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To guarantee a satisfying Quality of Experience (QoE) for consumers, it is required to measure image quality efficiently and reliably. The neglect of the high-level semantic information may result in predicting a clear blue sky as bad…

Image and Video Processing · Electrical Eng. & Systems 2018-10-19 Dingquan Li , Tingting Jiang , Ming Jiang

To study the visual attentional behavior of Human Visual System (HVS) on 3D content, eye tracking experiments are performed and Visual Attention Models (VAMs) are designed. One of the main applications of these VAMs is in quality assessment…

Image and Video Processing · Electrical Eng. & Systems 2018-03-13 Amin Banitalebi-Dehkordi , Panos Nasiopoulos

The quality of frames is significant for both research and application of video frame interpolation (VFI). In recent VFI studies, the methods of full-reference image quality assessment have generally been used to evaluate the quality of VFI…

Image and Video Processing · Electrical Eng. & Systems 2023-12-27 Jinliang Han , Xiongkuo Min , Yixuan Gao , Jun Jia , Lei Sun , Zuowei Cao , Yonglin Luo , Guangtao Zhai

Image metrics predict the perceived per-pixel difference between a reference image and its degraded (e. g., re-rendered) version. In several important applications, the reference image is not available and image metrics cannot be applied.…

In this work, we propose a no-reference video quality assessment method, aiming to achieve high-generalization capability in cross-content, -resolution and -frame rate quality prediction. In particular, we evaluate the quality of a video by…

Image and Video Processing · Electrical Eng. & Systems 2021-06-24 Baoliang Chen , Lingyu Zhu , Guo Li , Hongfei Fan , Shiqi Wang

The no-reference image quality assessment is a challenging domain that addresses estimating image quality without the original reference. We introduce an improved mechanism to extract local and non-local information from images via…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Mohammed Alsaafin , Musab Alsheikh , Saeed Anwar , Muhammad Usman

This paper deals with a reduced reference (RR) image quality measure based on natural image statistics modeling. For this purpose, Tetrolet transform is used since it provides a convenient way to capture local geometric structures. This…

Computer Vision and Pattern Recognition · Computer Science 2014-12-09 Abdelkaher Ait Abdelouahad , Mohammed El Hassouni , Hocine Cherifi , Driss Aboutajdine

In the last few years, image processing researchers spent a substantial amount of time and effort developing and perfecting image quality assessment algorithms. Bright-field microscopy, for example, produces images whose quality is a…

Image and Video Processing · Electrical Eng. & Systems 2020-03-26 V. A. A. Catanante , O. M. Bruno , J. E. S. Batista Neto

The precise combination of image sensor and micro-lens array enables lenslet light field cameras to record both angular and spatial information of incoming light, therefore, one can calculate disparity and depth from light field images. In…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Haoxin Ma , Haotian Li , Zhiwen Qian , Shengxian Shi , Tingting Mu

Numerous single-image super-resolution algorithms have been proposed in the literature, but few studies address the problem of performance evaluation based on visual perception. While most super-resolution images are evaluated by…

Computer Vision and Pattern Recognition · Computer Science 2016-12-20 Chao Ma , Chih-Yuan Yang , Xiaokang Yang , Ming-Hsuan Yang

We introduce some new classes of unimodal rotational invariant directional distributions, which generalize von Mises-Fisher distribution. We propose three types of distributions, one of which represents axial data. For each new type we…

Statistics Theory · Mathematics 2020-10-22 Nikolai Leonenko , Vitalii Makogin , Mehmet Siddik Cadirci

Digital image compression is a technique that allows to reduce the size of an image in order to increase the capacity storage devices and to optimize the use of network bandwidth. The quality of compressed images with the techniques based…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Henri Bruno Razafindradina , Paul Auguste Randriamitantsoa , Nicolas Raft Razafindrakoto

A problem of goodness-of-fit test for ergodic diffusion processes is presented. In the null hypothesis the drift of the diffusion is supposed to be in a parametric form with unknown shift parameter. Two Cramer-Von Mises type test statistics…

Statistics Theory · Mathematics 2012-03-30 Ilia Negri , Li Zhou

Patient scans from MRI often suffer from noise, which hampers the diagnostic capability of such images. As a method to mitigate such artifact, denoising is largely studied both within the medical imaging community and beyond the community…

Image and Video Processing · Electrical Eng. & Systems 2022-03-25 Hyungjin Chung , Eun Sun Lee , Jong Chul Ye

How to accurately measure the relevance and redundancy of features is an age-old challenge in the field of feature selection. However, existing filter-based feature selection methods cannot directly measure redundancy for continuous data.…

Machine Learning · Computer Science 2023-07-31 Haitao Nie , Shengbo Zhang , Bin Xie

In this paper, we propose a noise-aware exposure control algorithm for robust robot vision. Our method aims to capture the best-exposed image which can boost the performance of various computer vision and robotics tasks. For this purpose,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Ukcheol Shin , Jinsun Park , Gyumin Shim , Francois Rameau , In So Kweon

Modern deep learning systems successfully solve many perception tasks such as object pose estimation when the input image is of high quality. However, in challenging imaging conditions such as on low-resolution images or when the image is…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Sergey Prokudin , Peter Gehler , Sebastian Nowozin

GAN-based image compression schemes have shown remarkable progress lately due to their high perceptual quality at low bit rates. However, there are two main issues, including 1) the reconstructed image perceptual degeneration in color,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Fanxin Xia , Jian Jin , Lili Meng , Feng Ding , Huaxiang Zhang

Out-of-distribution (OOD) detection is critical for the safe deployment of machine learning systems. Existing post-hoc detectors typically rely on model confidence scores or likelihood estimates in feature space, often under restrictive…

Machine Learning · Computer Science 2026-05-22 Amey P. Pasarkar , Adji Bousso Dieng

Subjective image-quality measurement plays a critical role in the development of image-processing applications. The purpose of a visual-quality metric is to approximate the results of subjective assessment. In this regard, more and more…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Maksim Siniukov , Dmitriy Kulikov , Dmitriy Vatolin