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Video-based person re-identification (re-id) is a central application in surveillance systems with significant concern in security. Matching persons across disjoint camera views in their video fragments is inherently challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Lin Wu , Yang Wang , Junbin Gao , Xue Li

Video object detection is challenging because objects that are easily detected in one frame may be difficult to detect in another frame within the same clip. Recently, there have been major advances for doing object detection in a single…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Wei Han , Pooya Khorrami , Tom Le Paine , Prajit Ramachandran , Mohammad Babaeizadeh , Honghui Shi , Jianan Li , Shuicheng Yan , Thomas S. Huang

Perception of the visually disjoint surfaces of our cluttered world as whole objects, physically distinct from those overlapping them, is a cognitive phenomenon called objectness that forms the basis of our visual perception. Shared by all…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Douglas Poland , Amar Saini

A number of psychological and physiological evidences suggest that early visual attention works in a coarse-to-fine way, which lays a basis for the reverse hierarchy theory (RHT). This theory states that attention propagates from the top…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Tianlin Shi , Liang Ming , Xiaolin Hu

We present an attention-based model for recognizing multiple objects in images. The proposed model is a deep recurrent neural network trained with reinforcement learning to attend to the most relevant regions of the input image. We show…

Machine Learning · Computer Science 2015-04-24 Jimmy Ba , Volodymyr Mnih , Koray Kavukcuoglu

Multi-task learning based video anomaly detection methods combine multiple proxy tasks in different branches to detect video anomalies in different situations. Most existing methods either do not combine complementary tasks to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Mohammad Baradaran , Robert Bergevin

Benefit from the quick development of deep learning techniques, salient object detection has achieved remarkable progresses recently. However, there still exists following two major challenges that hinder its application in embedded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Shuhan Chen , Xiuli Tan , Ben Wang , Xuelong Hu

Recent advances in single-frame object detection and segmentation techniques have motivated a wide range of works to extend these methods to process video streams. In this paper, we explore the idea of hard attention aimed for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Yuning Chai

Algorithms for robotic visual search can benefit from the use of visual attention methods in order to reduce computational costs. Here, we describe how three distinct mechanisms of visual attention can be integrated and productively used to…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Amir Rasouli , John K. Tsotsos

In general, background subtraction-based methods are used to detect moving objects in visual tracking applications. In this paper, we employed a background subtraction-based scheme to detect the temporarily stationary objects. We proposed…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Deepak Ghimire , Joonwhoan Lee

Fully supervised object detection has achieved great success in recent years. However, abundant bounding boxes annotations are needed for training a detector for novel classes. To reduce the human labeling effort, we propose a novel webly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Zhonghua Wu , Qingyi Tao , Guosheng Lin , Jianfei Cai

Video Instance Segmentation is a fundamental computer vision task that deals with segmenting and tracking object instances across a video sequence. Most existing methods typically accomplish this task by employing a multi-stage top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Jyoti Kini , Mubarak Shah

Attention mechanism has demonstrated great potential in fine-grained visual recognition tasks. In this paper, we present a counterfactual attention learning method to learn more effective attention based on causal inference. Unlike most…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yongming Rao , Guangyi Chen , Jiwen Lu , Jie Zhou

Instance segmentation can detect where the objects are in an image, but hard to understand the relationship between them. We pay attention to a typical relationship, relative saliency. A closely related task, salient object detection,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Hao Fang , Daoxin Zhang , Yi Zhang , Minghao Chen , Jiawei Li , Yao Hu , Deng Cai , Xiaofei He

Previous video salient object detection (VSOD) approaches have mainly focused on designing fancy networks to achieve their performance improvements. However, with the slow-down in development of deep learning techniques recently, it may…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Chenglizhao Chen , Jia Song , Chong Peng , Guodong Wang , Yuming Fang

We propose a method to detect individualized highlights for users on given target videos based on their preferred highlight clips marked on previous videos they have watched. Our method explicitly leverages the contents of both the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Uttaran Bhattacharya , Gang Wu , Stefano Petrangeli , Viswanathan Swaminathan , Dinesh Manocha

Visual prompt-based methods have seen growing interest in incremental learning (IL) for image classification. These approaches learn additional embedding vectors while keeping the model frozen, making them efficient to train. However, no…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Matthias Neuwirth-Trapp , Maarten Bieshaar , Danda Pani Paudel , Luc Van Gool

Object detection in videos is an important task in computer vision for various applications such as object tracking, video summarization and video search. Although great progress has been made in improving the accuracy of object detection…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Athindran Ramesh Kumar , Balaraman Ravindran , Anand Raghunathan

This work is in the field of video surveillance including motion detection. The video surveillance is one of essential techniques for automatic video analysis to extract crucial information or relevant scenes in video surveillance systems.…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 Larbi Guezouli , Hanane Belhani

We present a semi-supervised approach that localizes multiple unknown object instances in long videos. We start with a handful of labeled boxes and iteratively learn and label hundreds of thousands of object instances. We propose criteria…

Computer Vision and Pattern Recognition · Computer Science 2015-05-22 Ishan Misra , Abhinav Shrivastava , Martial Hebert