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Loop stepper delay range-gated imaging study three-dimensional display

Author: WangMing
Tutor: ZhangYi
School: Nanjing University of Technology and Engineering
Course: Optical Engineering
Keywords: Range gating Homomorphic filtering Fault interpolation Elastic Matching IRC Dimensional display BCB
CLC: TP391.41
Type: Master's thesis
Year: 2012
Downloads: 25
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Abstract


Compared with the traditional two-dimensional images , three-dimensional images with three-dimensional sense of strong, the advantages of high information content , is a modern image display technology is an important research direction. Based on the cyclic delay from the paper stepping gated imaging apparatus for underwater target tomographic image at different distances , through three-dimensional image data strobe preprocessing algorithm research for three-dimensional display . Analysis of the loop stepper delay range gated three-dimensional imaging device , focused on technology and range gating delay synchronous control technique , and finally through the experiment , get underwater target range-gated image sequence ; range-gated image has a vision details vague, unclear and close-range target texture uneven brightness imaging characteristics , the paper discussed segmented histogram equalization and homomorphic filtering , based on a template from the spatial frequency domain algorithm rate three wavelet and perspective , proposed a three- An improved homomorphic filtering algorithms: two-dimensional tomographic image interpolation between the three-dimensional reconstruction is a key step , the paper discusses two gray interpolation algorithm , focusing on analysis of the network based on the linear elastic deformation model matching method , the proposed innovative the distance -based elastic matching strobe image interpolation algorithm , and finally get a higher accuracy isotropic volume data ; studying surface rendering and volume rendering , based on the method are discussed MC ( moving cube method ) and RC France ( ray casting ) , proposed an improved RC method (IRC). Three-dimensional display system application from the point of view , is designed based on the BCB An Interactive arbitrary rotation angle of the three-dimensional display screen. Experimental results show that : the improved homomorphic filtering algorithm to improve image quality has certain ; IRC France dimensional display effect is obvious, algorithm efficiency ; designed interface , easy operation , practical.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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