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Deep convolutional neural networks (CNNs) have demonstrated dominant performance in person re-identification (Re-ID). Existing CNN based methods utilize global average pooling (GAP) to aggregate intermediate convolutional features for…

Computer Vision and Pattern Recognition · Computer Science 2020-01-09 Zhigang Chang , Qin Zhou , Heng Fan , Hang Su , Hua Yang , Shibao Zheng , Haibin Ling

In this paper we evaluate the quality of the activation layers of a convolutional neural network (CNN) for the gen- eration of object proposals. We generate hypotheses in a sliding-window fashion over different activation layers and show…

Computer Vision and Pattern Recognition · Computer Science 2015-10-16 Amir Ghodrati , Ali Diba , Marco Pedersoli , Tinne Tuytelaars , Luc Van Gool

Following the recent progress in image classification and captioning using deep learning, we develop a novel natural language person retrieval system based on an attention mechanism. More specifically, given the description of a person, the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Tao Zhou , Muhao Chen , Jie Yu , Demetri Terzopoulos

Object detection is one of the most active areas in computer vision, which has made significant improvement in recent years. Current state-of-the-art object detection methods mostly adhere to the framework of regions with convolutional…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Wenqing Chu , Deng Cai

Several recent approaches showed how the representations learned by Convolutional Neural Networks can be repurposed for novel tasks. Most commonly it has been shown that the activation features of the last fully connected layers (fc7 or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Arsalan Mousavian , Jana Kosecka

Several recent works have shown that image descriptors produced by deep convolutional neural networks provide state-of-the-art performance for image classification and retrieval problems. It has also been shown that the activations from the…

Computer Vision and Pattern Recognition · Computer Science 2015-10-27 Artem Babenko , Victor Lempitsky

Convolutional neural nets (CNN) are the leading computer vision method for classifying images. In some cases, it is desirable to classify only a specific region of the image that corresponds to a certain object. Hence, assuming that the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Sagi Eppel

Deep convolutional neural networks (CNN) have shown their promise as a universal representation for recognition. However, global CNN activations lack geometric invariance, which limits their robustness for classification and matching of…

Computer Vision and Pattern Recognition · Computer Science 2014-09-10 Yunchao Gong , Liwei Wang , Ruiqi Guo , Svetlana Lazebnik

Object detection systems based on the deep convolutional neural network (CNN) have recently made ground- breaking advances on several object detection benchmarks. While the features learned by these high-capacity neural networks are…

Computer Vision and Pattern Recognition · Computer Science 2016-01-15 Yuting Zhang , Kihyuk Sohn , Ruben Villegas , Gang Pan , Honglak Lee

The Bag-of-Words (BoW) representation is widely used in computer vision. The size of the codebook impacts the time and space complexity of the applications that use BoW. Thus, given a training set for a particular computer vision task, a…

Computer Vision and Pattern Recognition · Computer Science 2014-07-24 Fatih Cakir , Stan Sclaroff

This thesis presents a language-independent text classification model by introduced two new encoding methods "BUNOW" and "BUNOC" used for feeding the raw text data into a new CNN spatial architecture with vertical and horizontal…

Computation and Language · Computer Science 2019-03-19 Amr Adel Helmy

A join is a set of manuscript fragments identified as originally emanating from the same manuscript. We study manuscript join retrieval: Given a query image of a fragment, retrieve other fragments originating from the same physical…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Sharva Gogawale , Gal Grudka , Daria Vasyutinsky-Shapira , Omer Ventura , Berat Kurar-Barakat , Nachum Dershowitz

As an emerging field in Machine Learning, Explainable AI (XAI) has been offering remarkable performance in interpreting the decisions made by Convolutional Neural Networks (CNNs). To achieve visual explanations for CNNs, methods based on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Sam Sattarzadeh , Mahesh Sudhakar , Anthony Lem , Shervin Mehryar , K. N. Plataniotis , Jongseong Jang , Hyunwoo Kim , Yeonjeong Jeong , Sangmin Lee , Kyunghoon Bae

The traditional bag-of-words approach has found a wide range of applications in computer vision. The standard pipeline consists of a generation of a visual vocabulary, a quantization of the features into histograms of visual words, and a…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Alexander Richard , Juergen Gall

In this paper, we propose a method for image-set classification based on convex cone models, focusing on the effectiveness of convolutional neural network (CNN) features as inputs. CNN features have non-negative values when using the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 Naoya Sogi , Taku Nakayama , Kazuhiro Fukui

Convolutional neural network (CNN) is a neural network that can make use of the internal structure of data such as the 2D structure of image data. This paper studies CNN on text categorization to exploit the 1D structure (namely, word…

Computation and Language · Computer Science 2015-03-27 Rie Johnson , Tong Zhang

Video based action recognition is one of the important and challenging problems in computer vision research. Bag of Visual Words model (BoVW) with local features has become the most popular method and obtained the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2014-05-20 Xiaojiang Peng , Limin Wang , Xingxing Wang , Yu Qiao

This paper proposes a region based convolutional neural network for segmentation-free word spotting. Our net- work takes as input an image and a set of word candidate bound- ing boxes and embeds all bounding boxes into an embedding space,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-06 Suman Ghosh , Ernest Valveny

Recent work on scene classification still makes use of generic CNN features in a rudimentary manner. In this ICCV 2015 paper, we present a novel pipeline built upon deep CNN features to harvest discriminative visual objects and parts for…

Computer Vision and Pattern Recognition · Computer Science 2015-10-07 Ruobing Wu , Baoyuan Wang , Wenping Wang , Yizhou Yu

Weakly supervised object localization is a challenging task in which the object of interest should be localized while learning its appearance. State-of-the-art methods recycle the architecture of a standard CNN by using the activation maps…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Akhil Meethal , Marco Pedersoli , Soufiane Belharbi , Eric Granger