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Deep-Learning-based video recognition has shown promising improvements along with the development of large-scale datasets and spatiotemporal network architectures. In image recognition, learning spatially invariant features is a key factor…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Taeoh Kim , Hyeongmin Lee , MyeongAh Cho , Ho Seong Lee , Dong Heon Cho , Sangyoun Lee

Existing algorithms for explaining the output of image classifiers perform poorly on inputs where the object of interest is partially occluded. We present a novel, black-box algorithm for computing explanations that uses a principled…

机器学习 · 计算机科学 2021-09-08 Hana Chockler , Daniel Kroening , Youcheng Sun

Deep convolutional neural networks provide a powerful feature learning capability for image classification. The deep image features can be utilized to deal with many image understanding tasks like image classification and object…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Shaoning Zeng , Bob Zhang , Yanghao Zhang , Jianping Gou

Many studies focus on improving pretraining or developing new backbones in text-video retrieval. However, existing methods may suffer from the learning and inference bias issue, as recent research suggests in other text-video-related tasks.…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Burak Satar , Hongyuan Zhu , Hanwang Zhang , Joo Hwee Lim

Deep neural networks have achieved remarkable success for video-based action recognition. However, most of existing approaches cannot be deployed in practice due to the high computational cost. To address this challenge, we propose a new…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Kun Liu , Wu Liu , Huadong Ma , Mingkui Tan , Chuang Gan

In this paper, we address the challenging problem of action recognition, using event-based cameras. To recognise most gestural actions, often higher temporal precision is required for sampling visual information. Actions are defined by…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Rohan Ghosh , Anupam Gupta , Andrei Nakagawa , Alcimar Soares , Nitish Thakor

Identifiability is a desirable property of a statistical model: it implies that the true model parameters may be estimated to any desired precision, given sufficient computational resources and data. We study identifiability in the context…

机器学习 · 统计学 2020-07-09 Geoffrey Roeder , Luke Metz , Diederik P. Kingma

Representation disentanglement aims at learning interpretable features, so that the output can be recovered or manipulated accordingly. While existing works like infoGAN and AC-GAN exist, they choose to derive disjoint attribute code for…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Shang-Fu Chen , Jia-Wei Yan , Ya-Fan Su , Yu-Chiang Frank Wang

An important task when processing sensor data is to distinguish relevant from irrelevant data. This paper describes a method for an iterative singular value decomposition that maintains a model of the background via singular vectors…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Günther Reitberger , Tomas Sauer

Image retrieval in realistic scenarios targets large dynamic datasets of unlabeled images. In these cases, training or fine-tuning a model every time new images are added to the database is neither efficient nor scalable. Convolutional…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Albert Jimenez , Jose M. Alvarez , Xavier Giro-i-Nieto

Spatial-temporal graphs have been widely used by skeleton-based action recognition algorithms to model human action dynamics. To capture robust movement patterns from these graphs, long-range and multi-scale context aggregation and…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Ziyu Liu , Hongwen Zhang , Zhenghao Chen , Zhiyong Wang , Wanli Ouyang

During the last years, deep learning trackers achieved stimulating results while bringing interesting ideas to solve the tracking problem. This progress is mainly due to the use of learned deep features obtained by training deep…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Ahmed Zgaren , Wassim Bouachir , Riadh Ksantini

Causal inference on time series data is a challenging problem, especially in the presence of unobserved confounders. This work focuses on estimating the causal effect between two time series that are confounded by a third, unobserved time…

机器学习 · 统计学 2024-11-19 Felix Schur , Jonas Peters

A dramatic rise in the flow of manipulated image content on the Internet has led to an aggressive response from the media forensics research community. New efforts have incorporated increased usage of techniques from computer vision and…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Aparna Bharati , Daniel Moreira , Patrick Flynn , Anderson Rocha , Kevin Bowyer , Walter Scheirer

Diffusion models have been shown to be capable of generating high-quality images, suggesting that they could contain meaningful internal representations. Unfortunately, the feature maps that encode a diffusion model's internal information…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Grace Luo , Lisa Dunlap , Dong Huk Park , Aleksander Holynski , Trevor Darrell

In recent years, discriminative self-supervised methods have made significant strides in advancing various visual tasks. The central idea of learning a data encoder that is robust to data distortions/augmentations is straightforward yet…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Yuewei Yang , Hai Li , Yiran Chen

Video decomposition is very important to extract moving foreground objects from complex backgrounds in computer vision, machine learning, and medical imaging, e.g., extracting moving contrast-filled vessels from the complex and noisy…

计算机视觉与模式识别 · 计算机科学 2022-05-09 Binjie Qin , Haohao Mao , Ruipeng Zhang , Yueqi Zhu , Song Ding , Xu Chen

Image forensics, aiming to ensure the authenticity of the image, has made great progress in dealing with common image manipulation such as copy-move, splicing, and inpainting in the past decades. However, only a few researchers pay…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Yushu Zhang , Nuo Chen , Shuren Qi , Mingfu Xue , Xiaochun Cao

The adoption of increasingly complex deep models has fueled an urgent need for insight into how these models make predictions. Counterfactual explanations form a powerful tool for providing actionable explanations to practitioners.…

机器学习 · 计算机科学 2024-11-05 Paraskevas Pegios , Aasa Feragen , Andreas Abildtrup Hansen , Georgios Arvanitidis

Change detection, i.e. identification per pixel of changes for some classes of interest from a set of bi-temporal co-registered images, is a fundamental task in the field of remote sensing. It remains challenging due to unrelated forms of…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Foivos I. Diakogiannis , François Waldner , Peter Caccetta