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Vision language models (VLMs) have achieved impressive performance across a variety of computer vision tasks. However, the multimodal reasoning capability has not been fully explored in existing models. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Xintong Zhang , Zhi Gao , Bofei Zhang , Pengxiang Li , Xiaowen Zhang , Yang Liu , Tao Yuan , Yuwei Wu , Yunde Jia , Song-Chun Zhu , Qing Li

Due to the complex nature of human emotions and the diversity of emotion representation methods in humans, emotion recognition is a challenging field. In this research, three input modalities, namely text, audio (speech), and video, are…

Artificial Intelligence · Computer Science 2024-02-13 Minoo Shayaninasab , Bagher Babaali

Decoding human visual neural representations is a challenging task with great scientific significance in revealing vision-processing mechanisms and developing brain-like intelligent machines. Most existing methods are difficult to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Changde Du , Kaicheng Fu , Jinpeng Li , Huiguang He

Multi-sensor fusion is crucial for accurate 3D object detection in autonomous driving, with cameras and LiDAR being the most commonly used sensors. However, existing methods perform sensor fusion in a single view by projecting features from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Rohit Mohan , Daniele Cattaneo , Florian Drews , Abhinav Valada

Multimodal foundation models have significantly improved feature representation by integrating information from multiple modalities, making them highly suitable for a broader set of applications. However, the exploration of multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Kaiwen Zheng , Xuri Ge , Junchen Fu , Jun Peng , Joemon M. Jose

Driver activity classification is crucial for ensuring road safety, with applications ranging from driver assistance systems to autonomous vehicle control transitions. In this paper, we present a novel approach leveraging generalizable…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Ross Greer , Mathias Viborg Andersen , Andreas Møgelmose , Mohan Trivedi

Multi-sensor fusion is essential for an accurate and reliable autonomous driving system. Recent approaches are based on point-level fusion: augmenting the LiDAR point cloud with camera features. However, the camera-to-LiDAR projection…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Zhijian Liu , Haotian Tang , Alexander Amini , Xinyu Yang , Huizi Mao , Daniela Rus , Song Han

Video Action Recognition (VAR) is a challenging task due to its inherent complexities. Though different approaches have been explored in the literature, designing a unified framework to recognize a large number of human actions is still a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Soumyabrata Chaudhuri , Saumik Bhattacharya

Motivated by the success of data-driven convolutional neural networks (CNNs) in object recognition on static images, researchers are working hard towards developing CNN equivalents for learning video features. However, learning video…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Zhenzhong Lan , Dezhong Yao , Ming Lin , Shoou-I Yu , Alexander Hauptmann

Multimodal human action understanding is a significant problem in computer vision, with the central challenge being the effective utilization of the complementarity among diverse modalities while maintaining model efficiency. However, most…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Hongsong Wang , Heng Fei , Bingxuan Dai , Jie Gui

With the rapid growth of surveillance cameras in many public places to mon-itor human activities such as in malls, streets, schools and, prisons, there is a strong demand for such systems to detect violence events automatically. Au-tomatic…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Heyam M. Bin Jahlan , Lamiaa A. Elrefaei

This paper is a brief report to our submission to the VIPriors Action Recognition Challenge. Action recognition has attracted many researchers attention for its full application, but it is still challenging. In this paper, we study previous…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Zhipeng Luo , Dawei Xu , Zhiguang Zhang

Vision-based bird's-eye-view (BEV) 3D object detection has advanced significantly in autonomous driving by offering cost-effectiveness and rich contextual information. However, existing methods often construct BEV representations by…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Jicheng Yuan , Manh Nguyen Duc , Qian Liu , Manfred Hauswirth , Danh Le Phuoc

Accurate 3D object detection for autonomous driving requires complementary sensors. Cameras provide dense semantics but unreliable depth, while millimeter-wave radar offers precise range and velocity measurements with sparse geometry. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Mayank Mayank , Bharanidhar Duraisamy , Florian Geiß , Abhinav Valada

Visual question answering (VQA) is challenging because it requires a simultaneous understanding of both the visual content of images and the textual content of questions. The approaches used to represent the images and questions in a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Zhou Yu , Jun Yu , Jianping Fan , Dacheng Tao

Various types of sensors can be used for Human Activity Recognition (HAR), and each of them has different strengths and weaknesses. Sometimes a single sensor cannot fully observe the user's motions from its perspective, which causes wrong…

Machine Learning · Computer Science 2024-08-05 Duc-Anh Nguyen , Cuong Pham , Nhien-An Le-Khac

Gesture recognition is a hot topic in computer vision and pattern recognition, which plays a vitally important role in natural human-computer interface. Although great progress has been made recently, fast and robust hand gesture…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Hao Tang , Hong Liu , Wei Xiao , Nicu Sebe

Analyzing human affect is vital for human-computer interaction systems. Most methods are developed in restricted scenarios which are not practical for in-the-wild settings. The Affective Behavior Analysis in-the-wild (ABAW) 2021 Contest…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Yue Jin , Tianqing Zheng , Chao Gao , Guoqiang Xu

Ambivalence/hesitancy recognition in unconstrained videos is a challenging problem due to the subtle, multimodal, and context-dependent nature of this behavioral state. In this paper, a multimodal approach for video-level…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Elena Ryumina , Alexandr Axyonov , Dmitry Sysoev , Timur Abdulkadirov , Kirill Almetov , Yulia Morozova , Dmitry Ryumin

Voice Activity Detection (VAD) refers to the problem of distinguishing speech segments from background noise. Numerous approaches have been proposed for this purpose. Some are based on features derived from the power spectral density,…

Sound · Computer Science 2019-03-08 Thomas Drugman , Yannis Stylianou , Yusuke Kida , Masami Akamine