Method and Apparatus for a Noise Filter for Reducing Noise in a Image or Video
AssigneeTexas Instruments Incorporated
InventorWei Hong
Life of this patent
Estimating the term…
Abstract
A noise filter method and apparatus for producing at least one of a video or an image with reduced noise. The noise filter method includes performing noise estimation on a frame of at least one of an image or video and applying a low pass filter on the noise level according to the noise estimation, performing spatial filtration on the frame, performing motion detection on a spatially filtered frame, determining motion-to-blending factor conversion and, accordingly, performing frame blending, and outputting a frame with reduced noise.
Claims9
A noise filter method for producing at least one of a video or an image with reduced noise, comprising:
- performing noise estimation on a frame of at least one of an image or video and applying a low pass filter on the noise level;
- performing spatial filtration on the frame according to the noise estimation;
- performing motion detection on a spatially filtered frame;
- determining motion-to-blending factor conversion according to the noise estimation and, accordingly, performing frame blending;
- and
- outputting a frame with reduced noise.
A computer readable medium comprising computer instructions, which when executed perform a noise filter method for producing at least one of a video or an image with reduced noise, the method comprising:
- performing noise estimation on a frame of at least one of an image or video and applying a low pass filter on the noise level;
- performing spatial filtration on the frame according to the noise estimation;
- performing motion detection on a spatially filtered frame;
- determining motion-to-blending factor conversion according to the noise estimation and, accordingly, performing frame blending;
- and
- outputting a frame with reduced noise.
An apparatus, comprising:
- means for performing noise estimation on a frame of at least one of an image or video and applying a low pass filter on the noise level;
- means for performing spatial filtration on the frame according to the noise estimation;
- means for performing motion detection on a spatially filtered frame;
- and
- means for determining motion-to-blending factor conversion according to the noise estimation and, accordingly, performing frame blending.
Dependencies are inferred from the claim text.