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This work presents the first condensation approach for procedural video datasets used in temporal action segmentation. We propose a condensation framework that leverages generative prior learned from the dataset and network inversion to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Guodong Ding , Rongyu Chen , Angela Yao

LiDAR semantic segmentation essential for advanced autonomous driving is required to be accurate, fast, and easy-deployed on mobile platforms. Previous point-based or sparse voxel-based methods are far away from real-time applications since…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Xiaoyan Li , Gang Zhang , Hongyu Pan , Zhenhua Wang

Deep learning relies heavily on data augmentation to mitigate limited data, especially in medical imaging. Recent multimodal learning integrates text and images for segmentation, known as referring or text-guided image segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Shurong Chai , Rahul Kumar JAIN , Rui Xu , Shaocong Mo , Ruibo Hou , Shiyu Teng , Jiaqing Liu , Lanfen Lin , Yen-Wei Chen

Processing overlapping narrative documents, such as legal testimonies or historical accounts, often aims not for compression but for a unified, coherent, and chronologically sound text. Standard Multi-Document Summarization (MDS), with its…

Computation and Language · Computer Science 2025-12-23 Roger A. Finger , Eduardo G. Cortes , Sandro J. Rigo , Gabriel de O. Ramos

Language-augmented scene representations hold great promise for large-scale robotics applications such as search-and-rescue, smart cities, and mining. Many of these scenarios are time-sensitive, requiring rapid scene encoding while also…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Laszlo Szilagyi , Francis Engelmann , Jeannette Bohg

Moving object segmentation (MOS) on LiDAR point clouds is crucial for autonomous systems like self-driving vehicles. Previous supervised approaches rely heavily on costly manual annotations, while LiDAR sequences naturally capture temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Ziliang Miao , Runjian Chen , Yixi Cai , Buwei He , Wenquan Zhao , Wenqi Shao , Bo Zhang , Fu Zhang

Temporal action localization is a recently-emerging task, aiming to localize video segments from untrimmed videos that contain specific actions. Despite the remarkable recent progress, most two-stage action localization methods still suffer…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 Guoqiang Gong , Liangfeng Zheng , Kun Bai , Yadong Mu

Temporal action detection (TAD) aims to detect all action boundaries and their corresponding categories in an untrimmed video. The unclear boundaries of actions in videos often result in imprecise predictions of action boundaries by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Dingfeng Shi , Qiong Cao , Yujie Zhong , Shan An , Jian Cheng , Haogang Zhu , Dacheng Tao

Irregular multivariate time series data is characterized by varying time intervals between consecutive observations of measured variables/signals (i.e., features) and varying sampling rates (i.e., recordings/measurement) across these…

Machine Learning · Computer Science 2024-04-26 Xingyu Chen , Xiaochen Zheng , Amina Mollaysa , Manuel Schürch , Ahmed Allam , Michael Krauthammer

Traditional temporal action detection (TAD) usually handles untrimmed videos with small number of action instances from a single label (e.g., ActivityNet, THUMOS). However, this setting might be unrealistic as different classes of actions…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Jing Tan , Xiaotong Zhao , Xintian Shi , Bin Kang , Limin Wang

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

LiDAR representation learning aims to extract rich structural and semantic information from large-scale, readily available datasets, reducing reliance on costly human annotations. However, existing LiDAR representation strategies often…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Xiang Xu , Lingdong Kong , Song Wang , Chuanwei Zhou , Qingshan Liu

It is a crucial step to achieve effective semantic segmentation of lane marking during the construction of the lane level high-precision map. In recent years, many image semantic segmentation methods have been proposed. These methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Ruochen Yin , Biao Yu , Huapeng Wu , Yutao Song , Runxin Niu

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

Gait recognition is a biometric technology that identifies individuals by using walking patterns. Due to the significant achievements of multimodal fusion in gait recognition, we consider employing LiDAR-camera fusion to obtain robust gait…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Yunze Deng , Haijun Xiong , Bin Feng

This paper addresses the challenge of perceiving complete object shapes through visual perception. While prior studies have demonstrated encouraging outcomes in segmenting the visible parts of objects within a scene, amodal segmentation, in…

Robotics · Computer Science 2024-08-07 Jinyu Zhang , Yongchong Gu , Jianxiong Gao , Haitao Lin , Qiang Sun , Xinwei Sun , Xiangyang Xue , Yanwei Fu

Despite their success, Segment Anything Models (SAMs) experience significant performance drops on severely degraded, low-quality images, limiting their effectiveness in real-world scenarios. To address this, we propose GleSAM, which…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Guangqian Guo , Yong Guo , Xuehui Yu , Wenbo Li , Yaoxing Wang , Shan Gao

Temporal action detection (TAD) is challenging, yet fundamental for real-world video applications. Recently, DETR-based models for TAD have been prevailing thanks to their unique benefits. However, transformers demand a huge dataset, and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Jihwan Kim , Miso Lee , Jae-Pil Heo

Robust road segmentation is a key challenge in self-driving research. Though many image-based methods have been studied and high performances in dataset evaluations have been reported, developing robust and reliable road segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Huafeng Liu , Yazhou Yao , Zeren Sun , Xiangrui Li , Ke Jia , Zhenmin Tang

Real-time semantic video segmentation is a challenging task due to the strict requirements of inference speed. Recent approaches mainly devote great efforts to reducing the model size for high efficiency. In this paper, we rethink this…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Junyi Feng , Songyuan Li , Xi Li , Fei Wu , Qi Tian , Ming-Hsuan Yang , Haibin Ling