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Positional encoding (PE) underpins how permutation-invariant Transformers represent sequence order, yet how positional information is processed and stored remains poorly understood. Modern PE methods such as RoPE still struggle on tasks…

计算与语言 · 计算机科学 2026-05-29 Pierre-Antoine Lequeu , Camille Barboule , Benjamin Piwowarski

We introduce Perception Encoder (PE), a state-of-the-art vision encoder for image and video understanding trained via simple vision-language learning. Traditionally, vision encoders have relied on a variety of pretraining objectives, each…

Lack of audio-video synchronization is a common problem during television broadcasts and video conferencing, leading to an unsatisfactory viewing experience. A widely accepted paradigm is to create an error detection mechanism that…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Akash Gupta , Rohun Tripathi , Wondong Jang

Facial micro-expression recognition (MER) is a challenging task, due to the transience, subtlety, and dynamics of micro-expressions (MEs). Most existing methods resort to hand-crafted features or deep networks, in which the former often…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Zhiwen Shao , Yifan Cheng , Fan Zhang , Xuehuai Shi , Canlin Li , Lizhuang Ma , Dit-yan Yeung

Recent transformer based approaches have demonstrated impressive performance in solving real-world 3D human pose estimation problems. Albeit these approaches achieve fruitful results on benchmark datasets, they tend to fall short of sports…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Zhuoer Yin , Calvin Yeung , Tomohiro Suzuki , Ryota Tanaka , Keisuke Fujii

Algorithms for the action segmentation task typically use temporal models to predict what action is occurring at each frame for a minute-long daily activity. Recent studies have shown the potential of Transformer in modeling the relations…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Fangqiu Yi , Hongyu Wen , Tingting Jiang

Video generation based on diffusion models presents a challenging multimodal task, with video editing emerging as a pivotal direction in this field. Recent video editing approaches primarily fall into two categories: training-required and…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Junhao Xia , Chaoyang Zhang , Yecheng Zhang , Chengyang Zhou , Zhichang Wang , Bochun Liu , Dongshuo Yin

Long-term video understanding requires interpreting complex temporal events and reasoning over procedural activities. While instructional video corpora, like HowTo100M, offer rich resources for model training, they present significant…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Mingji Ge , Qirui Chen , Zeqian Li , Weidi Xie

Automated experiments in scanning transmission electron microscopy (STEM) require rapid image segmentation to optimize data representation for human interpretation, decision-making, site-selective spectroscopies, and atomic manipulation.…

Understanding user intent is essential for situational and context-aware decision-making. Motivated by a real-world scenario, this work addresses intent predictions of smart device users in the vicinity of vehicles by modeling sequential…

Semi-supervised action recognition is a challenging but critical task due to the high cost of video annotations. Existing approaches mainly use convolutional neural networks, yet current revolutionary vision transformer models have been…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Zhen Xing , Qi Dai , Han Hu , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

Generating robust and reliable correspondences across images is a fundamental task for a diversity of applications. To capture context at both global and local granularity, we propose ASpanFormer, a Transformer-based detector-free matcher…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Hongkai Chen , Zixin Luo , Lei Zhou , Yurun Tian , Mingmin Zhen , Tian Fang , David Mckinnon , Yanghai Tsin , Long Quan

Facial expressions vary from the visible to the subtle. In recent years, the analysis of micro-expressions $-$ a natural occurrence resulting from the suppression of one's true emotions, has drawn the attention of researchers with a broad…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Gen-Bing Liong , John See , Lai-Kuan Wong

Learning continuous representations of discrete objects such as text, users, movies, and URLs lies at the heart of many applications including language and user modeling. When using discrete objects as input to neural networks, we often…

机器学习 · 计算机科学 2021-03-12 Paul Pu Liang , Manzil Zaheer , Yuan Wang , Amr Ahmed

Entropy estimation is essential for the performance of learned image compression. It has been demonstrated that a transformer-based entropy model is of critical importance for achieving a high compression ratio, however, at the expense of a…

图像与视频处理 · 电气工程与系统科学 2024-02-28 A. Burakhan Koyuncu , Panqi Jia , Atanas Boev , Elena Alshina , Eckehard Steinbach

Video stereo matching is the task of estimating consistent disparity maps from rectified stereo videos. There is considerable scope for improvement in both datasets and methods within this area. Recent learning-based methods often focus on…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Junpeng Jing , Ye Mao , Anlan Qiu , Krystian Mikolajczyk

Automated surgical step recognition is an important task that can significantly improve patient safety and decision-making during surgeries. Existing state-of-the-art methods for surgical step recognition either rely on separate,…

计算机视觉与模式识别 · 计算机科学 2023-07-22 Nisarg A. Shah , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel

Many motion-centric video analysis tasks, such as atomic actions, detecting atypical motor behavior in individuals with autism, or analyzing articulatory motion in real-time MRI of human speech, require efficient and interpretable temporal…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Hong Nguyen , Dung Tran , Hieu Hoang , Phong Nguyen , Shrikanth Narayanan

Historically, researchers in the field have spent a great deal of effort to create image representations that have scale invariance and retain spatial location information. This paper proposes to encode equivalent temporal characteristics…

计算机视觉与模式识别 · 计算机科学 2014-09-01 Zhenzhong Lan , Xuanchong Li , Alexandar G. Hauptmann

This study introduces an efficient and effective method, MeDM, that utilizes pre-trained image Diffusion Models for video-to-video translation with consistent temporal flow. The proposed framework can render videos from scene position…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Ernie Chu , Tzuhsuan Huang , Shuo-Yen Lin , Jun-Cheng Chen