A new approach of edge detection based on the measure of color information is proposed with the analysis of L*a*b* color space.

This paper analyses the food and its color information,and then introduces recognition principle of color information.

Especially, the authors propose a method for extracting a seal imprint by using its color information, and puts foward a method for the detection and recovery of missing pattern.

The color information in TV video signals and the unique color histogram are used in this system.

In order to simplify the problem in regression forecasting,we don t often consider gray information.

Based on some researches of other scholars,the Internet gray information is discussed from the aspects as follows: the definition of the gray information,value analysis and collection of the gray information.

The paper analyzes the Legality of collecting gray information and the illegality of collecting business secret, and puts forward concrete countermeasures and methods to prevent improper information competition activities.

Recording the red green and blue colour information of a colour positive film separatly on one or two holographic plates with a white light source and three code holograms and three light filters.

Efficient video object segmentation algorithm based on color information and sampling detection;