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Adapting large language models (LLMs) to low-resource languages remains a major challenge due to data scarcity and cross-lingual drift. This work presents a two-stage adaptation of Qwen2.5-3B to Tibetan, a morphologically rich and…

Computation and Language · Computer Science 2025-12-04 Lifeng Chen , Ryan Lai , Tianming Liu

In this paper, we introduce a fully convolutional network for the document layout analysis task. While state-of-the-art methods are using models pre-trained on natural scene images, our method Doc-UFCN relies on a U-shaped model trained…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Mélodie Boillet , Christopher Kermorvant , Thierry Paquet

Understanding digital documents is like solving a puzzle, especially historical ones. Document Layout Analysis (DLA) helps with this puzzle by dividing documents into sections like paragraphs, images, and tables. This is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Shrestha Datta , Md Adith Mollah , Raisa Fairooz , Tariful Islam Fahim

In this research paper, we introduce a novel approach designed for the purpose of segmenting the layout of Bangla documents. Our methodology involves the utilization of a sophisticated ensemble of YOLOv8 models, which were trained for the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 U Mong Sain Chak , Md. Asib Rahman

Extraction of text regions and individual text lines from historic documents is necessary for automatic transcription. We propose extending a CNN-based text baseline detection system by adding line height and text block boundary predictions…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Oldřich Kodym , Michal Hradiš

In this paper, we propose an end-to-end trainable framework for restoring historical documents content that follows the correct reading order. In this framework, two branches named character branch and layout branch are added behind the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Weihong Ma , Hesuo Zhang , Lianwen Jin , Sihang Wu , Jiapeng Wang , Yongpan Wang

Fine-grained vision-language understanding requires precise alignment between visual content and linguistic descriptions, a capability that remains limited in current models, particularly in non-English settings. While models like CLIP…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chunyu Xie , Bin Wang , Fanjing Kong , Jincheng Li , Dawei Liang , Ji Ao , Dawei Leng , Yuhui Yin

Document layout analysis is a key area in document research, involving techniques like text mining and visual analysis. Despite various methods developed to tackle layout analysis, a critical but frequently overlooked problem is the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Talha Uddin Sheikh , Tahira Shehzadi , Khurram Azeem Hashmi , Didier Stricker , Muhammad Zeshan Afzal

Manual identification of archaeological features in LiDAR imagery is labor-intensive, costly, and requires archaeological expertise. This paper shows how recent advancements in deep learning (DL) present efficient solutions for accurately…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Jincheng Zhang , William Ringle , Andrew R. Willis

Recently, leveraging large language models (LLMs) or multimodal large language models (MLLMs) for document understanding has been proven very promising. However, previous works that employ LLMs/MLLMs for document understanding have not…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Chuwei Luo , Yufan Shen , Zhaoqing Zhu , Qi Zheng , Zhi Yu , Cong Yao

Precise boundary annotations of image regions can be crucial for downstream applications which rely on region-class semantics. Some document collections contain densely laid out, highly irregular and overlapping multi-class region instances…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Abhishek Trivedi , Ravi Kiran Sarvadevabhatla

A foundational task for the digital analysis of documents is text line segmentation. However, automating this process with deep learning models is challenging because it requires large, annotated datasets that are often unavailable for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Rafael Sterzinger , Tingyu Lin , Robert Sablatnig

Handwriting recognition remains challenging for some of the most spoken languages, like Bangla, due to the complexity of line and word segmentation brought by the curvilinear nature of writing and lack of quality datasets. This paper solves…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Sheikh Mohammad Jubaer , Nazifa Tabassum , Md. Ataur Rahman , Mohammad Khairul Islam

Current text-to-image (T2I) generation models struggle to align spatial composition with the input text, especially in complex scenes. Even layout-based approaches yield suboptimal spatial control, as their generation process is decoupled…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Zheyuan Liu , Munan Ning , Qihui Zhang , Shuo Yang , Zhongrui Wang , Yiwei Yang , Xianzhe Xu , Yibing Song , Weihua Chen , Fan Wang , Li Yuan

The rapid advancement of text-to-image (T2I) diffusion models has enabled them to generate unprecedented results from given texts. However, as text inputs become longer, existing encoding methods like CLIP face limitations, and aligning the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Luping Liu , Chao Du , Tianyu Pang , Zehan Wang , Chongxuan Li , Dong Xu

Document layout analysis (DLA) plays an important role in information extraction and document understanding. At present, document layout analysis has reached a milestone achievement, however, document layout analysis of non-Manhattan is…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Tianlong Ma , Xingjiao Wu , Xin Li , Xiangcheng Du , Zhao Zhou , Liang Xue , Cheng Jin

Recent advances in saliency detection have utilized deep learning to obtain high level features to detect salient regions in a scene. These advances have demonstrated superior results over previous works that utilize hand-crafted low level…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Gayoung Lee , Yu-Wing Tai , Junmo Kim

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

We present an unsupervised deep learning method for text line segmentation that is inspired by the relative variance between text lines and spaces among text lines. Handwritten text line segmentation is important for the efficiency of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Berat Kurar Barakat , Ahmad Droby , Rym Alasam , Boraq Madi , Irina Rabaev , Raed Shammes , Jihad El-Sana

Instance-level segmentation of documents consists in assigning a class-aware and instance-aware label to each pixel of the image. It is a key step in document parsing for their understanding. In this paper, we present a unified transformer…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Ayan Banerjee , Sanket Biswas , Josep Lladós , Umapada Pal