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Related papers: Feature and Region Selection for Visual Learning

200 papers

This paper addresses the problem of change detection from a novel perspective of long-term map learning. We are particularly interested in designing an approach that can scale to large maps and that can function under global uncertainty in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-03 Murase Tomoya , Tanaka Kanji

Using natural language as a supervision for training visual recognition models holds great promise. Recent works have shown that if such supervision is used in the form of alignment between images and captions in large training datasets,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Ajinkya Tejankar , Maziar Sanjabi , Bichen Wu , Saining Xie , Madian Khabsa , Hamed Pirsiavash , Hamed Firooz

Deep Convolutional Neural Networks (CNNs) have demonstrated excellent performance in image classification, but still show room for improvement in object-detection tasks with many categories, in particular for cluttered scenes and occlusion.…

Computer Vision and Pattern Recognition · Computer Science 2015-03-24 Nikolaos Karianakis , Thomas J. Fuchs , Stefano Soatto

In this paper, we propose a zoom-out-and-in network for generating object proposals. A key observation is that it is difficult to classify anchors of different sizes with the same set of features. Anchors of different sizes should be placed…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Hongyang Li , Yu Liu , Wanli Ouyang , Xiaogang Wang

The Bag-of-Words (BoW) representation is well applied to recent state-of-the-art image retrieval works. Typically, multiple vocabularies are generated to correct quantization artifacts and improve recall. However, this routine is corrupted…

Computer Vision and Pattern Recognition · Computer Science 2014-04-15 Liang Zheng , Shengjin Wang , Wengang Zhou , Qi Tian

Convolutional neural networks have emerged as the leading method for the classification and segmentation of images. In some cases, it is desirable to focus the attention of the net on a specific region in the image; one such case is the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Sagi Eppel

Map retrieval, the problem of similarity search over a large collection of 2D pointset maps previously built by mobile robots, is crucial for autonomous navigation in indoor and outdoor environments. Bag-of-words (BoW) methods constitute a…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Enfu Liu , Kanji Tanaka

Spatio-temporal feature learning is of central importance for action recognition in videos. Existing deep neural network models either learn spatial and temporal features independently (C2D) or jointly with unconstrained parameters (C3D).…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

This work aims to reproduce results from the CVPR 2020 paper by Gidaris et al. Self-supervised learning (SSL) is used to learn feature representations of an image using an unlabeled dataset. This work proposes to use bag-of-words (BoW) deep…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Harry Nguyen , Stone Yun , Hisham Mohammad

To interpret deep models' predictions, attention-based visual cues are widely used in addressing \textit{why} deep models make such predictions. Beyond that, the current research community becomes more interested in reasoning \textit{how}…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Wenxiao Xiao , Zhengming Ding , Hongfu Liu

Integration between biology and information science benefits both fields. Many related models have been proposed, such as computational visual cognition models, computational motor control models, integrations of both and so on. In general,…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Peijie Yin , Hong Qiao , Wei Wu , Lu Qi , YinLin Li , Shanlin Zhong , Bo Zhang

Localizing objects with weak supervision in an image is a key problem of the research in computer vision community. Many existing Weakly-Supervised Object Localization (WSOL) approaches tackle this problem by estimating the most…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Pei Lv , Haiyu Yu , Junxiao Xue , Junjin Cheng , Lisha Cui , Bing Zhou , Mingliang Xu , Yi Yang

This paper proposes a simple yet effective approach to learn visual features online for improving loop-closure detection and place recognition, based on bag-of-words frameworks. The approach learns a codeword in bag-of-words model from a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Guangcong Zhang , Mason J. Lilly , Patricio A. Vela

Recent advances in multimodal learning has resulted in powerful vision-language models, whose representations are generalizable across a variety of downstream tasks. Recently, their generalization ability has been further extended by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Koustava Goswami , Srikrishna Karanam , Prateksha Udhayanan , K J Joseph , Balaji Vasan Srinivasan

The task of the emotion recognition in the wild (EmotiW) Challenge is to assign one of seven emotions to short video clips extracted from Hollywood style movies. The videos depict acted-out emotions under realistic conditions with a large…

Small inter-class and large intra-class variations are the main challenges in fine-grained visual classification. Objects from different classes share visually similar structures and objects in the same class can have different poses and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Amir Erfan Eshratifar , David Eigen , Michael Gormish , Massoud Pedram

Multivariate Pattern (MVP) classification holds enormous potential for decoding visual stimuli in the human brain by employing task-based fMRI data sets. There is a wide range of challenges in the MVP techniques, i.e. decreasing noise and…

Machine Learning · Statistics 2016-12-28 Muhammad Yousefnezhad , Daoqiang Zhang

Feature extraction is a method of capturing visual content of an image. The feature extraction is the process to represent raw image in its reduced form to facilitate decision making such as pattern classification. We have tried to address…

Computer Vision and Pattern Recognition · Computer Science 2012-08-13 V. P. Gladis Pushpa Rathi , S. Palani

This paper provides a review on representation learning for videos. We classify recent spatiotemporal feature learning methods for sequential visual data and compare their pros and cons for general video analysis. Building effective…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Elham Ravanbakhsh , Yongqing Liang , J. Ramanujam , Xin Li

Pre-trained vision-language models have inspired much research on few-shot learning. However, with only a few training images, there exist two crucial problems: (1) the visual feature distributions are easily distracted by class-irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Runqi Wang , Hao Zheng , Xiaoyue Duan , Jianzhuang Liu , Yuning Lu , Tian Wang , Songcen Xu , Baochang Zhang