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2013-06-02 21:47:13 -0500 asked a question Problem changing face_recognize package parameter

I follow the procedure in face_recognition wiki page,and successful run the Fserver and Fclient. But It can't recognize my face ,It seem confidence_value set to 0.88 is too high for my camera, so I want to change the parameter. Since I can't see confidence_value parameter using "rosparam list". I want to know how can I change the confidence_value parameter. And I notice that in wiki page, parameter name always will has a prefix ~,but face_recognize parameter do not have one. is this make the different.

2013-06-02 21:44:10 -0500 asked a question Problem using face_recognition package, can't change parameter

I follow the procedure in face_recognition wiki page,and successful run the Fserver and Fclient. But It can't recognize my face ,It seem confidence_value set to 0.88 is too high for my camera, so I want to change the parameter. Since I can't see confidence_value parameter using "rosparam list". I want to know how can I change the confidence_value parameter. And I notice that in wiki page, parameter name always will has a prefix ~,but face_recognize parameter do not have one. is this make the different.

2013-05-20 08:24:10 -0500 received badge  Popular Question (source)
2013-05-06 23:14:37 -0500 asked a question Cross compile some nodes for friendly arm mini2440

Hi! I have a small robot build on friendly arm mini2440 which have Wireless LAN.Now I want to build some driver nodes on it so that it can communicate with roscore. And send some sensor data use some topics.And controlled by provide some services. Now, I am using my nodes on PC to communicate with the robot using TCP,and then get data and control robot. Can't I just build this nodes using ROS on my Ubuntu12.04, or I should cross compile the whole ROS using the cross compile tool chain, and then cross my nodes.

2013-05-06 23:10:47 -0500 asked a question Cross compile some nodes for friendly arm mini2440

Hi! I have a small robot build on friendly arm mini2440 which have Wireless LAN.Now I want to build some driver nodes on it so that it can communicate with roscore. And send some sensor data use some topics.And controlled by provide some services. Now, I am using my nodes on PC to communicate with the robot using TCP,and then get data and control robot. Can't I just build this nodes using ROS on my Ubuntu12.04, or I should cross compile the whole ROS using the cross compile tool chain, and then cross my nodes.