node-openalpr-region/openalpr_runtime/config/au.conf

Node.js OpenALPR Bindings

; 35-50; 45-60, 55-70, 65-80, 75-90
char_analysis_min_pct = 0.35
char_analysis_height_range = 0.15
char_analysis_height_step_size = 0.10
char_analysis_height_num_steps = 5

segmentation_min_box_width_px = 4
segmentation_min_charheight_percent = 0.4;
segmentation_max_segment_width_percent_vs_average = 1.6;

plate_width_mm = 372
plate_height_mm = 135

multiline = 0

char_height_mm = 82
char_width_mm = 45
char_whitespace_top_mm = 18
char_whitespace_bot_mm = 30

template_max_width_px = 165
template_max_height_px = 60

; Higher sensitivity means less lines
plateline_sensitivity_vertical = 22
plateline_sensitivity_horizontal = 50

; Regions smaller than this will be disqualified
min_plate_size_width_px = 85
min_plate_size_height_px = 28

ocr_language = lau

; Override for postprocess letters/numbers regex. 
postprocess_regex_letters = [A-Z]
postprocess_regex_numbers = [0-9]