TG: Accurate and Efficient RGB-D Feature With Texture and Geometric Information
- Publisher:
- Institute of Electrical and Electronics Engineers (IEEE)
- Publication Type:
- Journal Article
- Citation:
- IEEE/ASME Transactions on Mechatronics, 2022, 27, (4), pp. 1973-1981
- Issue Date:
- 2022-08-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| TG_Accurate_and_Efficient_RGB-D_Feature_With_Texture_and_Geometric_Information.pdf | 2 MB |
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Feature extraction and matching are the basis of many computer vision problems, such as image retrieval, object recognition, and visual odometry. In this article, we present a novel RGB-D feature with texture and geometric information (TG). It consists of a keypoint detector and a feature descriptor, which is accurate, efficient, and robust to scene variance. In the keypoint detection, we build a simplified Gaussian image pyramid to extract the texture feature. Meanwhile, the gradient of the point cloud is superimposed as the geometric feature. In the feature description, the texture information and spatial information are encoded in relative order to build a discriminative descriptor. We also construct a novel RGB-D benchmark dataset for RGB-D detector and descriptor evaluation under single variation. Comprehensive experiments are carried out to prove the superior performance of the proposed feature compared with state-of-the-art algorithms. The experimental results also demonstrate that our TG can achieve better performance especially on accuracy and the computational efficiency, making it more suitable for the real-time applications, e.g., visual odometry.
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