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Video large language models have achieved remarkable performance in tasks such as video question answering, however, their temporal understanding remains suboptimal. To address this limitation, we curate a dedicated instruction fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yunxiao Wang , Meng Liu , Wenqi Liu , Xuemeng Song , Bin Wen , Fan Yang , Tingting Gao , Di Zhang , Guorui Zhou , Liqiang Nie

This paper examines the performance of a Spatial Pooler (SP) of a Hierarchical Temporal Memory (HTM) in the task of noisy object recognition. To address this challenge, a dedicated custom-designed system based on the SP, histogram…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Maciej Wielgosz , Marcin Pietroń

Video monocular depth estimation is essential for applications such as autonomous driving, AR/VR, and robotics. Recent transformer-based single-image monocular depth estimation models perform well on single images but struggle with depth…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Sunghun Yang , Minhyeok Lee , Suhwan Cho , Jungho Lee , Sangyoun Lee

Controllable video generation has emerged as a versatile tool for autonomous driving, enabling realistic synthesis of traffic scenarios. However, existing methods depend on control signals at inference time to guide the generative model…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Mirlan Karimov , Teodora Spasojevic , Markus Braun , Julian Wiederer , Vasileios Belagiannis , Marc Pollefeys

As video generation models advance rapidly, assessing the quality of generated videos has become increasingly critical. Existing metrics, such as Fr\'echet Video Distance (FVD), Inception Score (IS), and ClipSim, measure quality primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Zihan Wang , Songlin Li , Lingyan Hao , Xinyu Hu , Bowen Song

Efficient spatiotemporal modeling is an important yet challenging problem for video action recognition. Existing state-of-the-art methods exploit neighboring feature differences to obtain motion clues for short-term temporal modeling with a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Haisheng Su , Kunchang Li , Jinyuan Feng , Dongliang Wang , Weihao Gan , Wei Wu , Yu Qiao

Deep learning-based video salient object detection has recently achieved great success with its performance significantly outperforming any other unsupervised methods. However, existing data-driven approaches heavily rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Pengxiang Yan , Guanbin Li , Yuan Xie , Zhen Li , Chuan Wang , Tianshui Chen , Liang Lin

Gaze is an essential prompt for analyzing human behavior and attention. Recently, there has been an increasing interest in determining gaze direction from facial videos. However, video gaze estimation faces significant challenges, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Swati Jindal , Mohit Yadav , Roberto Manduchi

Most of the standard image and video codecs are block-based and depending upon the compression ratio the compressed images/videos suffer from different distortions. At low ratios, blurriness is observed and as compression increases blocking…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Maryam Viqar , Athar A. Moinuddin , Ekram Khan , M. Ghanbari

We leverage unsupervised learning of depth, egomotion, and camera intrinsics to improve the performance of single-image semantic segmentation, by enforcing 3D-geometric and temporal consistency of segmentation masks across video frames. The…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Ankita Pasad , Ariel Gordon , Tsung-Yi Lin , Anelia Angelova

Despite the recent advances in video classification, progress in spatio-temporal action recognition has lagged behind. A major contributing factor has been the prohibitive cost of annotating videos frame-by-frame. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Anurag Arnab , Chen Sun , Arsha Nagrani , Cordelia Schmid

Identifying the regions of a learning resource that a learner pays attention to is crucial for assessing the material's impact and improving its design and related support systems. Saliency detection in videos addresses the automatic…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Evelyn Navarrete , Ralph Ewerth , Anett Hoppe

In low-level video analyses, effective representations are important to derive the correspondences between video frames. These representations have been learned in a self-supervised fashion from unlabeled images or videos, using carefully…

Computer Vision and Pattern Recognition · Computer Science 2023-06-23 Rui Li , Dong Liu

Automated video-based assessment of surgical skills is a promising task in assisting young surgical trainees, especially in poor-resource areas. Existing works often resort to a CNN-LSTM joint framework that models long-term relationships…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Zhenqiang Li , Lin Gu , Weimin Wang , Ryosuke Nakamura , Yoichi Sato

The core challenge in video understanding lies in perceiving dynamic content changes over time. However, multimodal large language models struggle with temporal-sensitive video tasks, which requires generating timestamps to mark the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Henghao Zhao , Ge-Peng Ji , Rui Yan , Huan Xiong , Zechao Li

Motion estimation is one of the important procedures in the all video encoders. Most of the complexity of the video coder depends on the complexity of the motion estimation step. The original motion estimation algorithm has a remarkable…

Image and Video Processing · Electrical Eng. & Systems 2018-03-14 Amin Banitalebi , Said Nader-Esfahani , Alireza Nasiri Avanaki

As an important and challenging problem in computer vision, video saliency detection is typically cast as a spatiotemporal context modeling problem over consecutive frames. As a result, a key issue in video saliency detection is how to…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Lina Wei , Fangfang Wang , Xi Li , Fei Wu , Jun Xiao

Existing methods of multi-person video 3D human Pose and Shape Estimation (PSE) typically adopt a two-stage strategy, which first detects human instances in each frame and then performs single-person PSE with temporal model. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Zhongwei Qiu , Yang Qiansheng , Jian Wang , Haocheng Feng , Junyu Han , Errui Ding , Chang Xu , Dongmei Fu , Jingdong Wang

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

Temporal action segmentation is a topic of increasing interest, however, annotating each frame in a video is cumbersome and costly. Weakly supervised approaches therefore aim at learning temporal action segmentation from videos that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohsen Fayyaz , Juergen Gall