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Automated content analysis increasingly supports communication research, yet scaling manual coding into computational pipelines raises concerns about measurement reliability and validity. We introduce a Hierarchical Error Correction (HEC)…

Computation and Language · Computer Science 2025-10-27 Zhilong Zhao , Yindi Liu

Current text conditioned image generation methods output realistic looking images, but they fail to capture specific styles. Simply finetuning them on the target style datasets still struggles to grasp the style features. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Serkan Ozturk , Samet Hicsonmez , Pinar Duygulu

Digital humanities are significantly transforming how Egyptologists study ancient Egyptian texts. The OCR-PT-CT project proposes a recognition method for hieroglyphs based on images of Coffin Texts (CT) from Adriaan de Buck (1935-1961) and…

Hierarchical Text Classification (HTC) is a natural language processing task with the objective to classify text documents into a set of classes from a structured class hierarchy. Many HTC approaches have been proposed which attempt to…

Information Retrieval · Computer Science 2024-12-02 Jaco du Toit , Herman Redelinghuys , Marcel Dunaiski

Dysgraphia is a learning disorder that affects handwriting abilities, making it challenging for children to write legibly and consistently. Early detection and monitoring are crucial for providing timely support and interventions. This…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Vydeki D , Divyansh Bhandari , Pranav Pratap Patil , Aarush Anand Kulkarni

Handwriting Recognition enables a person to scribble something on a piece of paper and then convert it into text. If we look into the practical reality there are enumerable styles in which a character may be written. These styles can be…

Computer Vision and Pattern Recognition · Computer Science 2010-04-20 Rahul Kala , Harsh Vazirani , Anupam Shukla , Ritu Tiwari

Currently, the prevalence of online handwriting has spurred a critical need for effective retrieval systems to accurately search relevant handwriting instances from specific writers, known as online writer retrieval. Despite the growing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Peirong Zhang , Lianwen Jin

Weakly supervised semantic segmentation is typically inspired by class activation maps, which serve as pseudo masks with class-discriminative regions highlighted. Although tremendous efforts have been made to recall precise and complete…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Zesen Cheng , Pengchong Qiao , Kehan Li , Siheng Li , Pengxu Wei , Xiangyang Ji , Li Yuan , Chang Liu , Jie Chen

The Optical Character Recognition (OCR) systems have been widely used in various of application scenarios, such as office automation (OA) systems, factory automations, online educations, map productions etc. However, OCR is still a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Yuning Du , Chenxia Li , Ruoyu Guo , Xiaoting Yin , Weiwei Liu , Jun Zhou , Yifan Bai , Zilin Yu , Yehua Yang , Qingqing Dang , Haoshuang Wang

In this paper, we present an Optical Character Recognition (OCR) system specifically designed for the accurate recognition and digitization of Greek polytonic texts. By leveraging the combined strengths of convolutional layers for feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Perifanos Konstantinos , Goutsos Dionisis

Recognition and generation are two fundamental tasks in computer vision, which are often investigated separately in the exiting literature. However, these two tasks are highly correlated in essence as they both require understanding the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yisen Wang , Yao Teng , Limin Wang

Object Detection (OD) has proven to be a significant computer vision method in extracting localized class information and has multiple applications in the industry. Although many of the state-of-the-art (SOTA) OD models perform well on…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Jibinraj Antony , Vinit Hegiste , Ali Nazeri , Hooman Tavakoli , Snehal Walunj , Christiane Plociennik , Martin Ruskowski

Crew Pairing Optimization (CPO) is critical for an airlines' business viability, given that the crew operating cost is second only to the fuel cost. CPO aims at generating a set of flight sequences (crew pairings) to cover all scheduled…

Optimization and Control · Mathematics 2021-07-05 Divyam Aggarwal , Dhish Kumar Saxena , Saaju Pualose , Thomas Bäck , Michael Emmerich

In this paper, we propose a data augmentation framework for Optical Character Recognition (OCR). The proposed framework is able to synthesize new viewing angles and illumination scenarios, effectively enriching any available OCR dataset.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Andreas Spruck , Maximiliane Hawesch , Anatol Maier , Christian Riess , Jürgen Seiler , André Kaup

Recognition of Handwritten Mathematical Expressions (HMEs) is a challenging problem because of the ambiguity and complexity of two-dimensional handwriting. Moreover, the lack of large training data is a serious issue, especially for…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Anh Duc Le , Bipin Indurkhya , Masaki Nakagawa

Long-term OCR services aim to provide high-quality output to their users at competitive costs. It is essential to upgrade the models because of the complex data loaded by the users. The service providers encourage the users who provide data…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Ajoy Mondal , Rohit saluja , C. V. Jawahar

Handwritten font generation is important for preserving cultural heritage and creating personalized designs. It adds an authentic and expressive touch to printed materials, making them visually appealing and establishing a stronger…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Preeti P. Bhatt , Jitendra V. Nasriwala , Rakesh R. Savant

Bahnar, a minority language spoken across Vietnam, Cambodia, and Laos, faces significant preservation challenges due to limited research and data availability. This study addresses the critical need for accurate digitization of Bahnar…

Computation and Language · Computer Science 2026-01-07 Phat Tran , Phuoc Pham , Hung Trinh , Tho Quan

Weakly-Supervised Camouflaged Object Detection (WSCOD) has gained popularity for its promise to train models with weak labels to segment objects that visually blend into their surroundings. Recently, some methods using sparsely-annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Tsui Qin Mok , Shuyong Gao , Haozhe Xing , Miaoyang He , Yan Wang , Wenqiang Zhang

LoRA-based continual learning represents a promising avenue for leveraging pre-trained models in downstream continual learning tasks. Recent studies have shown that orthogonal LoRA tuning effectively mitigates forgetting. However, this work…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Shimou Ling , Liang Zhang , Jiangwei Zhao , Lili Pan , Hongliang Li