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In this work, we propose several attention formulations for multivariate sequence data. We build on top of the recently introduced 2D-Attention and reformulate the attention learning methodology by quantifying the relevance of…

计算机视觉与模式识别 · 计算机科学 2022-01-27 Kateryna Chumachenko , Alexandros Iosifidis , Moncef Gabbouj

Inspired by human neurological structures for action anticipation, we present an action anticipation model that enables the prediction of plausible future actions by forecasting both the visual and temporal future. In contrast to current…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

In weakly-supervised temporal action localization, previous works have failed to locate dense and integral regions for each entire action due to the overestimation of the most salient regions. To alleviate this issue, we propose a…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Yuan Yuan , Yueming Lyu , Xi Shen , Ivor W. Tsang , Dit-Yan Yeung

The objective of this paper is to combine multiple frame-level features into a single utterance-level representation considering pairwise relationship. For this purpose, we propose a novel graph attentive feature aggregation module by…

声音 · 计算机科学 2021-12-24 Hye-jin Shim , Jungwoo Heo , Jae-han Park , Ga-hui Lee , Ha-Jin Yu

Speech-driven facial video generation has been a complex problem due to its multi-modal aspects namely audio and video domain. The audio comprises lots of underlying features such as expression, pitch, loudness, prosody(speaking style) and…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Neeraj Kumar , Srishti Goel , Ankur Narang , Brejesh Lall

We present an approach for unsupervised training of CNNs in order to learn discriminative face representations. We mine supervised training data by noting that multiple faces in the same video frame must belong to different persons and the…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Samyak Datta , Gaurav Sharma , C. V. Jawahar

Deriving an effective facial expression recognition component is important for a successful human-computer interaction system. Nonetheless, recognizing facial expression remains a challenging task. This paper describes a novel approach…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Mundher Al-Shabi , Wooi Ping Cheah , Tee Connie

Anticipating actions before they occur is a core challenge in action understanding research. While conventional methods rely on extracting and aggregating temporal information from videos, as humans we can often predict upcoming actions by…

Face animation has achieved much progress in computer vision. However, prevailing GAN-based methods suffer from unnatural distortions and artifacts due to sophisticated motion deformation. In this paper, we propose a Face Animation…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Bohan Zeng , Xuhui Liu , Sicheng Gao , Boyu Liu , Hong Li , Jianzhuang Liu , Baochang Zhang

Alcohol consumption is a significant public health concern and a major cause of accidents and fatalities worldwide. This study introduces a novel video-based facial sequence analysis approach dedicated to the detection of alcohol…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Bita Baroutian , Atefe Aghaei , Mohsen Ebrahimi Moghaddam

Recognizing human activities in videos is challenging due to the spatio-temporal complexity and context-dependence of human interactions. Prior studies often rely on single input modalities, such as RGB or skeletal data, limiting their…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Tuyen Tran , Thao Minh Le , Hung Tran , Truyen Tran

Videos are a rich source of multi-modal supervision. In this work, we learn representations using self-supervision by leveraging three modalities naturally present in videos: visual, audio and language streams. To this end, we introduce the…

Categorisation of huge amount of data on the multimedia platform is a crucial task. In this work, we propose a novel approach to address the subtle problem of selfie detection for image database segregation on the web, given rapid rise in…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Yashas Annadani , Vijayakrishna Naganoor , Akshay Kumar Jagadish , Krishnan Chemmangat

Photos of faces captured in unconstrained environments, such as large crowds, still constitute challenges for current face recognition approaches as often faces are occluded by objects or people in the foreground. However, few studies have…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Stefan Hörmann , Zeyuan Zhang , Martin Knoche , Torben Teepe , Gerhard Rigoll

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

计算机视觉与模式识别 · 计算机科学 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

Single image super-resolution is a well-known downstream task which aims to restore low-resolution images into high-resolution images. At present, models based on Transformers have shone brightly in the field of super-resolution due to…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jianfeng Wu , Nannan Xu

The challenge of long-term video understanding remains constrained by the efficient extraction of object semantics and the modelling of their relationships for downstream tasks. Although the CLIP visual features exhibit discriminative…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Rui Dai , Srijan Das , Michael S. Ryoo , Francois Bremond

The huge amount of video data produced daily by camera-based systems, such as surveilance, medical and telecommunication systems, emerges the need for effective video summarization (VS) methods. These methods should be capable of creating…

计算机视觉与模式识别 · 计算机科学 2020-11-24 George Pantazis , George Dimas , Dimitris K. Iakovidis

Sentiment Analysis has seen much progress in the past two decades. For the past few years, neural network approaches, primarily RNNs and CNNs, have been the most successful for this task. Recently, a new category of neural networks,…

计算与语言 · 计算机科学 2018-12-20 Artaches Ambartsoumian , Fred Popowich

Facial composites are graphical representations of an eyewitness's memory of a face. Many digital systems are available for the creation of such composites but are either unable to reproduce features unless previously designed or do not…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Nicola Zaltron , Luisa Zurlo , Sebastian Risi