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When asked to describe a molecular diagram, a Vision-Language Model correctly identifies ``a benzene ring with an -OH group.'' When asked to reason about the same image, it answers incorrectly. The model can see but it cannot think about…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Dikshant Kukreja , Kshitij Sah , Karan Goyal , Mukesh Mohania , Vikram Goyal

Optical Character Recognition (OCR) in multilingual, noisy, and diverse real-world images remains a significant challenge for optical character recognition systems. With the rise of Large Vision-Language Models (LVLMs), there is growing…

Computation and Language · Computer Science 2025-09-05 Aryan Gupta , Anupam Purwar

Visual Text Rendering (VTR) remains a critical challenge in text-to-image generation, where even advanced models frequently produce text with structural anomalies such as distortion, blurriness, and misalignment. However, we find that…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Hanshen Zhu , Yuliang Liu , Xuecheng Wu , An-Lan Wang , Hao Feng , Dingkang Yang , Chao Feng , Can Huang , Jingqun Tang , Xiang Bai

Recent advances in Multi-modal Large Language Models (MLLMs) have showcased remarkable capabilities in vision-language understanding. However, enabling robust video spatial reasoning-the ability to comprehend object locations, orientations,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Haoran Tang , Meng Cao , Ruyang Liu , Xiaoxi Liang , Linglong Li , Ge Li , Xiaodan Liang

This paper presents HunyuanOCR, a commercial-grade, open-source, and lightweight (1B parameters) Vision-Language Model (VLM) dedicated to OCR tasks. The architecture comprises a Native Vision Transformer (ViT) and a lightweight LLM…

Manchu, a critically endangered language essential for understanding early modern Eastern Eurasian history, lacks effective OCR systems that can handle real-world historical documents. This study develops high-performing OCR systems by…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yan Hon Michael Chung , Donghyeok Choi

In recent years, Multi-modal Large Language Models (MLLMs) have achieved strong performance in OCR-centric Visual Question Answering (VQA) tasks, illustrating their capability to process heterogeneous data and exhibit adaptability across…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Chen Duan , Zhentao Guo , Pei Fu , Zining Wang , Kai Zhou , Pengfei Yan

Video Large Language Models (Video LLMs) have shown remarkable progress in understanding and reasoning about visual content, particularly in tasks involving text recognition and text-based visual question answering (Text VQA). However,…

Reading dense text and locating objects within images are fundamental abilities for Large Vision-Language Models (LVLMs) tasked with advanced jobs. Previous LVLMs, including superior proprietary models like GPT-4o, have struggled to excel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Ya-Qi Yu , Minghui Liao , Jiwen Zhang , Jihao Wu

Neural language models are the backbone of modern-day natural language processing applications. Their use on textual heritage collections which have undergone Optical Character Recognition (OCR) is therefore also increasing. Nevertheless,…

Computation and Language · Computer Science 2022-02-02 Konstantin Todorov , Giovanni Colavizza

Vision-Language Model (VLM) have gained widespread adoption in Open-Vocabulary (OV) object detection and segmentation tasks. Despite they have shown promise on OV-related tasks, their effectiveness in conventional vision tasks has thus far…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yongchao Feng , Yajie Liu , Shuai Yang , Wenrui Cai , Jinqing Zhang , Qiqi Zhan , Ziyue Huang , Hongxi Yan , Qiao Wan , Chenguang Liu , Junzhe Wang , Jiahui Lv , Ziqi Liu , Tengyuan Shi , Qingjie Liu , Yunhong Wang

Spelling correction from visual input poses unique challenges for vision language models (VLMs), as it requires not only detecting but also correcting textual errors directly within images. We present ReViCo (Real Visual Correction), the…

Computation and Language · Computer Science 2025-09-23 Junhong Liang , Bojun Zhang

Vision-language models (VLMs) achieve remarkable success in single-image tasks. However, real-world scenarios often involve intricate multi-image inputs, leading to a notable performance decline as models struggle to disentangle critical…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Juntian Zhang , Chuanqi cheng , Yuhan Liu , Wei Liu , Jian Luan , Rui Yan

Recent advancements in multimodal slow-thinking systems have demonstrated remarkable performance across various visual reasoning tasks. However, their capabilities in text-rich image reasoning tasks remain understudied due to the absence of…

Machine Learning · Computer Science 2026-05-27 Mingxin Huang , Yongxin Shi , Dezhi Peng , Songxuan Lai , Zecheng Xie , Lianwen Jin

Vision--language models reliably name objects in a scene, but do they represent the 3D layout those objects inhabit? We introduce a 3,034-sample human-curated benchmark targeting three components of spatial understanding: depth-ordered…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Animesh Maheshwari , Divyansh Sahu , Nishit Verma

In this work, we introduce the Qwen-VL series, a set of large-scale vision-language models (LVLMs) designed to perceive and understand both texts and images. Starting from the Qwen-LM as a foundation, we endow it with visual capacity by the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Jinze Bai , Shuai Bai , Shusheng Yang , Shijie Wang , Sinan Tan , Peng Wang , Junyang Lin , Chang Zhou , Jingren Zhou

We present DeepSeek-OCR 2 to investigate the feasibility of a novel encoder-DeepEncoder V2-capable of dynamically reordering visual tokens upon image semantics. Conventional vision-language models (VLMs) invariably process visual tokens in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Haoran Wei , Yaofeng Sun , Yukun Li

Detecting and recognizing text in natural scene images is a challenging, yet not completely solved task. In re- cent years several new systems that try to solve at least one of the two sub-tasks (text detection and text recognition) have…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Christian Bartz , Haojin Yang , Christoph Meinel

Engineering drawings are fundamental to manufacturing communication, serving as the primary medium for conveying design intent, tolerances, and production details. However, interpreting complex multi-view drawings with dense annotations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Wenhe Feng , Nicholas Yew Jin Tan , Seung Ki Moon

Optical Chemical Structure Recognition (OCSR) is critical for converting 2D molecular diagrams from printed literature into machine-readable formats. While Vision-Language Models have shown promise in end-to-end OCR tasks, their direct…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Haocheng Tang , Xingyu Dang , Junmei Wang