منابع مشابه
Structural Modal Identification Through High Speed Camera Video: Motion Magnification
Video cameras offer the unique capability of collecting high density spatial data from a distant scene of interest. They could be employed as remote monitoring or inspection sensors because of their commonplace use, simplicity, and relatively low cost. The difficulty is in interpreting the video data into a usable format, such as displacement, that is familiar to engineers. A methodology called...
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Article history: Received 17 September 2008 Received in revised form 2 February 2009 Accepted 7 March 2009
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PURPOSE The dose delivered with a HDR (192)Ir afterloader can be separated into a dwell component, and a transit component resulting from the source movement. The transit component is directly dependent on the source speed profile and it is the goal of this study to measure accurate source speed profiles. METHODS A high speed video camera was used to record the movement of a (192)Ir source (N...
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High-speed video cameras are powerful tools for investigating for instance the biomechanics analysis or the movements of mechanical parts in manufacturing processes. In the past years, the use of CMOS sensors instead of CCDs has enabled the development of high-speed video cameras offering digital outputs, readout flexibility, and lower manufacturing costs. In this paper, we propose a high-speed...
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A system to detect logos in the high-motion setting of a sports video is presented, which allows for automated advertisement efficiency verification. We first incorporate a basic feature-matching algorithm using SIFT, nearest-neighbor matching and RANSAC. The main contribution of this work is the capitalization of the temporal redundancy, inherent in videos, by employing a second-pass to propag...
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ژورنال
عنوان ژورنال: Journal of the Visualization Society of Japan
سال: 2003
ISSN: 1884-037X,0916-4731
DOI: 10.3154/jvs.23.101