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US 8,509,305 B2Granted
Motion estimation for video processing using 2-D (spatial) convolution
AssigneeIntel Corporation
InventorsRaju Hormis, Dmitrii Loukianov
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Abstract
A device including a two-dimensional convolution unit to perform spatial image filtering. A reference frame mirroring unit is connected to the two-dimensional convolution unit. A mean square error (MSE) decision unit is connected to the two-dimensional convolution unit to perform motion estimation by selecting the displacement that minimizes MSE.
Claims18
An apparatus comprising:
- a two-dimensional convolution unit to perform spatial image filtering on an inverted reference frame pixel set;
- and
- a mean square error (MSE) decision unit coupled to the two-dimensional convolution unit to perform motion estimation by selecting the displacement that minimizes MSE.
A system comprising:
- a processing unit;
- a memory coupled to the processing unit;
- a video processing unit coupled to the memory, the video processing unit having a two-dimensional convolution unit to filter an image including an inverse target pixel set.
A method comprising:
- inverting an address sign of each of the plurality of target frame pixel sets to mirror an image;
- inputting an inverted target frame pixel set as filter coefficients to a two-dimensional convolution unit;
- performing two-dimensional convolution with the filter coefficients;
- determining a plurality of mean square errors;
- and
- determining a pixel set that minimizes mean square errors for estimating motion.
3 more elements
A non-transitory computer-readable medium encoded with a computer program containing instructions that, when executed, cause a machine to:
- receive an inverse target frame pixel set are at a convolution unit;
- perform two-dimensional convolution in the convolution unit;
- and
- determine a pixel set that minimizes a plurality of mean square errors to estimate motion in the processor.
1 more element
Dependencies are inferred from the claim text.