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推拿療法과 物理治療 중재가 腰痛患者의 痛症 自覺度 및 柔軟性에 미치는 影響
감력,박인기,이용인 충남대학교 체육과학연구소 2006 體育科學硏究誌 Vol.24 No.1
The purpose of this study was to investigate the effects of Tuina massage and physical therapy intervention on pain sense and lumbar flexibility of patients with low back pain Subjects of this study were 20 female adults with low back pain and divided in two groups : Tuina massage group (10 patients) and physical therapy group (10 patients). The flexibility, pain sense were measured in pre experiment, after 8 weeks each The result of this study were as following. 1. There were significant difference among pre, after 8 weeks of Tuina massage and physical therapy intervention in the pain sense 2 There were significant difference among pre, after 8 weeks of Tuina massage and physical therapy intervention in flexibility (bend to the front and flex to the back) In conclusion, Tuina massage intervention and physical therapy intervention had positive effects on pain sense and flexibility for patients with low back pain. I concluded that to reduce patient's pain sense and increase flexibility Tuina massage is better than physical therapy.
A Fast Decision Algorithm for High Efficiency Video Coding
Yong Gan,Xiaorong Zhao,Tianbao Li 보안공학연구지원센터 2016 International Journal of Multimedia and Ubiquitous Vol.11 No.2
Fast mode decision algorithms in video intra coding are very useful and necessary for implementing practical real-time performance of the encoder. It can reduce the computational complexity by excluding impossible modes from candidate set. Anyway, most of these algorithms may give rise to the remarkable quality degradation, especially for the all intra coding scenario. In order to improve the encoding speed while avoiding the quality loss, this paper presents a new algorithm for fast CU size decision and mode decision in HEVC intra coding. First, the size of the coding unit is pre-determined according to judging the coding unit whether has the sub-block whose depth is 3 and analyzing the depth of the adjacent CU. Then a judgment by block-DCT coefficients is made on the texture direction of image block, determining candidate mode set based on the calculated direction and the best prediction mode of the adjacent block, which can reduce the number of candidate mode, thereby reducing the amount of computation to save coding time. The experimental results show that the algorithm provides about 34.6% reduction of intra coding time compared with the latest HM13.0 with negligible loss of PSNR and a little increase of bite-rate.
Multi-owner RFID Tag Ownership Transfer Protocol based on the Chinese Remainder Theorem
Yong Gan,YunQian Xu,Lei He,Feng Xue 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.11
For the security issue of the single tag ownership transfer, this paper proposes a multi-owner RFID Tag ownership transfer protocol based on the Chinese remainder theorem. By using secret sharing scheme, this protocol divides the sharing key into n parts, which then are distributed to n owners. Only when t owners cooperate together, the sharing key will be recovered. Thus, it ensures the tag’s security during the authentication and transformation of the ownership. Under the Linux environment, this protocol was achieved through simulationtest and the experiment data about the calculate time of the tag was got. Then with the number of owners increasing gradually, different results were compared. The result shows that in the protocol, when increasing the owners’ number, the calculate time of tag is in the acceptable range, which is also apply to the low cost tag.
Gan Yong,Yang Zong-qin,He Lei,Du Chao 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.10
As it is known, the researches on ownership transfer issues of RFID tag have focused on a single owner. However in practice, RFID tag may have multiple owners who occupy different weights. To solve the problem, the ownership transfer protocol of multi-owner with different weights based on Lagrange has been proposed. Assuming the key is divided into n parts in this paper, and the owner gets the corresponding sub secret key according to the weight. Then, If and only if the sum of the weights of the owners involved in the restoration of the secret key is equal to or greater than t, the secret key can be obtained, or not. Therefore, security of ownership transition and flexibility in the practical application are enhanced.