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RGB-Thermal salient object detection (SOD) combines two spectra to segment visually conspicuous regions in images. Most existing methods use boundary maps to learn the sharp boundary. These methods ignore the interactions between isolated…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Heng Zhou , Chunna Tian , Zhenxi Zhang , Chengyang Li , Yuxuan Ding , Yongqiang Xie , Zhongbo Li

Person re-identification is a key challenge for surveillance across multiple sensors. Prompted by the advent of powerful deep learning models for visual recognition, and inexpensive RGB-D cameras and sensor-rich mobile robotic platforms,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Frank Hafner , Amran Bhuiyan , Julian F. P. Kooij , Eric Granger

Visible (VIS) to near infrared (NIR) face matching is a challenging problem due to the significant domain discrepancy between the domains and a lack of sufficient data for training cross-modal matching algorithms. Existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Xiang Wu , Huaibo Huang , Vishal M. Patel , Ran He , Zhenan Sun

Person re-identification aims to identify a specific person at distinct times and locations. It is challenging because of occlusion, illumination, and viewpoint change in camera views. Recently, multi-shot person re-id task receives more…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Ting-Yao Hu , Xiaojun Chang , Alexander G. Hauptmann

Face recognition is a popular application of pat- tern recognition methods, and it faces challenging problems including illumination, expression, and pose. The most popular way is to learn the subspaces of the face images so that it could…

Computer Vision and Pattern Recognition · Computer Science 2014-02-25 Huanguo Zhang , Sha Lv , Wei Li , Xun Qu

Image representation and classification are two fundamental tasks towards multimedia content retrieval and understanding. The idea that shape and texture information (e.g. edge or orientation) are the key features for visual representation…

Computer Vision and Pattern Recognition · Computer Science 2015-08-04 Sheng Guo , Weilin Huang , Yu Qiao

We present a differentiable ray-tracing based novel face reconstruction approach where scene attributes - 3D geometry, reflectance (diffuse, specular and roughness), pose, camera parameters, and scene illumination - are estimated from…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Abdallah Dib , Gaurav Bharaj , Junghyun Ahn , Cédric Thébault , Philippe-Henri Gosselin , Marco Romeo , Louis Chevallier

Weakly supervised semantic segmentation (WSSS) methods using class labels often rely on class activation maps (CAMs) to localize objects. However, traditional CAM-based methods struggle with partial activations and imprecise object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Dewen Zeng , Xinrong Hu , Yu-Jen Chen , Yawen Wu , Xiaowei Xu , Yiyu Shi

Low-resolution face recognition is a challenging task due to the missing of informative details. Recent approaches based on knowledge distillation have proven that high-resolution clues can well guide low-resolution face recognition via…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ruixin Shi , Weijia Guo , Shiming Ge

Recent deep learning based face recognition methods have achieved great performance, but it still remains challenging to recognize very low-resolution query face like 28x28 pixels when CCTV camera is far from the captured subject. Such face…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Hanyang Kong , Jian Zhao , Xiaoguang Tu , Junliang Xing , Shengmei Shen , Jiashi Feng

Face identification/recognition has significantly advanced over the past years. However, most of the proposed approaches rely on static RGB frames and on neutral facial expressions. This has two disadvantages. First, important facial shape…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Konstantinos Papadopoulos , Anis Kacem , Abdelrahman Shabayek , Djamila Aouada

LiDAR based place recognition is popular for loop closure detection and re-localization. In recent years, deep learning brings improvements to place recognition by learnable feature extraction. However, these methods degenerate when the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Sha Lu , Xuecheng Xu , Li Tang , Rong Xiong , Yue Wang

2D face analysis techniques, such as face landmarking, face recognition and face verification, are reasonably dependent on illumination conditions which are usually uncontrolled and unpredictable in the real world. An illumination robust…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Wuming Zhang , Xi Zhao , Jean-Marie Morvan , Liming Chen

Face signatures, including size, shape, texture, skin tone, eye color, appearance, and scars/marks, are widely used as discriminative, biometric information for access control. Despite recent advancements in facial recognition systems,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Jennifer Hamblin , Kshitij Nikhal , Benjamin S. Riggan

Recent progress in contrastive learning has revolutionized unsupervised representation learning. Concretely, multiple views (augmentations) from the same image are encouraged to map to the similar embeddings, while views from different…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Nanxuan Zhao , Zhirong Wu , Rynson W. H. Lau , Stephen Lin

Low-dose Computed Tomography is a common issue in reality. Current reduction, sparse sampling and limited-view scanning can all cause it. Between them, limited-view CT is general in the industry due to inevitable mechanical and physical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-20 Ken Deng , Chang Sun , Yitong Liu , Hongwen Yang

Image recognition is a classic and common task in the computer vision field, which has been widely applied in the past decade. Most existing methods in literature aim to learn discriminative features from labeled images for classification,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Jiayin Sun , Hong Wang , Qiulei Dong

Person re-identification (Re-ID) in real-world scenarios usually suffers from various degradation factors, e.g., low-resolution, weak illumination, blurring and adverse weather. On the one hand, these degradations lead to severe…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Yukun Huang , Zheng-Jun Zha , Xueyang Fu , Richang Hong , Liang Li

Difference features obtained by comparing the images of two periods play an indispensable role in the change detection (CD) task. However, a pair of bi-temporal images can exhibit diverse changes, which may cause various difference…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Dan Wang , Licheng Jiao , Jie Chen , Shuyuan Yang , Fang Liu

A powerful way to adapt a visual recognition model to a new domain is through image translation. However, common image translation approaches only focus on generating data from the same distribution as the target domain. Given a cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Heitor Rapela Medeiros , Fidel A. Guerrero Pena , Masih Aminbeidokhti , Thomas Dubail , Eric Granger , Marco Pedersoli