| Today, the development of science and technology is progressing by leaps and bounds in the world, especially in boundary science. Along with the raise of people's living standard, people lay stress on the healthy question of self more further. Therefore recovery medical science got the development has never existed before, and the emergence of foot rectification implement is one of rich fruits of recovery medical science.The foot rectification implement can lighten the function obstacle of thenar skeleton and muscle system, and be used to correct and cure various illness of foot, such as the inflammation, deformity and instability of ankle joint and astragalus, as well as flatfoot, valgus, horse's hoof foot and pes arcuatus etc. Besides disabled person, the foot illness of the old people especially the old women have become one kind of frequently-occurring and common disease along with the continuous improvement of people's life quality and the increasing aging of population in our country. The rehabilitation of this disease is extremely urgent.The foot rectification implement of western advanced country starts earlier, and the technology is mature at present. Today, countries such as Germany, the United States, Canada and Sweden etc all have the commerce system to sell, but expensive. Our country starts later, in addition patient is more, therefore developing a sort of designing system of that possesses the intimate intellectual property rights is very necessary.To obtain the information of thenar is indispensable for the production of foot rectification implement, and this is the work that the input equipment will do. Generally the input equipment can procure the thenar information by three kinds of methods: scanner, dynamometry board and video camera. The former two kinds of methods are applied widely at present, but the application of video camera is less, and this is just the method researched in this paper.This paper studies to get the image of thenar by using a video camera, and carries on the necessary image processing by software with the information captured, and gets the ideal image to provide the image data basis for follow-up CAD after the processing such as median filtering, Sobel or Kirsch's operator edge detection, image reversal and image enhancement etc.In this paper, the pressed image information of thenar captured by camera have been carried on processing and analyzing, and the result has been compared with that of image acquired by the scanner. From the result, we see that inputting an image by video camera is one kind of simple and practical input method, and can satisfy the design requirement very well. |
