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Rate-distortion efficient piecewise planar 3-D scene representation from 2-D images
Evren Imre1, A Aydin Alatan, Uğur Güdükbay
1Centre de Recherche INRIA Nancy Grand Est, Villers-lès-Nancy, France. evren.imre@gmail.com
Summary
This study introduces a new algorithm for 2-D-to-3-D conversion, improving representation efficiency for storage and transmission. The novel mesh-based method offers superior rate-distortion performance in certain scenes.
Area of Science:
- Computer Vision
- Computer Graphics
- Image Processing
Background:
- Representation efficiency is critical for 2-D-to-3-D conversion in storage and transmission.
- Existing methods often overlook the importance of representation efficiency.
Purpose of the Study:
- To propose a novel algorithm for efficient 3-D representations in the rate-distortion sense.
- To address the lack of attention on representation efficiency in 2-D-to-3-D conversion.
Main Methods:
- Utilizes two views of a scene.
- Builds a mesh-based representation incrementally by adding new vertices.
- Minimizes a distortion measure during representation construction.
Main Results:
- The proposed algorithm yields efficient 3-D representations in the rate-distortion sense.
- Outperforms dense depth maps for scenes approximated by planes.
- Shows superiority over block motion vector-based representations in some practical scenarios.
Conclusions:
- The novel algorithm significantly enhances representation efficiency for 2-D-to-3-D conversion.
- Mesh-based incremental construction with distortion minimization is an effective approach.
- The method provides a practical solution for efficient 3-D data handling.
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