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Update README.md #703

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Sep 2, 2023
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Update README.md #703

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daf8fc4
Update README.md
johnwlambert Sep 1, 2023
ee8510a
Remove image_extensions flag from commands in readme
johnwlambert Sep 2, 2023
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10 changes: 3 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -69,13 +69,13 @@ To run SfM with a dataset with only an image directory and EXIF, with image file
and run

```python
python gtsfm/runner/run_scene_optimizer_olssonloader.py --config_name {CONFIG_NAME} --dataset_root {DATASET_ROOT} --image_extension jpg --num_workers {NUM_WORKERS}
python gtsfm/runner/run_scene_optimizer_olssonloader.py --config_name {CONFIG_NAME} --dataset_root {DATASET_ROOT} --num_workers {NUM_WORKERS}
```

For example, if you had 4 cores available and wanted to use the Deep Front-End (recommended) on the "door" dataset, you should run:

```bash
python gtsfm/runner/run_scene_optimizer_olssonloader.py --dataset_root tests/data/set1_lund_door --image_extension JPG --config_name deep_front_end.yaml --num_workers 4
python gtsfm/runner/run_scene_optimizer_olssonloader.py --dataset_root tests/data/set1_lund_door --config_name deep_front_end.yaml --num_workers 4
```

(or however many workers you desire).
Expand All @@ -87,7 +87,7 @@ Currently we require EXIF data embedded into your images (or you can provide gro
If you would like to compare GTSfM output with COLMAP output, please run:

```python
python gtsfm/runner/run_scene_optimizer_colmaploader.py --config_name {CONFIG_NAME} --images_dir {IMAGES_DIR} --colmap_files_dirpath {COLMAP_FILES_DIRPATH} --image_extension jpg --num_workers {NUM_WORKERS} --max_frame_lookahead {MAX_FRAME_LOOKAHEAD}
python gtsfm/runner/run_scene_optimizer_colmaploader.py --config_name {CONFIG_NAME} --images_dir {IMAGES_DIR} --colmap_files_dirpath {COLMAP_FILES_DIRPATH} --num_workers {NUM_WORKERS} --max_frame_lookahead {MAX_FRAME_LOOKAHEAD}
```

where `COLMAP_FILES_DIRPATH` is a directory where .txt files such as `cameras.txt`, `images.txt`, etc have been saved.
Expand Down Expand Up @@ -145,7 +145,3 @@ Open-source Python implementation:
```

Note: authors are listed in alphabetical order (by last name).

## Compiling Additional Verifiers

On Linux, we have made `pycolmap`'s LORANSAC available in [pypi](https://pypi.org/project/pycolmap/). However, on Mac, `pycolmap` must be built from scratch. See the instructions [here](https://github.com/borglab/gtsfm/blob/master/gtsfm/frontend/verifier/loransac.py#L10).
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