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Existing saliency models have been designed and evaluated for predicting the saliency in distortion-free images. However, in practice, the image quality is affected by a host of factors at several stages of the image processing pipeline…

Computer Vision and Pattern Recognition · Computer Science 2016-04-14 Milind S. Gide , Samuel F. Dodge , Lina J. Karam

Advances in image compression, storage, and display technologies have made high-quality images and videos widely accessible. At this level of quality, distinguishing between compressed and original content becomes difficult, highlighting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Michela Testolina , Mohsen Jenadeleh , Shima Mohammadi , Shaolin Su , Joao Ascenso , Touradj Ebrahimi , Jon Sneyers , Dietmar Saupe

In this paper, we empirically reveal an invariance over images-images share a set of one-way wave equations with latent speeds. Each image is uniquely associated with a solution to these wave equations, allowing for its reconstruction with…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Yinpeng Chen , Dongdong Chen , Xiyang Dai , Mengchen Liu , Yinan Feng , Youzuo Lin , Lu Yuan , Zicheng Liu

Leveraging the large generative prior of the flow transformer for tuning-free image editing requires authentic inversion to project the image into the model's domain and a flexible invariance control mechanism to preserve non-target…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Pengcheng Xu , Boyuan Jiang , Xiaobin Hu , Donghao Luo , Qingdong He , Jiangning Zhang , Chengjie Wang , Yunsheng Wu , Charles Ling , Boyu Wang

Reliable and exact assessment of visibility is essential for safe air traffic. In order to overcome the drawbacks of the currently subjective reports from human observers, we present an approach to automatically derive visibility measures…

Computer Vision and Pattern Recognition · Computer Science 2015-05-21 Jean-Philippe Andreu , Stefan Mayer , Karlheinz Gutjahr , Harald Ganster

In many applications, machine-learned (ML) models are required to hold some invariance qualities, such as rotation, size, and intensity invariance. Among these, testing for background invariance presents a significant challenge due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Zukang Liao , Min Chen

Despite recent advances in inversion-based editing, text-guided image manipulation remains challenging for diffusion models. The primary bottlenecks include 1) the time-consuming nature of the inversion process; 2) the struggle to balance…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Sihan Xu , Yidong Huang , Jiayi Pan , Ziqiao Ma , Joyce Chai

Reliable perception is fundamental for safety critical decision making in autonomous driving. Yet, vision based object detector neural networks remain vulnerable to uncertainty arising from issues such as data bias and distributional…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Nishad Sahu , Shounak Sural , Aditya Satish Patil , Ragunathan , Rajkumar

As a consequence of the wave nature of light, invisibility devices based on isotropic media cannot be perfect. The principal distortions of invisibility are due to reflections and time delays. Reflections can be made exponentially small for…

Optics · Physics 2009-11-11 Ulf Leonhardt

Nowadays, image compression solutions are increasingly designed to operate within high-fidelity quality ranges, where preserving even the most subtle details of the original image is essential. In this context, the ability to detect and…

Multimedia · Computer Science 2025-09-17 Shima Mohammadi , Mohsen Jenadeleh , Jon Sneyers , Dietmar Saupe , João Ascenso

We present a novel method for image anomaly detection, where algorithms that use samples drawn from some distribution of "normal" data, aim to detect out-of-distribution (abnormal) samples. Our approach includes a combination of encoder and…

Image and Video Processing · Electrical Eng. & Systems 2020-03-02 Nina Tuluptceva , Bart Bakker , Irina Fedulova , Anton Konushin

In this paper, a novel Full Reference method is proposed for image quality assessment, using the combination of two separate metrics to measure the perceptually distinct impact of detail losses and of spurious details. To this purpose, the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 Elio D. Di Claudio , Giovanni Jacovitti

This study introduces a novel no-reference image quality metric aimed at assessing image sharpness. Designed to be robust against variations in noise, exposure, contrast, and image content, it measures the normalized decay rate of gradients…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Lucas Gonzalo Antonel

The performance of modern object detectors drops when the test distribution differs from the training one. Most of the methods that address this focus on object appearance changes caused by, e.g., different illumination conditions, or gaps…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Vidit Vidit , Martin Engilberge , Mathieu Salzmann

Assessing image aesthetics is a challenging computer vision task. One reason is that aesthetic preference is highly subjective and may vary significantly among people for certain images. Thus, it is important to properly model and quantify…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Hyeongnam Jang , Yeejin Lee , Jong-Seok Lee

Given that the factors influencing image quality vary significantly with scene, content, and distortion type, particularly in the context of regional heterogeneity, we propose an adaptive multi-quality factor (AMqF) framework to represent…

Image and Video Processing · Electrical Eng. & Systems 2024-12-25 Xuting Lan , Mingliang Zhou , Jielu Yan , Xuekai Wei , Yueting Huang , Zhaowei Shang , Huayan Pu

Instruction-based image editing, which aims to modify the image faithfully according to the instruction while preserving irrelevant content unchanged, has made significant progress. However, there still lacks a comprehensive metric for…

Graphics · Computer Science 2025-06-18 Zhuoying Li , Zhu Xu , Yuxin Peng , Yang Liu

We introduce an image based algorithmic tool for analyzing multi-component shapes here. Due to the generic concept of multi-component shapes, our method can be applied to the analysis of a wide spectrum of applications where real objects…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Jovisa Zunic , Milos Stojmenovic

Reference metrics have been developed to objectively and quantitatively compare two images. Especially for evaluating the quality of reconstructed or compressed images, these metrics have shown very useful. Extensive tests of such metrics…

Image and Video Processing · Electrical Eng. & Systems 2024-10-25 Melanie Dohmen , Tuan Truong , Ivo M. Baltruschat , Matthias Lenga

We initiate a systematic study of tolerant testers of image properties or, equivalently, algorithms that approximate the distance from a given image to the desired property (that is, the smallest fraction of pixels that need to change in…

Data Structures and Algorithms · Computer Science 2016-08-16 Piotr Berman , Meiram Murzabulatov , Sofya Raskhodnikova
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