Optical system with dynamic distortion using freeform elements
US-11867898-B2 · Jan 9, 2024 · US
Image processing device, image processing method and storage medium to suppress shading of images in which pixel addition processing is performed
US8970745B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8970745-B2 |
| Application number | US-201213591519-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 22, 2012 |
| Priority date | Aug 26, 2011 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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An imaging device 100 is equipped with an image acquisition unit 51 , a first calculation unit 52 and a correction information calculation unit 53 . The image acquisition unit 51 acquires image data including a luminance component and color components, via an optical system. The first calculation unit 52 detects shading of the luminance component included in the image data, and detects shading of the color difference components. The correction information calculation unit 53 calculates luminance shading correction coefficients and color difference shading correction coefficients. The correction information calculation unit 53 then converts the calculated color difference shading correction coefficients so as to have predetermined ratios with respect to the calculated luminance shading correction coefficients. A correction processing unit 62 corrects plural sets of image data on the basis of the converted color difference shading correction coefficients, and then performs pixel addition of the images.
First claim
Opening claim text (preview).
What is claimed is: 1. An image processing device comprising: an image data acquisition unit that acquires, via an optical system, image data including a luminance component and a color difference component; a focusing distance acquisition unit that acquires a focusing distance of the optical system; a shading detection unit that detects shading of the luminance component included in the image data and detects shading of the color difference component included in the image dat…
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Electricity · mapped topic
- H04N25/61Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H04N5/3572Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8970745B2 cover?
- An imaging device 100 is equipped with an image acquisition unit 51 , a first calculation unit 52 and a correction information calculation unit 53 . The image acquisition unit 51 acquires image data including a luminance component and color components, via an optical system. The first calculation unit 52 detects shading of the luminance component included in the image data, and detect…
- Who is the assignee on this patent?
- Murayama Yoichi, Casio Computer Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04N25/61. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).