System and method to selectively combine images
AssigneeQUALCOMM Incorporated
InventorsKalin M. Atanassov, Hsiang-Tsun Li, Hau Hwang
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Abstract
Systems and methods to selectively combine images are disclosed. In a particular embodiment, an apparatus includes a registration circuit configured to generate a set of motion vector data based on first image data corresponding to a first image and second image data corresponding to a second image. The apparatus includes a combination circuit to selectively combine the first image data and adjusted second image data that corresponds to the second image data adjusted according to the motion vector data. The apparatus further includes a control circuit to control the combination circuit to generate third image data.
Claims20
A system to selectively combine multiple images, comprising:
- an application specific control circuit;
- a hierarchical registration circuit;
- and
- a hierarchical combination circuit, comprising:
- a course combining circuit, and
- a fine combining circuit, comprising:
- a first filter and a second filter, the first filter and second filter being responsive to an input provided by the application specific control circuit, the input configured to indicate a filter response characteristic;
- a mean pixel MS difference circuit, configured to perform a pixel by pixel difference operation,
- an image combining circuit coupled to the mean pixel MS difference circuit,
- wherein the first filter is configured to filter first image data and provide first filtered image data to the mean pixel MS difference circuit,
- wherein the second filter is configured to filter second image data and provide second filtered image data to the mean pixel MS difference circuit.
A method of selectively combining multiple images, comprising:
- receiving, into a fine combination circuit, first and second image data;
- filtering, with the fine combination circuit, the first and
- second image data based on a filter response characteristic,
- generating a mean pixel difference based on a signed mean square difference of the first and second filtered image data;
- and
- determining, with the fine combination circuit, an output image pixel value based on the difference.
A system for selectively combining multiple images, comprising:
- means for receiving first and second image data into a fine combination circuit;
- means for filtering the first and second image data with the fine combination circuit based on a filter response characteristic,
- means for generating a mean pixel difference based on a signed mean square difference of the first and second filtered image data;
- and
- means for determining an output image pixel value based on the difference with the fine combination circuit.
Dependencies are inferred from the claim text.