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High-speed digital imaging (HSDI) of the larynx provides important information on the vocal fold vibrations that are closely associated with voice condition. We present an active contour (snake)-based algorithm for the automatic delineation of the glottis within image sequences captured from an HSDI system. The algorithm has three steps: first, a rough segmentation is performed by global thresholding,...
Synthetic and genetically encoded optical switch probes and lock-in detection methods provide a means to modulate and isolate fluorescence signals from the optical switch and protein complexes of interest against un-modulated background sources. In this paper we propose an improved method for optical lock-in detection (OLID) fluorescence microscopy that can significantly enhance image contrast of...
We use an equivalent random system for the discrete rain medium. A serial model of computing cross-polar discrimination (XPD) is given by system model with propagation experiment data in Xi'an, China. The calculated results show this method is effective and straightforward.
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