Object information acquiring apparatus and control method thereof

• US 10,413,192 B2
• Filed: 06/26/2013
• Issued: 09/17/2019
• Est. Priority Date: 07/17/2012
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Wanda, Koichiro
• Primary Examiner(s): Santos Rodriguez, Joseph M
• Application Number:
  US14/405,274
• Publication Number:
  US 20150148652A1
• Time in Patent Office: 2,274 Days
• CPC Class Codes: A61B 5/0095 by applying light and detecting acoustic waves, i.e. photoacoustic measurements
• CPC Class Codes: A61B 5/14542 for measuring blood gases A61B5/14551 takes precedence
• CPC Class Codes: A61B 5/743 Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
• CPC Class Codes: A61B 8/0825 for diagnosis of the breast, e.g. mammography
• CPC Class Codes: A61B 8/085 for locating body or organic structures, e.g. tumours, calculi, blood vessels, nodules
• CPC Class Codes: A61B 8/403 using compression means
• CPC Class Codes: A61B 8/42 Details of probe positioning or probe attachment to the patient
• CPC Class Codes: A61B 8/4416 related to combined acquisition of different diagnostic modalities, e.g. combination of ultrasound and X-ray acquisitions
• CPC Class Codes: A61B 8/466 adapted to display 3D data 3D imaging and stereoscopic displays in devices for short-range imaging with acoustic waves G01S15/8993 and G01S7/52068, respectively; 3D image rendering G06T15/00; manipulating 3D models for computer graphics G06T19/00
• CPC Class Codes: A61B 8/5292 using additional data, e.g. patient information, image labeling, acquisition parameters
• CPC Class Codes: G16H 30/20 for handling medical images, e.g. DICOM, HL7 or PACS

Abstract

Provided is an object information acquiring apparatus, including: a light source; a detecting unit that detects an acoustic wave generated from an object which has received an irradiation light from the light source; a processing unit that generates characteristic information on the inside of the object by using the acoustic wave; and a memory unit that records the characteristic information in association with information on the irradiation light.

Claims

1. An object information acquiring apparatus comprising:

at least one CPU; and

memory,

wherein said at least one CPU and said memory cooperate to function as;

a processing unit configured to generate a DICOM image representing characteristic information on an object based on an acoustic wave generated from the object which has received irradiation light;

a data generating unit configured to generate, in a DICOM data format, a recording data by storing information of the irradiation light in a tag and attaching the tag to the DICOM image representing the characteristic information and configured to transmit the recording data to a data recording unit configured to record the recording data.

2. The object information acquiring apparatus according to claim 1, wherein said processing unit segments the object into a plurality of unit regions, and generates the DICOM image representing characteristic information for each unit region, and

said data generating unit generates the recording data by storing the information of the irradiation light in the tag and attaching the tag to the DICOM image representing the characteristic information for each unit region.

3. The object information acquiring apparatus according to claim 1, wherein the information of the irradiation light includes information of an angle of the irradiation light with respect to the object.

4. The object information acquiring apparatus according to claim 1, wherein the information of the irradiation light includes information of wavelength of the irradiation light.

5. The object information acquiring apparatus according to claim 1, wherein the information of the irradiation light includes information of a number of times photo-irradiation is executed.

6. The object information acquiring apparatus according to claim 2, wherein said processing unit determines information on an image quality in each of the unit regions based on the information of the irradiation light included in the recording data and causes a display unit to display the DICOM image with the information on the image quality.

8. The object information acquiring apparatus according to claim 1, wherein said processing unit is configured to generate the DICOM image representing the characteristic information in a reconstruction region,

said data generating unit generates the recording data by storing the information of the irradiation light at a boundary surface of the reconstruction region in the tag and attaching the tag to the DICOM image representing the characteristic information in the reconstruction region, and

said processing unit reads the recording data from the data recording unit and causes a display unit to display the DICOM image with the information of the irradiation light at the boundary surface of the reconstruction region.

9. The object information acquiring apparatus according to claim 3, wherein said processing unit causes a display unit to display the DICOM image with a line to represent an optical axis corresponding to the angle of the irradiation light based on the recording data.

10. The object information acquiring apparatus according to claim 1, wherein the information of the irradiation light includes an intensity of the irradiation light in the object, and wherein said processing unit causes a display unit to display the DICOM image with color-coding depending on the intensity of the irradiation light based on the recording data.

11. The object information acquiring apparatus according to claim 1, wherein said processing unit causes a display unit to display the DICOM image representing characteristic information on the object with the information of the irradiation light based on the recording data.

12. The object information acquiring method according to claim 9, further comprising:

a step of displaying the DICOM image representing characteristic information on the object with the information of the irradiation light based on the recording data.

13. The object information acquiring apparatus according to claim 1, wherein said data generating unit transmits the recording data to an external data recording unit as the data recording unit via a network.

14. The object information acquiring apparatus according to claim 1, further comprising:

a light source; and

an acoustic wave detector comprising at least one detection element, configured to detect the acoustic wave generated by irradiating the object with irradiation light from said light source and output a signal,

wherein said processing unit generates the DICOM image representing the characteristic information by using the signal output from said acoustic wave detector.

15. The object information acquiring method according to claim 9, further comprising:

a step of segmenting the object into a plurality of unit regions, wherein the DICOM image representing the characteristic information for each unit region is generated, and

the recording data is generated by storing the information of the irradiation light in the tag and attaching the tag to the DICOM image representing the characteristic information for each unit region.

16. The object information acquiring method according to claim 15, further comprising:

a step of determining information on an image quality in each of the unit regions based on the information of the irradiation light included in the recording data, and

a step of displaying the DICOM image with the information on the image quality.

17. The object information acquiring method according to claim 9, further comprising:

a step of displaying the information of the irradiation light,

wherein the DICOM image representing the characteristic information in a reconstruction region is generated,

the recording data is generated by storing the information of the irradiation light at a boundary surface of the reconstruction region in the tag and attaching the tag to the DICOM image representing the characteristic information in the reconstruction region, and

the information of the irradiation light at the boundary surface of the reconstruction region is displayed based on the recording data.

18. The object information acquiring method according to claim 9, further comprising:

a step of displaying the DICOM image with a line to represent an optical axis corresponding to an angle of the irradiation light based on the recording data, the information of the irradiation light including information of the angle of the irradiation light with respect to the object.

19. The object information acquiring method according to claim 9, further comprising:

a step of displaying the DICOM image with color-coding depending on an intensity of the irradiation light in the object based on the recording data, the information of the irradiation light including the intensity of the irradiation light in the object.

20. The object information acquiring method according to claim 9, wherein the recording data is transmitted to an external data recording unit as the data recording unit via a network.

21. The object information acquiring method according to claim 9, wherein the information of the irradiation light includes information of an angle of the irradiation light with respect to the object.

22. The object information acquiring method according to claim 9, wherein the information of the irradiation light includes information of wavelength of the irradiation light.

23. The object information acquiring method according to claim 9, wherein the information of the irradiation light includes information of a number of times photo-irradiation is executed.

7. An object information acquiring method comprising:

a step of generating a DICOM image representing characteristic information on an object based on an acoustic wave generated from the object which has received irradiation light;

a step of generating, in a DICOM data format, a recording data by storing information of the irradiation light in a tag and attaching the tag to the DICOM image representing the characteristic information; and

a step of transmitting the recording data to a data recording unit configured to record the recording data,

said steps being performed by at least a CPU and memory acting in cooperation to perform said steps.