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3D spatial information is known to be beneficial to the semantic segmentation task. Most existing methods take 3D spatial data as an additional input, leading to a two-stream segmentation network that processes RGB and 3D spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Lin-Zhuo Chen , Zheng Lin , Ziqin Wang , Yong-Liang Yang , Ming-Ming Cheng

Multimodal Large Language Models (MLLMs) face significant computational overhead when processing long videos due to the massive number of visual tokens required. To improve efficiency, existing methods primarily reduce redundancy by pruning…

Artificial Intelligence · Computer Science 2026-05-22 Bingjun Luo , Tony Wang , Chaoqi Chen , Xinpeng Ding

Task-oriented semantic communication (SemCom) prioritizes task execution over accurate symbol reconstruction and is well-suited to emerging intelligent applications. Cooperative multi-task SemCom (CMT-SemCom) further improves task execution…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Ahmad Halimi Razlighi , Pallavi Dhingra , Edgar Beck , Bho Matthiesen , Armin Dekorsy

Human-Object Interaction (HOI) detection aims to localize human-object pairs and comprehend their interactions. Recently, two-stage transformer-based methods have demonstrated competitive performance. However, these methods frequently focus…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Jihao Dong , Renjie Pan , Hua Yang

Deep saliency prediction algorithms complement the object recognition features, they typically rely on additional information, such as scene context, semantic relationships, gaze direction, and object dissimilarity. However, none of these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Bahar Aydemir , Ludo Hoffstetter , Tong Zhang , Mathieu Salzmann , Sabine Süsstrunk

Co-occurrent visual pattern makes aggregating contextual information a common paradigm to enhance the pixel representation for semantic image segmentation. The existing approaches focus on modeling the context from the perspective of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Zhenchao Jin , Bin Liu , Qi Chu , Nenghai Yu

Humans usually perceive the world in a multimodal way that vision, touch, sound are utilised to understand surroundings from various dimensions. These senses are combined together to achieve a synergistic effect where the learning is more…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Guanqun Cao , Shan Luo

Collaborative 3D object detection holds significant importance in the field of autonomous driving, as it greatly enhances the perception capabilities of each individual agent by facilitating information exchange among multiple agents.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Zhe Huang , Shuo Wang , Yongcai Wang , Lei Wang

Cooperative perception can significantly improve the perception performance of autonomous vehicles beyond the limited perception ability of individual vehicles by exchanging information with neighbor agents through V2X communication.…

Robotics · Computer Science 2024-02-29 Shunli Ren , Zixing Lei , Zi Wang , Mehrdad Dianati , Yafei Wang , Siheng Chen , Wenjun Zhang

Semantic communication enables intelligent agents to extract meaning (or semantics) of information via interaction, to carry out collaborative tasks. In this paper, we study semantic communication from a topological space perspective, in…

Signal Processing · Electrical Eng. & Systems 2022-11-01 Qiyang Zhao , Mehdi Bennis , Merouane Debbah , Daniel Benevides da Costa

Collaborative perception (CP) is a critical technology in applications like autonomous driving and smart cities. It involves the sharing and fusion of information among sensors to overcome the limitations of individual perception, such as…

Machine Learning · Computer Science 2026-01-09 Mengmeng Zhu , Yuxuan Sun , Yukuan Jia , Wei Chen , Bo Ai , Sheng Zhou

Interactive Machine Learning (IML) shall enable intelligent systems to interactively learn from their end-users, and is quickly becoming more and more important. Although it puts the human in the loop, interactions are mostly performed via…

Human-Computer Interaction · Computer Science 2022-09-08 Sebastian Kiefer , Mareike Hoffmann

This paper proposes a novel contrastive learning framework, called FOCAL, for extracting comprehensive features from multimodal time-series sensing signals through self-supervised training. Existing multimodal contrastive frameworks mostly…

Artificial Intelligence · Computer Science 2023-11-01 Shengzhong Liu , Tomoyoshi Kimura , Dongxin Liu , Ruijie Wang , Jinyang Li , Suhas Diggavi , Mani Srivastava , Tarek Abdelzaher

Dramatic demand for manpower to label pixel-level annotations triggered the advent of unsupervised semantic segmentation. Although the recent work employing the vision transformer (ViT) backbone shows exceptional performance, there is still…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hyun Seok Seong , WonJun Moon , SuBeen Lee , Jae-Pil Heo

Transformer-based methods have achieved remarkable performance in event-based object detection, owing to the global modeling ability. However, they neglect the influence of non-event and noisy regions and process them uniformly, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Nan Yang , Yang Wang , Zhanwen Liu , Meng Li , Yisheng An , Xiangmo Zhao

Image complexity assessment (ICA) is a challenging task in perceptual evaluation due to the subjective nature of human perception and the inherent semantic diversity in real-world images. Existing ICA methods predominantly rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Yuqing Luo , Yixiao Li , Jiang Liu , Jun Fu , Hadi Amirpour , Guanghui Yue , Baoquan Zhao , Padraig Corcoran , Hantao Liu , Wei Zhou

Semantic segmentation is a fundamental task in computer vision that involves dense pixel-wise classification for scene understanding. Despite significant progress, achieving high accuracy while maintaining real-time performance remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Abhinav Sagar

Skeleton-based human action recognition has recently drawn increasing attentions with the availability of large-scale skeleton datasets. The most crucial factors for this task lie in two aspects: the intra-frame representation for joint…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

A major challenge for video semantic segmentation is the lack of labeled data. In most benchmark datasets, only one frame of a video clip is annotated, which makes most supervised methods fail to utilize information from the rest of the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Mingyu Ding , Zhe Wang , Bolei Zhou , Jianping Shi , Zhiwu Lu , Ping Luo

Recent work has demonstrated that imaging systems can be evaluated through the information content of their measurements alone, enabling application-agnostic optical design that avoids computational decoding challenges. Information-Driven…

Image and Video Processing · Electrical Eng. & Systems 2025-07-14 Eric Markley , Henry Pinkard , Leyla Kabuli , Nalini Singh , Laura Waller