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Camouflaged object detection (COD) primarily focuses on learning subtle yet discriminative representations from complex scenes. Existing methods predominantly follow the parametric feedforward architecture based on static visual…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Chenxi Zhang , Jiayun Wu , Qing Zhang , Yazhe Zhai , Youwei Pang

Nonverbal communication, in particular eye contact, is a critical element of the music classroom, shown to keep students on task, coordinate musical flow, and communicate improvisational ideas. Unfortunately, this nonverbal aspect to…

Human-Computer Interaction · Computer Science 2021-05-24 Ross Greer , Shlomo Dubnov

This paper presents a new technique for providing the analysis and comparison of wiretap codes in the small blocklength regime over the binary erasure wiretap channel. A major result is the development of Monte Carlo strategies for…

Information Theory · Computer Science 2017-01-20 Jack Pfister , Marco A. C. Gomes , Joao P. Vilela , Willie K. Harrison

We design short blocklength codes for the Gaussian wiretap channel under information-theoretic security guarantees. Our approach consists in decoupling the reliability and secrecy constraints in our code design. Specifically, we handle the…

Information Theory · Computer Science 2023-01-24 Vidhi Rana , Remi A. Chou

Object encoding and identification are crucial for many robotic tasks such as autonomous exploration and semantic relocalization. Existing works heavily rely on the tracking of detected objects but have difficulty recalling revisited…

Robotics · Computer Science 2022-01-27 Kuan Xu , Chen Wang , Chao Chen , Wei Wu , Sebastian Scherer

Unsupervised person re-identification (Re-ID) aims to retrieve person images across cameras without any identity labels. Most clustering-based methods roughly divide image features into clusters and neglect the feature distribution noise…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Pengna Li , Kangyi Wu , Sanping Zhou. Qianxin Huang , Jinjun Wang

This paper addresses the issue of the real-time tracking quality of moving objects in large-scale video surveillance systems. During the tracking process, the system assigns an identifier or label to each tracked object to distinguish it…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ala-Eddine Benrazek , Zineddine Kouahla , Brahim Farou , Hamid Seridi , Imane Allele

Fully-unsupervised Person and Vehicle Re-Identification have received increasing attention due to their broad applicability in surveillance, forensics, event understanding, and smart cities, without requiring any manual annotation. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Gabriel Bertocco , Fernanda Andaló , Terrance E. Boult , Anderson Rocha

Gaze may enhance the robustness of lie detectors but remains under-studied. This study evaluated the efficacy of AI models (using fixations, saccades, blinks, and pupil size) for detecting deception in Concealed Information Tests across two…

Human-Computer Interaction · Computer Science 2025-05-06 Valentin Foucher , Santiago de Leon-Martinez , Robert Moro

Current multimodal large language models (MLLMs) cannot effectively utilize eye-gaze information for video understanding, even when gaze cues are supplied via visual overlays or text descriptions. We introduce GazeQwen, a parameter…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Trong Thang Pham , Hien Nguyen , Ngan Le

Gaze understanding unifies the detection of people, their gaze targets, and objects of interest into a single framework, offering critical insight into visual attention and intent estimation. Although prior research has modelled gaze cues…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Athul M. Mathew , Haithem Hermassi , Thariq Khalid , Arshad Ali Khan

Imitation learning for acquiring generalizable policies often requires a large volume of demonstration data, making the process significantly costly. One promising strategy to address this challenge is to leverage the cognitive and…

Robotics · Computer Science 2025-06-09 Yutaro Ishida , Takamitsu Matsubara , Takayuki Kanai , Kazuhiro Shintani , Hiroshi Bito

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

Gaze tracking is a useful human-to-computer interface, which plays an increasingly important role in a range of mobile applications. Gaze calibration is an indispensable component of gaze tracking, which transforms the eye coordinates to…

Human-Computer Interaction · Computer Science 2022-10-03 Songzhou Yang , Meng Jin , Yuan He

Due to the optical properties, transparent objects often lead depth cameras to generate incomplete or invalid depth data, which in turn reduces the accuracy and reliability of robotic grasping. Existing approaches typically input the RGB-D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Yaofeng Cheng , Xinkai Gao , Sen Zhang , Chao Zeng , Fusheng Zha , Lining Sun , Chenguang Yang

Loop closure detection, the task of identifying locations revisited by a robot in a sequence of odometry and perceptual observations, is typically formulated as a combination of two subtasks: (1) bag-of-words image retrieval and (2)…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Kanji Tanaka

Loop Closure Detection (LCD) has been proved to be extremely useful in global consistent visual Simultaneously Localization and Mapping (SLAM) and appearance-based robot relocalization. Methods exploiting binary features in bag of words…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Lei Han , Lu Fang

The reliability of secure graphic verification, a key anti-counterfeiting tool, is undermined by poor image acquisition on smartphones. Uncontrolled user captures of these high-entropy patterns cause high false rejection rates, creating a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Cas Steigstra , Sergey Milyaev , Shaodi You

Visual gaze estimation, with its wide-ranging application scenarios, has garnered increasing attention within the research community. Although existing approaches infer gaze solely from image signals, recent advances in visual-language…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jun Wang , Hao Ruan , Liangjian Wen , Yong Dai , Mingjie Wang

Pre-trained vision-language models like CLIP have recently shown superior performances on various downstream tasks, including image classification and segmentation. However, in fine-grained image re-identification (ReID), the labels are…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Siyuan Li , Li Sun , Qingli Li