Image classifying method based on transfer learning multiple attractor cellular automata (MACA)

A classification method and transfer learning technology, applied in the field of image classification based on transfer learning multi-attractor cellular automata, to achieve the effect of improving generalization

Active Publication Date: 2015-06-03
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

[0007] The train of thought of realizing the present invention is, use a kind of cellular automata classification method with empty basin judgment to generate multi-attractor cellular automata MACA tree, avoid the appearance of empty basin, improve the generalization performance of image classifier; At the same time, propose The new pattern distance measure is used to calculate the similarity between the source domain sample and the target domain sample of the image, which makes the calculation of the similarity between the source domain sample and the target domain sample of the image mo

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  • Image classifying method based on transfer learning multiple attractor cellular automata (MACA)
  • Image classifying method based on transfer learning multiple attractor cellular automata (MACA)
  • Image classifying method based on transfer learning multiple attractor cellular automata (MACA)

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Embodiment Construction

[0049] Attached below figure 1 , further describe in detail the steps realized by the present invention.

[0050] Step 1, image data preprocessing.

[0051] The input is a collection of labeled images in the source domain and a collection of labeled images in the target domain, and each labeled image corresponds to a category.

[0052] The labeled images in the source domain are taken from images of different categories from the labeled images in the target domain but have certain transferability.

[0053] The features of the images in the source domain and the target domain labeled image collection are extracted to form the source domain feature vector and the target domain feature vector respectively.

[0054] There are many feature extraction methods that can be used for image data. Here we use the bag-of-words method for image feature extraction.

[0055] Discretization processing formulas are used to discretize the image features of each dimension of the source domain ...

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Abstract

The invention discloses an image classifying method based on transfer learning a multiple attractor cellular automata (MACA) and mainly solves the problems that an existing image classifying method based on transferring cannot avoid the empty basin appearance, the similarities of a source domain sample and a target domain sample are not accurately calculated, the effect of transferring from the source domain sample to the target domain sample is poor, and the classification accuracy is low. The image classifying method comprises the steps: (1) performing image data pre-processing; (2) training a multiple attractor cellular automata (MACA) tree in a source domain space; (3) dividing a target domain training set; (4) constructing a local mode space training set; (5) training a multiple attractor cellular automata (MACA) tree in a local mode space; (6) generating a target domain multiple attractor cellular automata (MACA) tree. The image classifying method has the advantages of strong generalization ability and high classifying accuracy and effectively solves the problems that the existing image classifying method cannot avoid the empty basin appearance and poor transferring effect.

Description

technical field [0001] The invention belongs to the technical field of image processing, and further relates to an image classification method based on migration learning multi-attractor cellular automata in the technical field of machine learning. The invention utilizes a migration learning method to transfer the image knowledge of the source domain to the target domain for assisting the learning of the classifier and improving the classification accuracy of the image. Background technique [0002] As the use of digital images is increasing rapidly, it plays an increasingly important role in people's lives. In many image pattern classification problems, collecting training samples with class labels is expensive and time-consuming, meanwhile, it is difficult to train effective predictors based on limited labeled image data. Transfer learning uses the potential auxiliary knowledge of the source domain data to assist the learning of the target domain classifier. At present, ...

Claims

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Application Information

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IPC IPC(8): G06K9/62
Inventor 方敏刘心元刘彦勋王彤
Owner XIDIAN UNIV
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