A local-global shape characterization scheme using quadratic Bezier triangle aiding retrieval

Kanimozhi, M.; Sudhakar, M.

doi:10.1016/j.dsp.2022.103893

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2024

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Cited by 3 publications

References 60 publications

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SparseGraphX: exponentially regularized optimal sparse graph for enhanced label propagation

2024

Appl Intell

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SparseGraphX: exponentially regularized optimal sparse graph for enhanced label propagation

2024

Appl Intell

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A Novel Triangulated Spherical Brightness Temperature Model of the Moon With Chang’e-2 Microwave Radiometer Data

Li,

Cai,

Zhu

2024

IEEE Trans. Geosci. Remote Sensing

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Ellipse-Fit Alignment for Robust 2D Shape Recognition

Fidan,

Ergin,

Koç

et al. 2024

Preprint

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This study proposes a novel approach for robust 2D shape recognition through ellipse-fit alignment. The method aligns shapes using an ellipse fitting algorithm, addressing issues of rotation, translation, and scaling commonly observed in shape databases. Following alignment, shapes are classified using various similarity measures. Experimental results on the Kimia and TARI databases demonstrate the effectiveness of the proposed method. In the Kimia database, metrics such as Threat Score, Accuracy, F1 Score, Matthews Correlation Coefficient, Fowlkes-Mallows index, and Vote achieved perfect recognition rates. The code and databases can be accessed via https://doi.org/10.5281/zenodo.14423922. While the TARI database yielded slightly lower recognition rates, with Accuracy and Markedness contributing to an 85.5% recognition rate, the results highlight the potential and limitations of the approach. The study introduces a significant advancement in 2D shape recognition by combining ellipse fitting, affine transformation, and similarity measurement, offering a robust solution for applications in computer vision and image retrieval.

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A local-global shape characterization scheme using quadratic Bezier triangle aiding retrieval

Cited by 3 publications

References 60 publications

SparseGraphX: exponentially regularized optimal sparse graph for enhanced label propagation

SparseGraphX: exponentially regularized optimal sparse graph for enhanced label propagation

A Novel Triangulated Spherical Brightness Temperature Model of the Moon With Chang’e-2 Microwave Radiometer Data

Ellipse-Fit Alignment for Robust 2D Shape Recognition

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