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Quality detection method and system in fruit and vegetable drying process based on dynamic neural network

A dynamic neural network and drying process technology, applied in neural learning methods, biological neural network models, neural architectures, etc., can solve problems such as low detection accuracy, and achieve the effect of improving prediction ability and detection accuracy.

Active Publication Date: 2022-05-24
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is to overcome the problem of low detection accuracy in the prior art, thereby providing a quality detection method in the process of fruit and vegetable drying based on dynamic neural network with high prediction ability and thus effectively improving detection accuracy. and system

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  • Quality detection method and system in fruit and vegetable drying process based on dynamic neural network
  • Quality detection method and system in fruit and vegetable drying process based on dynamic neural network
  • Quality detection method and system in fruit and vegetable drying process based on dynamic neural network

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Embodiment 1

[0023] like figure 1 As shown in the figure, this embodiment provides a method for quality detection in the drying process of fruits and vegetables based on a dynamic neural network, including the following steps: Step S1: Collect and save the multi-spectral graphics of the fruit and vegetable slice sample set to be detected under multi-spectral and multiple frequency bands Step S2: preprocess the spectral graphics in the multispectral graphics set; Step S3: perform threshold segmentation on the processed image, and reconstruct the pixels of the region of interest after segmentation under each band in sequence as One-dimensional sequence; Step S4: perform zero-padded processing on the one-dimensional sequence under multiple bands of each sample in the sample set, and reconstruct the two-dimensional image, and increase the data dimension in the reconstructed two-dimensional image set by one dimension; Step S5: increase the The one-dimensional two-dimensional image set is sequen...

Embodiment 2

[0053] Based on the same inventive concept, this embodiment provides a dynamic neural network-based quality detection system for fruits and vegetables in the drying process. The principle of solving the problem is similar to the dynamic neural network-based quality detection method for fruits and vegetables in the drying process. No longer.

[0054] The present embodiment provides a quality detection system in the drying process of fruits and vegetables based on a dynamic neural network, including:

[0055] The acquisition module is used to collect and save the multi-spectral graphic set of the fruit and vegetable slice sample set to be detected under multi-spectral and multiple frequency bands;

[0056] a preprocessing module for preprocessing the spectral graphics in the multispectral graphics set;

[0057]The segmentation and reconstruction module is used to perform threshold segmentation on the processed image, and reconstruct the pixel points of the region of interest af...

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Abstract

The invention relates to a quality detection method and system in the drying process of fruits and vegetables based on a dynamic neural network. The spectral graphics in the graphics set are preprocessed; the processed images are thresholded, and the pixels of the region of interest after segmentation under each band are reconstructed in order into a one-dimensional sequence; multiple bands for each sample in the sample set The one-dimensional sequence below is zero-filled, and the two-dimensional image is reconstructed, and the data dimension in the reconstructed two-dimensional image set is increased by one dimension; the two-dimensional image set after one dimension is added is sequentially input into the dynamic neural network in the order of multiple bands Carry out training, compare the predicted value after training with the actual value, obtain an index to measure the predictive ability, and adjust the structure of the network and the number of training times according to the effect. The invention is beneficial to improving the predictive ability of the index and effectively improving the detection accuracy.

Description

technical field [0001] The invention relates to the technical field of quality detection in the drying process of fruits and vegetables, in particular to a quality detection method and system in the drying process of fruits and vegetables based on a dynamic neural network. Background technique [0002] Most fruits and vegetables are prone to rapid decay, dehydration and microbial growth during storage because they are rich in water, sugar and other nutrients. Due to improper handling of fruits and vegetables, my country produces hundreds of billions of economic losses due to the loss of fruits and vegetables every year. Therefore, the deep processing of fruits and vegetables is of great significance to the development of my country's modern food industry. Among them, drying is the first step in the deep processing of fruits and vegetables. It can inhibit the growth of microorganisms and increase the storage time while evaporating the moisture of fruits and vegetables. In t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/27G01N21/95G06N3/04G06N3/08
CPCG01N21/27G01N21/95G06N3/04G06N3/08
Inventor 黄敏周竑宇赵鑫朱启兵
Owner JIANGNAN UNIV