Method and apparatus for checking input-output characteristic of neural network
First Claim
1. A method of checking an input-output characteristic of a neural network comprising an input layer composed of plural input nodes and an output layer composed of at least one output node, said method comprising the steps of:
- selecting one of said input nodes;
applying a variable data to said selected input node and applying constant data to input nodes other than said selected node;
operating said neural network to obtain output data from said output layer of said neural network;
varying said variable data within a predetermined range;
operating said neural network to obtain output data from said output layer of said neural network; and
displaying a change of said output data.
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Abstract
An apparatus for checking the input-output characteristic of a neural network which has an input layer, an intermediate layer and an output layer. Plural nodes of the input layer are related to plural nodes of the intermediate layer with plural connection weights while the plural nodes of the intermediate layer are also related to plural nodes of the output layer with plural connection weights. One of the nodes of the input layer is selected as a variable input element while the rest of the nodes are regarded as fixed input elements. A variable data input to the variable input element is varied within a predetermined variation range, while data input to the fixed input elements are fixed, so as to detect how the components of output data from the output layer change. The detected changes of the components of the output data are displayed as the input-output characteristic of the neural network.
12 Citations
14 Claims
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1. A method of checking an input-output characteristic of a neural network comprising an input layer composed of plural input nodes and an output layer composed of at least one output node, said method comprising the steps of:
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selecting one of said input nodes; applying a variable data to said selected input node and applying constant data to input nodes other than said selected node; operating said neural network to obtain output data from said output layer of said neural network; varying said variable data within a predetermined range; operating said neural network to obtain output data from said output layer of said neural network; and displaying a change of said output data. - View Dependent Claims (6, 7, 8, 9, 10)
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2. An apparatus for checking an input-output characteristic of a neural network comprising an input layer having plural input nodes and an output layer having one output node, said apparatus comprising:
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means for selecting one of said input nodes; means for applying a variable data to said selected input node and applying constant data to input nodes other than said selected node; means for operating said neural network to obtain output data from said output layer of said neural network; means for varying said variable data within a predetermined range; and means for displaying a change of said output data. - View Dependent Claims (3, 4, 5)
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11. A method of checking an input-output characteristic of a neural network comprising an input layer composed of plural input nodes and an output layer composed of at least one output node, said method comprising the steps of:
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selecting one of said input nodes of said neural network; applying variable data to said one input node while applying constant data to input nodes other than said one input node and operating said neural network to obtain first output data from said output node; varying said variable data within a predetermined range to obtain second variable data; applying said second variable data to said one input node while applying said constant data to said input nodes other than said one input node and operating said neural network to obtain second output data from said output node; and displaying said first and second output data. - View Dependent Claims (12, 13, 14)
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Specification