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VLA models have achieved remarkable progress in embodied intelligence; however, their evaluation remains largely confined to simulations or highly constrained real-world settings. This mismatch creates a substantial reality gap, where…

Recent advances in explainable recommendations have explored the integration of language models to analyze natural language rationales for user-item interactions. Despite their potential, existing methods often rely on ID-based…

Machine Learning · Computer Science 2025-12-18 Xinshun Feng , Mingzhe Liu , Yi Qiao , Tongyu Zhu , Leilei Sun , Shuai Wang

Self-supervised learning has drawn attention through its effectiveness in learning in-domain representations with no ground-truth annotations; in particular, it is shown that properly designed pretext tasks (e.g., contrastive prediction…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Jonghwan Mun , Minchul Shin , Gunsoo Han , Sangho Lee , Seongsu Ha , Joonseok Lee , Eun-Sol Kim

Understanding human actions from body poses is critical for assistive robots sharing space with humans in order to make informed and safe decisions about the next interaction. However, precise temporal localization and annotation of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Yi Xu , Kunyu Peng , Di Wen , Ruiping Liu , Junwei Zheng , Yufan Chen , Jiaming Zhang , Alina Roitberg , Kailun Yang , Rainer Stiefelhagen

Progress in speech processing has been facilitated by shared datasets and benchmarks. Historically these have focused on automatic speech recognition (ASR), speaker identification, or other lower-level tasks. Interest has been growing in…

Computation and Language · Computer Science 2022-08-01 Suwon Shon , Ankita Pasad , Felix Wu , Pablo Brusco , Yoav Artzi , Karen Livescu , Kyu J. Han

We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

Perceiving the world in terms of objects and tracking them through time is a crucial prerequisite for reasoning and scene understanding. Recently, several methods have been proposed for unsupervised learning of object-centric…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Marissa A. Weis , Kashyap Chitta , Yash Sharma , Wieland Brendel , Matthias Bethge , Andreas Geiger , Alexander S. Ecker

Action recognition from videos, i.e., classifying a video into one of the pre-defined action types, has been a popular topic in the communities of artificial intelligence, multimedia, and signal processing. However, existing methods usually…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Xiaodong Chen , Xinchen Liu , Wu Liu , Kun Liu , Dong Wu , Yongdong Zhang , Tao Mei

The application of activity recognition in the ``AI + Education" field is gaining increasing attention. However, current work mainly focuses on the recognition of activities in manually captured videos and a limited number of activity…

Spatio-temporal action detection (STAD) aims to classify the actions present in a video and localize them in space and time. It has become a particularly active area of research in computer vision because of its explosively emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Peng Wang , Fanwei Zeng , Yuntao Qian

Recently, dataset condensation has made significant progress in the image domain. Unlike images, videos possess an additional temporal dimension, which harbors considerable redundant information, making condensation even more crucial.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yang Chen , Sheng Guo , Bo Zheng , Limin Wang

Sensor-based human activity recognition (HAR), i.e., the ability to discover human daily activity patterns from wearable or embedded sensors, is a key enabler for many real-world applications in smart homes, personal healthcare, and urban…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Saurav Jha , Martin Schiemer , Franco Zambonelli , Juan Ye

Deep learning models have achieved state-of-the- art performance in recognizing human activities, but often rely on utilizing background cues present in typical computer vision datasets that predominantly have a stationary camera. If these…

Robotics · Computer Science 2017-09-20 Fahimeh Rezazadegan , Sareh Shirazi , Ben Upcroft , Michael Milford

Semi-Supervised Learning can be more beneficial for the video domain compared to images because of its higher annotation cost and dimensionality. Besides, any video understanding task requires reasoning over both spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Ishan Rajendrakumar Dave , Mamshad Nayeem Rizve , Chen Chen , Mubarak Shah

Current video representations heavily rely on learning from manually annotated video datasets which are time-consuming and expensive to acquire. We observe videos are naturally accompanied by abundant text information such as YouTube titles…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Tianhao Li , Limin Wang

Many new proposals for scene text recognition (STR) models have been introduced in recent years. While each claim to have pushed the boundary of the technology, a holistic and fair comparison has been largely missing in the field due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Jeonghun Baek , Geewook Kim , Junyeop Lee , Sungrae Park , Dongyoon Han , Sangdoo Yun , Seong Joon Oh , Hwalsuk Lee

Entity resolution (ER) is the process of identifying records that refer to the same entities within one or across multiple databases. Numerous techniques have been developed to tackle ER challenges over the years, with recent emphasis…

Databases · Computer Science 2023-11-14 George Papadakis , Nishadi Kirielle , Peter Christen , Themis Palpanas

We present BEAMER: a new spatially exploitative approach to learning object detectors which shows excellent results when applied to the task of detecting objects in greyscale aerial imagery in the presence of ambiguous and noisy data. There…

Computer Vision and Pattern Recognition · Computer Science 2009-07-27 Damian Eads , Edward Rosten , David Helmbold

What audio embedding approach generalizes best to a wide range of downstream tasks across a variety of everyday domains without fine-tuning? The aim of the HEAR benchmark is to develop a general-purpose audio representation that provides a…

Speech emotion recognition (SER) has drawn increasing attention for its applications in human-machine interaction. However, existing SER methods ignore the information gap between the pre-training speech recognition task and the downstream…

Sound · Computer Science 2023-10-03 Dongyuan Li , Yusong Wang , Kotaro Funakoshi , Manabu Okumura