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Method and apparatus for extracting color scheme from video

A color scheme, video technology, applied in the direction of texture/color, image data processing, instruments, etc., can solve problems such as low interest

Pending Publication Date: 2021-08-13
KOREA ADVANCED INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Some previous studies have considered extracting color schemes from images, but there is little interest in extracting from videos, especially movies.

Method used

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  • Method and apparatus for extracting color scheme from video
  • Method and apparatus for extracting color scheme from video
  • Method and apparatus for extracting color scheme from video

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Embodiment Construction

[0045] Hereinafter, embodiments will be described with reference to the drawings. However, the described embodiments can be formed into various forms, and the scope of the present invention is not limited to the embodiments described below. Furthermore, several embodiments are provided in order to more fully describe the present invention to those skilled in the art to which the present invention pertains. In the drawings, the shapes, sizes, etc. of constituent elements are exaggerated for clearer description.

[0046] figure 1 This is a diagram extracted from a color scheme for explaining an example.

[0047] refer to figure 1 , to extract a color scheme (colorschema) to represent the visual identity of a video (eg, a movie), the video 110 is divided into quasi-master shots and each key frame 120 is selected. A base palette 140 may be generated from keyframes 120 selected using a plurality of saliency maps 130 . Moreover, convex hull enclosing 150 (convex hull enclosing)...

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PUM

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Abstract

The invention relates to a method and an apparatus for extracting a color scheme from a video. According to one embodiment of the invention, the apparatus for extracting a color scheme from the video is provided. The apparatus comprises: a semi-master shot segmentation part for segmenting an input video into a plurality of semi-master shots through semi-master-shot boundary detection (SBD); a base palette extraction part for extracting base palettes from the segmented semi-master shots; and a color scheme merging part for merging the base palettes extracted from the semi-master shots to extract a color scheme.

Description

technical field [0001] The following embodiments relate to methods and devices for extracting color schemes from videos, and in more detail, to methods and devices for automatically extracting color schemes from videos to be used as descriptors. Background technique [0002] IMDb is the largest and most popular movie database consisting of more than 5 million movies. After 2000, more than 10,000 films were screened in the United States and Canada alone, and the number of films released increased sharply. As a result, user preference-based movie recommendation has been more extensively studied. Most recommender systems use social graphs based on movie metadata by genre, director, keywords, and actors. However, manually tagging the metadata at each movie requires considerable effort, and when new metadata fields are required, it takes a considerable amount of time to attach tags again before each movie. Therefore, for an effective recommender system, it is extremely importa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62G06V10/56
CPCG06V20/46G06V20/49G06V10/56G06F18/23213G06V20/41G06T11/001G06T7/90G06T7/11G06T2207/10016
Inventor 崔诚希金秀智
Owner KOREA ADVANCED INST OF SCI & TECH