Children cognitive system based on augment reality technology and cognitive method
An augmented reality and cognitive system technology, applied in the fields of electronically operated teaching aids, image data processing, speech analysis, etc., can solve the problems of dullness and poor interaction of children's literacy cards, so as to improve learning ability, enhance immersion, and improve interaction. effect of effect
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[0075] In order to better understand the present invention, some basic concepts are firstly explained.
[0076]Weighted graph: A set pair (V, E) consisting of a set of points V and a set E of connections between points is called a graph, represented by G(V, E). The elements in V are called nodes and the elements in E are called edges. A graph whose node set V and edge set E are both finite is called a finite graph. If any side (i, j) in the graph is assigned a number ω(i, j), this number is called the weight of the side. A graph that is assigned weights is called a weighted graph. After assigning weights to each edge of the directed graph, it becomes a directed weighted graph.
[0077] EM algorithm: It is used in statistics to find the maximum likelihood estimation of parameters in a probability model that depends on unobservable hidden variables. The EM algorithm is also called the maximum expectation algorithm. The Expectation Maximum (EM) algorithm is an algorithm for ...
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