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Related papers: Optical Character Recognition, Using K-Nearest Nei…

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Nearest neighbor search is known as a challenging issue that has been studied for several decades. Recently, this issue becomes more and more imminent in viewing that the big data problem arises from various fields. In this paper, a…

Computer Vision and Pattern Recognition · Computer Science 2017-02-06 Wan-Lei Zhao , Jie Yang , Cheng-Hao Deng

This paper proposes a new algorithm for reducing Approximate Nearest Neighbor problem to Approximate Near Neighbor problem. The advantage of this algorithm is that it achieves O(log n) query time. As a reduction problem, the uery time…

Data Structures and Algorithms · Computer Science 2018-09-27 Hengzhao Ma , Jianzhong Li

Optical Character Recognition (OCR) systems have been widely used in various applications for extracting semantic information from images. To give the user more control over their privacy, an on-device solution is needed. The current…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Rachit S Munjal , Arun D Prabhu , Nikhil Arora , Sukumar Moharana , Gopi Ramena

Approximate K nearest neighbor (AKNN) search is a fundamental and challenging problem. We observe that in high-dimensional space, the time consumption of nearly all AKNN algorithms is dominated by that of the distance comparison operations…

Data Structures and Algorithms · Computer Science 2023-03-20 Jianyang Gao , Cheng Long

In this research, we present a heuristic method for character recognition. For this purpose, a sketch is constructed from the image that contains the character to be recognized. This sketch contains the most important pixels of image that…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Masoud Nosrati , Fakhereh Rahimi , Ronak Karimi

In this paper we study the recognition of handwritten characters from data captured by a novel wearable electro-textile sensor panel. The data is collected sequentially, such that we record both the stroke order and the resulting bitmap. We…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Leevi Raivio , Han He , Johanna Virkki , Heikki Huttunen

This paper introduces an open-source benchmark for evaluating Vision-Language Models (VLMs) on Optical Character Recognition (OCR) tasks in dynamic video environments. We present a curated dataset containing 1,477 manually annotated frames…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Sankalp Nagaonkar , Augustya Sharma , Ashish Choithani , Ashutosh Trivedi

Chinese is one of the most widely used languages in the world, yet online handwritten Chinese character recognition (OLHCCR) remains challenging. To recognize Chinese characters, one popular choice is to adopt the 2D convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ji Gan , Weiqiang Wang , Ke Lu

The development of Information Technology has been increasingly changing the means of information exchange leading to the need of digitizing print documents. In the present era, there is a lot of fraud that often occur. To avoid account…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Firhan Maulana Rusli , Kevin Akbar Adhiguna , Hendy Irawan

In the k-nearest neighbor algorithm (k-NN), the determination of classes for test instances is usually performed via a majority vote system, which may ignore the similarities among data. In this research, the researcher proposes an approach…

Machine Learning · Computer Science 2019-06-13 Jasper Kyle Catapang

In the present work, we have used Tesseract 2.01 open source Optical Character Recognition (OCR) Engine under Apache License 2.0 for recognition of handwriting samples of lower case Roman script. Handwritten isolated and free-flow text…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Subhadip Basu

Face recognition is a popular application of pat- tern recognition methods, and it faces challenging problems including illumination, expression, and pose. The most popular way is to learn the subspaces of the face images so that it could…

Computer Vision and Pattern Recognition · Computer Science 2014-02-25 Huanguo Zhang , Sha Lv , Wei Li , Xun Qu

Nearest neighbors is a successful and long-standing technique for anomaly detection. Significant progress has been recently achieved by self-supervised deep methods (e.g. RotNet). Self-supervised features however typically under-perform…

Machine Learning · Computer Science 2020-02-25 Liron Bergman , Niv Cohen , Yedid Hoshen

Efficient and accurate object detection is an important topic in the development of computer vision systems. With the advent of deep learning techniques, the accuracy of object detection has increased significantly. The project aims to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Md Pranto , Omar Faruk

Word error rate of an ocr is often higher than its character error rate. This is especially true when ocrs are designed by recognizing characters. High word accuracies are critical to tasks like the creation of content in digital libraries…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Deepayan Das , Jerin Philip , Minesh Mathew , C. V. Jawahar

Object detection and identification is a challenging area of computer vision and a fundamental requirement for autonomous cars. This project aims to jointly perform object detection of a swap-body and to find the type of swap-body by…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Ebin Zacharias , Didier Stricker , Martin Teuchler , Kripasindhu Sarkar

A large number of publications are available for the Optical Character Recognition (OCR). Significant researches, as well as articles are present for the Latin, Chinese and Japanese scripts. Arabic script is also one of mature script from…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Dil Nawaz Hakro , A. Z. Talib , Zeeshan Bhatti , G. N. Moja

Character identification plays a vital role in the contemporary world of Image processing. It can solve many composite problems and makes humans work easier. An instance is Handwritten Character detection. Handwritten recognition is not a…

Computer Vision and Pattern Recognition · Computer Science 2014-01-24 V. Karthikeyan , M. Divya , C. K. Chithra , K. Manju Priya

The weighted k-nearest neighbors algorithm is one of the most fundamental non-parametric methods in pattern recognition and machine learning. The question of setting the optimal number of neighbors as well as the optimal weights has…

Machine Learning · Statistics 2017-01-26 Oren Anava , Kfir Y. Levy

Modern neural network technologies, including large language models, have achieved remarkable success in various applied artificial intelligence applications, however, they face a range of fundamental limitations. Among them are…

Artificial Intelligence · Computer Science 2025-08-27 I. I. Priezzhev , D. A. Danko , A. V. Shubin
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