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하악 무치악 환자에서 Parallel guide KIT<sup>®</sup>를 이용한 임플란트 식립 및 Locator 어태치먼트를 이용한 임플란트 피개의치 수복증례
김혜란,김준엽,양홍서,박상원,임현필,윤귀덕,박찬,신진호,Kim, Hyeran,Kim, Jun-Yup,Yang, Hong-Seo,Park, Sang-Won,Lim, Hyun-Pil,Yun, Kwi-Dug,Park, Chan,Shin, Jin-Ho 대한턱관절교합학회 2017 구강회복응용과학지 Vol.33 No.1
무치악 환자를 수복할 때 임플란트 피개의치를 이용한 치료법은 전통적인 총의치의 문제점인 저작시 동통, 의치의 부족한 유지와 안정을 포함하는 기능저하 문제 등을 해결할 수 있는 방법이다. $Locator^{(R)}$ (Zest Anchors LLC, Espandido, USA) 어태치먼트는 임플란트 피개의치에 사용되는 어태치먼트 중 수직적으로 필요한 공간이 가장 적고, 나일론 부품에 따라 유지력 조절이 용이하다. 하지만 Ball이나 Bar에 비해 기능시 부품의 마모로 유지력이 빠르게 감소하는 특징이 있어 가급적 임플란트 간 각도가 최소가 되도록 식립하려는 노력이 필요하다. Overdenture using dental implants could improve the problems of conventional complete denture function which are pain during mastication, insufficient retention and stability. Locator attachment used widely for implant-retained overdenture has advantages that it needs the smallest vertical space and also its nylon male cap allows personalized retention for each case. However its retention force decreases rapidly with function rather than the bar and ball attachment. So, implant fixture should be positioned as parallel as possible.
김혜란,정여진,임창훈,임혜숙,Kim Hyeran,Jung Yeojin,Yim Changhun,Lim Hyesook 한국통신학회 2005 韓國通信學會論文誌 Vol.30 No.5C
허프만 코드는 영상이나 비디오 전송뿐만 아니라 여러 분야에서 광범위하게 사용되고 있는 데이터 압축 알고리즘으로서, 실시간 데이터의 양이 증가함에 따라 효율적인 디코딩 알고리즘에 관한 많은 연구가 진행되고 있다. 본 논문에서는 호프만 디코딩을 위해 균형 트리를 형성하여 효율적인 이진 검색을 수행하는 구조를 제안하고 타 구조와의 성능을 비교하였다. 제안하는 구조는 길이가 다른 코드워드 간의 크기 비교를 가능하게 하는 정의를 사용하여 비어있는 내부 노드를 포함하지 않는 완전 균형 트리를 구성하므로, 디코딩 테이블을 위해 필요로 하는 메모리의 크기에 있어 매우 우수한 구조이다. 실제 영상 데이터를 사용하여 실험한 결과, 256개의 심볼 set에 대해 제안하는 구조는 매우 적은 수의 테이블 엔트리를 요구하며, 디코딩 성능은 최소 1번, 최대 5번, 평균 2.41번의 메모리 접근을 소요함을 보았다. Huffman codes are widely used for image and video data transmission. As the increase of real-time data, a lot of studies on effective decoding algorithms and architectures have been done. In this paper, we proposed a balanced binary search tree for Huffman decoding and compared the performance of the proposed architecture with that of previous works. Based on definitions of the comparison of codewords with different lengths, the proposed architecture constructs a balanced binary tree which does not include empty internal nodes, and hence it is very efficient in the memory requirement. Performance evaluation results using actual image data show that the proposed architecture requires small number of table entries, and the decoding time is 1, 5, and 2.41 memory accesses in minimum, maximum, and average, respectively.
김혜란(Kim Hyeran) 한국슬라브유라시아학회 2019 슬라브학보 Vol.34 No.3
“Whoever invents new endings for plays will open a new era.” In the letter to Suvorin in 4 June 1892 Anton Chekhov wrote that and declared not to write a play before inventing catchy ending without marriage and shooting. 3 years after Chekhov completed The Seagull and wrote to Suvorin again, “I began it forte and finished it pianissimo – against all the rules of dramatic art.” This paper studies endings of four later plays (The Seagull, Uncle Vanya, Three Sisters, The Cherry Orchard), as results of efforts to devise ingenious endings for new forms in the theatre and signs of masterpieces of modern drama. Endings of the later four plays have some similar motives reminding of each other and some such interpretive problems. This study focuses on pianissimo endings without conventional denouement and the meaning of recurring motives of Chekhov’s major four plays: patience, resignation, reward after death and possibility of knowing the sufferings in this world and comedy as expression of author’s love of life and optimism. It would be not just a formal examination of the new endings that Chekhov devised but consideration on Chekhov’s thoughts on life.
지역의 정체성 개발을 위한 아이덴티티 컬러 구축 및 제안
김혜란(Kim, HyeRan),최종석(Choi, JongSuk) 한국색채학회 2016 한국색채학회 논문집 Vol.30 No.4
The purpose of this study is to propose new methodology that anybody can use for establishing image available for representing a region as the identity colors with which many citizens can sympathize. A research is progressed by dividing it largely into two stages in order to construct identity colors using the color image scale of regional image adjectives. Stage 1 extracted image adjectives from the region, by using the previous study that had been surveyed of Daejeon identity adjectives. The research extracted the colors from I.R.I color image scale, that fits the adjectives that are extracted in advance. At last, the study had the adjectives and the colors matched respectively. Stage 2 was confirmed reliability in a matching outcome by carrying out a citizen survey on correlation between the corresponding adjectives and the matched colors. As a result of the final analysis based on the questionnaire outcome, the image adjectives of representing Daejeon was selected "cutting-edge". The identity colors in Daejeon was chosen 5B 5/10, 5GY 8/8 based on KS standard color. In consequence of having additionally conducted the questionnaire survey in order to grasp whether or not citizens" agreement to the result of selection, 61% of those gave the response as saying of agreeing to the outcome. The suggestion of methodology that anybody can utilize leads to allowing even non-experts to be capable of getting easy access given implementing the regional identity colors and further to being built the foundation of establishing regional identity, resulting in being available for managing the unified identity by region.