Optical coherence tomographic image generating device, optical coherence tomographic image generating method, and recording medium

The optical coherence tomographic image generating device addresses the challenge of determining scanning regions by using a stereoscopic image to accurately capture high-quality images, particularly in complex structures like fingerprints.

JP7768351B2Active Publication Date: 2025-11-12NEC CORP
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Patent Information

Application Number
JP2024509658
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-03-25
Publication Date
2025-11-12
Estimated Expiration
2042-03-25

AI Technical Summary

Technical Problem

Existing optical coherence tomographic image generating technologies face challenges in efficiently and accurately determining scanning regions for capturing high-quality images, particularly in complex structures like fingerprints.

Method used

An optical coherence tomographic image generating device that includes an acquisition unit for acquiring a stereoscopic image, a determination unit for determining multiple scanning regions based on the stereoscopic image, and a control unit for controlling the scanning of these regions with light to capture optical coherence tomographic images.

Benefits of technology

Enables the generation of highly accurate optical coherence tomographic images by efficiently determining and scanning specific areas, such as fingerprint regions, improving image quality and coverage.

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Abstract

This optical interference tomography apparatus 1 comprises: an optical interference tomography device 11 that acquires a stereoscopic image SI of a subject; an optical interference tomography device 12 that determines a plurality of scanning regions on the subject on the basis of the stereoscopic image SI; and a control unit 13 that causes a light irradiation position for capturing an optical interference tomographic image of the subject to move relative to the subject, and controls the scanning of the plurality of scanning regions with each light.
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Citation Information

Patent Citations

  • Fingerprint matching device, fingerprint matching method, fingerprint matching program and fingerprint registration device

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  • Nail printing device and print control method

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  • Ophthalmological photographic equipment and ophthalmological photographic program

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  • Optical tomographic image acquisition device

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