IMAGE PROCESSING APPARATUS AND METHOD

摘要

The present technology relates to an image processing apparatus and method capable of preventing an increase in a cost of the apparatus. A setting unit sets identification information for identifying a correspondence relationship between a size of a block of an image and changing of a prediction method applied to the block, and an inter-prediction unit generates a prediction image according to the identification information. An encoder codes the block by using the prediction image so as to generate a coded stream. In addition, the encoder transmits the coded stream and the identification information. The present technology is applicable to, for example, a case of coding/decoding an image, and the like.

主权项

1. An image processing apparatus comprising:
a setting unit that sets identification information for identifying a correspondence relationship between a size of a coding unit which is a block expressed by a layer structure of an image and changing of a prediction method applied to the coding unit; a prediction unit that generates a prediction image according to the identification information set by the setting unit; a coding unit that codes the image by using the prediction image generated by the prediction unit, so as to generate a coded stream; and a transmission unit that transmits the coded stream generated by the coding unit and the identification information set by the setting unit, wherein the setting unit sets the identification information for prohibiting occurrence of bi-prediction of a block having a size of 8×8 on the basis of a memory bandwidth which is a transmission rate at which a decoded image is read from a storage unit which stores the decoded image used to generate the prediction image.