공순이의 블로그

코랩에서 RNN을 만드는데 필요한 텍스트 데이터를 가져오다가 적어봤다. !pip install unidecode # unidecode 패키지 다운로드 import unidecode # Figure1 참고 # 이걸 실행하면 링크와 함께 무슨 authentication code를 넣으라고 칸이 뜬다. # 링크 누르고 계정 엑세스 하는걸 허용해 준 다음 링크를 복사해서 칸에 입력하면 된다. from google.colab import drive drive.mount("/content/drive") # Figure2 참고 # 실행 후에 상위 폴더(파일 아이콘 ..)로 가서 파일을 보면 content 폴더 밑에 drive가 생긴게 보일거다. # 계정 속에 data라는 폴더에서 ~.txt 파일을 불러온다. # /c..

머신러닝 2020. 11. 30. 14:39

Windows do not really distinguish the uppercase and the lowercase for the name of a folder. And the above error happened because I entered the same file with different capitalized words. e.g. RETINA_Analyzer_ROS retina_analyzer_ros ReTiNa_AnAlYzEr_RoS So I had to figure out a way do delete the other two paths, but I could not figure out. So the alternative way was that I get into the launch file..

머신러닝 2020. 7. 17. 15:03

Through the parameter server, you can interact with the server. According to ROS wiki, the parameter server is a shared, multi-variate dictionary that is accessible via network APIs Also, nodes use this server to store and retrieve parameters at runtime. When you type the command: rosparam list You can see the list of the parameters. Also, the below command shows the information about a specific..

머신러닝 2020. 7. 12. 05:54

It is a wrapper for CMakelists

머신러닝 2020. 7. 12. 05:28

echo $ROS_MASTER_URI This shows the web address, IP, and port number. Now enter the following command roslaunch openni_launch openni.launch ROS_MASTER_URL is the address of ros_master process or roscore In fact, you may change this (In .bashrc file, but I would not do that). In the video that I learned, the URI was like below http://10.8.0.1:11311 Sometimes, the above IP part(10.8.0.1) is a host..

머신러닝 2020. 7. 11. 15:46

launch file: XML document that has .launch extension It launches multiple ROS nodes. It specifies which nodes to execute, and their parameters, and what other launch files to include. How to create: 1. Go to catkin_ws/src 2. Create the directory to put .launch file catkin_create_pkg launch 3. Create the file in directory/src echo "blah" > turtlesim_teleop.launch nano turtllesim_teleop.launch 4. ..

머신러닝 2020. 7. 10. 18:40

Open 2 terminals. First terminal: roscore Second terminal: rosrun turtlesim turtlesim_node Then type rosnode info turtlesim You'll be able to see information about this node - Publications/Subscriptions/Services rostopic list rostopic echo [one of the topics on the list] this will show information about turtlesim Reference: https://wiki.ros.org/ROS/Tutorials/UnderstandingNodes

머신러닝 2020. 7. 9. 16:56

1. Navigate to src/[package name]/src 2. Type edit [name].py :wq ':wq' is to save file. 3. I will edit with nano. Type nano [name].py (I named it tutorial.py) 4. Below is the code I typed #! /usr/bin/env python import rospy from std_msgs.msg import String rospy.init_node('tutorial') publisher = rospy.Publisher('/say_hello', String, queue_size=1) rate = rospy.Rate(3) while not rospy.is_shutdown()..

머신러닝 2020. 7. 9. 16:27