• Title/Summary/Keyword: Image training

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Influence of Image Training on Static and Dynamic Balance for College Students (일반 대학생의 이미지 상상훈련이 정적 및 동적 균형에 미치는 영향)

  • Nam, Hyoungchun;Lim, Kyungil;Kim, Suhyeon;Kim, Seoji;Kim, Jiseon;Ryu, Youngwoo;Park, Inae;Lee, Subin;Jin, Hanbin;Moon, Junseok;Jang, Sehoon
    • Journal of The Korean Society of Integrative Medicine
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    • v.2 no.2
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    • pp.59-65
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    • 2014
  • Purpose : This study was to investigate the influence of imagery balance for healthy normal people in their twenties. Method : The study has taken a place in Kyung-buk college in Yung-jusi in Kyungbuk with a group of 21 healthy peoples. The study used measurement of good balance. we measured balance for data of each static and dynamic. Training period, a total of 2 weeks. Except Saturday and Sunday, the study did weekdays. Fist, 2-minute relaxation. Second, 6-minute imagine training. Third, 2-minute relaxation. Total 10-minute training was conducted per training. Result : In study, the subjects were compared date for before the study to date for after the study. The subjects showed a little change in each Balance. But, the improvement of balance was not a big change. Conclusion : Image training kinesthetic image using hearing improved incompletely inspite of being no gap, numerically balance.

Improved Statistical Grey-Level Models for PCB Inspection (PCB 검사를 위한 개선된 통계적 그레이레벨 모델)

  • Bok, Jin Seop;Cho, Tai-Hoon
    • Journal of the Semiconductor & Display Technology
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    • v.12 no.1
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    • pp.1-7
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    • 2013
  • Grey-level statistical models have been widely used in many applications for object location and identification. However, conventional models yield some problems in model refinement when training images are not properly aligned, and have difficulties for real-time recognition of arbitrarily rotated models. This paper presents improved grey-level statistical models that align training images using image or feature matching to overcome problems in model refinement of conventional models, and that enable real-time recognition of arbitrarily rotated objects using efficient hierarchical search methods. Edges or features extracted from a mean training image are used for accurate alignment of models in the search image. On the aligned position and orientation, fitness measure based on grey-level statistical models is computed for object recognition. It is demonstrated in various experiments in PCB inspection that proposed methods are superior to conventional methods in recognition accuracy and speed.

A Comparison of Classification Techniques in Hyperspectral Image (하이퍼스펙트럴 영상의 분류 기법 비교)

  • 가칠오;김대성;변영기;김용일
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2004.11a
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    • pp.251-256
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    • 2004
  • The image classification is one of the most important studies in the remote sensing. In general, the MLC(Maximum Likelihood Classification) classification that in consideration of distribution of training information is the most effective way but it produces a bad result when we apply it to actual hyperspectral image with the same classification technique. The purpose of this research is to reveal that which one is the most effective and suitable way of the classification algorithms iii the hyperspectral image classification. To confirm this matter, we apply the MLC classification algorithm which has distribution information and SAM(Spectral Angle Mapper), SFF(Spectral Feature Fitting) algorithm which use average information of the training class to both multispectral image and hyperspectral image. I conclude this result through quantitative and visual analysis using confusion matrix could confirm that SAM and SFF algorithm using of spectral pattern in vector domain is more effective way in the hyperspectral image classification than MLC which considered distribution.

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A Study on Designing Metadata Standard for Building AI Training Dataset of Landmark Images (랜드마크 이미지 AI 학습용 데이터 구축을 위한 메타데이터 표준 설계 방안 연구)

  • Kim, Jinmook
    • Journal of the Korean Society for Library and Information Science
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    • v.54 no.2
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    • pp.419-434
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    • 2020
  • The purpose of the study is to design and propose metadata standard for building AI training dataset of landmark images. In order to achieve the purpose, we first examined and analyzed the state of art of the types of image retrieval systems and their indexing methods, comprehensively. We then investigated open training dataset and machine learning tools for image object recognition. Sequentially, we selected metadata elements optimized for the AI training dataset of landmark images and defined the input data for each element. We then concluded the study with implications and suggestions for the development of application services using the results of the study.

Robust Minimum Squared Error Classification Algorithm with Applications to Face Recognition

  • Liu, Zhonghua;Yang, Chunlei;Pu, Jiexin;Liu, Gang;Liu, Sen
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.1
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    • pp.308-320
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    • 2016
  • Although the face almost always has an axisymmetric structure, it is generally not symmetrical image for the face image. However, the mirror image of the face image can reflect possible variation of the poses and illumination opposite to that of the original face image. A robust minimum squared error classification (RMSEC) algorithm is proposed in this paper. Concretely speaking, the original training samples and the mirror images of the original samples are taken to form a new training set, and the generated training set is used to perform the modified minimum sqreared error classification(MMSEC) algorithm. The extensive experiments show that the accuracy rate of the proposed RMSEC is greatly increased, and the the proposed RMSEC is not sensitive to the variations of the parameters.

Automated Visual Inspection System of PCB using CAD Information (CAD 정보를 잉용한 PCB 자동 시각 검사 시스템)

  • Park, Byung-Joon;Hahn, Kwang-Soo
    • Journal of Korea Multimedia Society
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    • v.12 no.3
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    • pp.397-408
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    • 2009
  • Image training is a very important yet difficult state for automated visual inspection using computers. Because the size of parts for the recently produced PCB (Printed Circuit Board) becomes smaller and circuit patterns gradually become more complex, a difficult and complex training process is becoming a big problem within an industry where development cycle for new products is short and various products must be inspected. This research produced a reference image by using CAD (Gerber) file which becomes a standard for PCB automatic visual inspection. Reference image from a Gerber file guarantees PCB patterns with no defects. Through system implementation and experimentation, Gerber file is used in order to propose a plan which allows an easy training process for PCB automatic visual inspection system.

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A Study on Intelligent Skin Image Identification From Social media big data

  • Kim, Hyung-Hoon;Cho, Jeong-Ran
    • Journal of the Korea Society of Computer and Information
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    • v.27 no.9
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    • pp.191-203
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    • 2022
  • In this paper, we developed a system that intelligently identifies skin image data from big data collected from social media Instagram and extracts standardized skin sample data for skin condition diagnosis and management. The system proposed in this paper consists of big data collection and analysis stage, skin image analysis stage, training data preparation stage, artificial neural network training stage, and skin image identification stage. In the big data collection and analysis stage, big data is collected from Instagram and image information for skin condition diagnosis and management is stored as an analysis result. In the skin image analysis stage, the evaluation and analysis results of the skin image are obtained using a traditional image processing technique. In the training data preparation stage, the training data were prepared by extracting the skin sample data from the skin image analysis result. And in the artificial neural network training stage, an artificial neural network AnnSampleSkin that intelligently predicts the skin image type using this training data was built up, and the model was completed through training. In the skin image identification step, skin samples are extracted from images collected from social media, and the image type prediction results of the trained artificial neural network AnnSampleSkin are integrated to intelligently identify the final skin image type. The skin image identification method proposed in this paper shows explain high skin image identification accuracy of about 92% or more, and can provide standardized skin sample image big data. The extracted skin sample set is expected to be used as standardized skin image data that is very efficient and useful for diagnosing and managing skin conditions.

A Study on the Utilization of Virtual Educational Training Contents

  • Jihan Kim;Jeanhun Chung
    • International Journal of Internet, Broadcasting and Communication
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    • v.16 no.3
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    • pp.158-163
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    • 2024
  • Virtual world technology is driving major advances in education, entertainment, and professional training. Metaverse and extended reality (XR) technologies maximize immersion to enhance learning, provide global learning environments, and expose students to situations that are difficult to experience in real life. Career exploration is an important developmental task in adolescence, and virtual training maximizes learning by providing life-like experiences with imagery training. Virtual training overcomes spatial, financial, performance, and situational constraints and is effective in a variety of fields, including military and disaster training. It provides customized learning for various users such as youth, job seekers, and people with disabilities, deepening their understanding of professional activities and improving their problem-solving skills. It also improves the quality of learning through repetitive learning and contributes to the improvement of teamwork and communication skills, and helps to solve financial problems by using unlimited internal resources and space in virtual space, and enables people with disabilities to perform in various professions. This paper investigated the value of virtual training as a comprehensive educational tool through an economical and efficient learning experience.

Eyeglass Remover Network based on a Synthetic Image Dataset

  • Kang, Shinjin;Hahn, Teasung
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.4
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    • pp.1486-1501
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    • 2021
  • The removal of accessories from the face is one of the essential pre-processing stages in the field of face recognition. However, despite its importance, a robust solution has not yet been provided. This paper proposes a network and dataset construction methodology to remove only the glasses from facial images effectively. To obtain an image with the glasses removed from an image with glasses by the supervised learning method, a network that converts them and a set of paired data for training is required. To this end, we created a large number of synthetic images of glasses being worn using facial attribute transformation networks. We adopted the conditional GAN (cGAN) frameworks for training. The trained network converts the in-the-wild face image with glasses into an image without glasses and operates stably even in situations wherein the faces are of diverse races and ages and having different styles of glasses.

Improved Face Recognition based on 2D-LDA using Weighted Covariance Scatter (가중치가 적용된 공분산을 이용한 2D-LDA 기반의 얼굴인식)

  • Lee, Seokjin;Oh, Chimin;Lee, Chilwoo
    • Journal of Korea Multimedia Society
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    • v.17 no.12
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    • pp.1446-1452
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    • 2014
  • Existing LDA uses the transform matrix that maximizes distance between classes. So we have to convert from an image to one-dimensional vector as training vector. However, in 2D-LDA, we can directly use two-dimensional image itself as training matrix, so that the classification performance can be enhanced about 20% comparing LDA, since the training matrix preserves the spatial information of two-dimensional image. However 2D-LDA uses same calculation schema for transformation matrix and therefore both LDA and 2D-LDA has the heteroscedastic problem which means that the class classification cannot obtain beneficial information of spatial distances of class clusters since LDA uses only data correlation-based covariance matrix of the training data without any reference to distances between classes. In this paper, we propose a new method to apply training matrix of 2D-LDA by using WPS-LDA idea that calculates the reciprocal of distance between classes and apply this weight to between class scatter matrix. The experimental result shows that the discriminating power of proposed 2D-LDA with weighted between class scatter has been improved up to 2% than original 2D-LDA. This method has good performance, especially when the distance between two classes is very close and the dimension of projection axis is low.