Non-invasive multiple camera calibration in highly crowded environments

2012 ◽  
pp. CSO1
Author(s):  
Emanuel Aldea ◽  
Khurom Kiyani ◽  
Maria Petrou
Keyword(s):  
Camera Calibration ◽  
Multiple Camera ◽  
Non Invasive ◽  
Crowded Environments

scholarly journals A multiple camera calibration and point cloud fusion tool for Kinect V2

2017 ◽  
Vol 143 ◽  
pp. 1-8 ◽  
Author(s):  
Diana-Margarita Córdova-Esparza ◽  
Juan R. Terven ◽  
Hugo Jiménez-Hernández ◽  
Ana-Marcela Herrera-Navarro
Keyword(s):  
Camera Calibration ◽  
Point Cloud ◽  
Kinect V2 ◽  
Multiple Camera

Seamless Multiparty Videoconference

2011 ◽  
pp. 231-251
Author(s):  
T. Lertrusdachakul ◽  
A. Taguchi ◽  
T. Aoki ◽  
H. Yasuda
Keyword(s):  
Interpersonal Communication ◽  
Camera Calibration ◽  
Social Presence ◽  
Eye Contact ◽  
Human Communication ◽  
Visual Channel ◽  
Multiple Camera ◽  
Videoconferencing System ◽  
Calibration Approach

This chapter introduces the seamless multiparty videoconferencing system focusing on the realistic sensation domain. It argues that gaze and gesture are the important mechanisms to enable visual channel and social presence in human-human communication. The authors hope that the aspect of establishing eye contact and synchronous finger pointing through a multiple-camera calibration approach and transparent based division will contribute to the advanced telecommunication and have significant effect to the improvement of future interpersonal communication.

X-ray microtomography

1988 ◽  
Vol 46 ◽  
pp. 998-999
Author(s):  
H.W. Deckman ◽  
B.F. Flannery ◽  
J.H. Dunsmuir ◽  
K.D' Amico
Keyword(s):  
Computed Tomography ◽  
Internal Structure ◽  
Imaging Technique ◽  
Three Dimensional ◽  
Tissue Structure ◽  
Individual Element ◽  
X Ray ◽  
Non Invasive ◽  
Panoramic Imaging ◽  
Three Dimensional Images

We have developed a new X-ray microscope which produces complete three dimensional images of samples. The microscope operates by performing X-ray tomography with unprecedented resolution. Tomography is a non-invasive imaging technique that creates maps of the internal structure of samples from measurement of the attenuation of penetrating radiation. As conventionally practiced in medical Computed Tomography (CT), radiologists produce maps of bone and tissue structure in several planar sections that reveal features with 1mm resolution and 1% contrast. Microtomography extends the capability of CT in several ways. First, the resolution which approaches one micron, is one thousand times higher than that of the medical CT. Second, our approach acquires and analyses the data in a panoramic imaging format that directly produces three-dimensional maps in a series of contiguous stacked planes. Typical maps available today consist of three hundred planar sections each containing 512x512 pixels. Finally, and perhaps of most import scientifically, microtomography using a synchrotron X-ray source, allows us to generate maps of individual element.

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