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In this paper we present a new visual approach for the robust bin-picking in a two-step concept for a vision driven automatic handling robot. The technology described here is based on two types of sensors: 3D laser scanner and CCD video camera. The geometry and pose(position and orientation) information of bin contents was reconstructed from the camera and laser sensor, these information can be employed to guide the robotic arm. A new thinning algorithm and constrained hough transform method is also explained in this paper. Consequently, the developed bin-picking demonstrate the successful operation with 3D hole object.
This study aims to investigate what types of airlines` SST are exisitng and examine the effect of SSTQUAL for airlines on customer satisfaction and behavioral intention. Total of 197 samples were finally collected from the people who have experienced using airline website, ARS, kiosk and mobile applications so on. SSTQUAL for airlines were classified into security, functionality, ease of use, usefulness and customer satisfaction, reuse intention and word-of-mouth were composed of single dimension. Results of the study can be briefly summarized as follows. First, airlines` SSTQUAL such as security, functionality, ease of use, usefulness turned out to have significant influence on customer satisfaction. Second, custmer satisfaction had a significant influence on reuse intention and word of mouth. Third, reuse intention on airlines` SST had a significant influence on word-of-mouth. In conclusion, customer satisfaction which can affect reuse intention and word-of-mouth positively can be enhanced by increasing security, functionality, ease of use, usefulness of airlines` SST.
Recently, the in-line vision inspection has become the subject of growing research area in the visual control systems and robotic intelligent fields that are required exact three-dimensional pose. The objective of this article is to study the pc based in line visual inspection with the hand-eye structure. This paper suggests three dimensional structured light measuring principle and design method of laser sensor header. The hand-eye laser sensor have been studied for a long time. However, it is very difficult to perform kinematical analysis between laser sensor and robot because the complicated mathematical process are needed for the real environments. In this problem, this paper will propose auto-calibration concept. The detail process of this methodology will be described. A new thinning algorithm and constrained hough transform method is also explained in this paper. Consequently, the developed in-line inspection module demonstrate the successful operation with hole, gap, width or V edge.
박찬미 ( Chan Mi Park ),장선미 ( Sun Mee Jang ),장수현 ( Su Hyun Jang ),하용찬 ( Yong Chan Ha ),이영균 ( Young Kyun Lee ),윤현구 ( Hyun Koo Yoon ),신찬수 ( Chan Soo Shin ),김덕윤 ( Deog Yoon Kim ),이성수 ( Seong Su Lee ),최형진 ( 대한고관절학회 2010 Hip and Pelvis Vol.22 No.4
Purpose: The aim of this study was to develop and validate identification criteria for the cases of osteoporotic hip fracture using the National Health Insurance Database, and we calculated the incidence rate of osteoporotic hip fracture in the Korean population using these criteria. Materials and Methods: The criteria to identify osteoporotic hip fracture using a diagnosis code, a procedure code, the type and number of medical service usages and the patients` ages were developed via discussions among experts. These criteria were validated by using a hip fracture cohort in which all the genuine osteoporotic hip fracture patients in the Jeju area were identified by reviewing the registered medical records and radiographs. By applying the identification criteria to the National Health Insurance Database that was accumulated until June 2009, we calculated the incidence rate of osteoporotic hip fracture in patients between 50 and 100 years of age in 2008. Results: The identification criteria had a sensitivity of 93.1% and a positive predictive value of 77.4%. A total of 20,432 osteoporotic hip fracture cases were identified in 2008, and the incidence rate was 15.7 cases per 10,000 persons. The osteoporotic hip fracture incidence rate for females was 20.7 (per 10,000persons), and this was 2.1 times higher than that for the males (9.8case per 10,000persons), and the rates were increased with age. Conclusion: The incidence of osteoporotic hip fracture that occurred on a nationwide scale can be more precisely estimated by using the National Health Insurance Database with its comprehensive information on the overall details of treatment as well as the diagnosis codes, and so the incidence of osteoporotic hip fracture can be reliably calculated for each year. The results from this research could be used as evidence in a hip fracture management plan for establishing Korean Health policy. 목적: 건강보험데이터베이스를 이용하여 전국적 규모의 골다공증성 고관절 골절 발생을 파악할 수 있는 기준을 정의하고 그 타당성을 평가한다. 또한 설정된 기준을 이용하여 골다공증성 고관절 골절의 발생률을 산출한다. 대상 및 방법: 골다공증성 고관절 골절의 발생률을 조사하기 위해 건강보험데이터베이스에서 ICD-10 코드를 이용한 진단명. 시술내역 등을 활용하여 골다공증성 고관절 골절의 식별기준을 개발하였다. 또한, 제주지역 전체를 대상으로 의무기록과 방사선사진을 검토하여 확인된 진성 골다공증성 고관절 골절 코호트를 이용하여 개발된 식별기준의 타당성을 평가하였다. 식별기준의 타당도는 민감도와 양성예측도로 평가하였다. 식별기준을 적용하여 2008년 50세 이상의 골다공증성 고관절 골절의 발생률을 산출하였다. 결과: 골다공증성 고관절 골절에 대한 식별기준의 민감도는 93.1%, 양성예측도는 77.4% 였다. 2008년도 골다공증성 고관절 골절은 총 20,432건으로, 인구 1만명당 15.7건이 발생한 것으로 나타났다. 결론: 본 연구에서 개발한 식별기준은 향후 골다공증성 고관절 골절의 전국적 발생 규모의 추정을 위한 기초 자료가 되며, 이러한 결과는 고관절 골절 관리에 대한 정책방안을 수립하는데 근거자료로 활용될 수 있다.
이인정 ( In Jung Lee ),이철구 ( Chul Gu Lee ),최희락 ( Hee Lak Choi ),허성남 ( Seong Nam Heo ),윤종수 ( Jong Soo Yoon ),신찬기 ( Chan Ki Shin ),이재관 ( Jae Guan Lee ),이재정 ( Jae Jung Lee ),박혜경 ( Hae Kyung Park ) 한국물환경학회 2009 한국물환경학회·대한상하수도학회 공동 춘계학술발표회 Vol.2009 No.-