camera

Camera

Get camera index with the command ( /dev/video{CAMERA_INDEX} ) :

v4l2-ctl --list-devices

Camera Calibration

In order to run camera calibration use, if no argument are used default argument are in config.py

Command

python -m src.camera.camera_calibration
    [--camera CAMERA]
    [--live LIVE_CALIBRATION]
    [--chessboard-path CHESSBOARD_PATH]
    [--chessboard WIDTH HEIGHT]
    [--output-path OUTPUT_PATH]

For example, run live camera calibration:

python -m src.camera.camera_calibration --camera 0 --live True --chessboard 8 8 --chessboard-path "data/chessboard" --output-path "data/camera"

Otherwise, run camera calibration from saved images

python -m src.camera.camera_calibration --chessboard-path --live False "data/chessboard" --chessboard 8 8 --output-path "data/camera"

Command Options

-h, --help                          show this help message and exit
--camera CAMERA                     Camera index. (default: CAMERA_INDEX in config.py)
--live                              run calibration in live (default: LIVE_CALIBRATION in config.py)
--chessboard-path CHESSBOARD_PATH   Folder path to chessboard files (default: CHESSBOARD_PATH in config.py)
--chessboard WIDTH HEIGHT           Optional chessboard dimensions as (WIDTH, HEIGHT) (default: CHESSBOARD in config.py)
--output-path OUTPUT_PATH           Folder path to save the camera calibration file. (default: CAMERA_PATH in config.py)

Command Configuration

config.py contains the configuration, such as:

# File and Path
DATA_RAW_PATH="data/raw/camera"
DATA_PROCESSED_PATH="data/processed/camera"
DATA_IGNORED_PATH="data/ignored/camera"

# Calibration
CHESSBOARD=(8,6)
CHESSBOARD_PATH=DATA_IGNORED_PATH
CAMERA_PATH=os.path.join( DATA_IGNORED_PATH, "camera.json" )

# Launch Parameters
LIVE_CALIBRATION=True
CAMERA_INDEX=2 # index associated with camera in /dev/video(*)
IMAGE_BASE_NAME="chessboard"
IMAGE_EXTENSION=".jpg"
SHOW_IMAGE=False

Live Calibration