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For the success of video deblurring, it is essential to utilize information from neighboring frames. Most state-of-the-art video deblurring methods adopt motion compensation between video frames to aggregate information from multiple frames…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Hyeongseok Son , Junyong Lee , Jonghyeop Lee , Sunghyun Cho , Seungyong Lee

In this paper, we propose Image Downscaling Assessment by Rate-Distortion (IDA-RD), a novel measure to quantitatively evaluate image downscaling algorithms. In contrast to image-based methods that measure the quality of downscaled images,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Yuanbang Liang , Bhavesh Garg , Paul L Rosin , Yipeng Qin

For many computer vision problems, the deep neural networks are trained and validated based on the assumption that the input images are pristine (i.e., artifact-free). However, digital images are subject to a wide range of distortions in…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Zhuo Chen , Weisi Lin , Shiqi Wang , Long Xu , Leida Li

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

Visual recognition under adverse conditions is a very important and challenging problem of high practical value, due to the ubiquitous existence of quality distortions during image acquisition, transmission, or storage. While deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ding Liu , Bowen Cheng , Zhangyang Wang , Haichao Zhang , Thomas S. Huang

Estimating the depth of omnidirectional images is more challenging than that of normal field-of-view (NFoV) images because the varying distortion can significantly twist an object's shape. The existing methods suffer from troublesome…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Zhijie Shen , Chunyu Lin , Lang Nie , Kang Liao , Yao zhao

Discriminative learning based on convolutional neural networks (CNNs) aims to perform image restoration by learning from training examples of noisy-clean image pairs. It has become the go-to methodology for tackling image restoration and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Junaid Malik , Serkan Kiranyaz , Moncef Gabbouj

This paper introduces a novel approach to the fine alignment of images in a burst captured by a handheld camera. In contrast to traditional techniques that estimate two-dimensional transformations between frame pairs or rely on discrete…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Bruno Lecouat , Yann Dubois de Mont-Marin , Théo Bodrito , Julien Mairal , Jean Ponce

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Qing Wang

Neural implicit surfaces have become an important technique for multi-view 3D reconstruction but their accuracy remains limited. In this paper, we argue that this comes from the difficulty to learn and render high frequency textures with…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 François Darmon , Bénédicte Bascle , Jean-Clément Devaux , Pascal Monasse , Mathieu Aubry

Object detectors are vital to many modern computer vision applications. However, even state-of-the-art object detectors are not perfect. On two images that look similar to human eyes, the same detector can make different predictions because…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Caleb Tung , Abhinav Goel , Fischer Bordwell , Nick Eliopoulos , Xiao Hu , George K. Thiruvathukal , Yung-Hsiang Lu

Differentiable rendering aims to compute the derivative of the image rendering function with respect to the rendering parameters. This paper presents a novel algorithm for 6-DoF pose estimation through gradient-based optimization using a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ramchander Rao Bhaskara , Roshan Thomas Eapen , Manoranjan Majji

Pursuing realistic results according to human visual perception is the central concern in the image transformation tasks. Perceptual learning approaches like perceptual loss are empirically powerful for such tasks but they usually rely on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Kangfu Mei , Yao Lu , Qiaosi Yi , Haoyu Wu , Juncheng Li , Rui Huang

Deep learning-based models have demonstrated remarkable success in solving illposed inverse problems; however, many fail to strictly adhere to the physical constraints imposed by the measurement process. In this work, we introduce a…

Machine Learning · Computer Science 2025-05-22 Jorge Bacca

Current top-performing blind perceptual image quality prediction models are generally trained on legacy databases of human quality opinion scores on synthetically distorted images. Therefore they learn image features that effectively…

Computer Vision and Pattern Recognition · Computer Science 2016-09-16 Deepti Ghadiyaram , Alan C. Bovik

We propose a new technique for estimating spatially varying parametric materials from a single image of an object with unknown shape in unknown illumination. Our method uses a low-order parametric reflectance model, and incorporates strong…

Graphics · Computer Science 2019-12-30 Kevin Karsch , David Forsyth

Deep neural networks (DNNs) have demonstrated remarkable success, yet their wide adoption is often hindered by their opaque decision-making. To address this, attribution methods have been proposed to assign relevance values to each part of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Danielle Cohen , Hila Chefer , Lior Wolf

Today, most methods for image understanding tasks rely on feed-forward neural networks. While this approach has allowed for empirical accuracy, efficiency, and task adaptation via fine-tuning, it also comes with fundamental disadvantages.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Julian Ost , Tanushree Banerjee , Mario Bijelic , Felix Heide

The concept of image similarity is ambiguous, and images can be similar in one context and not in another. This ambiguity motivates the creation of metrics for specific contexts. This work explores the ability of deep perceptual similarity…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Liquify is a common technique for image editing, which can be used for image distortion. Due to the uncertainty in the distortion variation, restoring distorted images caused by liquify filter is a challenging task. To edit images in an…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Yi Gu , Yuting Gao , Jie Li , Chentao Wu , Weijia Jia