Improvement Of Disparity Map Refinement Stage Using Adaptive Least Square Plane Fitting Technique
This Letter presents an improvement of disparity map refinement stage using adaptive least square plane fitting technique. This technique is proposed to increase the accuracy on the final stage of stereo matching algorithm. Fundamentally, the accuracy of matching process depends on the robustness of...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Institution of Engineering and Technology
2020
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| Online Access: | http://eprints.utem.edu.my/id/eprint/25096/2/J13%202020.PDF http://eprints.utem.edu.my/id/eprint/25096/ https://digital-library.theiet.org/content/journals/10.1049/el.2020.1067 |
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| Institution: | Universiti Teknikal Malaysia Melaka |
| Language: | English |
| Summary: | This Letter presents an improvement of disparity map refinement stage using adaptive least square plane fitting technique. This technique is proposed to increase the accuracy on the final stage of stereo matching algorithm. Fundamentally, the accuracy of matching process depends on the robustness of an algorithm on the plain colour region, depth discontinuity and repetitive pattern area. These regions are difficult to be matched and very challenging. Thus, this Letter proposes multiple point selections of disparities on a plane to adaptively group similar disparity values. Then, the distance of each disparity is calculated to ensure the values are accurately grouped. The distance refers to an assigned reference radius disparity location. Based on the experimental results using the KITTI and Middlebury benchmark images, the proposed method is capable of increasing the accuracy on the challenging regions and the quantitative measurement. |
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