Coding method for coding moving image

Abstract

In a coding method, a background image is extracted from a target frame included in a moving image (S11), a plurality of kinds of pieces of metadata indicating a feature of at least one object included in the target frame are extracted from the target frame (S12), the plurality of kinds of pieces of metadata are hierarchically disposed in each kind (S13), and coded information is generated, the coded information including background image information specifying the background image and meta-information indicating a part of or all the pieces of metadata corresponding to a hierarchy selected from the plurality of kinds of pieces of metadata (S14).

What is claimed is: 
     
         1 . A computer-implemented coding method comprising: extracting a background image from a target frame included in a moving image; extracting, from the target frame, a plurality of kinds of pieces of metadata indicating a feature of at least one object included in the target frame; disposing hierarchically the plurality of kinds of pieces of metadata with respect to each kind; and generating coded information including background image information specifying the background image and meta-information indicating at least a part of all the pieces of metadata corresponding to a selected hierarchy.