field-to-field survey
1.According to field-survey and variety classification documents of "Chimonanthus praelox", more than 10 varieties of wintersweet for cut flower Production were selected from 30 varieties under the comprehensive consideration of both marketing and ornamental characteristics which was evaluated using the method of analytic hierchy process(AHP).
2.The paper introduced the definition and sort and field arrangement and remote monitoring of field sensor (a new combination of remote monitor and control and network and sensor). then tried to make use of transfer image to reconstruct tree diameter at breast height through stereo vision, the result was fairy well to realize measure diameter without field survey.

