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1. (WO2018100332) A DECODER, ENCODER, COMPUTER PROGRAM AND METHOD

Pub. No.:    WO/2018/100332    International Application No.:    PCT/GB2017/053392
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Sat Nov 11 00:59:59 CET 2017
IPC: H04N 21/488
Applicants: SONY EUROPE LIMITED
SONY CORPORATION
Inventors: SZUCS, Paul
Title: A DECODER, ENCODER, COMPUTER PROGRAM AND METHOD
Abstract:
A subtitle encoding device comprising: controller circuitry configured to: receive a Portable Network Graphics (PNG) file, wherein, the PNG file comprises image data and a palette table including a colour look-up table; convert the colour look up table into a colour look-up table definition segment; store the image data as a pixel data block; and encode the colour look-up table definition segment and the pixel data block as a subtitle in an image.