Super-resolution method based on artificial neural network
An artificial neural network, super-resolution technology, applied in the field of statistical pattern recognition and image processing, can solve problems such as time-consuming and low efficiency
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[0028] The present invention is further described below with the application on the ORL face database as an example. The ORL database contains face images of 40 people, 10 for each person, the same as 400. The size of each image is 92×112 pixels. We select 200 of them as the training set, that is, 5 images for each person. The remaining 200 images are used as the test set. Contains two sets of experiments, corresponding to two cases where overlapping pixels are 0 and 1. In the experiment, the low-resolution image is divided into 3×3 image blocks, and the high-resolution image is divided into 6×6 image blocks. The number of neurons in the input layer of the BP neural network is 9, and the number of neurons in the output layer is The number is 36, and the number of neurons in the middle hidden layer is 25. The high and low resolution images in the training set were broken up into 54000 image blocks of 6×6 pixels and 3×3 pixels respectively, and these image blocks were drawn in...
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