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The COVID-19 pandemic has undoubtedly changed the standards and affected all aspects of our lives, especially social communication. It has forced people to extensively wear medical face masks, in order to prevent transmission. This face…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Nikolaos Kegkeroglou , Panagiotis P. Filntisis , Petros Maragos

It can be challenging to identify brain MRI anomalies using supervised deep-learning techniques due to anatomical heterogeneity and the requirement for pixel-level labeling. Unsupervised anomaly detection approaches provide an alternative…

Image and Video Processing · Electrical Eng. & Systems 2023-08-30 Hasan Iqbal , Umar Khalid , Jing Hua , Chen Chen

Albeit the recent progress in single image 3D human pose estimation due to the convolutional neural network, it is still challenging to handle real scenarios such as highly occluded scenes. In this paper, we propose to address the problem…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Xiang Guo , Yuchao Dai

Deep learning-based object recognition systems can be easily fooled by various adversarial perturbations. One reason for the weak robustness may be that they do not have part-based inductive bias like the human recognition process.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiao Li , Yining Liu , Na Dong , Sitian Qin , Xiaolin Hu

Deep metric learning aims to learn features relying on the consistency or divergence of class labels. However, in monocular depth estimation, the absence of a natural definition of class poses challenges in the leveraging of deep metric…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Chunpu Liu , Guanglei Yang , Wangmeng Zuo , Tianyi Zan

Occluded face detection is a challenging detection task due to the large appearance variations incurred by various real-world occlusions. This paper introduces an Adversarial Occlusion-aware Face Detector (AOFD) by simultaneously detecting…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Yujia Chen , Lingxiao Song , Ran He

Various hand-crafted features and metric learning methods prevail in the field of person re-identification. Compared to these methods, this paper proposes a more general way that can learn a similarity metric from image pixels directly. By…

Computer Vision and Pattern Recognition · Computer Science 2014-07-21 Dong Yi , Zhen Lei , Stan Z. Li

Occluded person re-identification (re-ID) presents a challenging task due to occlusion perturbations. Although great efforts have been made to prevent the model from being disturbed by occlusion noise, most current solutions only capture…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Neng Dong , Shuanglin Yan , Hao Tang , Jinhui Tang , Liyan Zhang

The goal of person search is to localize and match query persons from scene images. For high efficiency, one-step methods have been developed to jointly handle the pedestrian detection and identification sub-tasks using a single network.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Chuchu Han , Zhedong Zheng , Changxin Gao , Nong Sang , Yi Yang

In this paper, we tackle the problem of human de-occlusion which reasons about occluded segmentation masks and invisible appearance content of humans. In particular, a two-stage framework is proposed to estimate the invisible portions and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Qiang Zhou , Shiyin Wang , Yitong Wang , Zilong Huang , Xinggang Wang

In the realm of human-machine interaction, artificial intelligence has become a powerful tool for accelerating data modeling tasks. Object detection methods have achieved outstanding results and are widely used in critical domains like…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Alain Andres , Aitor Martinez-Seras , Ibai Laña , Javier Del Ser

One major issue that challenges person re-identification (Re-ID) is the ubiquitous occlusion over the captured persons. There are two main challenges for the occluded person Re-ID problem, i.e., the interference of noise during feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Boqiang Xu , Lingxiao He , Jian Liang , Zhenan Sun

This paper proposes an introspective deep metric learning (IDML) framework for uncertainty-aware comparisons of images. Conventional deep metric learning methods produce confident semantic distances between images regardless of the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Wenzhao Zheng , Chengkun Wang , Jie Zhou , Jiwen Lu

Identifying the same individual across different scenes is an important yet difficult task in intelligent video surveillance. Its main difficulty lies in how to preserve similarity of the same person against large appearance and structure…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Shengyong Ding , Liang Lin , Guangrun Wang , Hongyang Chao

Person re-identification (Re-ID) usually suffers from noisy samples with background clutter and mutual occlusion, which makes it extremely difficult to distinguish different individuals across the disjoint camera views. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Sanping Zhou , Jinjun Wang , Deyu Meng , Xiaomeng Xin , Yubing Li , Yihong Gong , Nanning Zheng

Face recognition in real-time scenarios is mainly affected by illumination, expression and pose variations and also by occlusion. This paper presents the framework for pose adaptive component-based face recognition system. The framework…

Computer Vision and Pattern Recognition · Computer Science 2014-03-07 Shireesha Chintalapati , M. V. Raghunadh

Deep Metric Learning (DML) methods aim at learning an embedding space in which distances are closely related to the inherent semantic similarity of the inputs. Previous studies have shown that popular benchmark datasets often contain…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Oriol Barbany , Xiaofan Lin , Muhammet Bastan , Arnab Dhua

Multi-frame human pose estimation in complicated situations is challenging. Although state-of-the-art human joints detectors have demonstrated remarkable results for static images, their performances come short when we apply these models to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Zhenguang Liu , Haoming Chen , Runyang Feng , Shuang Wu , Shouling Ji , Bailin Yang , Xun Wang

In response to the global COVID-19 pandemic, there has been a critical demand for protective measures, with face masks emerging as a primary safeguard. The approach involves a two-fold strategy: first, recognizing the presence of a face by…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 R. Chinnaiyan , Iyyappan M , Al Raiyan Shariff A , Kondaveeti Sai , Mallikarjunaiah B M , P Bharath

Adjusting transparency is a common method of mitigating occlusion but is often detrimental for understanding the relative depth relationships between objects as well as removes potentially important information from the occluding object. We…

Human-Computer Interaction · Computer Science 2025-07-01 George Bell , Alma Cantu