中文
相关论文

相关论文: Generative Refocusing: Flexible Defocus Control fr…

200 篇论文

Image restoration aims to enhance low quality images, producing high quality images that exhibit natural visual characteristics and fine semantic attributes. Recently, the diffusion model has emerged as a powerful technique for image…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiangtong Tan , Feng Zhao

Deblurring is the task of restoring a blurred image to a sharp one, retrieving the information lost due to the blur. In blind deblurring we have no information regarding the blur kernel. As deblurring can be considered as an image to image…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Manoj Kumar Lenka , Anubha Pandey , Anurag Mittal

Image degradation due to atmospheric turbulence is common while capturing images at long ranges. To mitigate the degradation due to turbulence which includes deformation and blur, we propose a generative single frame restoration algorithm…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Chun Pong Lau , Hossein Souri , Rama Chellappa

We introduce InverseFaceNet, a deep convolutional inverse rendering framework for faces that jointly estimates facial pose, shape, expression, reflectance and illumination from a single input image. By estimating all parameters from just a…

计算机视觉与模式识别 · 计算机科学 2018-05-17 Hyeongwoo Kim , Michael Zollhöfer , Ayush Tewari , Justus Thies , Christian Richardt , Christian Theobalt

ControlNet offers a powerful way to guide diffusion-based generative models, yet most implementations rely on ad-hoc heuristics to choose which network blocks to control-an approach that varies unpredictably with different tasks. To address…

机器学习 · 计算机科学 2025-02-21 Zheng Fang , Lichuan Xiang , Xu Cai , Kaicheng Zhou , Hongkai Wen

Diffusion models have recently gained traction as a powerful class of deep generative priors, excelling in a wide range of image restoration tasks due to their exceptional ability to model data distributions. To solve image restoration…

图像与视频处理 · 电气工程与系统科学 2025-06-10 Xiang Li , Soo Min Kwon , Shijun Liang , Ismail R. Alkhouri , Saiprasad Ravishankar , Qing Qu

This work presents a novel deep-learning-based pipeline for the inverse problem of image deblurring, leveraging augmentation and pre-training with synthetic data. Our results build on our winning submission to the recent Helsinki Deblur…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Theophil Trippe , Martin Genzel , Jan Macdonald , Maximilian März

In this paper, we examine the problem of real-world image deblurring and take into account two key factors for improving the performance of the deep image deblurring model, namely, training data synthesis and network architecture design.…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Hao Wei , Chenyang Ge , Xin Qiao , Pengchao Deng

Night imaging with modern smartphone cameras is troublesome due to low photon count and unavoidable noise in the imaging system. Directly adjusting exposure time and ISO ratings cannot obtain sharp and noise-free images at the same time in…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Yuzhi Zhao , Yongzhe Xu , Qiong Yan , Dingdong Yang , Xuehui Wang , Lai-Man Po

Recent advancements in personalized image generation using diffusion models have been noteworthy. However, existing methods suffer from inefficiencies due to the requirement for subject-specific fine-tuning. This computationally intensive…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Xu Peng , Junwei Zhu , Boyuan Jiang , Ying Tai , Donghao Luo , Jiangning Zhang , Wei Lin , Taisong Jin , Chengjie Wang , Rongrong Ji

To train a deblurring network, an appropriate dataset with paired blurry and sharp images is essential. Existing datasets collect blurry images either synthetically by aggregating consecutive sharp frames or using sophisticated camera…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Dongwoo Lee , Joonkyu Park , Kyoung Mu Lee

Blind motion deblurring involves reconstructing a sharp image from an observation that is blurry. It is a problem that is ill-posed and lies in the categories of image restoration problems. The training data-based methods for image…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Harshil Jain , Rohit Patil , Indra Deep Mastan , Shanmuganathan Raman

Controllable generation, which enables fine-grained control over generated outputs, has emerged as a critical focus in visual generative models. Currently, there are two primary technical approaches in visual generation: diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Ziyu Yao , Jialin Li , Yifeng Zhou , Yong Liu , Xi Jiang , Chengjie Wang , Feng Zheng , Yuexian Zou , Lei Li

Removing blur caused by camera shake in images has always been a challenging problem in computer vision literature due to its ill-posed nature. Motion blur caused due to the relative motion between the camera and the object in 3D space…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Sainandan Ramakrishnan , Shubham Pachori. Aalok Gangopadhyay , Shanmuganathan Raman

Recent advances in text-to-image generation with diffusion models present transformative capabilities in image quality. However, user controllability of the generated image, and fast adaptation to new tasks still remains an open challenge,…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Omer Bar-Tal , Lior Yariv , Yaron Lipman , Tali Dekel

We present a simple, yet effective diffusion-based method for fine-grained, parametric control over light sources in an image. Existing relighting methods either rely on multiple input views to perform inverse rendering at inference time,…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Nadav Magar , Amir Hertz , Eric Tabellion , Yael Pritch , Alex Rav-Acha , Ariel Shamir , Yedid Hoshen

Light field photography enables to record 4D images, containing angular information alongside spatial information of the scene. One of the important applications of light field imaging is post-capture refocusing. Current methods require for…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Shachar Ben Dayan , David Mendlovic , Raja Giryes

A photo captured with bokeh effect often means objects in focus are sharp while the out-of-focus areas are all blurred. DSLR can easily render this kind of effect naturally. However, due to the limitation of sensors, smartphones cannot…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Ming Qian , Congyu Qiao , Jiamin Lin , Zhenyu Guo , Chenghua Li , Cong Leng , Jian Cheng

Our ability to sample realistic natural images, particularly faces, has advanced by leaps and bounds in recent years, yet our ability to exert fine-tuned control over the generative process has lagged behind. If this new technology is to…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Marek Kowalski , Stephan J. Garbin , Virginia Estellers , Tadas Baltrušaitis , Matthew Johnson , Jamie Shotton

Learning a good image prior is a long-term goal for image restoration and manipulation. While existing methods like deep image prior (DIP) capture low-level image statistics, there are still gaps toward an image prior that captures rich…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Xingang Pan , Xiaohang Zhan , Bo Dai , Dahua Lin , Chen Change Loy , Ping Luo