17649095. APPARATUS AND METHOD FOR COMBINED INTRABAND AND INTERBAND MULTI-FRAME DEMOSAICING simplified abstract (Samsung Electronics Co., Ltd.)

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APPARATUS AND METHOD FOR COMBINED INTRABAND AND INTERBAND MULTI-FRAME DEMOSAICING

Organization Name

Samsung Electronics Co., Ltd.

Inventor(s)

John W. Glotzbach of Allen TX (US)

Long N. Le of Richardson TX (US)

Zhen Tong of Tallahassee FL (US)

Hamid R. Sheikh of Allen TX (US)

Yibo Xu of Plano TX (US)

APPARATUS AND METHOD FOR COMBINED INTRABAND AND INTERBAND MULTI-FRAME DEMOSAICING - A simplified explanation of the abstract

This abstract first appeared for US patent application 17649095 titled 'APPARATUS AND METHOD FOR COMBINED INTRABAND AND INTERBAND MULTI-FRAME DEMOSAICING

Simplified Explanation

The patent application describes a method for improving image quality by reconstructing and enhancing image data from multiple input image frames. Here is a simplified explanation of the abstract:

  • The method starts by obtaining multiple input image frames.
  • It determines how to warp at least one of the input image frames.
  • An intraband demosaic-warp operation is performed to reconstruct image data in different color channels of the input image frames and warp the at least one input image frame to produce RGB input image frames.
  • The RGB input image frames are blended together to produce a blended RGB image frame.
  • An interband denoising operation is performed to reduce noise in the blended RGB image frame, resulting in a denoised RGB image frame.
  • An interband sharpening operation is then performed to enhance the sharpness of the denoised RGB image frame, producing a sharpened RGB image frame.
  • An interband demosaic operation is performed to equalize the high-frequency content in different color channels of the sharpened RGB image frame, resulting in an equalized sharpened RGB image frame.
  • Finally, a final image of the scene is generated based on the equalized sharpened RGB image frame.

Potential applications of this technology:

  • Image processing and enhancement in digital cameras and smartphones.
  • Video processing and enhancement in video recording devices.
  • Medical imaging for improving the quality of diagnostic images.
  • Surveillance systems for enhancing the clarity of captured images.

Problems solved by this technology:

  • Image noise reduction and enhancement of sharpness.
  • Equalization of high-frequency content in different color channels.
  • Reconstruction of image data from multiple input frames.

Benefits of this technology:

  • Improved image quality with reduced noise and enhanced sharpness.
  • More accurate and detailed representation of the scene.
  • Enhanced visual experience for users.
  • Better image analysis and interpretation in various fields such as medicine and surveillance.


Original Abstract Submitted

A method includes obtaining multiple input image frames and determining how to warp at least one of the input image frames. The method also includes performing an intraband demosaic-warp operation to reconstruct image data in different color channels of the input image frames and warp the at least one input image frame to produce RGB input image frames. The method further includes blending the RGB input image frames to produce a blended RGB image frame, performing an interband denoising operation to produce a denoised RGB image frame, and performing an interband sharpening operation to produce a sharpened RGB image frame. In addition, the method includes performing an interband demosaic operation to substantially equalize high-frequency content in different color channels of the sharpened RGB image frame to produce an equalized sharpened RGB image frame and generating a final image of the scene based on the equalized sharpened RGB image frame.

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