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Recent advances in vision-language models (VLMs) have enabled end-to-end document parsing and understanding, achieving strong performance on diverse optical character recognition (OCR) tasks. However, VLMs are prone to generate words that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Qian Chen , Xianyin Zhang , Lifan Guo , Feng Chen , Chi Zhang

Conventional optical character recognition (OCR) techniques segmented each character and then recognized. This made them prone to error in character segmentation, and devoid of context to exploit language models. Advances in sequence to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Shashank Vempati , Nishit Anand , Gaurav Talebailkar , Arpan Garai , Chetan Arora

Predicting the binding structure of a small molecule ligand to a protein -- a task known as molecular docking -- is critical to drug design. Recent deep learning methods that treat docking as a regression problem have decreased runtime…

Biomolecules · Quantitative Biology 2023-02-14 Gabriele Corso , Hannes Stärk , Bowen Jing , Regina Barzilay , Tommi Jaakkola

Document intelligence requires accurate text extraction and reliable reasoning over document content. We introduce \textbf{DISCO}, a \emph{Document Intelligence Suite for COmparative Evaluation}, that evaluates optical character recognition…

Computation and Language · Computer Science 2026-03-26 Kenza Benkirane , Dan Goldwater , Martin Asenov , Aneiss Ghodsi

We propose an end-to-end recurrent encoder-decoder based sequence learning approach for printed text Optical Character Recognition (OCR). In contrast to present day existing state-of-art OCR solution which uses connectionist temporal…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 Devendra Kumar Sahu , Mohak Sukhwani

Masked Diffusion Models (MDMs) offer a promising alternative to autoregressive language models by enabling parallel token generation and bidirectional context modeling. However, their inference speed is significantly limited by the…

Machine Learning · Computer Science 2026-04-08 Satyam Goyal , Kushal Patel , Tanush Mittal , Arjun Laxman

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne

Diffusion models (DMs) have revolutionized image generation, producing high-quality images with applications spanning various fields. However, their ability to create hyper-realistic images poses significant challenges in distinguishing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Santosh , Li Lin , Irene Amerini , Xin Wang , Shu Hu

Removing degradation from document images not only improves their visual quality and readability, but also enhances the performance of numerous automated document analysis and recognition tasks. However, existing regression-based methods…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Zongyuan Yang , Baolin Liu , Yongping Xiong , Lan Yi , Guibin Wu , Xiaojun Tang , Ziqi Liu , Junjie Zhou , Xing Zhang

Document parsing is a core task in document intelligence, supporting applications such as information extraction, retrieval-augmented generation, and automated document analysis. However, real-world documents often feature complex layouts…

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

Optical Character Recognition (OCR) for data extraction from documents is essential to intelligent informatics, such as digitizing medical records and recognizing road signs. Multi-modal Large Language Models (LLMs) can solve this task and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hyakka Nakada , Yoshiyasu Tanaka

Optical character recognition (OCR) is a vital process that involves the extraction of handwritten or printed text from scanned or printed images, converting it into a format that can be understood and processed by machines. This enables…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Mahmoud SalahEldin Kasem , Mohamed Mahmoud , Hyun-Soo Kang

While Diffusion Language Models (DLMs) are theoretically well-suited for iterative refinement due to their non-causal structure, they often fail to reliably revise incorrect tokens in practice. The key challenge lies in the model's…

Machine Learning · Computer Science 2026-01-30 Shuibai Zhang , Fred Zhangzhi Peng , Yiheng Zhang , Jin Pan , Grigorios G. Chrysos

Learning visual representations is foundational for a broad spectrum of downstream tasks. Although recent vision-language contrastive models, such as CLIP and SigLIP, have achieved impressive zero-shot performance via large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yin Xie , Kaicheng Yang , Xiang An , Kun Wu , Yongle Zhao , Weimo Deng , Zimin Ran , Yumeng Wang , Ziyong Feng , Roy Miles , Ismail Elezi , Jiankang Deng

Diffusion Language Models (DLMs) have shown strong potential for text generation and are becoming a competitive alternative to autoregressive models. The denoising strategy plays an important role in determining the quality of their…

Machine Learning · Computer Science 2026-03-03 Haojin Yang , Rui Hu , Zequn Sun , Rui Zhou , Yujun Cai , Yiwei Wang

Current Video Large Language Models (Video LLMs) typically encode frames via a vision encoder and employ an autoregressive (AR) LLM for understanding and generation. However, this AR paradigm inevitably faces a dual efficiency bottleneck:…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Zhihao He , Tieyuan Chen , Kangyu Wang , Ziran Qin , Yang Shao , Chaofan Gan , Shijie Li , Zuxuan Wu , Weiyao Lin

Attention mechanism has been crucial for image diffusion models, however, their quadratic computational complexity limits the sizes of images we can process within reasonable time and memory constraints. This paper investigates the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Ethan Smith , Nayan Saxena , Aninda Saha

Optical Character Recognition (OCR) has been a topic of interest for many years. It is defined as the process of digitizing a document image into its constituent characters. Despite decades of intense research, developing OCR with…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Noman Islam , Zeeshan Islam , Nazia Noor

Understanding visually situated language requires interpreting complex layouts of textual and visual elements. Pre-processing tools, such as optical character recognition (OCR), can map document image inputs to textual tokens, then large…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Wang Zhu , Alekh Agarwal , Mandar Joshi , Robin Jia , Jesse Thomason , Kristina Toutanova