Abstract: An image prediction method and apparatus includes obtaining predicted motion information of an image block; determining an initial predicted block of the image block according to the predicted motion information and a reference image of the image block; performing, according to the predicted motion information, L iterative searches in the reference image using an integer pixel step size to obtain an intermediate predicted block of the image block; performing a single search in the reference image using a fractional pixel step size to obtain M predicted blocks of the image block; determining a target predicted block of the image block according to the M predicted blocks and the intermediate predicted block; and obtaining a predicted value of a pixel value of the image block according to a pixel value of the target predicted block.

Abstract: The invention relates to a loop filter apparatus for processing a reconstructed picture of a video stream into a filtered reconstructed picture that includes a plurality of samples. The loop filter apparatus includes processing circuitry configured to apply a first partition to the reconstructed picture or at least a portion thereof so as to partition the reconstructed picture into a plurality of sample blocks and to apply a respective noise suppression filter to the one or more sample blocks to obtain one or more filtered sample blocks. The one or more sample blocks are defined by an application map, the noise suppression filter depends on the application map, and the application map partitions the reconstructed picture into a plurality of regions The processing circuitry is further configured to generate the filtered reconstructed picture. Moreover, the invention relates to a corresponding loop filtering method.

Abstract: An image prediction method and apparatus includes obtaining predicted motion information of an image block; determining an initial predicted block of the image block according to the predicted motion information and a reference image of the image block; performing, according to the predicted motion information, L iterative searches in the reference image using an integer pixel step size to obtain an intermediate predicted block of the image block; performing a single search in the reference image using a fractional pixel step size to obtain M predicted blocks of the image block; determining a target predicted block of the image block according to the M predicted blocks and the intermediate predicted block; and obtaining a predicted value of a pixel value of the image block according to a pixel value of the target predicted block.