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In remote sensing, images acquired by various earth observation satellites tend to have either a high spatial and low spectral resolution or vice versa. Pansharpening is a technique which aims to improve spatial resolution of multispectral…

计算机视觉与模式识别 · 计算机科学 2015-11-17 Shailesh Panchal , Rajesh Thakker

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

Various and different methods can be used to produce high-resolution multispectral images from high-resolution panchromatic image (PAN) and low-resolution multispectral images (MS), mostly on the pixel level. The Quality of image fusion is…

计算机视觉与模式识别 · 计算机科学 2012-07-24 Firouz Abdullah Al-Wassai , Dr. N. V. Kalyankar

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

Contrast change is an important factor that affects the quality of images. During image capturing, unfavorable lighting conditions can cause contrast change and visual quality loss. While various methods have been proposed to assess the…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Mohammad-Ali Mahmoudpour , Saeed Mahmoudpour

Digital images contain a lot of redundancies, therefore, compressions are applied to reduce the image size without the loss of reasonable image quality. The same become more prominent in the case of videos that contains image sequences and…

图像与视频处理 · 电气工程与系统科学 2021-12-30 Nisar Ahmed , Hafiz Muhammad Shahzad Asif , Hassan Khalid

One of the challenges facing the adoption of digital pathology workflows for clinical use is the need for automated quality control. As the scanners sometimes determine focus inaccurately, the resultant image blur deteriorates the scanned…

图像与视频处理 · 电气工程与系统科学 2018-11-16 Mahdi S. Hosseini , Yueyang Zhang , Lyndon Chan , Konstantinos N. Plataniotis , Jasper A. Z. Brawley-Hayes , Savvas Damaskinos

Tone mapping operators and multi-exposure fusion methods allow us to enjoy the informative contents of high dynamic range (HDR) images with standard dynamic range devices, but also introduce distortions into HDR contents. Therefore methods…

多媒体 · 计算机科学 2021-02-11 Qin He , Dingquan Li , Tingting Jiang , Ming Jiang

Image quality assessment(IQA) is of increasing importance for image-based applications. Its purpose is to establish a model that can replace humans for accurately evaluating image quality. According to whether the reference image is…

图像与视频处理 · 电气工程与系统科学 2022-01-12 Lanjiang Wang

In this paper, we address the well-known image quality assessment problem but in contrast from existing approaches that predict image quality independently for every images, we propose to jointly model different images depicting the same…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Marcelin Tworski , Stéphane Lathuilière

Blind or no-reference image quality assessment (NR-IQA) is a fundamental, unsolved, and yet challenging problem due to the unavailability of a reference image. It is vital to the streaming and social media industries that impact billions of…

计算机视觉与模式识别 · 计算机科学 2020-06-09 S. Alireza Golestaneh , Kris Kitani

In this work, we present a novel non-rigid shape matching framework based on multi-resolution functional maps with spectral attention. Existing functional map learning methods all rely on the critical choice of the spectral resolution…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Lei Li , Nicolas Donati , Maks Ovsjanikov

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

Semi-dense feature matching methods have been significantly advanced by leveraging attention mechanisms to extract discriminative descriptors. However, most existing approaches treat all pixels equally during attention computations, which…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Dongyue Li

Referenceless metrics (e.g., CLIPScore) use pretrained vision--language models to assess image descriptions directly without costly ground-truth reference texts. Such methods can facilitate rapid progress, but only if they truly align with…

计算与语言 · 计算机科学 2023-09-22 Elisa Kreiss , Eric Zelikman , Christopher Potts , Nick Haber

This short paper presents a perspective plan to build a null reference image quality assessment. Its main goal is to deliver both the objective score and the distortion map for a given distorted image without the knowledge of its reference…

多媒体 · 计算机科学 2015-12-15 Stéfane Paris

The process of rendering high dynamic range (HDR) images to be viewed on conventional displays is called tone mapping. However, tone mapping introduces distortions in the final image which may lead to visual displeasure. To quantify these…

Reference-based Super-resolution (RefSR) approaches have recently been proposed to overcome the ill-posed problem of image super-resolution by providing additional information from a high-resolution image. Multi-reference super-resolution…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Ke Zhao , Haining Tan , Tsz Fung Yau

Real-world image restoration deals with the recovery of images suffering from an unknown degradation. This task is typically addressed while being given only degraded images, without their corresponding ground-truth versions. In this hard…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Sean Man , Guy Ohayon , Ron Raphaeli , Michael Elad

Omnidirectional images, aka 360 images, can deliver immersive and interactive visual experiences. As their popularity has increased dramatically in recent years, evaluating the quality of 360 images has become a problem of interest since it…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Nafiseh Jabbari Tofighi , Mohamed Hedi Elfkir , Nevrez Imamoglu , Cagri Ozcinar , Erkut Erdem , Aykut Erdem