Results 31 to 40 of about 378,062 (357)

SIRIS: a high resolution scanning infrared camera for examining paintings [PDF]

, 2005
The new SIRIS (Scanning InfraRed Imaging System) camera developed at the National Gallery in London allows highresolution images of paintings to be made in the near infrared region (900–1700 nm).
Richard Bingham, Saunders, D, John Cupitt, Sawyers, C, Nick Atkinson, Cupitt, J, Craig Sawyers, David Saunders, Liang, H, Atkinson, N, Bingham, R, Haida Liang   +11 more
core   +1 more source

Performance evaluation of non‐metric digital camera for photogrammetric application

Geodesy and Cartography, 2012
During the last year amateur low‐cost digital cameras are increasingly expected to contribute to the digital photogrammetry. An important aspect of the suitability of these cameras is determination of their geometrical instability.
Birutė Ruzgienė
doaj   +1 more source

Workflow efficiency pilot study of Surgery Viewer: A secure hands-free intraoperative multimedia interface for Google Glass™

SAGE Open Medicine, 2019
Background: The Google Glass™ heads-up-display system has been adopted by the medical field for applications such as image capture, live streaming and decision support.
Salman Ahmad, John Tann, John Gaddy, Aaron McKenzie, Alan Zentz, Ben Naumann, Sophia Toy, Carla Leighow   +7 more
doaj   +1 more source

RAPID DETECTION OF VITAMIN C CONTENT IN FRUITS AND VEGETABLES USING A DIGITAL CAMERA AND COLOR REACTION [PDF]

Química Nova, 2021
In this study, we propose a novel method to determine the vitamin C content in fruits and vegetables. The proposed method exploits the image and data processing abilities of computers by coupling a digital camera and a color reaction.
Wen-zhu Zhao, Ping-ping Cao, Yuan-yang Zhu, Sheng Liu, Hong-Wen Gao, Chao-qun Huang   +5 more
doaj   +1 more source

Source identification for mobile devices, based on wavelet transforms combined with sensor imperfections [PDF]

, 2013
One of the most relevant applications of digital image forensics is to accurately identify the device used for taking a given set of images, a problem called source identification.
Hernandez-Castro, Julio C., Arenas, Gonzalez, Garcia Villalba, L.J., Sandoval Orozco, A.L., Rosales, Corripio   +4 more
core   +1 more source

An automatic fluorescence phenotyping platform to evaluate dynamic infection process of Tobacco mosaic virus-green fluorescent protein in tobacco leaves

Frontiers in Plant Science, 2022
Tobacco is one of the important economic crops all over the world. Tobacco mosaic virus (TMV) seriously affects the yield and quality of tobacco leaves.
Junli Ye, Jingyan Song, Yuan Gao, Xu Lu, Xu Lu, Wenyue Pei, Feng Li, Hui Feng, Hui Feng, Wanneng Yang, Wanneng Yang   +10 more
doaj   +1 more source

Automatic camera selection for activity monitoring in a multi-camera system for tennis [PDF]

, 2009
In professional tennis training matches, the coach needs to be able to view play from the most appropriate angle in order to monitor players' activities.
Ó Conaire, Ciarán, Kim, Chanyul, O'Connor, Noel E., Kelly, Philip, Chanyul Kim, Philip Kelly, Ciaran O Conaire, Noel E. O'Connor   +7 more
core   +1 more source

Evaluating noise in digitized radiographic images by means of histogram Avaliação de ruído em imagens radiográficas digitalizadas por meio do histograma

Journal of Applied Oral Science, 2006
To evaluate the performance of three digital devices regarding the noise added to digital radiographic images containing different optical densities.
Izabel Regina Fischer Rubira-Bullen, Maurício Cunha Escarpinati, Homero Schiabel, Marcelo Andrade da Costa Vieira, Fischer Rubira, José Roberto Pereira Lauris   +5 more
doaj   +1 more source

Implementation of close range photogrammetry using modern non-metric digital cameras for architectural documentation

Geodesy and Cartography, 2021
The development of applied geodetic techniques for mapping and documentation of historical structures, buildings and sites is an important and vital purpose for contribution of any recording of cultural heritage for any country such as Egypt.
Mariem A. Elhalawani, Zaki M. Zeidan, Ashraf A. A. Beshr   +2 more
doaj   +1 more source

Camera focusing based on fringe pattern matching [PDF]

, 1997
A method of camera focusing based on fringe pattern matching is presented. In the method, the variance of the mismatch function is used as a focus measure.
Bryanston-Cross, P., Wang, Zuobin
core   +1 more source