符号说明:A,F分别为ccd识别的边界点。BE为黑线点。D为第64点。C为赛道中线交点。f为前瞻(实际距离)。b赛道宽度(这里取45cm)。a为没个像素点间的距离(CM)(理想情况) left,right为ccd采集到的B,E点的坐标点。x为要转的距离(单位为像素点) middle=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif 第一种赛道情况: file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.jpg 则: cos(θ)=BG/BC=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif=CD/x=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif 得x=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image010.gif 情况2:file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image012.jpg 则: cos(θ)=BG/BC=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif=CD/x=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image014.gif 得x=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image016.gif 情况三 file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg 与情况二相同; 说明:1.这里简单列举几种情况。 2.但判断不出是那种情况
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