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Scene reconstruction in the presence of high-speed motion and low illumination is important in many applications such as augmented and virtual reality, drone navigation, and autonomous robotics. Traditional motion estimation techniques fail…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Sacha Jungerman , Atul Ingle , Mohit Gupta

A significant challenge in object detection is accurate identification of an object's position in image space, whereas one algorithm with one set of parameters is usually not enough, and the fusion of multiple algorithms and/or parameters…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Pan Wei , John E. Ball , Derek T. Anderson

Image deep features extracted by pre-trained networks are known to contain rich and informative representations. In this paper, we present Deep Degradation Response (DDR), a method to quantify changes in image deep features under varying…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Juncheng Wu , Zhangkai Ni , Hanli Wang , Wenhan Yang , Yuyin Zhou , Shiqi Wang

This paper describes a method to restore degraded images captured in a participating media -- fog, turbid water, sand storm, etc. Differently from the related work that only deal with a medium, we obtain generality by using an image…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Joel D. O. Gaya , Felipe Codevilla , Amanda C. Duarte , Paulo L. Drews-Jr , Silvia S. Botelho

Atmospheric turbulence can significantly degrade the quality of images acquired by long-range imaging systems by causing spatially and temporally random fluctuations in the index of refraction of the atmosphere. Variations in the refractive…

Image and Video Processing · Electrical Eng. & Systems 2022-07-08 Rajeev Yasarla , Vishal M. Patel

Knowledge of the noise distribution in diffusion MRI is the centerpiece to quantify uncertainties arising from the acquisition process. Accurate estimation beyond textbook distributions often requires information about the acquisition…

Image and Video Processing · Electrical Eng. & Systems 2020-07-07 Samuel St-Jean , Alberto De Luca , Chantal M. W. Tax , Max A. Viergever , Alexander Leemans

We present an approach to enhancing the realism of synthetic images. The images are enhanced by a convolutional network that leverages intermediate representations produced by conventional rendering pipelines. The network is trained via a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Stephan R. Richter , Hassan Abu AlHaija , Vladlen Koltun

Recording and identifying faint objects through atmospheric scattering media by an optical system are fundamentally interesting and technologically important. In this work, we introduce a comprehensive model that incorporates contributions…

Optics · Physics 2024-04-24 Libang Chen , Jun Yang , Lingye Chen , Yuyang Shui , Yikun Liu , Jianying Zhou

The emergence of generative AI and controllable diffusion has made image-to-image synthesis increasingly practical and efficient. However, when input images exhibit low entropy and sparse, the inherent characteristics of diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Hao Wang , Xiwen Chen , Ashish Bastola , Jiayou Qin , Abolfazl Razi

Flicker artifacts in short-exposure images are caused by the interplay between the row-wise exposure mechanism of rolling shutter cameras and the temporal intensity variations of alternating current (AC)-powered lighting. These artifacts…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Lishen Qu , Zhihao Liu , Shihao Zhou , Yaqi Luo , Jie Liang , Hui Zeng , Lei Zhang , Jufeng Yang

Video frame transmission delay is critical in real-time applications such as online video gaming, live show, etc. The receiving deadline of a new frame must catch up with the frame rendering time. Otherwise, the system will buffer a while,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Wang Shen , Wenbo Bao , Guangtao Zhai , Charlie L Wang , Jerry W Hu , Zhiyong Gao

Diffusion magnetic resonance imaging datasets suffer from low Signal-to-Noise Ratio, especially at high b-values. Acquiring data at high b-values contains relevant information and is now of great interest for microstructural and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-27 Samuel St-Jean , Pierrick Coupé , Maxime Descoteaux

In this paper, we introduce a challenging task: extracting a fundamental matrix from a single motion blurred image. For a camera moving in 3D during exposure, the smear paths in the blurry image contain cues and constraints on this motion.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Bao-Long Tran , Per-Erik Forssén , Fredrik Viksten

Rapid growth in the field of quantitative digital image analysis is paving the way for researchers to make precise measurements about objects in an image. To compute quantities from the image such as the density of compressed materials or…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Marylesa Howard , Margaret C. Hock , B. T. Meehan , Leora Dresselhaus-Cooper

Modern mobile burst photography pipelines capture and merge a short sequence of frames to recover an enhanced image, but often disregard the 3D nature of the scene they capture, treating pixel motion between images as a 2D aggregation…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Ilya Chugunov , Yuxuan Zhang , Felix Heide

Image reconstruction and synthesis have witnessed remarkable progress thanks to the development of generative models. Nonetheless, gaps could still exist between the real and generated images, especially in the frequency domain. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Liming Jiang , Bo Dai , Wayne Wu , Chen Change Loy

As demand for advanced photographic applications on hand-held devices grows, these electronics require the capture of high quality depth. However, under low-light conditions, most devices still suffer from low imaging quality and inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Sunghoon Im , Hae-Gon Jeon , In So Kweon

During the last decades, denoising methods have attracted much attention of researchers. The conventional method for removing the Moire' pattern from images is using notch filters in the Frequency-domain. In this paper a new method is…

Computer Vision and Pattern Recognition · Computer Science 2017-02-01 Seyede Mahya Hazavei , Hamid Reza Shahdoosti

Multi-focus image fusion (MFF) is a popular technique to generate an all-in-focus image, where all objects in the scene are sharp. However, existing methods pay little attention to defocus spread effects of the real-world multi-focus…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Shuang Xu , Lizhen Ji , Zhe Wang , Pengfei Li , Kai Sun , Chunxia Zhang , Jiangshe Zhang

Transient imaging has recently made a huge impact in the computer graphics and computer vision fields. By capturing, reconstructing, or simulating light transport at extreme temporal resolutions, researchers have proposed novel techniques…

Computer Vision and Pattern Recognition · Computer Science 2016-11-04 Adrian Jarabo , Belen Masia , Julio Marco , Diego Gutierrez
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