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Prior study shows that pre-training techniques can boost the performance of visual document understanding (VDU), which typically requires models to gain abilities to perceive and reason both document texts and layouts (e.g., locations of…

Computation and Language · Computer Science 2024-03-28 Zhiming Mao , Haoli Bai , Lu Hou , Jiansheng Wei , Xin Jiang , Qun Liu , Kam-Fai Wong

Document AI aims to automatically analyze documents by leveraging natural language processing and computer vision techniques. One of the major tasks of Document AI is document layout analysis, which structures document pages by interpreting…

Computation and Language · Computer Science 2023-08-31 Sotirios Kastanas , Shaomu Tan , Yi He

This paper investigates the role of saliency to improve the classification accuracy of a Convolutional Neural Network (CNN) for the case when scarce training data is available. Our approach consists in adding a saliency branch to an…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Carola Figueroa Flores , Abel Gonzalez-García , Joost van de Weijer , Bogdan Raducanu

Recent advancements in diffusion models have enabled a wide range of works exploiting their ability to generate high-volume, high-quality data for use in various downstream tasks. One subclass of such models, dubbed Layout-to-Image…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Ahmed Abdullah , Nikolas Ebert , Oliver Wasenmüller

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jiawei Wang , Changjian Li

Pre-training techniques have been verified successfully in a variety of NLP tasks in recent years. Despite the widespread use of pre-training models for NLP applications, they almost exclusively focus on text-level manipulation, while…

Computation and Language · Computer Science 2020-06-17 Yiheng Xu , Minghao Li , Lei Cui , Shaohan Huang , Furu Wei , Ming Zhou

Existing GAN inversion and editing methods work well for aligned objects with a clean background, such as portraits and animal faces, but often struggle for more difficult categories with complex scene layouts and object occlusions, such as…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Gaurav Parmar , Yijun Li , Jingwan Lu , Richard Zhang , Jun-Yan Zhu , Krishna Kumar Singh

In this paper, a text line identification method is proposed. The text lines of printed document are easy to segment due to uniform straightness of the lines and sufficient gap between the lines. But in handwritten documents, the line is…

Computer Vision and Pattern Recognition · Computer Science 2016-08-19 Chandranath Adak , Bidyut B. Chaudhuri

Few-shot segmentation aims at assigning a category label to each image pixel with few annotated samples. It is a challenging task since the dense prediction can only be achieved under the guidance of latent features defined by sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Kai Zhu , Wei Zhai , Zheng-Jun Zha , Yang Cao

Enterprise documents such as forms, invoices, receipts, reports, contracts, and other similar records, often carry rich semantics at the intersection of textual and spatial modalities. The visual cues offered by their complex layouts play a…

Computation and Language · Computer Science 2024-01-03 Dongsheng Wang , Natraj Raman , Mathieu Sibue , Zhiqiang Ma , Petr Babkin , Simerjot Kaur , Yulong Pei , Armineh Nourbakhsh , Xiaomo Liu

Document layout analysis is essential for downstream tasks such as information retrieval, extraction, OCR, and digitization. However, existing large-scale datasets like PubLayNet and DocBank lack fine-grained region labels and multilingual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Oikantik Nath , Sahithi Kukkala , Mitesh Khapra , Ravi Kiran Sarvadevabhatla

We introduce a new dataset for offline Handwritten Text Recognition (HTR) from images of Bangla scripts comprising words, lines, and document-level annotations. The BN-HTRd dataset is based on the BBC Bangla News corpus, meant to act as…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Md. Ataur Rahman , Nazifa Tabassum , Mitu Paul , Riya Pal , Mohammad Khairul Islam

The challenges of high intra-class variance yet low inter-class fluctuations in fine-grained visual categorization are more severe with few labeled samples, \textit{i.e.,} Fine-Grained categorization problems under the Few-Shot setting…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Huaxi Huang , Junjie Zhang , Jian Zhang , Qiang Wu , Chang Xu

An image line segment is a fundamental low-level visual feature that delineates straight, slender, and uninterrupted portions of objects and scenarios within images. Detection and description of line segments lay the basis for numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xinyu Lin , Yingjie Zhou , Yipeng Liu , Ce Zhu

Sequence labeling (SL) is a fundamental research problem encompassing a variety of tasks, e.g., part-of-speech (POS) tagging, named entity recognition (NER), text chunking, etc. Though prevalent and effective in many downstream applications…

Computation and Language · Computer Science 2020-11-16 Zhiyong He , Zanbo Wang , Wei Wei , Shanshan Feng , Xianling Mao , Sheng Jiang

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Vision-and-Language Navigation (VLN) requires an embodied agent to traverse complex environments by following natural language instructions, demanding accurate alignment between visual observations and linguistic guidance. Despite recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Yaohua Liu , Xinyuan Song , Yunfu Deng , Yifan Xie , Binkai Ou , Yan Zhong

Line segments are ubiquitous in our human-made world and are increasingly used in vision tasks. They are complementary to feature points thanks to their spatial extent and the structural information they provide. Traditional line detectors…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Rémi Pautrat , Daniel Barath , Viktor Larsson , Martin R. Oswald , Marc Pollefeys

Historical palm-leaf manuscript and early paper documents from Indian subcontinent form an important part of the world's literary and cultural heritage. Despite their importance, large-scale annotated Indic manuscript image datasets do not…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Abhishek Prusty , Sowmya Aitha , Abhishek Trivedi , Ravi Kiran Sarvadevabhatla

Text line segmentation is one of the pre-stages of modern optical character recognition systems. The algorithmic approach proposed by this paper has been designed for this exact purpose. Its main characteristic is the combination of two…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Pit Schneider