Image processing device, image processing program, image processing method, and electronic camera for controlling degree of noise reduction in image data
AssigneeNikon Corporation
InventorHideyasu Kuniba
Life of this patent
Estimating the term…
Abstract
An image processing device changes degree of noise reduction for image data in accordance with tone correction to be performed according to the image data and includes a change rate acquisition part and a noise reduction part. The change rate acquisition part obtains, at a plurality of portions in the image data, a change rate of a signal level of the image data before and after tone correction. The noise reduction part controls a degree of noise reduction for each portion in the image data according to the change rate.
Claims10
An image processing device that changes a degree of noise reduction for image data in accordance with tone correction suitable for the image data, comprising:
- a change rate acquisition part that obtains, at a plurality of portions in the image data, a change rate of a signal level of the image data before and after the tone correction;
- and
- a noise reduction part that controls the degree of the noise reduction for each of the portions in the image data in accordance with the change rate.
An image processing method that changes a degree of noise reduction for the image data in accordance with tone correction suitable for image data, comprising the steps of:
- obtaining, in the image data, a change rate of a signal level of the image data before and after the tone correction;
- and
- controlling a degree of the noise reduction at each portion in the image data in accordance with the change rate.
Dependencies are inferred from the claim text.