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Inspired by the observation that humans are able to process videos efficiently by only paying attention where and when it is needed, we propose an interpretable and easy plug-in spatial-temporal attention mechanism for video action…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Lili Meng , Bo Zhao , Bo Chang , Gao Huang , Wei Sun , Frederich Tung , Leonid Sigal

Amodal recognition is the ability of the system to detect occluded objects. Most SOTA Visual Recognition systems lack the ability to perform amodal recognition. Few studies have achieved amodal recognition through passive prediction or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Venkatraman Narayanan , Bala Murali Manoghar , Rama Prashanth RV , Phu Pham , Aniket Bera

Stripe-like space target detection (SSTD) is crucial for space situational awareness. Traditional unsupervised methods often fail in low signal-to-noise ratio and variable stripe-like space targets scenarios, leading to weak generalization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Zijian Zhu , Ali Zia , Xuesong Li , Bingbing Dan , Yuebo Ma , Hongfeng Long , Kaili Lu , Enhai Liu , Rujin Zhao

One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

One of the fundamental challenges in video object segmentation is to find an effective representation of the target and background appearance. The best performing approaches resort to extensive fine-tuning of a convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Joakim Johnander , Martin Danelljan , Emil Brissman , Fahad Shahbaz Khan , Michael Felsberg

The problem of multi-object tracking is a fundamental computer vision research focus, widely used in public safety, transport, autonomous vehicles, robotics, and other regions involving artificial intelligence. Because of the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Kai Ren , Chuanping Hu

Effective image and sentence matching depends on how to well measure their global visual-semantic similarity. Based on the observation that such a global similarity arises from a complex aggregation of multiple local similarities between…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Yan Huang , Wei Wang , Liang Wang

The video based CNN works have focused on effective ways to fuse appearance and motion networks, but they typically lack utilizing temporal information over video frames. In this work, we present a novel spatio-temporal fusion network…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Sangwoo Cho , Hassan Foroosh

We propose a novel online learning algorithm, called SpCoSLAM 2.0, for spatial concepts and lexical acquisition with high accuracy and scalability. Previously, we proposed SpCoSLAM as an online learning algorithm based on unsupervised…

Robotics · Computer Science 2020-02-11 Akira Taniguchi , Yoshinobu Hagiwara , Tadahiro Taniguchi , Tetsunari Inamura

Transferring existing image-based detectors to the video is non-trivial since the quality of frames is always deteriorated by part occlusion, rare pose, and motion blur. Previous approaches exploit to propagate and aggregate features across…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Zhengkai Jiang , Yu Liu , Ceyuan Yang , Jihao Liu , Peng Gao , Qian Zhang , Shiming Xiang , Chunhong Pan

Discriminative Correlation Filters (DCF) are efficient in visual tracking but suffer from unwanted boundary effects. Spatially Regularized DCF (SRDCF) has been suggested to resolve this issue by enforcing spatial penalty on DCF…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Feng Li , Cheng Tian , Wangmeng Zuo , Lei Zhang , Ming-Hsuan Yang

In many artificial intelligence and computer vision systems, the same object can be observed at distinct viewpoints or by diverse sensors, which raises the challenges for recognizing objects from different, even heterogeneous views.…

Machine Learning · Statistics 2020-04-03 Xiaoyun Li , Jie Gui , Ping Li

The ability to detect and track objects in the visual world is a crucial skill for any intelligent agent, as it is a necessary precursor to any object-level reasoning process. Moreover, it is important that agents learn to track objects…

Machine Learning · Computer Science 2019-11-21 Eric Crawford , Joelle Pineau

Accurate scale estimation of a target is a challenging research problem in visual object tracking. Most state-of-the-art methods employ an exhaustive scale search to estimate the target size. The exhaustive search strategy is…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Martin Danelljan , Gustav Häger , Fahad Shahbaz Khan , Michael Felsberg

Face detection and alignment in unconstrained environment are challenging due to various poses, illuminations and occlusions. Recent studies show that deep learning approaches can achieve impressive performance on these two tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Kaipeng Zhang , Zhanpeng Zhang , Zhifeng Li , Yu Qiao

Deep neural networks, albeit their great success on feature learning in various computer vision tasks, are usually considered as impractical for online visual tracking because they require very long training time and a large number of…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Hanxi Li , Yi Li , Fatih Porikli

In this paper, we propose a novel effective non-rigid object tracking framework based on the spatial-temporal consistent saliency detection. In contrast to most existing trackers that utilize a bounding box to specify the tracked target,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Pingping Zhang , Wei Liu , Dong Wang , Yinjie Lei , Hongyu Wang , Chunhua Shen , Huchuan Lu

Stochastic Gradient Descent (SGD) is one of the most widely used techniques for online optimization in machine learning. In this work, we accelerate SGD by adaptively learning how to sample the most useful training examples at each time…

Machine Learning · Computer Science 2016-03-16 Guillaume Bouchard , Théo Trouillon , Julien Perez , Adrien Gaidon

Devising intelligent agents able to live in an environment and learn by observing the surroundings is a longstanding goal of Artificial Intelligence. From a bare Machine Learning perspective, challenges arise when the agent is prevented…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Matteo Tiezzi , Simone Marullo , Lapo Faggi , Enrico Meloni , Alessandro Betti , Stefano Melacci

3D scene understanding has become an essential area of research with applications in autonomous driving, robotics, and augmented reality. Recently, 3D Gaussian Splatting (3DGS) has emerged as a powerful approach, combining explicit modeling…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Haijie Li , Yanmin Wu , Jiarui Meng , Qiankun Gao , Zhiyao Zhang , Ronggang Wang , Jian Zhang