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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

State-of-the-art object detection networks depend on region proposal algorithms to hypothesize object locations. Advances like SPPnet and Fast R-CNN have reduced the running time of these detection networks, exposing region proposal…

Computer Vision and Pattern Recognition · Computer Science 2016-01-07 Shaoqing Ren , Kaiming He , Ross Girshick , Jian Sun

Contrastively trained vision-language models have achieved remarkable progress in vision and language representation learning, leading to state-of-the-art models for various downstream multimodal tasks. However, recent research has…

Computation and Language · Computer Science 2023-10-26 Harman Singh , Pengchuan Zhang , Qifan Wang , Mengjiao Wang , Wenhan Xiong , Jingfei Du , Yu Chen

Previous approaches for scene text detection usually rely on manually defined sliding windows. This work presents an intuitive two-stage region-based method to detect multi-oriented text without any prior knowledge regarding the textual…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Linjie Deng , Yanxiang Gong , Yi Lin , Jingwen Shuai , Xiaoguang Tu , Yuefei Zhang , Zheng Ma , Mei Xie

Accurately localising object proposals is an important precondition for high detection rate for the state-of-the-art object detection frameworks. The accuracy of an object detection method has been shown highly related to the average recall…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Hsueh-Fu Lu , Xiaofei Du , Ping-Lin Chang

This paper introduces a novel rotation-based framework for arbitrary-oriented text detection in natural scene images. We present the Rotation Region Proposal Networks (RRPN), which are designed to generate inclined proposals with text…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Jianqi Ma , Weiyuan Shao , Hao Ye , Li Wang , Hong Wang , Yingbin Zheng , Xiangyang Xue

Scene text detection attracts much attention in computer vision, because it can be widely used in many applications such as real-time text translation, automatic information entry, blind person assistance, robot sensing and so on. Though…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Xiaobing Wang , Yingying Jiang , Zhenbo Luo , Cheng-Lin Liu , Hyunsoo Choi , Sungjin Kim

In this paper, we first provide a new perspective to divide existing high performance object detection methods into direct and indirect regressions. Direct regression performs boundary regression by predicting the offsets from a given…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Wenhao He , Xu-Yao Zhang , Fei Yin , Cheng-Lin Liu

Incorporating linguistic knowledge can improve scene text recognition, but it is questionable whether the same holds for scene text spotting, which typically involves text detection and recognition. This paper proposes a method that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Nguyen Nguyen , Yapeng Tian , Chenliang Xu

In this paper, we study the compositional learning of images and texts for image retrieval. The query is given in the form of an image and text that describes the desired modifications to the image; the goal is to retrieve the target image…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Minchul Shin , Yoonjae Cho , Byungsoo Ko , Geonmo Gu

RRPN is among the outstanding scene text detection approaches, but the manually-designed anchor and coarse proposal refinement make the performance still far from perfection. In this paper, we propose RRPN++ to exploit the potential of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Jianqi Ma

Existing research in scene image classification has focused on either content features (e.g., visual information) or context features (e.g., annotations). As they capture different information about images which can be complementary and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Chiranjibi Sitaula , Sunil Aryal , Yong Xiang , Anish Basnet , Xuequan Lu

Image-text matching has been a hot research topic bridging the vision and language areas. It remains challenging because the current representation of image usually lacks global semantic concepts as in its corresponding text caption. To…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Kunpeng Li , Yulun Zhang , Kai Li , Yuanyuan Li , Yun Fu

Generally pre-training and long-time training computation are necessary for obtaining a good-performance text detector based on deep networks. In this paper, we present a new scene text detection network (called FANet) with a Fast…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Yuzhong Zhao , Yuanqiang Cai , Weijia Wu , Weiqiang Wang

Reading text in the wild is a challenging task in the field of computer vision. Existing approaches mainly adopted Connectionist Temporal Classification (CTC) or Attention models based on Recurrent Neural Network (RNN), which is…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Yunze Gao , Yingying Chen , Jinqiao Wang , Hanqing Lu

We study the problem of extracting text instance contour information from images and use it to assist scene text detection. We propose a novel and effective framework for this and experimentally demonstrate that: (1) A CNN that can be…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Dafang He , Xiao Yang , Daniel Kifer , C. Lee Giles

Automatic detection of scene texts in the wild is a challenging problem, particularly due to the difficulties in handling (i) occlusions of varying percentages, (ii) widely different scales and orientations, (iii) severe degradations in the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Kinjal Dasgupta , Sudip Das , Ujjwal Bhattacharya

Previous approaches for scene text detection have already achieved promising performances across various benchmarks. However, they usually fall short when dealing with challenging scenarios, even when equipped with deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Xinyu Zhou , Cong Yao , He Wen , Yuzhi Wang , Shuchang Zhou , Weiran He , Jiajun Liang

At present, multi-oriented text detection methods based on deep neural network have achieved promising performances on various benchmarks. Nevertheless, there are still some difficulties for arbitrary shape text detection, especially for a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 XiaoQian Li , Jie Liu , ShuWu Zhang , GuiXuan Zhang

Textual information found in scene images provides high level semantic information about the image and its context and it can be leveraged for better scene understanding. In this paper we address the problem of scene text retrieval: given a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Lluís Gómez , Andrés Mafla , Marçal Rusiñol , Dimosthenis Karatzas