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Modern handheld devices can acquire burst image sequence in a quick succession. However, the individual acquired frames suffer from multiple degradations and are misaligned due to camera shake and object motions. The goal of Burst Image…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Akshay Dudhane , Syed Waqas Zamir , Salman Khan , Fahad Shahbaz Khan , Ming-Hsuan Yang

Open-world 3D generation has recently attracted considerable attention. While many single-image-to-3D methods have yielded visually appealing outcomes, they often lack sufficient controllability and tend to produce hallucinated regions that…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Chao Xu , Ang Li , Linghao Chen , Yulin Liu , Ruoxi Shi , Hao Su , Minghua Liu

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

Representing visual signals with implicit coordinate-based neural networks, as an effective replacement of the traditional discrete signal representation, has gained considerable popularity in computer vision and graphics. In contrast to…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Qing Wang

Motion blur of fast-moving subjects is a longstanding problem in photography and very common on mobile phones due to limited light collection efficiency, particularly in low-light conditions. While we have witnessed great progress in image…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Wei-Sheng Lai , YiChang Shih , Lun-Cheng Chu , Xiaotong Wu , Sung-Fang Tsai , Michael Krainin , Deqing Sun , Chia-Kai Liang

Most single image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs, which are simulated by a predetermined degradation operation, e.g., bicubic downsampling. However, these…

图像与视频处理 · 电气工程与系统科学 2021-10-22 Rui Ma , Johnathan Czernik , Xian Du

When imaging through a semi-reflective medium such as glass, the reflection of another scene can often be found in the captured images. It degrades the quality of the images and affects their subsequent analyses. In this paper, a novel deep…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Tingtian Li , Yuk-Hee Chan , Daniel P. K. Lun

Dynamic scene deblurring is a challenging problem in computer vision. It is difficult to accurately estimate the spatially varying blur kernel by traditional methods. Data-driven-based methods usually employ kernel-free end-to-end mapping…

图像与视频处理 · 电气工程与系统科学 2020-08-20 Xiaoguang Li , Feifan Yang , Kin Man Lam , Li Zhuo , Jiafeng Li

In this paper, we present a novel reconstruction method for diffuse optical spectroscopic imaging with a commonly used tissue model of optical absorption and scattering. It is based on linearization and group sparsity, which allows…

数值分析 · 数学 2019-03-06 Habib Ammari , Bangti Jin , Wenlong Zhang

The problem of image blurring is one of the most studied topics in the field of image processing. Image blurring is caused by various factors such as hand or camera shake. To restore the blurred image, it is necessary to know information…

计算机视觉与模式识别 · 计算机科学 2023-10-03 M. Zarebnia , R. Parvaz

We assess the accuracy of a smartphone camera simulation. The simulation is an end-to-end analysis that begins with a physical description of a high dynamic range 3D scene and includes a specification of the optics and the image sensor. The…

图像与视频处理 · 电气工程与系统科学 2022-01-31 Zheng Lyu , Thomas Goossens , Brian Wandell , Joyce Farrell

Uplink pre-compensation in ground-to-satellite optical links remains a problem, with an appropriate measurement of the wavefront error in the uplink path often not being available. We present a method that uses successive measurements of…

仪器与探测器 · 物理学 2025-09-12 Alex Frost , Nicolas Maron , Shane Walsh , Benjamin Dix-Matthews , Sascha Schediwy , Michael Hart

Prevalent Computational Aberration Correction (CAC) methods are typically tailored to specific optical systems, leading to poor generalization and labor-intensive re-training for new lenses. Developing CAC paradigms capable of generalizing…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Xiaolong Qian , Qi Jiang , Yao Gao , Lei Sun , Zhonghua Yi , Kailun Yang , Luc Van Gool , Kaiwei Wang

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

Context. For accurately measuring intensities and determining magnetic field strengths of small-scale solar (magnetic) structure, knowledge of and compensation for the point spread function is crucial. For images recorded with the Swedish…

天体物理仪器与方法 · 物理学 2015-05-19 G. B. Scharmer , M. G. Löfdahl , T. I. M. van Werkhoven , J. de la Cruz Rodriguez

The goal of dynamic scene deblurring is to remove the motion blur in a given image. Typical learning-based approaches implement their solutions by minimizing the L1 or L2 distance between the output and the reference sharp image. Recent…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Seungjun Nah , Sanghyun Son , Jaerin Lee , Kyoung Mu Lee

Photonic processors have emerged as an attractive platform for fast and energy-efficient matrix-vector multiplication. However, they are susceptible to error due to their analog nature. Here, we present an error-correction technique that…

光学 · 物理学 2026-02-23 Adam Carstensen , Babak Vosoughi Lahijani

Macro lens has the advantages of high resolution and large magnification, and 3D modeling of small and detailed objects can provide richer information. However, defocus blur in macrophotography is a long-standing problem that heavily…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Yifan Zhao , Liangchen Li , Yuqi Zhou , Kai Wang , Yan Liang , Juyong Zhang

The common and traditional method for dispersion compensation in optical domain is concatenating the transmit optical fiber by a compensating optical fiber having high-negative dispersion coefficient. In this paper, we take an opposite…

信息论 · 计算机科学 2016-09-06 Mohammad Hadi , Farokh Marvasti , Mohammad Reza Pakravan

Adaptive optics (AO) systems and image reconstruction algorithms are indispensable tools when it comes to high-precision astrometry. In this paper, we analyze the potential of combining both techniques, i.e. by applying image reconstruction…

天体物理仪器与方法 · 物理学 2019-03-13 Felix Bosco , Jörg-Uwe Pott , Rainer Schödel