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World Intellectual Property Organization

Video Image Coding Device and Method Patent Published by WIPO

Strategic Insights

— 1 min read

A recent patent publication by the World Intellectual Property Organization (WIPO) describes a novel video image coding device and method. The invention, disclosed by Panasonic Corporation and inventor Hideyuki Ohgose, focuses on coding interlace scheme images using either a frame or field coding scheme. The device and method, as described in the patent, enable the efficient coding of video images, which is crucial for various applications, including digital television and video streaming.

Key Takeaways:

  • The patented invention is a video image coding device that consists of a coding structure setting unit, a picture type setting unit, and a coding unit.
  • The coding structure setting unit sets either a frame coding scheme or a field coding scheme for interlace scheme images based on their input order.
  • The picture type setting unit sets the picture type of the images to one of I, P, or B picture types.
  • The coding unit generates a coding stream based on the scheme set by the coding structure setting unit and the picture type set by the picture type setting unit.
  • The patent emphasizes the importance of setting a common scheme for a set of images that start with an I or P picture type and end with the image immediately prior to the next I picture type or P picture type in coding order.
  • The invention's primary purpose is to improve video image coding efficiency, which is essential for various applications, including digital television and video streaming.

Statistics:

  • Application No. PCT/JP2011/001344 was filed on March 8, 2011.
  • The patent was published on September 15, 2011, as Publication No. WO/2011/111372.
  • The invention discloses a video image coding device and method that can efficiently code interlace scheme images using either a frame or field coding scheme.

Sources:

  • WIPO, "Publication/WO/2011/111372: VIDEO IMAGE CODING DEVICE AND VIDEO IMAGE CODING METHOD", September 15, 2011.
  • WIPO, "PCT/JP2011/001344: Application No. PCT/JP2011/001344", filed on March 8, 2011.

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