Isize Limited

Srdjan Grce

Ioannis Andreopoulos

Ilya Fadeev

Djordje Djokovic

Certain aspects of the present disclosure provide techniques for encoding image data for one or more images. In one embodiment, a method includes the steps of downscaling the one or more images, and encoding the one or more downscaled images using an image codec. Another embodiment concerns a computer-implemented method of decoding encoded image data, and a computer-implemented method of encoding and decoding image data.

Encoding and decoding image data

A method of preprocessing, prior to encoding with an external encoder, image data using a preprocessing network comprising a set of inter-connected learnable weights is provided. At the preprocessing network, image data from one or more images is received. The image data is processed using the preprocessing network to generate an output pixel representation for encoding with the external encoder. The preprocessing network is configured to take as an input display configuration data representing one or more display settings of a display device operable to receive encoded pixel representations from the external encoder. The weights of the preprocessing network are dependent upon the one or more display settings of the display device.

Preprocessing image data

A method of processing image data at a server is provided. Image data from one or more images is received at a preprocessing network comprising a set of inter-connected learnable weights, the weights being dependent upon one or more display settings of a display device. The image data is processed using the preprocessing network to generate a plurality of output pixel representations corresponding to different display settings of the display device. The plurality of output pixel representations are encoded to generate a plurality of encoded bitstreams. At least one selected bitstream is transmitted from the server to the display device, wherein the at least one encoded bitstream is selected on the basis of the one or more display settings of the display device.

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London, United Kingdom

Srdjan Grce