Image processing and encoding techniques
AssigneeDynamic Digital Depth Research Pty Ltd
InventorSimon Richard Fox
Life of this patent
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Abstract
A method of compressing a stereoscopic image, using entropy coding, wherein a model derived from a first eye image is used to encode an image for a second eye, and wherein the model is determined from a first eye difference image of a first frame and a second frame of the first eye image; and a second eye difference image of a first frame and a second frame of the second eye image, will be encoded using the model.
Claims37
A method of compressing a stereoscopic image, using adaptive optimized entropy coding, wherein a statistical coding model derived from a first eye image is used to encode an image for a second eye.
A method of compressing a stereoscopic image including the steps of:
- comparing a first frame of a first eye image with a second frame of said first eye image to determine a first difference image;
- determining the relative composition of said first difference image to create a first eye model;
- comparing a first frame of a second eye image with a second frame of said second eye image to determine a second difference image;
- using said first eye model to encode said second difference image.
A hardware encoder to encode stereoscopic images including:
- an analysis means to determine a value of pixels in frames of a first eye and a second eye image;
- a delay means to enable a first frame of said first eye image and said second eye image to be compared with a respective second frame of said first eye image and said second eye image;
- a difference means to determine a first eye difference image and a second eye difference image between respective said first and second frames;
- and
- an encoder to encode said second eye difference image using a model derived from said first eye difference image.
A method of compressing a stereoscopic image comprising:
- deriving a statistical coding model from a first eye image;
- and
- performing adaptive optimized entropy encoding on a second eye image using said statistical coding model.
An apparatus for encoding stereoscopic images including:
- an analysis module configured to determine values of pixels in frames of a first eye and a second eye image;
- a frame delay configured to enable a first frame of said first eye image and said second eye image to be compared with a respective second frame of said first eye image and said second eye image;
- a subtractor configured to determine a first eye difference image and a second eye difference image between respective said first and second frames;
- and
- an encoder configured to encode said second eye difference image using a model derived from said first eye difference image.
Dependencies are inferred from the claim text.