Image filtering method and device and video codec

• Main Authors: LU XIAOMU, CHEN JIANLE, YANG HAITAO, GAO SHAN
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2019
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

The embodiment of the invention discloses an image filtering method, an image filtering device and a video codec, relates to the technical field of video coding and decoding, can be applied to a deblocking filtering scene, and is helpful for improving video coding and decoding performance. The image filtering method comprises the steps of determining a target filter for filtering a current image block based on size information of the current image block to be filtered, wherein the size information of the current image block comprises the width or height of the current image block; and carrying out filtering processing on the current image block by using a target filter. The technical scheme disclosed by the embodiment of the invention can be suitable for the next generation video coding and decoding technology. 本申请实施例公开了图像滤波方法、装置及视频编解码器，涉及视频编解码技术领域，可以例如但不限于应用于去块效应滤波的场景中，有助于改善视频编解码性能。其中图像滤波方法可以包括：基于待滤波的当前图像块的尺寸信息，确定用于对当前图像块进行滤波的目标滤波器；当前图像块的尺寸信息包括当前图像块的宽度或者高度；利用目标滤波器，对当前图像块进行滤波处理。本申请实施例公开的技术方案可以适用于下一代视频编解码技术。