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Recently, image quality assessment (IQA) has achieved remarkable progress with the success of deep learning. However, the strict pre-condition of full-reference (FR) methods has limited its application in real scenarios. And the…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Jingyu Guo , Wei Wang , Wenming Yang , Qingmin Liao , Jie Zhou

Existing blind image quality assessment (BIQA) methods focus on designing complicated networks based on convolutional neural networks (CNNs) or transformer. In addition, some BIQA methods enhance the performance of the model in a two-stage…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Qunyue Huang , Bin Fang

Objective image quality evaluation is a challenging task, which aims to measure the quality of a given image automatically. According to the availability of the reference images, there are Full-Reference and No-Reference IQA tasks,…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Chao Zeng , Sam Kwong

Accurate calibration of internal parameters is a crucial yet challenging prerequisite for 3D reconstruction using light field cameras. In this paper, we propose a linear fractional transformation(LFT) parameter $\alpha$ to decoupled the…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Zhong Chen , Changfeng Chen

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…

图像与视频处理 · 电气工程与系统科学 2018-10-19 Dingquan Li , Tingting Jiang , Ming Jiang

The application of the non conventional imaging technique LOFI (Laser Optical Feedback Imaging) to coherent microscopy is presented. This simple and efficient technique using frequency-shifted optical feedback needs the sample to be scanned…

No-reference image quality assessment (NR-IQA) has received increasing attention in the IQA community since reference image is not always available. Real-world images generally suffer from various types of distortion. Unfortunately,…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Fu-Zhao Ou , Yuan-Gen Wang , Jin Li , Guopu Zhu , Sam Kwong

Depth perception plays an essential role in the viewer experience for immersive virtual reality (VR) visual environments. However, previous research investigations in the depth quality of 3D/stereoscopic images are rather limited, and in…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Wei Zhou , Zhou Wang

Recent state-of-the-art face recognition (FR) approaches have achieved impressive performance, yet unconstrained face recognition still represents an open problem. Face image quality assessment (FIQA) approaches aim to estimate the quality…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Žiga Babnik , Peter Peer , Vitomir Štruc

Accurate measurement of image quality without reference signals remains a fundamental challenge in low-level visual perception applications. In this paper, we propose a global-local progressive integration model that addresses this…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Xiaoqi Wang , Yun Zhang

Omnidirectional image quality assessment (OIQA) aims to predict the perceptual quality of omnidirectional images that cover the whole 180$\times$360$^{\circ}$ viewing range of the visual environment. Here we propose a blind/no-reference…

多媒体 · 计算机科学 2023-02-27 Wei Zhou , Zhou Wang

We present a novel no-reference quality assessment metric, the image transferred point cloud quality assessment (IT-PCQA), for 3D point clouds. For quality assessment, deep neural network (DNN) has shown compelling performance on…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Qi Yang , Yipeng Liu , Siheng Chen , Yiling Xu , Jun Sun

To support the application scenarios where high-resolution (HR) images are urgently needed, various single image super-resolution (SISR) algorithms are developed. However, SISR is an ill-posed inverse problem, which may bring artifacts like…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Zicheng Zhang , Wei Sun , Xiongkuo Min , Wenhan Zhu , Tao Wang , Wei Lu , Guangtao Zhai

The objective of non-reference video quality assessment is to evaluate the quality of distorted video without access to reference high-definition references. In this study, we introduce an enhanced spatial perception module, pre-trained on…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Zihao Yu , Fengbin Guan , Yiting Lu , Xin Li , Zhibo Chen

No-Reference Image Quality Assessment (NR-IQA) focuses on designing methods to measure image quality in alignment with human perception when a high-quality reference image is unavailable. Most state-of-the-art NR-IQA approaches are…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini

Diffusion models have recently emerged as a promising framework for Image Restoration (IR), owing to their ability to produce high-quality reconstructions and their compatibility with established methods. Existing methods for solving noisy…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Kyungsung Lee , Donggyu Lee , Myungjoo Kang

Automated and robust portrait quality assessment (PQA) is of paramount importance in high-impact applications such as smartphone photography. This paper presents FHIQA, a learning-based approach to PQA that introduces a simple but effective…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Nicolas Chahine , Sira Ferradans , Javier Vazquez-Corral , Jean Ponce

The visual quality of point clouds plays a crucial role in the development and broadcasting of immersive media. Therefore, investigating point cloud quality assessment (PCQA) is instrumental in facilitating immersive media applications,…

图像与视频处理 · 电气工程与系统科学 2025-01-28 Yipeng Liu , Qi Yang , Yujie Zhang , Yiling Xu , Le Yang , Xiaozhong Xu , Shan Liu

The quality of face images significantly influences the performance of underlying face recognition algorithms. Face image quality assessment (FIQA) estimates the utility of the captured image in achieving reliable and accurate recognition…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Fadi Boutros , Meiling Fang , Marcel Klemt , Biying Fu , Naser Damer

We present a deep neural network-based approach to image quality assessment (IQA). The network is trained end-to-end and comprises ten convolutional layers and five pooling layers for feature extraction, and two fully connected layers for…

计算机视觉与模式识别 · 计算机科学 2017-12-11 Sebastian Bosse , Dominique Maniry , Klaus-Robert Müller , Thomas Wiegand , Wojciech Samek