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전체 선택해제
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본문검색 결과만 보기
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율-왜곡 기반 선택적 분산 비디오 부호화 기법
이병탁, 김재곤, 김진수, 서광덕, Lee. Byung-Tak, Kim. Jae-Gon, Kim. Jin-Soo, Seo. Kwang-Deok 한국방송공학회 방송공학회논문지 10 Pages
한국방송공학회 방송공학회논문지 2011, Vol.16 No.1 123-132 (10 pages)
본 논문에서는 DVC의 부호화 성능 개선을 위한 율-왜곡(Rate-Distortion) 기반의 영역별 선택적 블록 부호화 기법을 제안한다. 제안 기법은 복호기에서 보조정보를 얻는 과정에서 얻어지는 움직임 벡터가 부호기로 피드백 되는 경우, 이를 이용하여 움직임 보상 예측 신호를 구하고 율-왜곡 기반으로 블록 단위로 선택적 블록 부호화를 수행한다. 모의실험을 통하여 본 논문에서 제안한 움직임 정보 피드백을 이용한 율-왜곡 기반의 선택적 블록 부호화 기법이 기존의 DVC 부호화 기법에 비해 시퀀스에 따라 최대 약 2.2 dB의 PSNR 성능... -
Development of Recombinant Coat Protein Antibody Based IC-RT-PCR and Comparison of its Sensitivity with Other Immunoassays for the Detection of Papaya Ringspot Virus Isolates from India
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 1호 4 25-31 (7 pages)
Papaya ringspot virus (PRSV) causes the most widespread and devastating disease in papaya. Isolates of PRSV originating from different geographical regions in south India were collected and maintained on natural host papaya. The entire coat protein (CP) gene of Papaya ringspot virus-P biotype (PRSV-P) was amplified by RTPCR. The amplicon was inserted into pGEM-T vector, sequenced and sub cloned into a bacterial expression vector pRSET-A using a directional cloning strategy. The PRSV coat protein... -
The Effect on a Weight-Control Belief and Weight Index Applying to Rational Emotive Behavior Program for Overweight Adolescents
박충선 한국보건기초의학회 한국보건기초의학회지 9 Pages
한국보건기초의학회 한국보건기초의학회지 2010, Vol.3 No.1 6 40-48 (9 pages)
For the purpose of weight-loss of overweight adolescents, subjects were divided into the experimental and control group. For the two groups, 48 students, among a total of 520 second-grade students in a girls’ high school in M city. Data in this study were collected during a period of 4 months from March to June, 2008. The collected data were statistically processed by SAS Package program and analyzed with wilcoxon two-sample test and ANOVA. The results are as follows: 1) There was no... -
An Optimal Selection of Frame Skip and Spatial Quantization for Low Bit Rate Video Coding
Bu. So-Young, Lee. Byung-Uk 한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 통신이론 및 시스템 6 Pages
한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 통신이론 및 시스템 2004, Vol.29 842-847 (6 pages)
본 논문에서는 낮은 전송률에서 공간적 시간적 해상도를 tradeoff하는 새로운 비디오 코딩 알고리듬을 제안한다. 먼저 영상의 움직임을 측정하여 최적의 frame rate를 선택한다. DCT quantization parameter (QP)는 앞에서 결정된 frame rate와 주어진 bit rate에 따라 결정한다. 마지막으로, 본 논문은 skip된 비디오 영상에 대해 단순하고 효과적인 distortion 측정방법을 제안한다. 실험결과, 제안한 알고리듬이 H.263 TMN5 보다 영상 품질이 2 ㏈ 정도 개선되었다. -
Effect of Stimulus Rate and Gender on Auditory Brainstem Response in Korean Young Adults
Chul-Hee Choi, Ki-Hyeon Jang, Seong Hee Choi 한국청각언어재활학회 Audiology and Speech Research 16 Pages
한국청각언어재활학회 Audiology and Speech Research 2015, 제 11권 제 2호 5 140-155 (16 pages)
The main objective of this study was to determine the effect of stimulus rate and gender on auditory brainstem response (ABR) latency and amplitude in Korean young adults. A total of thirty young adults consisting of fifteen males and fifteen females participated in the study. We performed this study by analyzing the latencies and amplitudes of ABR wave I, Ⅲ, and V as a function of low stimulus rate and gender. The stimulus repetition rate was changed in five steps: 8, 16, 21, 32, and 64/s.... -
Mechanical and thermal properties of MWCNT-reinforced epoxy nanocomposites by vacuum assisted resin transfer molding
Si-Eun Lee, Seho Cho, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.1 4 32-37 (6 pages)
Multi-walled carbon nanotube (MWCNT)/epoxy composites are prepared by a vacuum assisted resin transfer molding (VARTM) method. The mechanical properties, fracture surface morphologies, and thermal stabilities of these nanocomposites are evaluated for epoxy resins with various amounts of MWCNTs. Composites consisting of different amounts of MWCNTs displayed an increase of the work of adhesion between the MWCNTs and the matrix, which improved both the tensile and impact strengths of the... -
Deep anterior lamellar keratoplasty of dog eyes using the big-bubble technique
Soohyun Kim, Ji Yoon Kwak, Manbok Jeong, Kangmoon Seo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 3호 11 347-352 (6 pages)
This study was conducted to establish the feasibility of corneal transplantation using the big-bubble technique (BBT) to perform deep anterior lamellar keratoplasty (DALK) in three dogs. After the cornea was trephined 750 ?m, 4 mL of air was injected, and the blanched stroma was removed to expose Descemet’s membrane (DM). The donor corneal button, which was gently stripped off the DM, was sutured onto the bare DM of the recipient cornea. The dogs received topical antibiotics every 6 h for 7... -
Mechanisms of Motility Change on Trinitrobenzenesulfonic Acid- Induced Colonic Inflammation in Mice
GabJinCheon, YuanCui, Dong-SooYeon, Seong-ChunKwon, Byong-GonPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 10 437-446 (10 pages)
Ulcerative colitis is an inflammatory bowel disease (IBD) characterized by recurrent episodes of colonic inflammation and tissue degeneration in human or animal models. The contractile force generated by the smooth muscle is significantly attenuated, resulting in altered motility leading to diarrhea or constipation in IBD. The aim of this study is to clarify the altered contractility of circular and longitudinal smooth muscle layers in proximal colon of trinitrobenzen sulfonic acid...
