in images to further use them as an image matching…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Ebrahim Karami , Mohamed Shehata , Andrew Smith

Deep learning based approaches has achieved great performance in single image super-resolution (SISR). However, recent advances in efficient super-resolution focus on reducing the number of parameters and FLOPs, and they aggregate more…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Fangyuan Kong , Mingxi Li , Songwei Liu , Ding Liu , Jingwen He , Yang Bai , Fangmin Chen , Lean Fu

We propose near-optimal overlay networks based on $d$-regular expander graphs to accelerate decentralized federated learning (DFL) and improve its generalization. In DFL a massive number of clients are connected by an overlay network, and…

Networking and Internet Architecture · Computer Science 2022-01-03 Yifan Hua , Kevin Miller , Andrea L. Bertozzi , Chen Qian , Bao Wang

The Distributed Adaptive Signal Fusion (DASF) framework is a meta-algorithm for computing data-driven spatial filters in a distributed sensing platform with limited bandwidth and computational resources, such as a wireless sensor network.…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Charles Hovine , Alexander Bertrand

The rapid advancements in computer vision have stimulated remarkable progress in face forgery techniques, capturing the dedicated attention of researchers committed to detecting forgeries and precisely localizing manipulated areas.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Yingxin Lai , Zhiming Luo , Zitong Yu

In this paper, we introduce Partial Information Decomposition of Features (PIDF), a new paradigm for simultaneous data interpretability and feature selection. Contrary to traditional methods that assign a single importance value, our…

Machine Learning · Computer Science 2025-11-17 Charles Westphal , Stephen Hailes , Mirco Musolesi

Federated Learning (FL) faces significant challenges with domain shifts in heterogeneous data, degrading performance. Traditional domain generalization aims to learn domain-invariant features, but the federated nature of model averaging…

Machine Learning · Computer Science 2024-05-29 Marc Bartholet , Taehyeon Kim , Ami Beuret , Se-Young Yun , Joachim M. Buhmann

Current medical image classification efforts mainly aim for higher average performance, often neglecting the balance between different classes. This can lead to significant differences in recognition accuracy between classes and obvious…

Image and Video Processing · Electrical Eng. & Systems 2024-06-26 Peng Huang , Shu Hu , Bo Peng , Jiashu Zhang , Xi Wu , Xin Wang

In recent years, the rapid development of generative artificial intelligence technology has significantly lowered the barrier to creating high-quality fake images, posing a serious challenge to information authenticity and credibility.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Haifeng Zhang , Qinghui He , Xiuli Bi , Bo Liu , Chi-Man Pun , Bin Xiao

Local Feature Matching, an essential component of several computer vision tasks (e.g., structure from motion and visual localization), has been effectively settled by Transformer-based methods. However, these methods only integrate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Xinyu Zhang , Li Wang , Zhiqiang Jiang , Kun Dai , Tao Xie , Lei Yang , Wenhao Yu , Yang Shen , Jun Li

Image features detection and description is a longstanding topic in computer vision and pattern recognition areas. The Scale Invariant Feature Transform (SIFT) is probably the most popular and widely demanded feature descriptor which…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Ahmad Pahlavan Tafti , Hamid Hassannia , Zeyun Yu

The enhancement of 3D object detection is pivotal for precise environmental perception and improved task execution capabilities in autonomous driving. LiDAR point clouds, offering accurate depth information, serve as a crucial information…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Leichao Cui , Xiuxian Li , Min Meng , Guangyu Jia

Features play an important role in various visual tasks, especially in visual place recognition applied in perceptual changing environments. In this paper, we address the challenges of place recognition due to dynamics and confusable…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yuxin Tian , Jinyu MIao , Xingming Wu , Haosong Yue , Zhong Liu , Weihai Chen

In this work, we introduce a Denser Feature Network (DenserNet) for visual localization. Our work provides three principal contributions. First, we develop a convolutional neural network (CNN) architecture which aggregates feature maps at…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Dongfang Liu , Yiming Cui , Liqi Yan , Christos Mousas , Baijian Yang , Yingjie Chen

Imitation learning (IL) enables agents to mimic expert behavior without reward signals but faces challenges in cross-domain scenarios with high-dimensional, noisy, and incomplete visual observations. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Minung Kim , Kawon Lee , Jungmo Kim , Sungho Choi , Seungyul Han

The Light Field (LF) deblurring task is a challenging problem as the blur images are caused by different reasons like the camera shake and the object motion. The single image deblurring method is a possible way to solve this problem.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Zeqi Shen , Shuo Zhang , Zhuhao Zhang , Qihua Chen , Xueyao Dong , Youfang Lin

In deep learning, it is usually assumed that the shape of the loss surface is fixed. Differently, a novel concept of deformation operator is first proposed in this paper to deform the loss surface, thereby improving the optimization.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Liangming Chen , Long Jin , Xiujuan Du , Shuai Li , Mei Liu

Convolutional Neural Network (CNN) is a very powerful approach to extract discriminative local descriptors for effective image search. Recent work adopts fine-tuned strategies to further improve the discriminative power of the descriptors.…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Tuan Hoang , Thanh-Toan Do , Dang-Khoa Le Tan , Ngai-Man Cheung

Recently, 3D shape understanding has achieved significant progress due to the advances of deep learning models on various data formats like images, voxels, and point clouds. Among them, point clouds and multi-view images are two…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xinwei He , Silin Cheng , Dingkang Liang , Song Bai , Xi Wang , Yingying Zhu

The convolution layer has been the dominant feature extractor in computer vision for years. However, the spatial aggregation in convolution is basically a pattern matching process that applies fixed filters which are inefficient at modeling…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Han Hu , Zheng Zhang , Zhenda Xie , Stephen Lin