Results 191 to 200 of about 7,229,109 (240)

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

Advanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong, James Trevarthen, Igor Dolbnya, Wadwan Singhapong, Nicholas Pilato, Richard Butler, Jiraphant Srisuriyachot, Alexander J. G. Lunt   +7 more
wiley   +1 more source

Integrating Ecology and Economics in Agent‐Based Models to Support Agricultural Policy

Advanced Science, EarlyView.
Agent‐based models are valuable tools for studying social‐ecological systems in agriculture. This review maps how existing agent‐based models represent the human and natural domains of agriculture, and discusses developments in economic and ecological agent‐based modeling.
Daniel Vedder, Judith Josephin Rakowski, Lea‐Deborah Kolb, Greta Sophie Theilen‐Loges, Sebastian Lakner, Guy Pe'er   +5 more
wiley   +1 more source

Underground Signals: The Ecological Power of Root Volatiles

Advanced Science, EarlyView.
Root volatiles mediate rhizosphere chemical communication, shaping interactions among plants, microbes, herbivores, and natural enemies. Their production, transport, and perception underpin ecological adaptation, multitrophic interactions, and plant resilience, offering opportunities for sustainable crop protection, resilient agroecosystems, and ...
Xueyao Cao, Nanli Song, François Verheggen, Meritxell Pérez‐Hedo, Andrea Clavijo McCormick, Antonino Cusumano, Arthur de Fouchier, Bing Wang, Chen‐Zhu Wang, Emmanuelle Jacquin‐Joly, Gary W. Felton, Geoff M. Gurr, Hao Guo, Jiancai Li, Jin Zhang, Li Chen, Manqun Wang, Michele Ricupero, Peng Han, Peng He, Qi Yan, Qingbo Tang, Qingsong Liu, Shiheng An, Xiangbo Kong, Xiaoling Sun, Xueming Ren, Yuanyuan Song, Yang Liu, Yanhui Guo, Yunhe Li, Xiao Sun   +31 more
wiley   +1 more source

Perceptual Quality Metrics Applied to Still Image Compression

Signal Processing, 1998
We present a review of perceptual image quality metrics and their application to still image compression. The review describes how image quality metrics can be used to guide an image compression scheme and outlines the advantages, disadvantages and ...
Andrew P. Bradley, Michael P Eckert
exaly   +2 more sources

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Perceptual Quality Assessment of Omnidirectional Images

Proceedings of the AAAI Conference on Artificial Intelligence, 2022
Omnidirectional images, also called 360◦images, have attracted extensive attention in recent years, due to the rapid development of virtual reality (VR) technologies. During omnidirectional image processing including capture, transmission, consumption, and so on, measuring the perceptual quality of omnidirectional images is highly desired, since it ...
Yuming Fang 0001, Liping Huang, Jiebin Yan, Xuelin Liu, Yang Liu 0293   +4 more
openaire   +1 more source

Perceptual Quality Assessment of Internet Videos

Proceedings of the 29th ACM International Conference on Multimedia, 2021
With the fast proliferation of online video sites and social media platforms, user, professionally and occupationally generated content (UGC, PGC, OGC) videos are streamed and explosively shared over the Internet. Consequently, it is urgent to monitor the content quality of these Internet videos to guarantee the user experience.
Jiahua Xu 0001, Jing Li 0026, Xingguang Zhou, Wei Zhou 0021, Baichao Wang, Zhibo Chen 0001   +5 more
openaire   +1 more source

Perceptual Quality Assessment of Cartoon Images

IEEE Transactions on Multimedia, 2023
In the animation industry, automatically predicting the quality of cartoon images based on the inputs of general distortions and color changes images is an urgent task, while the existing no-reference (NR) methods usually measure the perceptual quality of the natural images.
Hangwei Chen, Xiongli Chai, Feng Shao 0001, Xuejin Wang, Qiuping Jiang, Xiangchao Meng, Yo-Sung Ho   +6 more
openaire   +2 more sources

Perceptual quality assessment of nighttime video

Displays, 2021
Abstract The quality of nighttime videos is important for consumer photography and monitoring of video clearness. However, little work has been done on the study of nighttime video quality assessment. In this paper, to the best of our knowledge, we explore the study on the nighttime video quality assessment for the first time.
Da Pan 0001, GuiYing Song, Ping Shi 0001, HaoCheng Zhang   +3 more
openaire   +1 more source

Perceptual image quality assessment: a survey

Science China Information Sciences, 2020
Perceptual quality assessmentplays a vital role in the visual communication systems owing to theexistence of quality degradations introduced in various stages of visual signalacquisition, compression, transmission and display.Quality assessment for visual signals can be performed subjectively andobjectively, and objective quality assessment is usually ...
Guangtao Zhai, Xiongkuo Min
openaire   +2 more sources

Perceptual evaluation of singing quality

2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2017
A perceptually valid automatic singing evaluation score could serve as a complement to singing lessons, and make singing training more reachable to the masses. In this study, we adopt the idea behind PESQ (Perceptual Evaluation of Speech Quality) scoring metrics, and propose various perceptually relevant features to evaluate singing quality.
Chitralekha Gupta, Haizhou Li 0001, Ye Wang 0007   +2 more
openaire   +2 more sources