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Journal of Flow Visualization and Image Processing

Publication de 4  numéros par an

ISSN Imprimer: 1065-3090

ISSN En ligne: 1940-4336

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.6 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00013 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

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THE THREE-DIMENSIONAL RECONSTRUCTION BY FITTING A STEREO ADAPTER IN FRONT OF THE LENS OF A SINGLE HIGH-SPEED CAMERA AND ITS APPLICATION

Volume 12, Numéro 4, 2005, pp. 343-362
DOI: 10.1615/JFlowVisImageProc.v12.i4.20
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RÉSUMÉ

The three-dimensional reconstruction from two two-dimensional images was performed by setting a stereo adapter in front of the lens of a single high-speed camera. The stereo adapter consists of four plane mirrors that can be divided into two groups, forming the symmetrical optical structure. When the light from a single object is passing through the two groups of the plane mirrors, two images can be formed; these images are equivalent to those taken by two high-speed cameras. The corresponding matrices were obtained among the three coordinate systems. The three-dimensional reconstruction was acquired with the help of the computer version technique. The calibration process was to obtain intrinsic and extrinsic matrices. The length computed using the proposed hardware has the maximum error of 5.6% compared with its real value. The nonsymmetric behavior of the flapping amplitudes and frequencies of the two wings was obtained for the free turning process of the selected domestic fly. It is found that the flapping frequencies of the two wings are nearly the same, but the flapping amplitudes are different. The flapping trajectories of the two wings have the phase angles. The flapping amplitudes and the phase angles of the two wings are responsible for free turning of the tested fly. The present optical system is identified to be simple and useful, overcoming the limit of the symmetry flapping assumption of the two wings.

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