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다양한 객체가 결합되는 무 손실 압축 강의 콘텐츠 제작기 구현
임창록(Lim chang-rok),강필준(Kang pil-jun),이상엽(Lee sang-yeob) 한국콘텐츠학회 2010 한국콘텐츠학회 종합학술대회 논문집 Vol.2010 No.5
동영상, 음악, 카메라영상, 음성 등 다양한 객체를 결합하는 강의 제작기는 강의 콘텐츠 제작에 유용하다. 본 프로그램은 다양한 객체를 결합하여 무 손실 압축 처리한 강의 콘텐츠를 제작한다. 결과물로서 음성/영상/인덱스의 3가지 종류의 파일이 생성된다. 인덱스파일은 영상 정보, 영상 파일 구성정보, 음성정보, 음성파일 구성정보를 가지며 음성파일은 각 객체의 음성만을 interpolation 처리 후 하나의 데이터로서 혼합한 결과물이다. 영상 파일은 영상 정보만을 결합한 뒤 wavelet, motion estimation, 사전코드 방식과 huffmancode 방식을 혼합한 방식을 응용한 무 손실 압축 영상데이터 이다.
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하시모토 갑상선염을 동반한 갑상선 결절 환자의 임상적 특징
임창록(Chang Rock Lim),배학연(Hak Yeon Bae),조현진(Hyun Jin Cho),김권천(Kweon Cheon Kim) 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.75 No.3
Purpose: This study investigated the clinical features of patients with thyroid nodule combined with Hashimoto’s thyroiditis, and the latter was incidentally detected after surgery. Methods: The authors retrospectively evaluated 43 patients who were diagnosed with Hashimoto’s thyroiditis after thyroidectomy between January 2001 and December 2006 at Chosun University Hospital. Results: All patients underwent ultrasonography for the diagnosis of thyroid nodules. Ultrasonography revealed 16 calcified nodules with ill-defined margins, and these nodules were suspicious for malignancy. On performing preoperative fine needle aspiration, 37 cases were suspicious for malignancy or they were diagnosed as malignancies. All the thyroid nodules were taken for frozen section examination during surgery. On the frozen sections, 19 cases that were suspicious for malignant tumors underwent near total or total thyroidectomy along with central lymph node dissection, whereas 24 cases that were diagnosed as benign tumors underwent near total thyroidectomy or thyroid lobectomy. Based on the histopathological findings, 21 cases were diagnosed as Hashimoto’s thyroiditis associated with papillary cancer; the nodules of these 21 cases were on average 0.75 ㎝, Twenty two cases were diagnosed as Hashimoto’s thyroiditis associated with benign tumors, and the nodules of these cases measured on average 1.6 ㎝. Conclusion: Hashimoto’s thyroiditis may present with a variety of clinical features, atypical ultrasonographic findings and a high false positive rate on fine needle aspiration. For the cases where Hashimoto’s thyroiditis is suspected before surgery, serum antibody tests, ultrasonography and fine needle aspiration should be performed for making the accurate diagnosis of Hashimoto’s thyroiditis. For the cases of suspicious malignant tumors, frozen section examination should be performed during surgery to decide on the correct operative procedure.
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Immune Disorders and Its Correlation with Gut Microbiome
황지선,임신혁,임창록 대한면역학회 2012 Immune Network Vol.12 No.4
Allergic disorders such as atopic dermatitis and asthma are common hyper-immune disorders in industrialized countries. Along with genetic association, environmental factors and gut microbiota have been suggested as major triggering factors for the development of atopic dermatitis. Numerous studies support the association of hygiene hypothesis in allergic immune disorders that a lack of early childhood exposure to diverse microorganism increases susceptibility to allergic diseases. Among the symbiotic microorganisms (e.g. gut flora or probiotics), probiotics confer health benefits through multiple action mechanisms including modification of immune response in gut associated lymphoid tissue (GALT). Although many human clinical trials and mouse studies demonstrated the beneficial effects of probiotics in diverse immune disorders, this effect is strain specific and needs to apply specific probiotics for specific allergic diseases. Herein,we briefly review the diverse functions and regulation mechanisms of probiotics in diverse disorders.
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