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Image processing method and image processing apparatus
US9117136B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9117136-B2 |
| Application number | US-201213591449-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 22, 2012 |
| Priority date | Sep 21, 2011 |
| Publication date | Aug 25, 2015 |
| Grant date | Aug 25, 2015 |
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Abstract
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An image processing method and an image processing apparatus for removing noise from an image are disclosed. A provided image processing method includes: dividing an input image into a luminance signal and a chrominance signal; removing noise from the luminance signal; restoring luminance signal present in the noise removed from the luminance signal; removing noise from the chrominance signal; and combining the luminance signal and the chrominance signal from which the noises are removed. Accordingly, an image of which an edge component is well preserved and a degree of color noise is low is generated not only in a general environment but also in a low light level and high sensitivity environment having a large amount of noise.
First claim
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What is claimed is: 1. An image processing method comprising: dividing an input image that contains noise into a luminance signal and a chrominance signal; removing noise from the luminance signal; restoring luminance signal present in the noise from the luminance signal; removing noise from the chrominance signal; and combining the luminance signal and the chrominance signal from which the noises are removed; wherein the removing of the noise from the luminance signal c…
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Physics · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Physics · mapped topic
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- What does patent US9117136B2 cover?
- An image processing method and an image processing apparatus for removing noise from an image are disclosed. A provided image processing method includes: dividing an input image into a luminance signal and a chrominance signal; removing noise from the luminance signal; restoring luminance signal present in the noise removed from the luminance signal; removing noise from the chrominance signal; …
- Who is the assignee on this patent?
- Jang Soon-Geun, Park Rae-Hong, Pyo Young-Il, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification G06T5/70. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 25 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).