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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

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

This work presents novel methods to reduce computational and memory requirements for medical image segmentation with a large number of classes. We curiously observe challenges in maintaining state-of-the-art segmentation performance with…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Aaron Kujawa , Thomas Booth , Tom Vercauteren

We present CV4Code, a compact and effective computer vision method for sourcecode understanding. Our method leverages the contextual and the structural information available from the code snippet by treating each snippet as a…

Software Engineering · Computer Science 2022-05-19 Ruibo Shi , Lili Tao , Rohan Saphal , Fran Silavong , Sean J. Moran

Large-scale pre-trained multi-modal models (e.g., CLIP) demonstrate strong zero-shot transfer capability in many discriminative tasks. Their adaptation to zero-shot image-conditioned text generation tasks has drawn increasing interest.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Wei Li , Linchao Zhu , Longyin Wen , Yi Yang

Hierarchical Text Classification (HTC) aims to assign texts to structured label hierarchies; however, it faces challenges due to data scarcity and model complexity. This study explores the feasibility of using black box Large Language…

Computation and Language · Computer Science 2025-08-07 Kosuke Yoshimura , Hisashi Kashima

Like other problems in computer vision, offline handwritten Chinese character recognition (HCCR) has achieved impressive results using convolutional neural network (CNN)-based methods. However, larger and deeper networks are needed to…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Xuefeng Xiao , Lianwen Jin , Yafeng Yang , Weixin Yang , Jun Sun , Tianhai Chang

Many steganographic techniques were proposed for hiding secret message inside images, the simplest of them being the LSB data hiding. In this paper, we suggest a novel data hiding technique in an HTML Web page and also propose some simple…

Cryptography and Security · Computer Science 2010-03-19 Hameed Al_Qaheri , Sandipan Dey , Sugata Sanyal

Despite advances in multilingual automatic speech recognition (ASR), code-switching (CS), the mixing of languages within an utterance common in daily speech, remains a severely underexplored challenge. In this paper, we introduce HiKE: the…

Computation and Language · Computer Science 2026-01-14 Gio Paik , Yongbeom Kim , Soungmin Lee , Sangmin Ahn , Chanwoo Kim

We present a novel algorithm for optimizing the order in which Chinese characters are learned, one that incorporates the benefits of learning them in order of usage frequency and in order of their hierarchal structural relationships. We…

Computation and Language · Computer Science 2017-02-08 James C. Loach , Jinzhao Wang

Optical Character Recognition (OCR) on historical printings is a challenging task mainly due to the complexity of the layout and the highly variant typography. Nevertheless, in the last few years great progress has been made in the area of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Christian Reul , Dennis Christ , Alexander Hartelt , Nico Balbach , Maximilian Wehner , Uwe Springmann , Christoph Wick , Christine Grundig , Andreas Büttner , Frank Puppe

We investigate the task of retrieving information from compositional distributed representations formed by Hyperdimensional Computing/Vector Symbolic Architectures and present novel techniques which achieve new information rate bounds.…

Neural and Evolutionary Computing · Computer Science 2023-05-29 Denis Kleyko , Connor Bybee , Ping-Chen Huang , Christopher J. Kymn , Bruno A. Olshausen , E. Paxon Frady , Friedrich T. Sommer

Recognizing characters and predicting speakers of dialogue are critical for comic processing tasks, such as voice generation or translation. However, because characters vary by comic title, supervised learning approaches like training…

Multimedia · Computer Science 2024-09-06 Yingxuan Li , Ryota Hinami , Kiyoharu Aizawa , Yusuke Matsui

HOCR is abbreviated as Handwritten Optical Character Recognition. HOCR is a process of recognition of different handwritten characters from a digital image of documents. Handwritten automatic character recognition has attracted many…

Computer Vision and Pattern Recognition · Computer Science 2014-10-28 Sadanand A. Kulkarni , Prashant L. Borde , Ramesh R. Manza , Pravin L. Yannawar

Optical Character Recognition (OCR) has many real world applications. The existing methods normally detect where the characters are, and then recognize the character for each detected location. Thus the accuracy of characters recognition is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Baohua Sun , Michael Lin , Hao Sha , Lin Yang

Embedding methods such as word embedding have become pillars for many applications containing discrete structures. Conventional embedding methods directly associate each symbol with a continuous embedding vector, which is equivalent to…

Machine Learning · Computer Science 2017-12-12 Ting Chen , Martin Renqiang Min , Yizhou Sun

Label hierarchies widely exist in many vision-related problems, ranging from explicit label hierarchies existed in image classification to latent label hierarchies existed in semantic segmentation. Nevertheless, state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Hao-Yun Chen , Li-Huang Tsai , Shih-Chieh Chang , Jia-Yu Pan , Yu-Ting Chen , Wei Wei , Da-Cheng Juan

Teaching Computer Science (CS) by having students write programs by hand on paper has key pedagogical advantages: It allows focused learning and requires careful thinking compared to the use of Integrated Development Environments (IDEs)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Md Sazzad Islam , Moussa Koulako Bala Doumbouya , Christopher D. Manning , Chris Piech

Hierarchical text classification (HTC) is a special sub-task of multi-label classification (MLC) whose taxonomy is constructed as a tree and each sample is assigned with at least one path in the tree. Latest HTC models contain three…

Computation and Language · Computer Science 2024-08-13 Zhijian Chen , Zhonghua Li , Jianxin Yang , Ye Qi

Text and formulas constitute the core informational components of many documents. Accurately and efficiently recognizing both is crucial for developing robust and generalizable document parsing systems. Recently, vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Yongkun Du , Zhineng Chen , Yazhen Xie , Weikang Bai , Hao Feng , Wei Shi , Yuchen Su , Can Huang , Yu-Gang Jiang