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This paper describes a geometry based technique for feature extraction applicable to segmentation-based word recognition systems. The proposed system extracts the geometric features of the character contour. This features are based on the…

计算机视觉与模式识别 · 计算机科学 2015-03-13 Dinesh Dileep Gaurav , Renu Ramesh

Chinese Character Recognition (CCR) is a fundamental technology for intelligent document processing. Unlike Latin characters, Chinese characters exhibit unique spatial structures and compositional rules, allowing for the use of fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Yinglian Zhu , Haiyang Yu , Qizao Wang , Wei Lu , Xiangyang Xue , Bin Li

Face sketch synthesis and reputation have wide range of packages in law enforcement. Despite the amazing progresses had been made in faces cartoon and reputation, maximum current researches regard them as separate responsibilities. On this…

计算机视觉与模式识别 · 计算机科学 2023-05-03 Chandana Navuluri , Sandhya Jukanti , Raghupathi Reddy Allapuram

This paper presents a novel facial sketch image or face-sketch recognition approach based on facial feature extraction. To recognize a face-sketch, we have concentrated on a set of geometric face features like eyes, nose, eyebrows, lips,…

计算机视觉与模式识别 · 计算机科学 2013-12-06 Sourav Pramanik , Debotosh Bhattacharjee

This work presents a comparison of machine learning algorithms that are implemented to segment the characters of text presented as an image. The algorithms are designed to work on degraded documents with text that is not aligned in an…

计算机视觉与模式识别 · 计算机科学 2021-07-29 P Preethi , Hrishikesh Viswanath

This paper aims to make a graph representing an essential skeleton of a character from an image that includes a machine printed or a handwritten character using growing neural gas (GNG) method and relative network graph (RNG) algorithm. The…

计算机视觉与模式识别 · 计算机科学 2022-02-02 Kazuhisa Fujita

Proliferation of touch-based devices has made sketch-based image retrieval practical. While many methods exist for sketch-based object detection/image retrieval on small datasets, relatively less work has been done on large (web)-scale…

计算机视觉与模式识别 · 计算机科学 2015-11-03 Sarthak Parui , Anurag Mittal

In this paper, we propose an effective scene text recognition method using sparse coding based features, called Histograms of Sparse Codes (HSC) features. For character detection, we use the HSC features instead of using the Histograms of…

计算机视觉与模式识别 · 计算机科学 2015-12-31 Da-Han Wang , Hanzi Wang , Dong Zhang , Jonathan Li , David Zhang

Scene text recognition has attracted great interests from the computer vision and pattern recognition community in recent years. State-of-the-art methods use concolutional neural networks (CNNs), recurrent neural networks with long…

计算机视觉与模式识别 · 计算机科学 2017-09-07 Fei Yin , Yi-Chao Wu , Xu-Yao Zhang , Cheng-Lin Liu

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…

计算机视觉与模式识别 · 计算机科学 2013-11-27 V. Karthikeyan

Scene text recognition (STR) has been extensively studied in last few years. Many recently-proposed methods are specially designed to accommodate the arbitrary shape, layout and orientation of scene texts, but ignoring that various font (or…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Yizhi Wang , Zhouhui Lian

Precise homography estimation between multiple images is a pre-requisite for many computer vision applications. One application that is particularly relevant in today's digital era is the alignment of scanned or camera-captured document…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Kushagra Mahajan , Monika Sharma , Lovekesh Vig

In this work, our objective is to address the problems of generalization and flexibility for text recognition in documents. We introduce a new model that exploits the repetitive nature of characters in languages, and decouples the visual…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Chuhan Zhang , Ankush Gupta , Andrew Zisserman

Scene text detection methods based on neural networks have emerged recently and have shown promising results. Previous methods trained with rigid word-level bounding boxes exhibit limitations in representing the text region in an arbitrary…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee

Freehand sketches often contain sparse visual detail. In spite of the sparsity, they are easily and consistently recognized by humans across cultures, languages and age groups. Therefore, analyzing such sparse sketches can aid our…

计算机视觉与模式识别 · 计算机科学 2015-02-05 Ravi Kiran Sarvadevabhatla , R. Venkatesh Babu

Contemporary deep learning techniques have made image recognition a reasonably reliable technology. However training effective photo classifiers typically takes numerous examples which limits image recognition's scalability and…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Conghui Hu , Da Li , Yi-Zhe Song , Tao Xiang , Timothy M. Hospedales

Neural machine translation has achieved remarkable empirical performance over standard benchmark datasets, yet recent evidence suggests that the models can still fail easily dealing with substandard inputs such as misspelled words, To…

计算与语言 · 计算机科学 2020-10-21 Haohan Wang , Peiyan Zhang , Eric P. Xing

Conceptualizing away the sketch processing details in a user interface will enable general users and domain experts to create more complex sketches. There are many domains for which sketch recognition systems are being developed. But they…

计算机视觉与模式识别 · 计算机科学 2012-11-13 Vasudha Vashisht , Tanupriya Choudhury , T. V. Prasad

Recent deep image-to-image translation techniques allow fast generation of face images from freehand sketches. However, existing solutions tend to overfit to sketches, thus requiring professional sketches or even edge maps as input. To…

图形学 · 计算机科学 2020-06-09 Shu-Yu Chen , Wanchao Su , Lin Gao , Shihong Xia , Hongbo Fu

Stroke extraction of Chinese characters plays an important role in the field of character recognition and generation. The most existing character stroke extraction methods focus on image morphological features. These methods usually lead to…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Meng Li , Yahan Yu , Yi Yang , Guanghao Ren , Jian Wang
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