System and method for generating a photograph
First Claim
Patent Images
1. A camera assembly, comprising:
- a sensor assembly that includes an image capture component and an image alignment component, the image alignment component located at a periphery of the image capture component, the image alignment component having a higher density of photo sensors per unit area and higher effective resolution than the image capture component; and
a controller that controls the generation of an output photograph, the controller configured to;
control the sensor assembly to capture at least two images, wherein there is a time delay between the capture of each image and each image comprises;
image data captured by the image capture component; and
alignment data captured by the image alignment component;
identify at least one alignment feature in the image data or the alignment data corresponding to a first of the images;
identify the at least one alignment feature in the alignment data corresponding to a second one of the images and determine an offset between the first and second images from corresponding locations of the alignment feature in the first and second images;
align the first and second images to remove offset corresponding to an integer multiple of a predetermined pixel pitch and leave an offset amount corresponding to a residual fraction of the pixel pitch; and
combine the image data for the first image with the image data for the second image.
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Abstract
A camera assembly for generating high resolution photograph includes a sensor assembly that has two regions of different effective resolution. Image data from multiple images that are captured with the sensor assembly are combined to generate output image data in the form of a high resolution picture. A first region of the sensor is used to capture image data for the images that are combined. A second region, that is of higher effective resolution than the first region, is used to capture image data for use in aligning the image data from the plural images prior to combination.
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Citations
17 Claims
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1. A camera assembly, comprising:
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a sensor assembly that includes an image capture component and an image alignment component, the image alignment component located at a periphery of the image capture component, the image alignment component having a higher density of photo sensors per unit area and higher effective resolution than the image capture component; and a controller that controls the generation of an output photograph, the controller configured to; control the sensor assembly to capture at least two images, wherein there is a time delay between the capture of each image and each image comprises; image data captured by the image capture component; and alignment data captured by the image alignment component; identify at least one alignment feature in the image data or the alignment data corresponding to a first of the images; identify the at least one alignment feature in the alignment data corresponding to a second one of the images and determine an offset between the first and second images from corresponding locations of the alignment feature in the first and second images; align the first and second images to remove offset corresponding to an integer multiple of a predetermined pixel pitch and leave an offset amount corresponding to a residual fraction of the pixel pitch; and combine the image data for the first image with the image data for the second image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of generating a photograph, comprising:
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controlling a sensor assembly to capture at least two images, wherein there is a time delay between the capture of each image, the sensor assembly having an image capture component and an image alignment component, the image alignment component located at a periphery of the image capture component, and the image alignment component having a higher density of photo sensors per unit area and higher effective resolution than the image capture component, wherein each image comprises; image data captured by the image capture component; and alignment data captured by the image alignment component; identifying at least one alignment feature in the image data or the alignment data corresponding to a first of the images; identifying the at least one alignment feature in the alignment data corresponding to a second one of the images and determining an offset between the first and second images from corresponding locations of the alignment feature in the first and second images; aligning the first and second images to remove offset corresponding to an integer multiple of a predetermined pixel pitch and leave an offset amount corresponding to a residual fraction of the pixel pitch; and combining the image data for the first image with the image data for the second image. - View Dependent Claims (16, 17)
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Specification