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udacity-carnd-capstone

This is the project repo for the final project of the Udacity Self-Driving Car Nanodegree: Programming a Real Self-Driving Car.

System Architecture

The following is a system architecture diagram showing the ROS nodes and topics used in the project. architecture

Team BR menbers

Our team(BR) has four members.

Team member name Udacity account email Location
Hironori Nagai - Team Lead [email protected] Japan
Raphaell Maciel de Sousa [email protected] Brazil
Guilherme Bortolaso [email protected] Brazil
James Lee [email protected] USA

Traffic Light Detection

The Traffic light will be detected by a relatively compact ssd_mobilenet_v1_coco_2017_11_17 at high speed. The class ID of the traffic light of this model is 10. After detecting the traffic light, classify the color of the traffic light. A classifier using CNN and FCN was applied. Good results were obtained in Simulator and Real World Testing.

The traffic light detection model is compressed. Please extract it and use it.

cd CarND-Capstone/ros/src/tl_detector/
tar -xvzf ssd_mobilenet_v1_coco_2017_11_17.tar

Waypoint Updater

This node realize to update the target speed characteristic of each waypoint based on traffic signal and obstacle detection data.

DBW (Drive-By-Wire) Node

This node finally calculates throttle, brake, steering angle.

Results

The running scene of the car in the simulator and the signal detection result in the real world are shown below.

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Udacity Information

This is the project repo for the final project of the Udacity Self-Driving Car Nanodegree: Programming a Real Self-Driving Car. For more information about the project, see the project introduction here.

Please use one of the two installation options, either native or docker installation.

Native Installation

  • Be sure that your workstation is running Ubuntu 16.04 Xenial Xerus or Ubuntu 14.04 Trusty Tahir. Ubuntu downloads can be found here.

  • If using a Virtual Machine to install Ubuntu, use the following configuration as minimum:

    • 2 CPU
    • 2 GB system memory
    • 25 GB of free hard drive space

    The Udacity provided virtual machine has ROS and Dataspeed DBW already installed, so you can skip the next two steps if you are using this.

  • Follow these instructions to install ROS

  • Dataspeed DBW

  • Download the Udacity Simulator.

Docker Installation

Install Docker

Build the docker container

docker build . -t capstone

Run the docker file

docker run -p 4567:4567 -v $PWD:/capstone -v /tmp/log:/root/.ros/ --rm -it capstone

Port Forwarding

To set up port forwarding, please refer to the instructions from term 2

Usage

  1. Clone the project repository
git clone https://github.com/udacity/CarND-Capstone.git
  1. Install python dependencies
cd CarND-Capstone
pip install -r requirements.txt
  1. Make and run styx
cd ros
catkin_make
source devel/setup.sh
roslaunch launch/styx.launch
  1. Run the simulator

Real world testing

  1. Download training bag that was recorded on the Udacity self-driving car.
  2. Unzip the file
unzip traffic_light_bag_file.zip
  1. Play the bag file
rosbag play -l traffic_light_bag_file/traffic_light_training.bag
  1. Launch your project in site mode
cd CarND-Capstone/ros
roslaunch launch/site.launch
  1. Confirm that traffic light detection works on real life images

carnd-capstone's People

Contributors

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