Image processing device, information output device, image processing system, image processing method, and computer program

JPWO2024261855A1Pending Publication Date: 2024-12-26
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
JP2025527258
Authority / Receiving Office
JP · JP
Patent Type
Applications
Filing Date
2023-06-20
Publication Date
2024-12-26
Patent Text Reader
Need to check novelty before this filing date? Find Prior Art
No text content released.

Claims

1. A means for acquiring three-dimensional information about living organisms, A detection means for detecting the movement of the living organism while the acquisition is in progress, Correction means for correcting the biological image corresponding to the three-dimensional information based on the aforementioned movement, An image processing device equipped with the following features.

2. The aforementioned three-dimensional information is three-dimensional tomographic data generated by irradiating with a light beam while scanning it in two dimensions and performing optical coherence tomography. The three-dimensional tomographic data includes a two-dimensional tomographic image acquired by scanning the light beam in one direction. The motion detection means detects the motion based on the displacement between the tomographic images. The image processing apparatus according to claim 1.

3. An extraction means for extracting the position of the finger surface from each of the aforementioned tomographic images, A generation means for generating a fingerprint image including the skin pattern of the finger based on three-dimensional tomographic data and the position of the finger surface extracted from each of the tomographic images. Equipped with The image processing apparatus according to claim 2.

4. The motion detection means detects the movement of the finger based on the position of the finger while the light beam is irradiated. The image processing apparatus according to claim 1 or 2.

5. Determination means for determining whether or not to perform correction by the correction means according to at least one of the fingerprint image generated by the generation means and the finger movement detected by the motion detection means. Equipped with The image processing apparatus according to claim 3.

6. An acquisition means for acquiring three-dimensional information generated by irradiating a finger with a light beam while performing a two-dimensional scan, A detection means for detecting the movement of the finger while the light beam is irradiated, Based on the aforementioned movement, a correction means for correcting the distortion of the fingerprint image corresponding to the three-dimensional information, Output means for outputting information relating to at least one of the motion, a fingerprint image corresponding to the three-dimensional information, and a corrected fingerprint image with the distortion corrected. An information output device equipped with the following features.

7. The output means outputs information prompting the acquisition of the three-dimensional information when the movement exceeds a predetermined level. The information output device according to claim 6.

8. An optical coherence tomography (OCT) system that generates three-dimensional tomographic data by irradiating a light beam while scanning it in two dimensions and performing optical coherence tomography imaging, An image processing apparatus comprising: acquisition means for acquiring the three-dimensional tomography data; detection means for detecting the movement of the finger while the light beam is irradiated; and correction means for correcting the distortion of the fingerprint image corresponding to the three-dimensional tomography data based on the movement. An image processing system including [specific components / features].

9. By acquiring three-dimensional information about living organisms, The movement of the living organism during the acquisition is detected, Based on the aforementioned movement, the biological image corresponding to the three-dimensional information is corrected. A method of image processing performed by a computer.

10. On the computer, By acquiring three-dimensional information about living organisms, The movement of the living organism during the acquisition is detected, Based on the aforementioned movement, the biological image corresponding to the three-dimensional information is corrected. A computer program used to perform image processing.

Citation Information

Patent Citations

  • Imaging apparatus and imaging method

    JP2006319782A

  • Opto-tomographic image capturing apparatus for eye

    JP2013179972A

  • Processing device, system, biometric authentication system, processing method, and computer readable medium

    WO2021019788A1