def __init__(self):
# get which camera we will use
self.camera_index = VN_config.get_integer('camera','index',0)
# get image resolution
self.img_width = VN_config.get_integer('camera','width',640)
self.img_height = VN_config.get_integer('camera','height',480)
# get image center
self.img_center_x = self.img_width / 2
self.img_center_y = self.img_height / 2
# define field of view
self.cam_hfov = VN_config.get_float('camera','horizontal-fov',70.42)
self.cam_vfov = VN_config.get_float('camera','vertical-fov',43.3)
#get camera distortion matrix and intrinsics. Defaults: logitech c920
mtx = np.array([[ 614.01269552,0,315.00073982],
[0,614.43556296,237.14926858],
[0,0,1.0]])
dist = np.array([0.12269303, -0.26618881,0.00129035, 0.00081791,0.17005303])
self.matrix = VN_config.get_array('camera','matrix', mtx)
self.distortion = VN_config.get_array('camera', 'distortion', dist)
self.newcameramtx, self.roi=cv2.getOptimalNewCameraMatrix(self.matrix,self.distortion,(self.img_width,self.img_height),1,(self.img_width,self.img_height))
#create a camera object
self.camera = None
#number of cores available for use
desiredCores = VN_config.get_integer('processing', 'desired_cores', 4)
self.cores_available = min(desiredCores, multiprocessing.cpu_count())
#does the user want to capture images in the background
self.background_capture = VN_config.get_boolean('processing','background_capture', True)
# background image processing variables
self.proc = None # background process object
self.parent_conn = None # parent end of communicatoin pipe
self.img_counter = 0 # num images requested so far
self.is_backgroundCap = False #state variable for background capture
def __init__(self):
#load algorithm constants
#how round a circle needs to be. Perfect circle = 1
self.eccentricity = VN_config.get_float('algorithm', 'eccentricity',
0.6)
#acceptable distance(pixels) between cocentric circle centers
self.distance_threshold = VN_config.get_integer(
'algorithm', 'distance_threshold', 15)
# number of circles needed for a valid target(times 2); 2 circles are often overlayed
self.min_circles = VN_config.get_integer('algorithm', 'min_circls', 5)
#pixels: used to identify repeat circles(stacked circles). Problem caused by findContours()
self.radius_tolerance = VN_config.get_integer('algorithm',
'radius_tolerance', 2)
#Tolerance used in comparing actaul ratios and preceived ratios
self.ratio_tolerance = VN_config.get_float('algorithm',
'ratio_tolerance', 0.015)
#target specific data
#target_code is the unique ratio between rings
target_code_def = np.array([0.8, 0.91, 0.76, 0.84, 0.7, 0.66, 0.49])
self.target_code = VN_config.get_array('algorithm', 'target_code',
target_code_def)
#the outer_ring is a scaling factor for targets of various sizes; radius of outer ring in meters
self.outer_ring = VN_config.get_float('algorithm', 'outer_ring',
0.08255)
#define field of view
self.cam_hfov = VN_config.get_float('camera', 'horizontal-fov', 70.42)
self.cam_vfov = VN_config.get_float('camera', 'vertical-fov', 43.3)\
#define camera size
self.cam_width = VN_config.get_integer('camera', 'width', 640)
self.cam_height = VN_config.get_integer('camera', 'height', 480)
def __init__(self):
#load algorithm constants
#how round a circle needs to be. Perfect circle = 1
self.eccentricity = VN_config.get_float('algorithm', 'eccentricity', 0.6)
#acceptable distance(pixels) between cocentric circle centers
self.distance_threshold = VN_config.get_integer('algorithm','distance_threshold', 15)
# number of circles needed for a valid target(times 2); 2 circles are often overlayed
self.min_circles = VN_config.get_integer('algorithm','min_circls',5)
#pixels: used to identify repeat circles(stacked circles). Problem caused by findContours()
self.radius_tolerance = VN_config.get_integer('algorithm', 'radius_tolerance', 2)
#Tolerance used in comparing actaul ratios and preceived ratios
self.ratio_tolerance = VN_config.get_float('algorithm', 'ratio_tolerance', 0.015)
#target specific data
#target_code is the unique ratio between rings
target_code_def = np.array([0.8,0.91,0.76,0.84,0.7,0.66,0.49])
self.target_code = VN_config.get_array('algorithm', 'target_code',target_code_def)
#the outer_ring is a scaling factor for targets of various sizes; radius of outer ring in meters
self.outer_ring = VN_config.get_float('algorithm', 'outer_ring', 0.08255)
#define field of view
self.cam_hfov = VN_config.get_float('camera', 'horizontal-fov', 70.42)
self.cam_vfov = VN_config.get_float('camera', 'vertical-fov', 43.3)
#define camera size
self.cam_width = VN_config.get_integer('camera', 'width', 640)
self.cam_height = VN_config.get_integer('camera', 'height', 480)
def __init__(self):
# get which camera we will use
self.camera_index = VN_config.get_integer('camera', 'index', 0)
# get image resolution
self.img_width = VN_config.get_integer('camera', 'width', 640)
self.img_height = VN_config.get_integer('camera', 'height', 480)
# get image center
self.img_center_x = self.img_width / 2
self.img_center_y = self.img_height / 2
# define field of view
self.cam_hfov = VN_config.get_float('camera', 'horizontal-fov', 70.42)
self.cam_vfov = VN_config.get_float('camera', 'vertical-fov', 43.3)
#get camera distortion matrix and intrinsics. Defaults: logitech c920
mtx = np.array([[614.01269552, 0, 315.00073982],
[0, 614.43556296, 237.14926858], [0, 0, 1.0]])
dist = np.array(
[0.12269303, -0.26618881, 0.00129035, 0.00081791, 0.17005303])
self.matrix = VN_config.get_array('camera', 'matrix', mtx)
self.distortion = VN_config.get_array('camera', 'distortion', dist)
self.newcameramtx, self.roi = cv2.getOptimalNewCameraMatrix(
self.matrix, self.distortion, (self.img_width, self.img_height), 1,
(self.img_width, self.img_height))
#create a camera object
self.camera = None
#number of cores available for use
desiredCores = VN_config.get_integer('processing', 'desired_cores', 4)
self.cores_available = min(desiredCores, multiprocessing.cpu_count())
#does the user want to capture images in the background
self.background_capture = VN_config.get_boolean(
'processing', 'background_capture', True)
# background image processing variables
self.proc = None # background process object
self.parent_conn = None # parent end of communicatoin pipe
self.img_counter = 0 # num images requested so far
self.is_backgroundCap = False #state variable for background capture
