Search Results for author: Takumi Ichimura

Found 25 papers, 0 papers with code

An Embedded System for Image-based Crack Detection by using Fine-Tuning model of Adaptive Structural Learning of Deep Belief Network

no code implementations25 Oct 2021 Shin Kamada, Takumi Ichimura

In our research, an adaptive structural learning method of Restricted Boltzmann Machine (Adaptive RBM) and Deep Belief Network (Adaptive DBN) have been developed as a deep learning model.

Automatic Extraction of Road Networks from Satellite Images by using Adaptive Structural Deep Belief Network

no code implementations25 Oct 2021 Shin Kamada, Takumi Ichimura

Our Adaptive DBN had an advantage of not only the detection accuracy but also the inference time compared with the conventional CNN in the experiment results.

An Adaptive Structural Learning of Deep Belief Network for Image-based Crack Detection in Concrete Structures Using SDNET2018

no code implementations25 Oct 2021 Shin Kamada, Takumi Ichimura, Takashi Iwasaki

The dataset contains about 56, 000 crack images for three types of concrete structures: bridge decks, walls, and paved roads.

A Video Recognition Method by using Adaptive Structural Learning of Long Short Term Memory based Deep Belief Network

no code implementations30 Sep 2019 Shin Kamada, Takumi Ichimura

The method can find the optimal number of hidden neurons of a Restricted Boltzmann Machine (RBM) by neuron generation-annihilation algorithm to train the given input data, and then it can make a new layer in DBN by the layer generation algorithm to actualize a deep data representation.

Time Series Time Series Analysis +1

Re-learning of Child Model for Misclassified data by using KL Divergence in AffectNet: A Database for Facial Expression

no code implementations30 Sep 2019 Takumi Ichimura, Shin Kamada

In order to distinguish such cases, this paper investigated a re-learning model of Adaptive DBN with two or more child models, where the original trained model can be seen as a parent model and then new child models are generated for some misclassified cases.

Classification General Classification

An Object Detection by using Adaptive Structural Learning of Deep Belief Network

no code implementations30 Sep 2019 Shin Kamada, Takumi Ichimura

In this paper, a new object detection method for the DBN architecture is proposed for localization and category of objects.

Classification General Classification +2

Adaptive Learning Method of Recurrent Temporal Deep Belief Network to Analyze Time Series Data

no code implementations11 Jul 2018 Takumi Ichimura, Shin Kamada

Deep Learning has the hierarchical network architecture to represent the complicated features of input patterns.

Time Series Time Series Analysis

Shortening Time Required for Adaptive Structural Learning Method of Deep Belief Network with Multi-Modal Data Arrangement

no code implementations11 Jul 2018 Shin Kamada, Takumi Ichimura

For this reason, not only the numerical data and text data but also the time-series data are transformed to the image data format.

Time Series Time Series Analysis

Emergence of Altruism Behavior for Multi Feeding Areas in Army Ant Social Evolutionary System

no code implementations10 Jul 2018 Takumi Ichimura, Takuya Uemoto, Akira Hara

Army ants perform the altruism that an ant sacrifices its own well-being for the benefit of another ants.

An Adaptive Learning Method of Restricted Boltzmann Machine by Neuron Generation and Annihilation Algorithm

no code implementations10 Jul 2018 Shin Kamada, Takumi Ichimura

In this method, a new hidden neuron is generated if the energy function is not still converged and the variance of the parameters is large.

An Adaptive Learning Method of Deep Belief Network by Layer Generation Algorithm

no code implementations10 Jul 2018 Shin Kamada, Takumi Ichimura

In this paper, we propose the adaptive learning method of DBN that can determine the optimal number of layers during the learning.

Fine Tuning Method by using Knowledge Acquisition from Deep Belief Network

no code implementations10 Jul 2018 Shin Kamada, Takumi Ichimura

As a result, the classification capability can achieve a great success (97. 1\% to unknown data set).

Classification General Classification

An Estimation of Favorite Value in Emotion Generating Calculation by Fuzzy Petri Net

no code implementations10 Apr 2018 Takumi Ichimura, Kousuke Tanabe

This paper discusses the effective learning method to improve a weak point of EGC when a missing value of FV exists.

A Generation Method of Immunological Memory in Clonal Selection Algorithm by using Restricted Boltzmann Machines

no code implementations9 Apr 2018 Shin Kamada, Takumi Ichimura

However, some landmarks was not detected correctly by the previous method because they didn't have enough amount of information for the feature extraction.

An Adaptive Learning Method of Personality Trait Based Mood in Mental State Transition Network by Recurrent Neural Network

no code implementations9 Apr 2018 Takumi Ichimura, Kosuke Tanabe, Toshiyuki Yamashita

In this paper, the agent can interact with human to realize smooth communication by an adaptive learning method of the user's personality trait based mood.

Affective Recommendation System for Tourists by Using Emotion Generating Calculations

no code implementations9 Apr 2018 Takumi Ichimura, Issei Tachibana

In this paper, we develop the tourist information system which can estimate the user's feelings at the sightseeing spot.

Hierarchical Modular Reinforcement Learning Method and Knowledge Acquisition of State-Action Rule for Multi-target Problem

no code implementations8 Apr 2018 Takumi Ichimura, Daisuke Igaue

Hierarchical Modular Reinforcement Learning (HMRL), consists of 2 layered learning where Profit Sharing works to plan a prey position in the higher layer and Q-learning method trains the state-actions to the target in the lower layer.

Position Q-Learning +1

Emotion Orientated Recommendation System for Hiroshima Tourist by Fuzzy Petri Net

no code implementations8 Apr 2018 Takumi Ichimura, Issei Tachibana

We developed an Android Smartophone application software for tourist information system.

Clustering and Retrieval Method of Immunological Memory Cell in Clonal Selection Algorithm

no code implementations8 Apr 2018 Takumi Ichimura, Shin Kamada

The clonal selection principle explains the basic features of an adaptive immune response to a antigenic stimulus.

Clustering General Classification +1

A Proposal of Interactive Growing Hierarchical SOM

no code implementations8 Apr 2018 Takumi Ichimura, Takashi Yamaguchi

The control method of the growing degree of GHSOM by pruning off the redundant branch of hierarchy in SOM is proposed in this paper.

A Clonal Selection Algorithm with Levenshtein Distance based Image Similarity in Multidimensional Subjective Tourist Information and Discovery of Cryptic Spots by Interactive GHSOM

no code implementations8 Apr 2018 Takumi Ichimura, Shin Kamada

Mobile Phone based Participatory Sensing (MPPS) system involves a community of users sending personal information and participating in autonomous sensing through their mobile phones.

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