Control apparatus, control system, and control method for transmission of a biological image

Patent metadata

Field	Value
Publication number	US-11245884-B2
Application number	US-201716474246-A
Country	US
Kind code	B2
Filing date	Nov 15, 2017
Priority date	Jan 6, 2017
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

Provided is a control apparatus including a ratio calculation unit that calculates a first ratio of a bit assignment relating to transmission of a biological image on the basis of image capture conditions and a bit assignment determination unit that determines the bit assignment on the basis of the first ratio. In addition, provided is a control system including an image capture apparatus that captures an image of an object, the control apparatus including the ratio calculation unit that calculates the first ratio on the basis of the image capture conditions relating to the object, the bit assignment determination unit that determines the bit assignment, an image processing unit that performs image processing based on the captured image and the bit assignment and generates the biological image, and an output apparatus that outputs the biological image based on the bit assignment.

First claim

The invention claimed is:

1. A control apparatus, comprising:
a central processing unit (CPU) configured to:
calculate a first ratio of a bit assignment associated with transmission of a biological image, wherein
the first ratio is calculated based on at least one image capture condition of a plurality of image capture conditions,
the at least one image capture condition includes an image capture mode of the biological image,
the image capture mode is one of a narrow band imaging mode a white light imaging mode, or an auto fluorescence imaging mode,
the first ratio is of the bit assignment to a plurality of signal components of color information of irradiation light, and
the biological image is captured based on the irradiation light;

calculate a second ratio, associated with the bit assignment, based on a plurality of output characteristics of an output apparatus, wherein
the output apparatus:
receives the transmitted biological image, and
outputs the received biological image;

change the bit assignment based on the first ratio and the second ratio;
increase a value of the bit assignment for a specific signal component of the plurality of signal components of the irradiation light based on the change in the bit assignment; and
control the transmission of the biological image based on the increase in the value of the bit assignment for the specific signal component of the irradiation light.

2. The control apparatus according to claim 1 , wherein
the plurality of image capture conditions includes an image capture target, and
the CPU is further configured to estimate the image capture mode based on the image capture target.

3. The control apparatus according to claim 1 , wherein
the plurality of output characteristics includes a color gamut, and
the CPU is further configured to calculate the second ratio based on the color gamut.

4. The control apparatus according to claim 3 , wherein the CPU is further configured to calculate the second ratio based on a color gamut of a transmission standard associated with the transmission of the biological image.

5. The control apparatus according to claim 1 , wherein the CPU is further configured to determine the bit assignment based on a product of the first ratio and the second ratio.

6. The control apparatus according to claim 1 , wherein the CPU is further configured to control execution of an image process, associated with the biological image, based on the bit assignment.

7. The control apparatus according to claim 6 , wherein
the CPU is further configured to control the execution of the image process, associated with the biological image, based on a gamma value of the output apparatus.

8. The control apparatus according to claim 1 , wherein the CPU is further configured to transmit information of the biological image and the bit assignment.

9. The control apparatus according to claim 8 , wherein the CPU is further configured to receive information of the plurality of image capture conditions from at least one of a light source apparatus or an image capture apparatus.

10. The control apparatus according to claim 8 , wherein the CPU is further configured to receive information of the plurality of output characteristics of the output apparatus from the output apparatus.

11. A control system, comprising:
an image capture apparatus configured to capture a biological image of an object based on irradiation light;
an output apparatus; and
a central processing unit (CPU) configured to:
calculate a first ratio of a bit assignment associated with transmission of the biological image, wherein
the first ratio is calculated based on at least one image capture condition of a plurality of image capture conditions associated with the object,
the at least one image capture condition includes an image capture mode of the capture of the biological image,
the image capture mode is one of a narrow band imaging mode a white light imaging mode, or an auto fluorescence imaging mode, and
the first ratio is of the bit assignment to a plurality of signal components of color information of the irradiation light;

calculate a second ratio, associated with the bit assignment, based on a plurality of output characteristics of the output apparatus;
change the bit assignment based on the first ratio and the second ratio;
increase a value of the bit assignment for a specific signal component of the plurality of signal components of the irradiation light based on the change in the bit assignment;
control execution of an image process based on the biological image and the bit assignment; and
control the transmission of the biological image based on the execution of the image process and the increase in the value of the bit assignment for the specific signal component of the irradiation light, wherein
the output apparatus is configured to:
receive the transmitted biological image; and
output the received biological image based on the bit assignment.

12. The control system according to claim 11 , further comprising a light source apparatus configured to control irradiation of the object with the irradiation light in an image capture of the object.

13. The control system according to claim 12 , wherein the CPU is further configured to receive information of the image capture mode from at least one of the image capture apparatus or the light source apparatus.

14. The control system according to claim 13 , wherein the CPU is further configured to
receive information of the plurality of output characteristics of the output apparatus from the output apparatus.

15. A control method, comprising:
calculating a first ratio of a bit assignment associated with transmission of a biological image, wherein
the first ratio is calculated based on at least one image capture condition of a plurality of image capture conditions,
the at least one image capture condition includes an image capture mode of the biological image,
the image capture mode is one of a narrow band imaging mode, a white light imaging mode, or an auto fluorescence imaging mode,
the first ratio is of the bit assignment to a plurality of signal components of color information of irradiation light, and
the biological image is captured based on the irradiation light;

calculating a second ratio, associated with the bit assignment, based on a plurality of output characteristics of an output apparatus, wherein
the output apparatus:
receives the transmitted biological image, and
outputs the received biological image;

changing the bit assignment based on the first ratio and the second ratio;
increasing a value of the bit assignment for a specific signal component of the plurality of signal components of the irradiation light based on the change in the bit assignment; and
controlling the transmission of the biological image based on the increase in the value of the bit assignment for the specific signal component of the irradiation light.

16. A control apparatus, comprising:
a central processing unit (CPU) configured to:
calculate a first ratio of a bit assignment associated with transmission of a biological image, wherein
the first ratio is calculated based on at least one image capture condition of a plurality of image capture conditions,
the at least one image capture condition includes an image capture mode of the biological image,
the first ratio is of the bit assignment to a plurality of signal components of color information of irradiation light, and
the biological image is captured based on the irradiation light;

calculate a second ratio, associate

Assignees

• Sony Corp

Inventors

• Yamaguchi Kenta
• Kikuchi Daisuke
• Shiraki Hisakazu
• Yamane Masahito
• Ikeda Kenji

Classifications

• H04N23/555

  for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes · CPC title

• H04N23/74

  by influencing the scene brightness using illuminating means · CPC title

• H04N23/56

  provided with illuminating means · CPC title

• H04N23/71

  Circuitry for evaluating the brightness variation · CPC title

• H04N23/66

  Remote control of cameras or camera parts, e.g. by remote control devices · CPC title