ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

karan4515's profile - activity

2021-08-17 07:17:59 -0500 received badge  Nice Question (source)
2017-05-11 04:06:09 -0500 received badge  Notable Question (source)
2017-05-11 04:06:09 -0500 received badge  Popular Question (source)
2017-05-11 04:06:09 -0500 received badge  Famous Question (source)
2015-12-03 05:32:06 -0500 received badge  Necromancer (source)
2015-12-03 05:32:06 -0500 received badge  Teacher (source)
2015-12-03 05:32:01 -0500 received badge  Good Question (source)
2015-08-31 20:14:00 -0500 marked best answer how to increase Acuracy of pocketsphinx

hi everyone i am using pocketsphinx for quite a time now and the accuracy of the model is not satisfactory. can any one please tell me how can i improve the accuracy of pocketsphinx. and also i have indian speaking accent does that also affect to the accuracy of the model

2014-01-28 17:29:22 -0500 marked best answer problems with robot state publisher

i am trying to install robote_state_publisher using the tutorial http://www.ros.org/wiki/robot_state_publisher & installation source https://kforge.ros.org/robotmodel/robot_model but after the installation the node is not appearing any help???? doing it for electric

2014-01-28 17:28:46 -0500 marked best answer recognizes & learns persons and objects

i want my robot to recognize the object and if the object has appear for first time then ask about it and then saves it and next time he comes with the same object he should recognise it and speak up its name stored. pls guide me with the direction. what should i do ?????

2014-01-28 17:28:11 -0500 marked best answer AttributeError

hi i am trying to use the split command so that i can split the voice input but getting an error " AttributeError: 'NoneType' object has no attribute 'split' "

code snippet is

def talkback(self, msg):

command = self.get_command(msg.data)

# Print the recognized words on the screen
rospy.loginfo("Command: " + msg.data)
#rospy.loginfo(msg.data)

#some_str = command
#some_wrd = 'time'

if 'time' in command.split():
    msg.data = strftime("%H:%M:%S ")
    self.soundhandle.say(msg.data, self.voice)
elif 'name' in command.split():
    self.soundhandle.say("my name is atom", self.voice) 
else:
        return
2014-01-28 17:27:12 -0500 marked best answer how to launch a launch file from python code

i am working on voice and i want to launch a file from within my python script what i have tried is

if command == 'that':
        file_path =  "/opt/ros/fuerte/stacks/fuerte_workspace/dynamixel_motor/dynamixel_tutorials/launch/controller_spawner.launch"
        execfile(file_path)

[ERROR] [WallTime: 1346657638.343076] bad callback: <bound method TalkBack.talkback of <__main__.TalkBack instance at 0x9bcca8c>>
Traceback (most recent call last):
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/rospy/topics.py", line 678, in _invoke_callback
    cb(msg)
  File "/opt/ros/fuerte/stacks/fuerte_workspace/pi_speech_tutorial/nodes/talkback.py", line 79, in talkback
    execfile(file_path)
  File "/opt/ros/fuerte/stacks/fuerte_workspace/dynamixel_motor/dynamixel_tutorials/launch/controller_spawner.launch", line 1
    <!-- -*- mode: XML -*- -->
    ^
SyntaxError: invalid syntax

please help

2013-09-30 09:14:52 -0500 marked best answer launch .launch from another launch file

how to open a launch file from another launch file in ros

2013-08-15 06:56:22 -0500 received badge  Famous Question (source)
2013-04-26 05:39:08 -0500 received badge  Notable Question (source)
2013-04-18 03:49:39 -0500 received badge  Notable Question (source)
2013-04-18 03:49:39 -0500 received badge  Famous Question (source)