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This paper presents a novel approach to assessing human lighting adjustment behavior and preference in diverse lighting conditions through the evaluation of emotional feedback and behavioral data using VR. Participants (n= 27) were exposed…

Human-Computer Interaction · Computer Science 2023-07-21 Armin Mostafavi , Tong Bill Xu , Saleh Kalantari

Many media are divided into elementary units with irregular shape and size, as exemplified by domains in magnetic materials, bubbles in foams, or cells in biological tissues. Such media are essentially characterized by geometrical disorder…

Biological Physics · Physics 2021-04-21 Antoine Fruleux , Arezki Boudaoud

We report the application of machine learning to smartphone based colorimetric detection of pH values. The strip images were used as the training set for Least Squares-Support Vector Machine (LS-SVM) classifier algorithms that were able to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Ali Y. Mutlu , Volkan Kılıç , Gizem K. Özdemir , Abdullah Bayram , Nesrin Horzum , Mehmet E. Solmaz

Super-resolution results are usually measured by full-reference image quality metrics or human rating scores. However, these evaluation methods are general image quality measurement, and do not account for the nature of the super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Sheng Cheng

We propose Multi-spectral Neural Radiance Fields(Spec-NeRF) for jointly reconstructing a multispectral radiance field and spectral sensitivity functions(SSFs) of the camera from a set of color images filtered by different filters. The…

Image and Video Processing · Electrical Eng. & Systems 2023-10-23 Jiabao Li , Yuqi Li , Ciliang Sun , Chong Wang , Jinhui Xiang

This paper presents a framework for developing a live vision-correcting display (VCD) to address refractive visual aberrations without the need for traditional vision correction devices like glasses or contact lenses, particularly in…

Image and Video Processing · Electrical Eng. & Systems 2025-01-06 Akhilesh Balaji , Dhruv Ramu

Understanding how humans perceive visual complexity is a key area of study in visual cognition. Previous approaches to modeling visual complexity assessments have often resulted in intricate, difficult-to-interpret algorithms that employ…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Karahan Sarıtaş , Peter Dayan , Tingke Shen , Surabhi S Nath

Object detectors are vital to many modern computer vision applications. However, even state-of-the-art object detectors are not perfect. On two images that look similar to human eyes, the same detector can make different predictions because…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Caleb Tung , Abhinav Goel , Fischer Bordwell , Nick Eliopoulos , Xiao Hu , George K. Thiruvathukal , Yung-Hsiang Lu

The aim of this study was to assess the extreme effects of tinted lenses on colour vision by examining changes in chromatic sensitivity when viewing visual displays through a slightly tinted (blue-blocking) filter and through a heavily…

Medical Physics · Physics 2022-08-31 Lucia Natali , Alessandro Farini , Elisabetta Baldanzi , John Barbur

Color constancy and color illusion perception are two phenomena occurring in the human visual system, which can help us reveal unknown mechanisms of human perception. For decades computer vision scientists have developed numerous color…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Oguzhan Ulucan , Diclehan Ulucan , Marc Ebner

Within the framework of a virtual clinical trial for breast imaging, we aim to develop numerical observers that follow the same detection performance trends as those of a typical human observer. In our prior work, we showed that by…

Computer Vision and Pattern Recognition · Computer Science 2014-08-07 Ali R. N. Avanaki , Kathryn S. Espig , Albert Xthona , Tom R. L. Kimpe , Predrag R. Bakic , Andrew D. A. Maidment

Vision science imposes rigorous requirements for the design and execution of psychophysical studies and experiments. These requirements ensure precise control over variables, accurate measurement of perceptual responses, and reproducibility…

Graphics · Computer Science 2024-10-23 Tarek Abu Haila , Korbinian Kunst , Tran Quoc Khanh , Thomas S. A. Wallis

Substances such as chemical compounds are invisible to human eyes, they are usually captured by sensing equipments with their spectral fingerprints. Though spectra of pure chemicals can be identified by visual inspection, the spectra of…

Numerical Analysis · Mathematics 2015-01-07 Yuanchang Sun , Wensong Wu , Jack Xin

In this work, we aim to detect the changes caused by object variations in a scene represented by the neural radiance fields (NeRFs). Given an arbitrary view and two sets of scene images captured at different timestamps, we can predict the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Rui Huang , Binbin Jiang , Qingyi Zhao , William Wang , Yuxiang Zhang , Qing Guo

The interest in complex deep neural networks for computer vision applications is increasing. This leads to the need for improving the interpretable capabilities of these models. Recent explanation methods present visualizations of the…

Machine Learning · Computer Science 2020-04-24 Dan Valle , Tiago Pimentel , Adriano Veloso

Color and intensity are two important components in an image. Usually, groups of image pixels, which are similar in color or intensity, are an informative representation for an object. They are therefore particularly suitable for computer…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Guanjun Guo , Hanzi Wang , Wan-Lei Zhao , Yan Yan , Xuelong Li

This study proposes a tactile diagram pattern for visually impaired people to recognize color information. The pattern uses the principle of three primary colors, with different patterns representing red, blue, and yellow. The size of…

Human-Computer Interaction · Computer Science 2024-11-11 Hsin-Yi Chao , Hiroki Ishizuka

The human tri-color vision process may be characterized as follows: 1. A requirement of three scalar quantities to fully define a color (for example, intensity, hue, and purity), with 2. These scalar measures linear in the intensity of the…

Neurons and Cognition · Quantitative Biology 2023-07-12 M. L. Sloan

For first-person shooting game players, display refresh rate is important for a smooth experience. Multiple studies have shown that a low display refresh rate will reduce gamers' experience and performance. However, the human eye's…

Human-Computer Interaction · Computer Science 2024-06-21 Haoshen Qin , Zixian Zhu

Estimating correspondence between two images and extracting the foreground object are two challenges in computer vision. With dual-lens smart phones, such as iPhone 7Plus and Huawei P9, coming into the market, two images of slightly…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Xiaoyong Shen , Hongyun Gao , Xin Tao , Chao Zhou , Jiaya Jia