• Title/Summary/Keyword: Correction Rule

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Enhancement of Pattern Fidelity for Metal Layer in Attenuated PSM Lithography by OPC

  • Lee Hoong Joo;Lee Jun Ha
    • Proceedings of the IEEK Conference
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    • 2004.08c
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    • pp.784-786
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    • 2004
  • Overlap errors and side-lobes can be simultaneously solved by the rule-based correction using scattering bars with the rules extracted from test patterns. Process parameters affecting the attPSM lithography simulation have been determined by the fitting method to the process data. Overlap errors have been solved applying the correction rules to the metal patterns overlapped with contact/via. Moreover, the optimal insertion rule of the scattering bars has made it possible to suppress the side-lobes and to get additional pattern fidelity at the same time.

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Heuristic rule-based coordination of Distance Relaying in Transmission System (경험적 룰에 의한 송전계통의 거리계전 방식 협조)

  • Lee, Seung-Jae;Lee, Byeong-Chil;Yoon, Sang-Hyun;Yoon, Man-Chul;Lee, Sang-Ok
    • Proceedings of the KIEE Conference
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    • 1990.07a
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    • pp.121-124
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    • 1990
  • Distance relaying is one of the most commonly used protection schemes in the high voltage transmission systems. In this scheme, coordination between the primary and backup relays is very critical for the power system security. This paper reports an rule-based methodology for checking and correction of miscoordination problems in the distance relaying. Diagnosis rules achieving an accurate but simple checking have been developed through the geometric analysis of the impedance characteristics of the distance relays. Heuristic rules having the pratical power for miscoordination correction are suggested. The proposed method has proved very effective through the several case studies on the actual systems.

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RBR Based Network Configuration Fault Management Algorithms using Agent Collaboration (에이전트들 간의 협력을 통한 RBR 기반의 네트워크 구성 장애 관리 알고리즘)

  • Jo, Gwang-Jong;An, Seong-Jin;Jeong, Jin-Uk
    • The KIPS Transactions:PartC
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    • v.9C no.4
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    • pp.497-504
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    • 2002
  • This paper proposes fault diagnosis and correction algorithms using agent collaboration, and a management model for managing network configuration faults. This management model is composed of three processes-fault detection, fault diagnosis and fault correction. Each process, based on RBR, operates on using rules which are consisted in Rule-based Knowledge Database. Proposed algorithm selves the complex fault problem that a system could not work out by itself, using agent collaboration. And the algorithm does efficiently diagnose and correct network configuration faults in abnormal network states.

Improving Recall for Context-Sensitive Spelling Correction Rules Through Integrated Constraint Loosening Method (통합적 제약완화 방식을 통한 한국어 문맥의존 철자오류 교정규칙의 재현율 향상)

  • Choi, Hyunsoo;Yoon, Aesun;Kwon, Hyukchul
    • KIISE Transactions on Computing Practices
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    • v.21 no.6
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    • pp.412-417
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    • 2015
  • Context-sensitive spelling errors (CSSE) are hard to correct, since they are perfect words when analyzed alone. Determined only by considering the semantic and syntactic relations of their context, CSSEs affect largely the performance of spelling and grammar checkers. The existing Korean Spelling and Grammar Checker (KSGC 4.5) adopts a rule-based method, which uses hand-made correction rules for CSSEs. Using rule-based method, the KSGC 4.5 is designed to obtain the very high precision, which results in the extremely low recall. In this paper, we integrate our previous works that control the CSSE correction rules, in order to improve the recall without sacrificing the precision. In addition to the integration, facultative insertion of adverbs and conjugation suffix of predicates are also considered, as for constraint-loosening linguistic features.

Rule-based OPC for Side-lobe Suppression in The AttPSM Metal Layer Lithography Process (AttPSM metal layer 리토그라피공정의 side-lobe억제를 위한 Rule-based OPC)

  • Lee, Mi-Young;Lee, Hoong-Joo;Seong, Young-Sub;Kim, Hoon
    • Proceedings of the IEEK Conference
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    • 2002.06b
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    • pp.209-212
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    • 2002
  • As the mask design rules get smaller, the probability of the process failure becomes higher doc to the narrow overlay margin between the contact and metal interconnect layers. To obtain the minimum process margin, a tabbing and cutting method Is applied with the rule based optical\ulcorner proximity correction to the metal layer, so that the protection to bridge problems caused by the insufficient space margin between the metal layers can be accomplished. The side-lobe phenomenon from the attenuated phase shift mask with the tight design rule is analyzed through the aerial image simulation for test patterns with variation of the process parameters such as numerical aperture, transmission rate, and partial coherence. The corrected patterns are finally generated by the rules extracted from the side-lobe simulation.

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A Study on Similarity Rule of Loading Period and Thickness with One-dimensional Consolidation Process for Clay (점토의 1차원 압밀과정에 있어서 재하시간과 층두께에 대한 상사법칙에 관한 연구)

  • Kim, Jae Young;Ohshima, Akihiko
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.26 no.6C
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    • pp.369-376
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    • 2006
  • Similarity rule in order to predict the field settlement and consolidation time from oedometer test is not clear because of the thickness, loading time, rate of loading increase, dependence on strain inherent of clay. To investigate the one-dimensional consolidation tests with permeability tests varied loading period and specimen thickness were carried out the application of similarity rule. Main conclusions are 1) f(=1+e)-logk line is a unique property of the soil, 2) $c_{\nu}$, k need no correction, 3)similarity rule is depends on the positions of f-logp line and primary consolidation line.

Auto Correction Technique of Photography Composition Using ROI Extraction Method (ROI 추출을 통한 사진 구도 자동 보정 기법)

  • Ha, Ho-Saeng;Park, Dae-Hyun;Kim, Yoon
    • Journal of Information Technology and Architecture
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    • v.10 no.1
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    • pp.113-122
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    • 2013
  • In this paper, we propose the method that automatically corrects the composition of a picture stylishly as well as reliably by cropping pictures based on the Rule of Thirds. The region of interest (ROI) is extracted from a picture by applying the Saliency Map and the Image Segmentation technology, the composition of the photo is amended based on this area to satisfy the Rule of Thirds. In addition, since the face region of the person is added to ROI by the Face Detection technique and the composition is amended by the various scenario according to ROI, the little more natural picture is acquired. The experimental result shows that the photo of the corrected composition was naturally amended compared with the original photo.

Association between astigmatism and amblyopia.

  • Sapkota, Kishor;Kim, Douk Hoon
    • Journal of Korean Clinical Health Science
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    • v.10 no.1
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    • pp.1553-1558
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    • 2022
  • Purpose: The aim of this study was to determine the association between stigmatism and amblyopia. Methods: It was a hospital based, cross-sectional retrospective study conducted in Nepal Eye Hospital. Medical record of amblyopic children aged 13 years or younger from were reviewed. Children with amblyopic eyes due to simple astigmatism were included. Relation between depth of amblyopia with magnitude and types of astigmatism, orientation of axis was determined. Out of 139 amblyopic eyes of 82 children, 93 were simple myopic astigmatism and remaining 42 were simple hyperopic astigmatism. Results: Mean age of patients was 7.38±2.61 years. Visual acuity improved by at least one line in Snellen chart in 4/5th of eyes after astigmatic correction. Moderate amblyopia was found to be present in 45% eyes while severe amblyopia in 16% of eyes. With the rule astigmatism was found to be present in 88% eyes. Mean astigmatism was 2.47±0.98D and majority of eyes (67.7%) had high astigmatism. Depth of amblyopia was not associated with magnitude of astigmatism (p > 0.05) but number of lines improved with astigmatic correction was correlated with the magnitude of astigmatism (p < 0.001). Risk of amblyopia is more in high myopic astigmatism. Conclusion: Presenting age of amblyopic children was late in Nepal. Depth of amblyopia was not associated with magnitude of astigmatism.

Deep Learning-Based Outlier Detection and Correction for 3D Pose Estimation (3차원 자세 추정을 위한 딥러닝 기반 이상치 검출 및 보정 기법)

  • Ju, Chan-Yang;Park, Ji-Sung;Lee, Dong-Ho
    • KIPS Transactions on Software and Data Engineering
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    • v.11 no.10
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    • pp.419-426
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    • 2022
  • In this paper, we propose a method to improve the accuracy of 3D human pose estimation model in various move motions. Existing human pose estimation models have some problems of jitter, inversion, swap, miss that cause miss coordinates when estimating human poses. These problems cause low accuracy of pose estimation models to detect exact coordinates of human poses. We propose a method that consists of detection and correction methods to handle with these problems. Deep learning-based outlier detection method detects outlier of human pose coordinates in move motion effectively and rule-based correction method corrects the outlier according to a simple rule. We have shown that the proposed method is effective in various motions with the experiments using 2D golf swing motion data and have shown the possibility of expansion from 2D to 3D coordinates.

Context-sensitive Spelling Error Correction using Eojeol N-gram (어절 N-gram을 이용한 문맥의존 철자오류 교정)

  • Kim, Minho;Kwon, Hyuk-Chul;Choi, Sungki
    • Journal of KIISE
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    • v.41 no.12
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    • pp.1081-1089
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    • 2014
  • Context-sensitive spelling-error correction methods are largely classified into rule-based methods and statistical data-based methods, the latter of which is often preferred in research. Statistical error correction methods consider context-sensitive spelling error problems as word-sense disambiguation problems. The method divides a vocabulary pair, for correction, which consists of a correction target vocabulary and a replacement candidate vocabulary, according to the context. The present paper proposes a method that integrates a word-phrase n-gram model into a conventional model in order to improve the performance of the probability model by using a correction vocabulary pair, which was a result of a previous study performed by this research team. The integrated model suggested in this paper includes a method used to interpolate the probability of a sentence calculated through each model and a method used to apply the models, when both methods are sequentially applied. Both aforementioned types of integrated models exhibit relatively high accuracy and reproducibility when compared to conventional models or to a model that uses only an n-gram.