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Related papers: Towards Writer Retrieval for Historical Datasets

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This paper addresses writer identification and writer retrieval which is considered as a challenging problem in the document analysis and recognition field. In this work, a novel pipeline is proposed for the problem at hand by employing a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Shervin Rasoulzadeh , Bagher Babaali

While methods based on Vision Transformers (ViT) have achieved state-of-the-art performance in many domains, they have not yet been applied successfully in the domain of writer retrieval. The field is dominated by methods using handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Tim Raven , Arthur Matei , Gernot A. Fink

This paper investigates the task of writer retrieval, which identifies documents authored by the same individual within a dataset based on handwriting similarities. While existing datasets and methodologies primarily focus on page level…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Marco Peer , Robert Sablatnig , Florian Kleber

Data augmentation is usually used by supervised learning approaches for offline writer identification, but such approaches require extra training data and potentially lead to overfitting errors. In this study, a semi-supervised feature…

Machine Learning · Computer Science 2019-05-28 Shiming Chen , Yisong Wang , Chin-Teng Lin , Weiping Ding , Zehong Cao

With the fast growth of the Internet, more and more information is available on the Web. The Semantic Web has many features which cannot be handled by using the traditional search engines. It extracts metadata for each discovered Web…

Artificial Intelligence · Computer Science 2011-11-30 Ahmed Tolba , Nabila Eladawi , Mohammed Elmogy

Automatic writer identification is a common problem in document analysis. State-of-the-art methods typically focus on the feature extraction step with traditional or deep-learning-based techniques. In retrieval problems, re-ranking is a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Simon Jordan , Mathias Seuret , Pavel Král , Ladislav Lenc , Jiří Martínek , Barbara Wiermann , Tobias Schwinger , Andreas Maier , Vincent Christlein

We present an approach to improving the precision of an initial document ranking wherein we utilize cluster information within a graph-based framework. The main idea is to perform re-ranking based on centrality within bipartite graphs of…

Information Retrieval · Computer Science 2008-04-24 Oren Kurland , Lillian Lee

This paper proposes a deep-learning-based approach to writer retrieval and identification for papyri, with a focus on identifying fragments associated with a specific writer and those corresponding to the same image. We present a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-06-23 Marco Peer , Robert Sablatnig

Inverted file structure is a common technique for accelerating dense retrieval. It clusters documents based on their embeddings; during searching, it probes nearby clusters w.r.t. an input query and only evaluates documents within them by…

Information Retrieval · Computer Science 2023-10-18 Peitian Zhang , Zheng Liu , Shitao Xiao , Zhicheng Dou , Jing Yao

This paper introduces SAGHOG, a self-supervised pretraining strategy for writer retrieval using HOG features of the binarized input image. Our preprocessing involves the application of the Segment Anything technique to extract handwriting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Marco Peer , Florian Kleber , Robert Sablatnig

Deep Convolutional Neural Networks (CNN) have shown great success in supervised classification tasks such as character classification or dating. Deep learning methods typically need a lot of annotated training data, which is not available…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Vincent Christlein , Martin Gropp , Stefan Fiel , Andreas Maier

This paper proposes a novel scheme to identify the authorship of a document based on handwritten input word images of an individual. Our approach is text-independent and does not place any restrictions on the size of the input word images…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Vineet Kumar , Suresh Sundaram

We present a novel deep-learning-based method to cluster words in documents which we apply to detect and recognize tables given the OCR output. We interpret table structure bottom-up as a graph of relations between pairs of words (belonging…

Machine Learning · Computer Science 2024-05-24 Marek Polewczyk , Marco Spinaci

This paper presents an end-to-end neural network system to identify writers through handwritten word images, which jointly integrates global-context information and a sequence of local fragment-based features. The global-context information…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Sheng He , Lambert Schomaker

This paper proposes a Clustering, Labeling, then Augmenting framework that significantly enhances performance in Semi-Supervised Text Classification (SSTC) tasks, effectively addressing the challenge of vast datasets with limited labeled…

Computation and Language · Computer Science 2024-12-30 Shan Zhong , Jiahao Zeng , Yongxin Yu , Bohong Lin

Offline handwriting recognition (HWR) has improved significantly with the advent of deep learning architectures in recent years. Nevertheless, it remains a challenging problem and practical applications often rely on post-processing…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Andrey Totev , Tomas Ward

This paper studies fast fusion of dense retrieval and sparse lexical retrieval, and proposes a cluster-based selective dense retrieval method called CluSD guided by sparse lexical retrieval. CluSD takes a lightweight cluster-based approach…

Information Retrieval · Computer Science 2025-02-18 Yingrui Yang , Parker Carlson , Yifan Qiao , Wentai Xie , Shanxiu He , Tao Yang

This paper revisits cluster-based retrieval that partitions the inverted index into multiple groups and skips the index partially at cluster and document levels during online inference using a learned sparse representation. It proposes an…

Information Retrieval · Computer Science 2024-04-16 Yifan Qiao , Shanxiu He , Yingrui Yang , Parker Carlson , Tao Yang

The analysis of digitized historical manuscripts is typically addressed by paleographic experts. Writer identification refers to the classification of known writers while writer retrieval seeks to find the writer by means of image…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Vincent Christlein , Isabelle Marthot-Santaniello , Martin Mayr , Anguelos Nicolaou , Mathias Seuret

Writer identification due to its widespread application in various fields has gained popularity over the years. In scenarios where optimum handwriting samples are available, whether they be in the form of a single line, a sentence, or an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Vineet Kumar , Suresh Sundaram
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