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Recognition of Handwritten Mathematical Expressions (HMEs) is a challenging problem because of the ambiguity and complexity of two-dimensional handwriting. Moreover, the lack of large training data is a serious issue, especially for…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Anh Duc Le , Bipin Indurkhya , Masaki Nakagawa

Edge detection is a fundamental technique in various computer vision tasks. Edges are indeed effectively delineated by pixel discontinuity and can offer reliable structural information even in textureless areas. State-of-the-art heavily…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Leng Kai , Zhang Zhijie , Liu Jie , Zed Boukhers , Sui Wei , Cong Yang , Li Zhijun

Semantic segmentation of medical images is pivotal in applications like disease diagnosis and treatment planning. While deep learning has excelled in automating this task, a major hurdle is the need for numerous annotated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2024-09-02 Li Zhang , Basu Jindal , Ahmed Alaa , Robert Weinreb , David Wilson , Eran Segal , James Zou , Pengtao Xie

Training deep networks with limited labeled data while achieving a strong generalization ability is key in the quest to reduce human annotation efforts. This is the goal of semi-supervised learning, which exploits more widely available…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Daiqing Li , Junlin Yang , Karsten Kreis , Antonio Torralba , Sanja Fidler

Important gains have recently been obtained in object detection by using training objectives that focus on {\em hard negative} examples, i.e., negative examples that are currently rated as positive or ambiguous by the detector. These…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 SouYoung Jin , Aruni RoyChowdhury , Huaizu Jiang , Ashish Singh , Aditya Prasad , Deep Chakraborty , Erik Learned-Miller

Usually considered as a classification problem, entity resolution (ER) can be very challenging on real data due to the prevalence of dirty values. The state-of-the-art solutions for ER were built on a variety of learning models (most…

Databases · Computer Science 2019-06-17 Boyi Hou , Qun Chen , Yanyan Wang , Youcef Nafa , Zhanhuai Li

Deep neural network-based image classifications are vulnerable to adversarial perturbations. The image classifications can be easily fooled by adding artificial small and imperceptible perturbations to input images. As one of the most…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Jindong Gu , Hengshuang Zhao , Volker Tresp , Philip Torr

Semantic segmentation tasks based on weakly supervised condition have been put forward to achieve a lightweight labeling process. For simple images that only include a few categories, researches based on image-level annotations have…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Xi Li , Huimin Ma , Sheng Yi , Yanxian Chen

Herein, we present a system for hyperspectral image segmentation that utilizes multiple class--based denoising autoencoders which are efficiently trained. Moreover, we present a novel hyperspectral data augmentation method for labelled HSI…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 John E. Ball , Pan Wei

Hard samples pose a significant challenge in person re-identification (ReID) tasks, particularly in clothing-changing person Re-ID (CC-ReID). Their inherent ambiguity or similarity, coupled with the lack of explicit definitions, makes them…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Hankun Liu , Yujian Zhao , Guanglin Niu

The earth observation industry provides satellite imagery with high spatial resolution and short revisit time. To allow efficient operational employment of these images, automating certain tasks has become necessary. In the defense domain,…

Artificial Intelligence · Computer Science 2022-02-11 Julie Imbert , Gohar Dashyan , Alex Goupilleau , Tugdual Ceillier , Marie-Caroline Corbineau

Semantic segmentation is essential for automating remote sensing analysis in fields like ecology. However, fine-grained analysis of complex aerial or underwater imagery remains an open challenge, even for state-of-the-art models. Progress…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Cesar Borja , Carlos Plou , Ruben Martinez-Cantin , Ana C. Murillo

Existing deep learning real denoising methods require a large amount of noisy-clean image pairs for supervision. Nonetheless, capturing a real noisy-clean dataset is an unacceptable expensive and cumbersome procedure. To alleviate this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Yuanhao Cai , Xiaowan Hu , Haoqian Wang , Yulun Zhang , Hanspeter Pfister , Donglai Wei

Person re-identification (re-ID) has received great success with the supervised learning methods. However, the task of unsupervised cross-domain re-ID is still challenging. In this paper, we propose a Hard Samples Rectification (HSR)…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Chih-Ting Liu , Man-Yu Lee , Tsai-Shien Chen , Shao-Yi Chien

Visual analysis of complex fish habitats is an important step towards sustainable fisheries for human consumption and environmental protection. Deep Learning methods have shown great promise for scene analysis when trained on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Alzayat Saleh , Issam H. Laradji , Dmitry A. Konovalov , Michael Bradley , David Vazquez , Marcus Sheaves

In this paper, we propose Hard Person Identity Mining (HPIM) that attempts to refine the hard example mining to improve the exploration efficacy in person re-identification. It is motivated by following observation: the more attributes some…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Xiao Wang , Ziliang Chen , Rui Yang , Bin Luo , Jin Tang

Vision-based grasp estimation is an essential part of robotic manipulation tasks in the real world. Existing planar grasp estimation algorithms have been demonstrated to work well in relatively simple scenes. But when it comes to complex…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Haozhe Wang , Zhiyang Liu , Lei Zhou , Huan Yin , Marcelo H Ang

Autonomous navigation in unstructured off-road environments is greatly improved by semantic scene understanding. Conventional image processing algorithms are difficult to implement and lack robustness due to a lack of structure and high…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Anthony Medellin , Anant Bhamri , Reza Langari , Swaminathan Gopalswamy

Recently, heterogeneous Graph Neural Networks (GNNs) have become a de facto model for analyzing HGs, while most of them rely on a relative large number of labeled data. In this work, we investigate Contrastive Learning (CL), a key component…

Machine Learning · Computer Science 2021-09-01 Yanqiao Zhu , Yichen Xu , Hejie Cui , Carl Yang , Qiang Liu , Shu Wu

Hypergraph, which allows each hyperedge to encompass an arbitrary number of nodes, is a powerful tool for modeling multi-entity interactions. Hyperedge prediction is a fundamental task that aims to predict future hyperedges or identify…

Social and Information Networks · Computer Science 2025-03-13 Zhenyu Deng , Tao Zhou , Yilin Bi
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