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Implementation and Experiments about Credit-Based End-to-End Flow Control in Network-on-Chip
Seongmin Noh,Daehyun Kim,Hae-Wook Choi 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
Network-on-Chip is an alternative paradigm to improve communication bandwidth compared to bus-based communication, and its performance degrades if there is no effective flow control method., In this paper, a credit-based end-to-end flow control (CB-EEFC) is implemented to control the network latency at high traffic loads. Simulation in mesh networks shows improved performance in latency and 0.5% ~ 3% saturated throughput decrease with the CBEEFC method. Also, network interface using CB-EEFC brings about a 31.4% increase in complexity compared to a network interface without CB-EEFC.
( Seongmin Noh ),( Miri Kim ),( Chang Ook Park ),( Seung Kyung Hann ),( Sang Ho Oh ) 대한피부과학회 2013 Annals of Dermatology Vol.25 No.4
Background: Vitiligo and atopic dermatitis (AD) are common dermatological disorders which may cause significant psychological and social distress leading to impaired quality of life (QoL) in patients. Objective: We evaluated the degree of psychological stress and impairment of QoL in vitiligo patients as compared with AD patients and normal controls (NCs). Methods: A total of 60 patients from each group and 60 NCs were enrolled. Five questionnaires on depression (Beck depression inventory, BDI), state anxiety (SA) and trait anxiety (TA), interaction anxiousness (IAS), private body consciousness (PBC) and dermatologic QoL were used. Results: The vitiligo patients had a significantly higher level of TA (p<0.01), PBC (p<0.001) and impaired QoL (p< 0.001) than NCs, but not BDI, SA and IAS. The AD patients had significantly higher scores for all five questionnaire items compared with NCs. In the comparison between the AD and vitiligo groups, all of the indexes except body consciousness were higher in AD patients than in vitiligo patients: BDI (p< 0.01), SA (p<0.05), TA (p<0.001), IAS (p<0.01) and impaired QoL (p<0.001). Exposure of vitiligo lesions was not a significant variable in the analysis of the contribution of clinical variables of vitiligo on psychological stress and QoL. Conclusion: Vitiligo, which is not accompanied by any symptoms, involves less psychological impact than AD, which is accompanied by itching. Compared to NCs, however, the elevated general anxiety and body consciousness in patients with vitiligo suggests that they may be more concerned with the aggravation of hypopigmented patches than difficulties in social interactions. (Ann Dermatol 25(4) 454∼461, 2013)
Cutaneous Schwannoma Presented as a Pedunculated Protruding Mass
Seongmin Noh,Jeong Eun Do,Jin Mo Park,Hyunjoong Jee,오상호 대한피부과학회 2011 Annals of Dermatology Vol.23 No.-
Schwannoma is a benign neoplasm of the nerve sheath origin. It arises from the nerve sheath of large peripheral or cranial nerves and occurs at the level of the subcutaneous fat layer or deeper layer. Cutaneous schwannoma occurs more superficially and usually presents as a solitary dermal or subcutaneous nodule. We describe a case of cutaneous schwannoma that presented as an erythematous pedunculated protruding mass on the left flank of a 19-year-old female. It was clinically diagnosed as a granuloma pyogenicum. Shaving biopsy was conducted and histological examination revealed an encapsulated tumor mass containing dense, spindle-shaped cells whose nuclei are arranged back to back representing Verocay body, and a diagnosis of schwannoma was made. This is an unusual case of cutaneous schwannoma that presented as a pedunculated protruding mass. (Ann Dermatol 23(S2) S264∼S266, 2011)
Folliculosebaceous Cystic Hamartoma in a Patient with Neurofibromatosis Type I
Seongmin Noh,Ji Eun Kwon,Kwang Gil Lee,노미령,이은소,김유찬 대한피부과학회 2011 Annals of Dermatology Vol.23 No.-
Folliculosebaceous cystic hamartoma (FSCH) is a rare cutaneous hamartoma composed of dilated folliculosebaceous units and mesenchymal elements. It presents as a papule or nodule usually on the face and scalp, rarely on the genital or trunk area. Histologically, FSCH shares several similar features to sebaceous trichofolliculoma. We report one case of FSCH misdiagnosed as a neurofibroma. He was a 38-year-old man with a neurofibromatosis type I and a nodule on his left earlobe was excised under the impression of neurofibroma. Pathological examination revealed FSCH. Although FSCH is clinically not distinctive, awareness of the lesion is important to differentiate papulonodular or cyst-like cutaneous lesions. (Ann Dermatol 23(S2) S185∼S187,2011)
Elevated Galectin-10 Expression of IL-22-Producing T Cells in Patients with Atopic Dermatitis
Noh, Seongmin,Jin, Shan,Park, Chang Ook,Lee, Yun Sun,Lee, Nara,Lee, Jungsoo,Shin, Jung U.,Kim, Seo Hyeong,Yun, Ki Na,Kim, Jin Young,Lee, Kwang Hoon Elsevier 2016 The Journal of investigative dermatology Vol.136 No.1
Latanoprost 사용 후 임상적 호전을 보인 백반증 3예
노성민 ( Seongmin Noh ),김태균 ( Tae Gyun Kim ),오상호 ( Sang Ho Oh ) 대한피부과학회 2010 大韓皮膚科學會誌 Vol.48 No.4
Vitiligo, which is characterized by depigmentation of skin and mucosa is a common skin disease, affecting 1-4 % of population. Although the pathogenesis is not clear, the basic defect lies in a decrease or absence of melanocytes. Vitiligo causes cosmetic disfiguration and exerts negative effects on quality of life. Phototherapy and topical agents such as corticosteroids, calcineurin inhibitors, and vitamin-D derivatives are basic treatment modalities. Recently, prostaglandin analogues have been reported to be effective on pigmentation of vitiligo lesions. We present three patients with periorbital vitiligo, who did not respond to established treatments such as tacrolimus and excimer laser, responding to application of latanoprost, a prostaglandin F2α analogue. (Korean J Dermatol 2010;48(4):350~353)