Archive COLMAP reconstruction artifacts

Non-destructive recovery snapshot of 25 core, scene, and hierarchical COLMAP sparse models with provenance scripts, restore documentation, a pure-Python validator, and SHA-256 checksums. Extracted frames and SQLite working databases remain excluded.

.gitattributes

@@ -1 +1,47 @@
-*.MP4 filter=lfs diff=lfs merge=lfs -text
+*.MP4 filter=lfs diff=lfs merge=lfs -textreconstructions/core/campus_core/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/core/campus_core/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_bundle_adjusted/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_bundle_adjusted/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn_boulevard/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn_boulevard/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn_boulevard_library/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn_boulevard_library/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/NLP_boulevard/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/NLP_boulevard/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_core/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_core/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_entrance/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_entrance/1/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_entrance/1/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_entrance_2/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_entrance_2/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_hydro/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_hydro/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_knowledge_center/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_knowledge_center/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_medium_5/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_medium_5/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_nlp/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_nlp/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_palms/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_palms/1/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/campus_palms/1/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/hydro_NLP_connection/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/hydro_NLP_connection/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/knowledge_center_front/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/knowledge_center_front/1/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/knowledge_center_front/1/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/mid_library/0/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/mid_library/0/points3D.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/mid_library/1/images.bin filter=lfs diff=lfs merge=lfs -text
+reconstructions/scenes/mid_library/1/points3D.bin filter=lfs diff=lfs merge=lfs -text

reconstructions/ARCHIVE_METADATA.json

@@ -0,0 +1,17 @@
+{
+  "dataset_id": "sebothetramp/MBZUAI-Campus",
+  "snapshot_date": "2026-07-19",
+  "artifact_type": "COLMAP/GLOMAP sparse reconstruction recovery snapshot",
+  "source_directories": [
+    "global/campus_core/0",
+    "global_OG/_data_global/<scene>/<model>",
+    "global_OG/_data_global/global/core_*"
+  ],
+  "excluded_artifacts": [
+    "extracted image frames",
+    "SQLite feature and match databases",
+    "Python virtual environments",
+    "generated training outputs"
+  ],
+  "integrity_manifest": "SHA256SUMS"
+}

reconstructions/README.md

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+# MBZUAI Campus Reconstruction Artifacts
+
+This directory is a non-destructive recovery snapshot of the COLMAP/GLOMAP
+reconstruction outputs that accompany the raw campus videos.
+
+## Included
+
+- `core/campus_core/0/`: the core sparse COLMAP model.
+- `scenes/`: registered sparse models and `project.ini` files for individual
+  reconstruction scenes.
+- `hierarchical/`: each saved hierarchical reconstruction stage, including the
+  final `core_hydro_entrance_palms_knowledge_center_front_hydro_conn_boulevard_library`
+  model.
+- `scripts/`: legacy reconstruction, alignment, visualization, and conversion
+  scripts retained for provenance.
+- `SHA256SUMS`: hashes for integrity verification after download.
+
+Each COLMAP model uses the standard binary triplet:
+
+- `cameras.bin`
+- `images.bin`
+- `points3D.bin`
+
+## Deliberately excluded
+
+- Extracted JPG/PNG frames, because they can be regenerated from the raw videos.
+- SQLite feature/match databases (`*.db`, `*.db-wal`, and `*.db-shm`), which are
+  large working artifacts and remain in the original local workspace.
+- Python virtual environments and generated training outputs.
+
+The sparse models preserve recovered camera intrinsics, poses, observations,
+and point clouds. The legacy scripts contain historical hard-coded paths and
+should be reviewed before execution.
+
+## Restore
+
+Download the snapshot from Hugging Face:
+
+```bash
+hf download sebothetramp/MBZUAI-Campus \
+  --repo-type dataset \
+  --include "reconstructions/**" \
+  --local-dir .
+```
+
+Verify the restored files from the repository root:
+
+```bash
+cd reconstructions
+shasum -a 256 -c SHA256SUMS
+```
+

reconstructions/SHA256SUMS

@@ -0,0 +1,113 @@
+7b4df5cc83f5b966969a7f4459750134feba60fda6af0938b2198dd45c9af5f3  ./ARCHIVE_METADATA.json
+51cc23c11fed6bd66e3f7a8bc8e1d07162d4154141cb7ea7645d010a03ddb5a5  ./README.md
+91835c26c2661b3cd4d1ca9a9f38660356600a00a34210e7c22c6acf92a5f32f  ./core/campus_core/0/cameras.bin
+4f7ab62ffe593a7445d37f177045e00224d59abeec70666eb30b39c665efdb43  ./core/campus_core/0/images.bin
+8a86615d2ac3d158cf81b85d8ec1a11b70920277439a470124561564cee84dd1  ./core/campus_core/0/points3D.bin
+de5e5c2e5e18a5056ff8249b8ddd30d76fb0b52a4784ab82e1bffb1fea1eb23a  ./hierarchical/core_hydro/cameras.bin
+770edb6846f525448f97359cbcd93b39e277d7b8bc82888bb1da9b7c996cca71  ./hierarchical/core_hydro/images.bin
+ee88ebc0852fa4b3bc7b80bef21dce7b1ce77a6b632240d6189f44e003a05589  ./hierarchical/core_hydro/points3D.bin
+952d963cd1790abbb7afc4283820fe42aea57a72fbf19ac1d4e9baa07974c545  ./hierarchical/core_hydro_entrance/cameras.bin
+65dd4167088f438bba84dfe0bc19dfb9cd2c0cbb5dd3a21e0b53883a468dbc3b  ./hierarchical/core_hydro_entrance/images.bin
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+adf6f21f6374aeb5bbdb3f1b59352e0f7bbf4fa02ec912c94462190c99673c71  ./hierarchical/core_hydro_entrance_palms/cameras.bin
+df1ab5e88d12b25b46c3a2177ad629dc8f18b01040898d9376233b30d3d0c381  ./hierarchical/core_hydro_entrance_palms/images.bin
+ae4dc806c459de765127a43555a6d0c3eb7f6a0e568f3d6a8cda7752842058dd  ./hierarchical/core_hydro_entrance_palms/points3D.bin
+9f96cbd69fd7dfa67ef36c81a20335b5728b39e0c58ca9847dd4e5ddcd676ffb  ./hierarchical/core_hydro_entrance_palms_bundle_adjusted/cameras.bin
+8537a51e6577d9bf2062a2e7a2ef10d91c947a049ea363fef6766928abd280f4  ./hierarchical/core_hydro_entrance_palms_bundle_adjusted/images.bin
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+0c006aa8daeb53d984ae1a8bc911ce71675f46c9aacb32dfa989a0c56ae1c2d6  ./hierarchical/core_hydro_entrance_palms_knowledge_center_front/images.bin
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+07a7ef86399da3b31f18320ee9eddacb585cdf4a45fd951e090177633c498877  ./hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn/cameras.bin
+f360cbb2b80b3fcf3641e181b117412d938183b99d7424b1f1adcbab92b24b44  ./hierarchical/core_hydro_entrance_palms_knowledge_center_front_hydro_conn/images.bin
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