A Kansei Engineering Research on Garden Design Healing Human Spirit

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We always receive "stress" from outside environment. Natural environment have influence of healing to people and house garden is most close to human living. The purposes of the present research are to make clear the garden influence on human brain (EEG). If it is true, our research to find what type of garden design will give human comfort and healing sense from the viewpoint of human brain. The simple and plain garden was found to be very effective for comfort. On the other hand, the complicated garden with a variety of bush is not comfortable on the brain.Secondly, we chose 26 different kansei words like "we have healing feeling", "birds are coming", and 47 different garden pictures from 150 garden pictures. Total number of subjects of students and garden staff jointed to evaluation experiment of garden pictures with 5-point SD scale of kansei words. The evaluated data were analyzed by Factor Analysis and Quantification Theory Type I to obtain the relations between the kansei and garden design elements (Item/Category). Garden design elements mean the parts of trees (higher or lower), stones (large or small), bush, pond, including Japanese type garden or American type. We obtained the detail design specifications related the specific kansei. Using these data, the garden companies are able to create the complete gardens with which the customer will be satisfied.Finally, we tried to create 3dimensional intelligent computer system which is automatically able to draw the 3 dimensional garden using the kansei data. The most important and hard problem in this virtual reality computer system is to illustrate trees and stones and all other item in 3-dimensional structure. We completed to make the intelligent computer system which is able to show the 3-dimensional garden using the kansei data.