Three-dimensional model classifying method based on feature matching
A three-dimensional model and classification method technology, applied in character and pattern recognition, special data processing applications, instruments, etc., can solve the problems of large workload of two-dimensional image classification, limited practical application scope, etc. Save time and effort, avoid the effect of multiple views
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Example Embodiment
[0054] Example 2
[0055] The following describes the scheme in Embodiment 1 in detail in combination with specific calculation formulas and examples. For details, see the following description:
[0056] 201: Define the multi-view color view set of each object in the training data as the multi-view training model library SD (SetDatabase), such as figure 2 As shown, a view is randomly selected from the multi-view color view set of each object to obtain the initial single-view view, and the single-view set of all objects is defined as the single-view training model library VD (View Database), such as image 3 Shown
[0057] 202: In the multi-view training model library and the single-view training model library, extract the CNN features of the initial view set of each object to obtain the initial feature multi-view training vector set And category labels Initial feature single view training vector set And category labels
[0058] Among them, the CNN feature, also known as the convol...
Example Embodiment
[0110] Example 3
[0111] The following combined with specific experimental data, Figure 4 The feasibility verification of the schemes in Examples 1 and 2 is carried out, as detailed in the following description:
[0112] The database used in this experiment is the database ETH released by Taiwan University of China [9] . This is a real-world multi-view model database, containing 80 objects in 8 categories and 41 views for each object. In this experiment, 24 objects of 3 of each type are selected as the training set, and the remaining objects are used as the set to be classified.
[0113] Several parameters are involved in this experiment: number of iterations, weight coefficient λ 1 , Λ 2 And neighboring points k 1 , K 2 . In this experiment, the number of iterations is set to 10, and the weight coefficient λ 1 = 0.9, λ 2 =0.1 and the number of neighboring points k 1 = 2, k 2 = 5. Comparing the category label of the three-dimensional model with the original category label after ...
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