Subjective evaluation of a seal robot was conducted in exhibitions that were held in seven different countries: Japan, the UK, Sweden, Italy, South Korea, Brunei and the US. Surveys were administered to the visitors after interaction with the robot. To explore the differences among people's evaluations of the robot in the seven countries, statistical analysis was conducted in the data set obtained from over 1400 respondents. The subjective evaluation provided high scores on the whole, and the factors 'comfortable feeling like interacting with real animals' and 'favorable impression to encourage interaction' were extracted. The results showed that people in the UK, Sweden and Italy evaluated the robot highly in the first factor, and people in Japan and South Korea evaluated it highly in the second factor. We considered that the subjective evaluation of the seal robot was influenced by cultural differences of relationships with animals.
Balanced sequence, three-dimensional fast imaging employ steady state acquisition (3D-FIESTA) as an example, was often used for colangiopancretography and aortagraphy in the chest and the aorta, and venography in the extremity and other body parts, because this had the high signal to noise ratio and the short acquisition time. 3D-coherent oscillatory state acquisition for the manipulation of image contrast (COSMIC) developed recently is a sequence thought about based on 3D-FIESTA. We investigated the basic property of 3D-COSMIC compared with 3D-FIESTA in phantom and volunteer scan image study. At result, 3D-COSMIC was superior to 3D-FIESTA at signal to noise ratio and contrast on phantom image, contrast and visual evaluation on volunteer scan image of detection of tissue on spinal region. 3D-COSMIC was useful sequence in spinal region.
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