Journal ArticleDOI
Multilingual scene character recognition with co-occurrence of histogram of oriented gradients
Shangxuan Tian,Ujjwal Bhattacharya,Shijian Lu,Bolan Su,Qingqing Wang,Xiaohua Wei,Yue Lu,Chew Lim Tan +7 more
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TLDR
The Histogram of Oriented Gradient is extended and two new feature descriptors are proposed: Co-occurrence HOG (Co-HOG) and Convolutional Co-Hog (ConvCo- HOG) for accurate recognition of scene texts of different languages.About:
This article is published in Pattern Recognition.The article was published on 2016-03-01. It has received 130 citations till now. The article focuses on the topics: Histogram of oriented gradients.read more
Citations
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Proceedings ArticleDOI
ESIR: End-To-End Scene Text Recognition via Iterative Image Rectification
Fangneng Zhan,Shijian Lu +1 more
TL;DR: Li et al. as discussed by the authors proposed an end-to-end trainable scene text recognition system (ESIR) that iteratively removes perspective distortion and text line curvature as driven by better text recognition performance.
Journal ArticleDOI
Handwritten Optical Character Recognition (OCR): A Comprehensive Systematic Literature Review (SLR)
TL;DR: This review article serves the purpose of presenting state of the art results and techniques on OCR and also provide research directions by highlighting research gaps.
Proceedings ArticleDOI
Spatial Fusion GAN for Image Synthesis
TL;DR: Qualitative and quantitative comparisons with the state-of-the-art demonstrate the superiority of the proposed Spatial Fusion GAN (SF-GAN), which combines a geometry synthesizer and an appearance synthesizer to achieve synthesis realism in both geometry and appearance spaces.
Journal ArticleDOI
Occupancy detection in the office by analyzing surveillance videos and its application to building energy conservation
TL;DR: A novel algorithm is proposed to detect occupancy by analyzing the office surveillance videos by using a cascade classifier to detect human head, consisting of pre-classifier, main classifier and clustering analyzer.
Posted Content
Handwritten Optical Character Recognition (OCR): A Comprehensive Systematic Literature Review (SLR)
TL;DR: In this paper, a systematic literature review (SLR) is presented to summarize research that has been conducted on character recognition of handwritten documents and to provide research directions, which serve the purpose of presenting state of the art results and techniques on OCR.
References
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Proceedings ArticleDOI
Histograms of oriented gradients for human detection
Navneet Dalal,Bill Triggs +1 more
TL;DR: It is shown experimentally that grids of histograms of oriented gradient (HOG) descriptors significantly outperform existing feature sets for human detection, and the influence of each stage of the computation on performance is studied.
Proceedings ArticleDOI
Vlfeat: an open and portable library of computer vision algorithms
Andrea Vedaldi,Brian Fulkerson +1 more
TL;DR: VLFeat is an open and portable library of computer vision algorithms that includes rigorous implementations of common building blocks such as feature detectors, feature extractors, (hierarchical) k-means clustering, randomized kd-tree matching, and super-pixelization.
Proceedings ArticleDOI
Training linear SVMs in linear time
TL;DR: A Cutting Plane Algorithm for training linear SVMs that provably has training time 0(s,n) for classification problems and o(sn log (n)) for ordinal regression problems and several orders of magnitude faster than decomposition methods like svm light for large datasets.
Proceedings ArticleDOI
Detecting text in natural scenes with stroke width transform
TL;DR: A novel image operator is presented that seeks to find the value of stroke width for each image pixel, and its use on the task of text detection in natural images is demonstrated.