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相关论文: Self-Supervised Image Super-Resolution Quality Ass…

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Image restoration algorithms such as super resolution (SR) are indispensable pre-processing modules for object detection in low quality images. Most of these algorithms assume the degradation is fixed and known a priori. However, in…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Ziteng Cui , Yingying Zhu , Lin Gu , Guo-Jun Qi , Xiaoxiao Li , Renrui Zhang , Zenghui Zhang , Tatsuya Harada

Super-resolution (SR) has traditionally been based on pairs of high-resolution images (HR) and their low-resolution (LR) counterparts obtained artificially with bicubic downsampling. However, in real-world SR, there is a large variety of…

图像与视频处理 · 电气工程与系统科学 2020-11-06 Mohammad Saeed Rad , Thomas Yu , Claudiu Musat , Hazim Kemal Ekenel , Behzad Bozorgtabar , Jean-Philippe Thiran

Evaluating the perceptual quality of Novel View Synthesis (NVS) images remains a key challenge, particularly in the absence of pixel-aligned ground truth references. Full-Reference Image Quality Assessment (FR-IQA) methods fail under…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Abhijay Ghildyal , Rajesh Sureddi , Nabajeet Barman , Saman Zadtootaghaj , Alan Bovik

The current existing deep image super-resolution methods usually assume that a Low Resolution (LR) image is bicubicly downscaled of a High Resolution (HR) image. However, such an ideal bicubic downsampling process is different from the real…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Rao Muhammad Umer , Christian Micheloni

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

多媒体 · 计算机科学 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Image quality assessment (IQA) focuses on the perceptual visual quality of images, playing a crucial role in downstream tasks such as image reconstruction, compression, and generation. The rapid advancement of multi-modal large language…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Weiqi Li , Xuanyu Zhang , Shijie Zhao , Yabin Zhang , Junlin Li , Li Zhang , Jian Zhang

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

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

Image Quality Assessment (IQA) with reference images have achieved great success by imitating the human vision system, in which the image quality is effectively assessed by comparing the query image with its pristine reference image.…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Xudong Li , Jingyuan Zheng , Xiawu Zheng , Runze Hu , Enwei Zhang , Yuting Gao , Yunhang Shen , Ke Li , Yutao Liu , Pingyang Dai , Yan Zhang , Rongrong Ji

Most super-resolution (SR) models struggle with real-world low-resolution (LR) images. This issue arises because the degradation characteristics in the synthetic datasets differ from those in real-world LR images. Since SR models are…

图像与视频处理 · 电气工程与系统科学 2025-03-05 Ru Ito , Supatta Viriyavisuthisakul , Kazuhiko Kawamoto , Hiroshi Kera

Full-reference (FR) image quality assessment (IQA) evaluates the visual quality of a distorted image by measuring its perceptual difference with pristine-quality reference, and has been widely used in low-level vision tasks. Pairwise…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Yue Cao , Zhaolin Wan , Dongwei Ren , Zifei Yan , Wangmeng Zuo

Image Quality Transfer (IQT) aims to enhance the contrast and resolution of low-quality medical images, e.g. obtained from low-power devices, with rich information learned from higher quality images. In contrast to existing IQT methods…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Ahmed Karam Eldaly , Matteo Figini , Daniel C. Alexander

In practical media distribution systems, visual content usually undergoes multiple stages of quality degradation along the delivery chain, but the pristine source content is rarely available at most quality monitoring points along the chain…

图像与视频处理 · 电气工程与系统科学 2021-10-29 Shahrukh Athar , Zhou Wang

There has emerged a growing interest in exploring efficient quality assessment algorithms for image super-resolution (SR). However, employing deep learning techniques, especially dual-branch algorithms, to automatically evaluate the visual…

多媒体 · 计算机科学 2024-03-22 Yixiao Li , Xiaoyuan Yang , Jun Fu , Guanghui Yue , Wei Zhou

Most of the existing learning-based single image superresolution (SISR) methods are trained and evaluated on simulated datasets, where the low-resolution (LR) images are generated by applying a simple and uniform degradation (i.e., bicubic…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Jianrui Cai , Hui Zeng , Hongwei Yong , Zisheng Cao , Lei Zhang

Designing learning-based no-reference (NR) video quality assessment (VQA) algorithms for camera-captured videos is cumbersome due to the requirement of a large number of human annotations of quality. In this work, we propose a…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Shankhanil Mitra , Saiyam Jogani , Rajiv Soundararajan

Image Quality Assessment (IQA) with references plays an important role in optimizing and evaluating computer vision tasks. Traditional methods assume that all pixels of the reference and test images are fully aligned. Such Aligned-Reference…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Keke Zhang , Weiling Chen , Tiesong Zhao , Zhou Wang

In this paper, we consider two challenging issues in reference-based super-resolution (RefSR), (i) how to choose a proper reference image, and (ii) how to learn real-world RefSR in a self-supervised manner. Particularly, we present a novel…

图像与视频处理 · 电气工程与系统科学 2022-07-21 Zhilu Zhang , Ruohao Wang , Hongzhi Zhang , Yunjin Chen , Wangmeng Zuo

New multinuclear MRI techniques, such as sodium MRI, generally suffer from low image quality due to an inherently low signal. Postprocessing methods, such as image denoising, have been developed for image enhancement. However, the…