Video- und Bildcodierung mit Weitwinkel-Intraprädiktion

Details

Veröffentlichungs-Nr.

EP4718840

Anmeldetag

29. Dezember 2017

Veröffentlichung

1. April 2026

Rechtsraum

EP

IPC

H04N19/105

Abstract

The invention relates to a method for decoding, comprising receiving a bitstream comprising encoded image data, forming from the bitstream in a computer memory a set of reference pixels having reference pixel values for intra-picture directional prediction, predicting a pixel value in a predicted image block by intra-picture directional prediction by using values of one or more selected reference pixels in forming a predicted a pixel value, wherein the selected reference pixels are selected from a prediction direction with respect to the predicted pixel, and the prediction direction being a wide-angle prediction direction that forms an obtuse angle with top-left direction of the predicted pixel, repeating the pixel prediction for a number of pixels to form a predicted image block, and using the predicted image block in decoding an image block from the bitstream to obtain a decoded image block. A corresponding method for decoding as well as a decoder, an encoder, computer program products for the same purpose, and a signal are provided.

Anmelder

Firma

Nokia Technologies Oy

Land

🇫🇮 Finnland