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Optical field depth estimation method based on direction and scale adaptive convolutional neural network

A convolutional neural network, scale adaptive technology, applied in biological neural network model, neural architecture, computing and other directions, can solve the problem of difficult to calculate the depth of the occluded area in the textureless area of ​​the image

Active Publication Date: 2018-11-20
HANGZHOU DIANZI UNIV
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AI Technical Summary

Problems solved by technology

However, this method also faces problems such as difficulty in calculating the depth of texture-free areas and occluded areas of the image.

Method used

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  • Optical field depth estimation method based on direction and scale adaptive convolutional neural network
  • Optical field depth estimation method based on direction and scale adaptive convolutional neural network
  • Optical field depth estimation method based on direction and scale adaptive convolutional neural network

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Embodiment Construction

[0054] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0055] Such as Figure 1-4 As shown, a new light field depth estimation method based on direction and scale adaptive convolutional neural network is used for multi-directional and scale light field data, including the following process:

[0056] The concrete of the inventive method comprises following process:

[0057] The technical scheme that the present invention solves its technical problem to take comprises the steps:

[0058] Step 1. Prepare the light field data set, make training set and test set;

[0059] Step 2. Build a direction- and scale-adaptive convolutional neural network SOA-EPN;

[0060] Step 3. Use the training set to train the built SOA-EPN network;

[0061] Step 4. Use the trained SOA-EPN network to test on the test set;

[0062] Step 1 specifically includes the following steps:

[0063] Step 1-1: Use the 4D light field...

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Abstract

The invention discloses a light field depth estimation method based on a direction and scale adaptive convolutional neural network. The invention comprises the following steps of (1) preparing a lightfield data set and making a training set and a test set, (2) building a direction and scale adaptive convolutional neural network SOA-EPN, (3) training the built SOA-EPN by using the training set, and (4) testing on the test set by using the trained SOA-EPN. According to the method, the direction and scale adaptive convolutional neural network is used to predict the depth of a light field, multiple directions are used, the problems of occlusion and the like are handled, and an accurate depth estimation result is obtained.

Description

technical field [0001] The invention relates to the field of deep learning and light field depth estimation, in particular to a light field depth estimation method based on direction and scale adaptive convolutional neural networks. Background technique [0002] Deep learning is an important breakthrough in the field of artificial intelligence in recent years, and has made breakthroughs in image recognition, speech recognition, natural language processing and other directions. Compared with traditional machine learning methods, the main process of deep learning methods is: constructing data sets; using convolutional layers, fully connected layers, activation layers, etc. to define deep neural networks and define loss functions; using data sets to train defined deep networks Model, which uses optimization methods such as backpropagation techniques and gradient descent to update the parameters of the neural network. The trained deep network model can fit a high-dimensional co...

Claims

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Application Information

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IPC IPC(8): G06N3/04G06T7/557
CPCG06T7/557G06N3/045G06N3/044
Inventor 周文晖梁麟开魏兴明周恩慈
Owner HANGZHOU DIANZI UNIV
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