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Image inpainting is the task of reconstructing missing or damaged parts of an image in a way that seamlessly blends with the surrounding content. With the advent of advanced generative models, especially diffusion models and generative…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Xingzhong Hou , Jie Wu , Boxiao Liu , Yi Zhang , Guanglu Song , Yunpeng Liu , Yu Liu , Haihang You

Diffusion models represent the state-of-the-art in generative modeling. Due to their high training costs, many works leverage pre-trained diffusion models' powerful representations for downstream tasks, such as face super-resolution (FSR),…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Jiarui Yang , Tao Dai , Yufei Zhu , Naiqi Li , Jinmin Li , Shutao Xia

To enhance the security of text CAPTCHAs, various methods have been employed, such as adding the interference lines on the text, randomly distorting the characters, and overlapping multiple characters. These methods partly increase the…

Cryptography and Security · Computer Science 2023-08-17 Ran Jiang , Sanfeng Zhang , Linfeng Liu , Yanbing Peng

We propose Context Diffusion, a diffusion-based framework that enables image generation models to learn from visual examples presented in context. Recent work tackles such in-context learning for image generation, where a query image is…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Ivona Najdenkoska , Animesh Sinha , Abhimanyu Dubey , Dhruv Mahajan , Vignesh Ramanathan , Filip Radenovic

This paper presents a novel approach to inpainting 3D regions of a scene, given masked multi-view images, by distilling a 2D diffusion model into a learned 3D scene representation (e.g. a NeRF). Unlike 3D generative methods that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Kira Prabhu , Jane Wu , Lynn Tsai , Peter Hedman , Dan B Goldman , Ben Poole , Michael Broxton

Object removal, a challenging task within image inpainting, involves seamlessly filling the removed region with content that matches the surrounding context. Despite advancements in diffusion models, current methods still face two critical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Hua Yuan , Jin Yuan , Yicheng Jiang , Yao Zhang , Xin Geng , Yong Rui

Recently, diffusion models have emerged as promising newcomers in the field of generative models, shining brightly in image generation. However, when employed for object removal tasks, they still encounter issues such as generating random…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Wenhao Sun , Benlei Cui , Xue-Mei Dong , Jingqun Tang

Diffusion-based inpainting is a powerful tool for the reconstruction of images from sparse data. Its quality strongly depends on the choice of known data. Optimising their spatial location -- the inpainting mask -- is challenging. A…

Image and Video Processing · Electrical Eng. & Systems 2022-05-17 Tobias Alt , Pascal Peter , Joachim Weickert

Scene text recognition (STR) attracts much attention over the years because of its wide application. Most methods train STR model in a fully supervised manner which requires large amounts of labeled data. Although synthetic data contributes…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Caiyuan Zheng , Hui Li , Seon-Min Rhee , Seungju Han , Jae-Joon Han , Peng Wang

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

Recent advancements in diffusion models have been effective in learning data priors for solving inverse problems. They leverage diffusion sampling steps for inducing a data prior while using a measurement guidance gradient at each step to…

Machine Learning · Computer Science 2025-04-02 Rayhan Zirvi , Bahareh Tolooshams , Anima Anandkumar

Face stylization refers to the transformation of a face into a specific portrait style. However, current methods require the use of example-based adaptation approaches to fine-tune pre-trained generative models so that they demand lots of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Jin Liu , Huaibo Huang , Chao Jin , Ran He

Generative steganography is the process of hiding secret messages in generated images instead of cover images. Existing studies on generative steganography use GAN or Flow models to obtain high hiding message capacity and anti-detection…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Daegyu Kim , Chaehun Shin , Jooyoung Choi , Dahuin Jung , Sungroh Yoon

Image restoration is a classic low-level problem aimed at recovering high-quality images from low-quality images with various degradations such as blur, noise, rain, haze, etc. However, due to the inherent complexity and non-uniqueness of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Yuhong Zhang , Hengsheng Zhang , Xinning Chai , Zhengxue Cheng , Rong Xie , Li Song , Wenjun Zhang

Text-to-image diffusion models generate realistic and coherent images but often fail to follow numerical instructions in text, revealing a gap between language and visual representation. Interestingly, we found that these models are not…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Hyemin Boo , Hyoryung Kim , Myungjin Lee , Seunghyeon Lee , Jiyoung Lee , Jang-Hwan Choi , Hyunsoo Cho

Every Scene Text Recognition (STR) task consists of text localization \& text recognition as the prominent sub-tasks. However, in real-world applications with fixed camera positions such as equipment monitor reading, image-based data entry,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 P. N. Deelaka , D. R. Jayakodi , D. Y. Silva

Text-to-image diffusion models produce high quality images but do not offer control over individual instances in the image. We introduce InstanceDiffusion that adds precise instance-level control to text-to-image diffusion models.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Xudong Wang , Trevor Darrell , Sai Saketh Rambhatla , Rohit Girdhar , Ishan Misra

This paper aims to re-assess scene text recognition (STR) from a data-oriented perspective. We begin by revisiting the six commonly used benchmarks in STR and observe a trend of performance saturation, whereby only 2.91% of the benchmark…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Qing Jiang , Jiapeng Wang , Dezhi Peng , Chongyu Liu , Lianwen Jin

Text-to-3D generation has shown rapid progress in recent days with the advent of score distillation, a methodology of using pretrained text-to-2D diffusion models to optimize neural radiance field (NeRF) in the zero-shot setting. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Junyoung Seo , Wooseok Jang , Min-Seop Kwak , Hyeonsu Kim , Jaehoon Ko , Junho Kim , Jin-Hwa Kim , Jiyoung Lee , Seungryong Kim

Diffusion models have become leading approaches for high-fidelity image generation. Recent DiT-based diffusion models, in particular, achieve strong prompt adherence while producing high-quality samples. We propose SHIFT, a simple but…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Nina Konovalova , Andrey Kuznetsov , Aibek Alanov