Image processing device, imaging device, image processing method, and recording medium storing image processing program

Patent metadata

Field	Value
Publication number	US-9544490-B2
Application number	US-201514611407-A
Country	US
Kind code	B2
Filing date	Feb 2, 2015
Priority date	Feb 13, 2014
Publication date	Jan 10, 2017
Grant date	Jan 10, 2017

Abstract

An image processing device, an image processing method, and a recording medium storing an image processing program are provided. The image processing device includes an image processing unit configured to perform image processing on image data, a temperature obtaining unit configured to obtain an inner-device temperature and outer-device temperature of the image processing device, and a frame rate changing unit configured to change a frame rate of the image data processed by the image processing unit, based on a temperature difference between the inner-device temperature and the outer-device temperature. Each of the image processing method and the image processing program performs image processing on image data, obtains an inner-device temperature and outer-device temperature of the image processing device, and changes a frame rate of the image data, based on a temperature difference between the inner-device temperature and the outer-device temperature.

First claim

What is claimed is:

1. An image processing device comprising:
circuitry configured to
perform image processing on image data at an initial predetermined frame rate, the initial predetermined frame rate being lower than a high frame rate and higher than a low frame rate,
obtain an inner-device temperature and outer-device temperature of the image processing device,
change a frame rate of the image data processed by the circuitry, based on at least one of-the inner-device temperature, the outer-device temperature, and a temperature difference between the inner-device temperature and the outer-device temperature, and
increase the initial predetermined frame rate when the outer-device temperature is lower than a prescribed outer-device temperature.

2. The image processing device according to claim 1 , wherein the circuitry decreases the initial predetermined frame rate when the inner-device temperature exceeds the outer-device temperature.

3. The image processing device according to claim 1 , wherein the circuitry increases the initial predetermined frame rate when the inner-device temperature is lower than the outer-device temperature.

4. The image processing device according to claim 1 , wherein the circuitry decreases the initial predetermined frame rate when the outer-device temperature exceeds a prescribed outer-device temperature.

5. The image processing device according to claim 1 , wherein the circuitry decreases the initial predetermined frame rate when the inner-device temperature exceeds a prescribed inner-device temperature.

6. The image processing device according to claim 1 , wherein the circuitry increases the initial predetermined frame rate when the inner-device temperature is lower than a prescribed inner-device temperature.

7. The image processing device according to claim 1 , wherein the circuitry changes the initial predetermined frame rate when the temperature difference exceeds a prescribed temperature difference.

8. The image processing device of claim 1 , wherein the circuitry is further configured to:
activate a normal operation mode,
switch to a high-temperature operation mode of the image processing device when the inner-device temperature exceeds an inner-device threshold temperature, and
switch to a low-temperature operation mode of the image processing device when the temperature difference is greater than a temperature threshold difference.

9. The image processing device of claim 8 , wherein the frame rate associated with the normal operation mode is the initial predetermined frame rate, and wherein the initial predetermined rate is greater than the frame rate of the high-temperature operation mode and lower than the low-temperature operation mode.

10. An imaging device comprising:
an imaging circuit configured to obtain image data; and
the image processing device according to claim 1 .

11. A method of processing an image, the method comprising:
performing, with circuitry, image processing. on image data at an initial predetermined frame rate, the initial predetermined frame rate being lower than a high frame rate and higher than a low frame rate;
obtaining, with the circuitry, an inner-device temperature of the image processing device;
obtaining, with the circuitry, an outer-device temperature of the image processing device; and
changing, with the circuitry, a frame rate of the image data, based on at least one of the inner-device temperature, the outer-device temperature, and a temperature difference between the inner-device temperature and the outer-device temperature, wherein
the changing includes increasing the initial predetermined frame rate when the outer-device temperature is lower than a prescribed outer-device temperature.

12. The method according to claim 11 , wherein the changing includes decreasing the initial predetermined frame rate when the inner-device temperature exceeds the outer-device temperature.

13. The method according to claim 11 , wherein the changing includes increasing the initial predetermined frame rate when the inner-device temperature is lower than the outer-device temperature.

14. The method according to claim 11 , wherein the changing includes decreasing the initial predetermined frame rate when the outer-device temperature exceeds a prescribed outer-device temperature.

15. The method according to claim 11 , wherein the changing includes decreasing the initial predetermined frame rate when the inner-device temperature exceeds a prescribed inner-device temperature.

16. The method according to claim 11 , wherein the changing includes increasing the initial predetermined frame rate when the inner-device temperature is lower than a prescribed inner-device temperature.

17. The method according to claim 11 , wherein the changing includes changing the initial predetermined frame rate when the temperature difference exceeds a prescribed temperature difference.

18. A computer-readable non-transitory recording medium storing a program for causing a computer to execute an image processing method, the method comprising:
performing image processing on image data at an initial predetermined frame rate, the initial predetermined frame rate being lower than a high frame rate and higher than a low frame rate;
obtaining an inner-device temperature and outer-device temperature of the image processing device; and
changing a frame rate of the image data, based on at least one of the inner-device temperature, the outer-device temperature, and a temperature difference between the inner-device temperature and the outer-device temperature, wherein
the changing includes increasing the initial predetermined frame rate when the outer-device temperature is lower than a prescribed outer-device temperature.

Assignees

• Tomiyasu Takashi
• Ricoh Co Ltd

Inventors

• Tomiyasu Takashi

Classifications

• H04N23/667 Primary

  Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes · CPC title

• H04N5/232 Primary

  Electricity · mapped topic