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config.yaml
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config.yaml
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###### File path related
'base_dir': "" #The path of directory including img,pcd,out folders.
###### Parameters for corner detection from images
'image_res': (4000,8000) #image resolution for panoramic image only
'backend': 'matlab' #backend of detecting corners from the image, "matlab" or "opencv"
'output_img_with_dectected_corners': True #output the image with detected corners
'back_proj_corners': True #back-project the detected corners of the point cloud to the images
'camera_type': 'perspective' #camera model: 'panoramic' or 'perspective'
'instrinsic_para': (166.87739756, 0., 311.29512622, 0., 334.91696616, 781.89612824, 0., 0., 1.)
# intrinsic parameters are necessary for perspective cameras (1,2,3,4,5,6,7,8,9)→ [1,2,3
# 4,5,6
# 7,8,9]
###### Parameters for segmenting the point cloud
'file_name_digits': 4 #filename format
'LiDAR_type': 'hdl32' # available choices 'vlp16_puck', 'hdl32', 'hdl64'
'laser_beams_num': 32 #The number of the laser beams of the Velodyne LiDAR
'jdc_thre_ratio': 5 #The ratio of adaptive threshold for clustering scanline
'agglomerative_cluster_th_ratio': 5 #The ratio of adaptive threshold for combining the scanline cluters
######### Parameters for detecting chessboard from segmentation result
'pattern_size': (6,8) #number of vertical and horizontal patterns
'grid_length': 0.075 #the length of one grid of the pattern [m]
'chessboard_detect_planar_PCA_ratio': 0.01 # The threshold of the planarity check of the potential chessboard with PCA
'marker_range_limit': 5 #The farthest range of the chessboard for filtering irrelative segments. Segments whose centroid to Velodyne farther that this threshold will not be considered as a potential chessboard.
######## Parameters for 3D corner detection from detected chessboard point cloud segment
'start_pattern_corner': 0 #The color of the pattern in the left down of the chessboard and 0 for black 1 for white
'intensity_col_ind': 3 # The index of intensity column (counting starts from 0). !!! Wrong number will cause the failure of corner detection in pcd files.
######### Settings for multi-processing
'multi_proc': True #Use multiple processing
'proc_num': 4 #The number of cores to use for multiple processing
'poses_num': 20 #The number of image-laserscan pairs