Neural Pattern Recognition System Invariant to Rotation of Input Pattern and Its Application to Coin Recognition

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  • パターンの回転に対して不変なニューラルパターン認識システムとそのコイン認識への応用
  • パターン ノ カイテン ニ タイシテ フヘン ナ パターン ニンシキ システム

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We have already presented a pattern recognition system insensitive to translation and rotation by 90° using neural networks. In this paper, we propose a pattern recognition system invariant to rotation of input pattern by any number of degrees. The system consists of a fixed invariance net with many slabs and a trainable multi-layered network. To illustrate the effectiveness of the system, we apply it to a variable rotation coin recognition problem between 500 yen and 500 won coins.

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