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72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
import os
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import subprocess
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import logging
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# $ DATASET_PATH=/path/to/dataset
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# $ colmap feature_extractor \
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# --database_path $DATASET_PATH/database.db \
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# --image_path $DATASET_PATH/images
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# $ colmap exhaustive_matcher \
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# --database_path $DATASET_PATH/database.db
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# $ mkdir $DATASET_PATH/sparse
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# $ colmap mapper \
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# --database_path $DATASET_PATH/database.db \
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# --image_path $DATASET_PATH/images \
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# --output_path $DATASET_PATH/sparse
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# $ mkdir $DATASET_PATH/dense
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def run_colmap(basedir, match_type):
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"""Simple wrapper for COLMAP"""
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logfile_name = os.path.join(basedir, 'colmap_output.txt')
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logfile = open(logfile_name, 'w')
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feature_extractor_args = [
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'colmap', 'feature_extractor',
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'--database_path', os.path.join(basedir, 'database.db'),
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'--image_path', os.path.join(basedir, 'images'),
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'--ImageReader.single_camera', '1',
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#'--SiftExtraction.use_gpu', '0', # Use CPU only, comment to use GPU
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]
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logging.debug("Extracting features.")
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feat_output = subprocess.check_output(feature_extractor_args, universal_newlines=True)
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logfile.write(feat_output)
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exhaustive_matcher_args = [
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'colmap', match_type,
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'--database_path', os.path.join(basedir, 'database.db'),
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]
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logging.debug("Matching features.")
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match_output = subprocess.check_output(exhaustive_matcher_args, universal_newlines=True)
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logfile.write(match_output)
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p = os.path.join(basedir, 'sparse')
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if not os.path.exists(p):
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os.makedirs(p)
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mapper_args = [
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'colmap', 'mapper',
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'--database_path', os.path.join(basedir, 'database.db'),
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'--image_path', os.path.join(basedir, 'images'),
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'--output_path', os.path.join(basedir, 'sparse'), # --export_path changed to --output_path in colmap 3.6
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'--Mapper.num_threads', '16',
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'--Mapper.init_min_tri_angle', '4',
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'--Mapper.multiple_models', '0',
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'--Mapper.extract_colors', '0',
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]
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logging.debug("Creating sparse map")
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map_output = subprocess.check_output(mapper_args, universal_newlines=True)
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logfile.write(map_output)
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logfile.close()
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logging.info("Finished running COLMAP. Logfile written in %s",
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logfile_name)
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