Title: Rotating speed measuring method based on rotary blurred image
Application Number: 200610029403 Application Date: 2006.07.27
Publication Number: 1888913 Publication Date: 2007.01.03
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01P3/36;G01P3/00
Applicant(s) Name: Shanghai Jiaotong Univ. Address:
Inventor(s) Name: Wang Shigang;Li Qian;Guan Baiqing
Attorney & Agent: wang tilin wang guizhong
Abstract:
    A rotate speed test method for running illegibility image belongs to computer vision technology field. It gets one frame illegibility image of the object at the even running state in the certain settled time of exposure by CCD image sensor to set up a math model of the movement coordinate conversion about the illegibility image. Distill this frame illegibility image by image character distilling method and get the rotational rotate center. Carry the sector outspread to the rotate illegibility image to get the even speed level movement illegibility image. Set up the illegibility image movement model according to the movement illegibility image and carry frequency spectrum commutation to the movement illegibility image, and get the beeline character position communication of the movement parameter from the frequency region through the transfer image disposal and beeline character distilling method. Arrive at the rotate speed test by using the math relation between image character information and the rotate speed from the frequency spectrum image according to the movement illegibility math model. It has well stability and good test effect.
Time: 10