Adaptives Kompensationsverfahren Während der Videobildcodierung und Zugehörige Vorrichtung

Details

Veröffentlichungs-Nr.

EP4794330

Anmeldetag

17. Juni 2026

Veröffentlichung

19. August 2026

Rechtsraum

EP

Abstract

The present disclosure provides an adaptive compensation method during video image encoding and a related apparatus, relating to the technical fields of cloud computing and video transcoding. The solution includes: acquiring an original pixel value array of an original pixel block to be encoded; acquiring a reconstructed pixel value array of a reconstructed pixel block obtained by reconstructing the original pixel block; determining an encoding category to which each pixel in the reconstructed pixel block belongs, and determining a respective target pixel value of each pixel simultaneously satisfying at least two optimization objectives; for each pixel under each encoding category, determining a first offset value according to an original pixel value of the pixel in the original pixel value array and a reconstructed pixel value of the pixel in the reconstructed pixel value array; determining a second offset value according to the target pixel value of the pixel and the reconstructed pixel value; determining an offset value interval of the pixel according to magnitudes of the first offset value and the second offset value; performing frequency statistics on integer offset values respectively included in the offset value intervals of all pixels under each encoding category, and determining an expected offset value of the corresponding encoding category based on a statistical result obtained; and compensating a corresponding reconstructed pixel value for each pixel according to the expected offset value corresponding to the encoding category to which the pixel belongs.

Anmelder

Firma

Beijing Baidu Netcom Science Technology Co., Ltd.

Land

🇨🇳 China