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Task model acquisition method and device, storage medium and electronic device

A task model and acquisition method technology, applied in the computer field, can solve problems such as slow convergence speed of model training and poor model performance, and achieve the effect of solving slow convergence speed of model training, ensuring model performance, and improving convergence speed

Active Publication Date: 2019-10-22
腾讯医疗健康(深圳)有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a task model acquisition method and device, a storage medium, and an electronic device, so as to at least solve the technical problems of slow model training convergence speed and poor model performance in the randomly initialized network model in the related art

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  • Task model acquisition method and device, storage medium and electronic device
  • Task model acquisition method and device, storage medium and electronic device
  • Task model acquisition method and device, storage medium and electronic device

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Embodiment approach

[0140] As an optional implementation, the input module includes:

[0141] (1) Extracting submodules, used to extract target image features from the first image using the first encoder;

[0142] (2) The processing sub-module is used to use the target pooling layer and the target fully connected layer to process the target image features to obtain target prediction information, wherein the target pooling layer and the target fully connected layer are located between the first encoder and the first Between decoders, the target prediction information is used to represent the predicted distribution of pixel values ​​of each pixel in the second image over multiple pixel value intervals;

[0143] (3) An input sub-module, configured to input the target image features and target prediction information to the first decoder to obtain the first predicted image.

[0144] Through this embodiment, by setting an average pooling layer and a fully connected layer between the first encoder and ...

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Abstract

The invention discloses a task model acquisition method and device, a storage medium and an electronic device. The method comprises the following steps: obtaining target model parameters obtained by carrying out model training on the first training model, wherein the first training model comprises: a first encoder and a first decoder, the target model parameters comprisea first model parameter corresponding to the first encoder, the input of the first training model is a first image of a first channel of the target optical image, the output of the trained first training model is a prediction image corresponding to a second image of a second channel of the target optical image, and the graph similarity between the prediction image and the second image is greater than or equal to a target similarity threshold; initializing model parameters of a second training model by using the target model parameters to obtain an initial task model, the second training model comprising a second encoderhaving the same structure as the first encoder; and training the initial task model by using the target optical image to obtain a target task model.

Description

technical field [0001] The present invention relates to the field of computers, in particular to a task model acquisition method and device, a storage medium and an electronic device. Background technique [0002] At present, when using a network model to perform optical image processing tasks, it is necessary to use sample optical images to perform model training on the initial network model to obtain a trained target network model. For example, network models such as CNN (Convolutional Neural Network, convolutional neural network), FCN (Fully Convolutional Network, fully convolutional network) can be used to perform tasks such as image classification and image segmentation. [0003] When performing model training, the network model is first assigned randomly generated initial model parameters (model parameters of the random initialization network model); the sample optical image is input into the randomly initialized network model, and the output results of the network mod...

Claims

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Application Information

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IPC IPC(8): G06N3/08G06N3/04G16H30/00
CPCG06N3/082G16H30/00G06N3/045
Inventor 李悦翔郑冶枫
Owner 腾讯医疗健康(深圳)有限公司
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