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Instance Segmentation, which seeks to obtain both class and instance labels for each pixel in the input image, is a challenging task in computer vision. State-of-the-art algorithms often employ two separate stages, the first one generating…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Jialin Yuan , Chao Chen , Li Fuxin

Training a Fully Convolutional Network (FCN) for semantic segmentation requires a large number of masks with pixel level labelling, which involves a large amount of human labour and time for annotation. In contrast, web images and their…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Tong Shen , Guosheng Lin , Lingqiao Liu , Chunhua Shen , Ian Reid

Weakly supervised video object localization (WSVOL) allows locating object in videos using only global video tags such as object class. State-of-art methods rely on multiple independent stages, where initial spatio-temporal proposals are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

This paper aims to classify and locate objects accurately and efficiently, without using bounding box annotations. It is challenging as objects in the wild could appear at arbitrary locations and in different scales. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2016-04-14 Chen Sun , Manohar Paluri , Ronan Collobert , Ram Nevatia , Lubomir Bourdev

Weakly Supervised Object Localization (WSOL) methods generate both classification and localization results by learning from only image category labels. Previous methods usually utilize class activation map (CAM) to obtain target object…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Ziyi Kou , Guofeng Cui , Shaojie Wang , Wentian Zhao , Chenliang Xu

Pointwise localization allows more precise localization and accurate interpretability, compared to bounding box, in applications where objects are highly unstructured such as in medical domain. In this work, we focus on weakly supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-01-22 Soufiane Belharbi , Jérôme Rony , Jose Dolz , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Human observers can learn to recognize new categories of images from a handful of examples, yet doing so with artificial ones remains an open challenge. We hypothesize that data-efficient recognition is enabled by representations which make…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Olivier J. Hénaff , Aravind Srinivas , Jeffrey De Fauw , Ali Razavi , Carl Doersch , S. M. Ali Eslami , Aaron van den Oord

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

Robotics · Computer Science 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

This paper addresses weakly supervised object detection with only image-level supervision at training stage. Previous approaches train detection models with entire images all at once, making the models prone to being trapped in sub-optimums…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Xiaopeng Zhang , Jiashi Feng , Hongkai Xiong , Qi Tian

Scale-sensitive object detection remains a challenging task, where most of the existing methods could not learn it explicitly and are not robust to scale variance. In addition, the most existing methods are less efficient during training or…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Junran Peng , Ming Sun , Zhaoxiang Zhang , Tieniu Tan , Junjie Yan

We present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on them. We train an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Miriam Bellver , Xavier Giro-i-Nieto , Ferran Marques , Jordi Torres

Object detection is a fundamental visual recognition problem in computer vision and has been widely studied in the past decades. Visual object detection aims to find objects of certain target classes with precise localization in a given…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Xiongwei Wu , Doyen Sahoo , Steven C. H. Hoi

One of the greatest challenges for detecting moving objects in the solar system from wide-field survey data is determining whether a signal indicates a true object or is due to some other source, like noise. Object verification has relied…

Smartphone based periocular recognition has gained significant attention from biometric research community because of the limitations of biometric modalities like face, iris etc. Most of the existing methods for periocular recognition…

Computer Vision and Pattern Recognition · Computer Science 2018-01-18 Amani Alahmadi , Muhammad Hussain , Hatim Aboalsamh , Mansour Zuair

Weakly supervised multiple instance learning (MIL) is a challenging task given that only bag-level labels are provided, while each bag typically contains multiple instances. This topic has been extensively studied in histopathological image…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Bodong Zhang , Hamid Manoochehri , Xiwen Li , Beatrice S. Knudsen , Tolga Tasdizen

Forward-looking sonar can capture high resolution images of underwater scenes, but their interpretation is complex. Generic object detection in such images has not been solved, specially in cases of small and unknown objects. In comparison,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Matias Valdenegro-Toro

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

Robotics · Computer Science 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

Weakly supervised methods usually generate localization results based on attention maps produced by classification networks. However, the attention maps exhibit the most discriminative parts of the object which are small and sparse. We…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Xiaolin Zhang , Yunchao Wei , Guoliang Kang , Yi Yang , Thomas Huang

Reusable model design becomes desirable with the rapid expansion of computer vision and machine learning applications. In this paper, we focus on the reusability of pre-trained deep convolutional models. Specifically, different from…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Xiu-Shen Wei , Chen-Lin Zhang , Jianxin Wu , Chunhua Shen , Zhi-Hua Zhou

Compared to conventional semantic segmentation with pixel-level supervision, Weakly Supervised Semantic Segmentation (WSSS) with image-level labels poses the challenge that it always focuses on the most discriminative regions, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Jingxuan He , Lechao Cheng , Chaowei Fang , Zunlei Feng , Tingting Mu , Mingli Song
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