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Research on the Realtime Mosaic Methods of the Underwater Images

Author: XieYuLai
Tutor: LiXingFei
School: Tianjin University
Course: Measuring Technology and Instruments
Keywords: Underwater image Image Stitching Image preprocessing Image registration Image Fusion Real-time
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 89
Quote: 0
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Abstract


Underwater image stitching technology currently exists a lack of real-time , high robustness , greatly influenced the development of the underwater vision technology . In this paper, a kind of underwater image stitching method , real-time underwater images embedded , robust , in order to obtain a wide range of seamless underwater Flatten Image . First added for underwater image pre-processing link ; then the robustness but slow processing SIFT algorithm to improve the image registration based on the SURF algorithm is applied underwater image registration ; Finally, based on watershed transform the search for the best suture with maximum flow / minimum cut-off method of underwater image fusion algorithm of image fusion , completed underwater image stitching . The experimental results show that the underwater image pre-processing method can effectively improve the quality of underwater images , and to prepare for subsequent image registration ; effective in improving the speed of image registration image registration algorithm based on the the SURF algorithm of underwater has good real-time and image registration accuracy equivalent to SIFT algorithm - based method , but also has better robustness ; based on watershed transform and maximum flow / minimum cut method search suture underwater fast image fusion algorithm fusion can effectively eliminate ghosting , eliminate or weaken splicing gap, improving the quality of stitching . The methods to meet the real-time of underwater image stitching technology , robustness and automatic need for sea craft to complete specific ocean exploration , marine monitoring tasks , in particular, will provide some help in underwater visual navigation embodies engineering practicality .

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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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