在执行视觉传感器标定程序中,执行标定程序的命令是
A. .$ rosrun camera _ calibration cameracalibrator . py -- size (×) x ( Y )-- square ( a )/ image :=/ usb _ cam / image _ raw camera :=/ usb _ cam http://wiki.ros.org/camera_calibration/
B. http://wiki.ros.org/camera_calibration/
C. $rosdepinstalcamera_calibration
D. $roslaunchusb_camusb_cam-test.launch