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Extracting real-time insights from multi-modal data streams from various domains such as healthcare, intelligent transportation, and satellite remote sensing remains a challenge. High computational demands and limited knowledge scope…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Murugan Sankaradas , Ravi K. Rajendran , Srimat T. Chakradhar

While Video Large Language Models (Video-LLMs) have demonstrated remarkable performance across general video understanding benchmarks-particularly in video captioning and descriptive tasks-they consistently underperform on tasks that…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Sameep Vani , Shreyas Jena , Maitreya Patel , Chitta Baral , Somak Aditya , Yezhou Yang

Vision-language-action (VLA) models have demonstrated exceptional performance in natural language-driven perception and control. However, the high computational cost of VLA models poses significant efficiency challenges, particularly for…

Point-supervised Temporal Action Localization (PTAL) adopts a lightly frame-annotated paradigm (\textit{i.e.}, labeling only a single frame per action instance) to train a model to effectively locate action instances within untrimmed…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuqing Liu , Yuankai Qi , Qingming Huang

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan

User response prediction, which models the user preference w.r.t. the presented items, plays a key role in online services. With two-decade rapid development, nowadays the cumulated user behavior sequences on mature Internet service…

Information Retrieval · Computer Science 2019-05-14 Kan Ren , Jiarui Qin , Yuchen Fang , Weinan Zhang , Lei Zheng , Weijie Bian , Guorui Zhou , Jian Xu , Yong Yu , Xiaoqiang Zhu , Kun Gai

Human parsing has recently attracted a lot of research interests due to its huge application potentials. However existing datasets have limited number of images and annotations, and lack the variety of human appearances and the coverage of…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ke Gong , Xiaodan Liang , Dongyu Zhang , Xiaohui Shen , Liang Lin

Algorithmic Recourse (AR) is the problem of computing a sequence of actions that -- once performed by a user -- overturns an undesirable machine decision. It is paramount that the sequence of actions does not require too much effort for…

Machine Learning · Computer Science 2024-01-24 Giovanni De Toni , Paolo Viappiani , Stefano Teso , Bruno Lepri , Andrea Passerini

Autoregressive video generation has improved rapidly in visual fidelity and interactivity, but it still suffers from long-term inconsistency and memory degradation. Most existing solutions either compress historical frames using predefined…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jinzhuo Liu , Jiangning Zhang , Wencan Jiang , Yabiao Wang , Dingkang Liang , Zhucun Xue , Ran Yi , Yong Liu

Immersive video offers the freedom to navigate inside virtualized environment. Instead of streaming the bulky immersive videos entirely, a viewport (also referred to as field of view, FoV) adaptive streaming is preferred. We often stream…

Multimedia · Computer Science 2018-02-19 Shaowei Xie , Qiu Shen , Yiling Xu , Qiaojian Qian , Shaowei Wang , Zhan Ma , Wenjun Zhang

Large language models (LLMs) have shown that generative pretraining can distill vast world knowledge into compact token representations. While LLMs encapsulate extensive world knowledge, they remain limited in modeling the behavioral…

Machine Learning · Computer Science 2026-03-31 Guilin Li , Yun Zhang , Xiuyuan Chen , Chengqi Li , Bo Wang , Linghe Kong , Wenjia Wang , Weiran Huang , Matthias Hwai Yong Tan

Personalized AI agents are becoming central to modern information retrieval, yet most evaluation methodologies remain static, relying on fixed benchmarks and one-off metrics that fail to reflect how users' needs evolve over time. These…

Information Retrieval · Computer Science 2025-10-07 Kirandeep Kaur , Preetam Prabhu Srikar Dammu , Hideo Joho , Chirag Shah

Ultra long video understanding remains an open challenge, as existing vision language models (VLMs) falter on such content due to limited context length and inefficient long term memory retention. To address this, recent works have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Hongbo Jin , Qingyuan Wang , Wenhao Zhang , Yang Liu , Sijie Cheng

We present Perceive Anything Model (PAM), a conceptually straightforward and efficient framework for comprehensive region-level visual understanding in images and videos. Our approach extends the powerful segmentation model SAM 2 by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Weifeng Lin , Xinyu Wei , Ruichuan An , Tianhe Ren , Tingwei Chen , Renrui Zhang , Ziyu Guo , Wentao Zhang , Lei Zhang , Hongsheng Li

Temporally language grounding in untrimmed videos is a newly-raised task in video understanding. Most of the existing methods suffer from inferior efficiency, lacking interpretability, and deviating from the human perception mechanism.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Jie Wu , Guanbin Li , Si Liu , Liang Lin

Multimodal Large Language Models (MLLMs) have shown remarkable capabilities in video content understanding but still struggle with fine-grained motion comprehension. To comprehensively assess the motion understanding ability of existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Chongjun Tu , Lin Zhang , Pengtao Chen , Peng Ye , Xianfang Zeng , Wei Cheng , Gang Yu , Tao Chen

As wearable devices like smart glasses integrate Large Multimodal Models (LMMs) into the continuous first-person visual streams of individual users, the evolution of these models into true personal assistants hinges on visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zihui Xue , Ami Baid , Sangho Kim , Mi Luo , Kristen Grauman

Class-incremental learning (CIL) aims to continuously introduce novel categories into a classification system without forgetting previously learned ones, thus adapting to evolving data distributions. Researchers are currently focusing on…

Machine Learning · Computer Science 2024-12-30 Yongchun Qin , Pengfei Fang , Hui Xue

Continual learning (CL) is widely regarded as crucial challenge for lifelong AI. However, existing CL benchmarks, e.g. Permuted-MNIST and Split-CIFAR, make use of artificial temporal variation and do not align with or generalize to the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Zhiqiu Lin , Jia Shi , Deepak Pathak , Deva Ramanan

Recent advances in Speech Large Language Models (Speech LLMs) have led to great progress in speech understanding tasks such as Automatic Speech Recognition (ASR) and Speech Emotion Recognition (SER). However, whether these models can…

Sound · Computer Science 2025-12-01 Chen Li , Peiji Yang , Yicheng Zhong , Jianxing Yu , Zhisheng Wang , Zihao Gou , Wenqing Chen , Jian Yin