| # 3DLP Preview Subset |
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| This folder contains compressed side-by-side preview images for quick visual inspection of the 3DLP dataset. |
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| Each image concatenates one tonemapped light-off/light-on pair horizontally: |
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| - left half: light probe off |
| - right half: light probe on |
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| The filenames contain the anonymized identifiers: |
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| ```text |
| location_<i>_scene_<j>_view_<k>_image_<n>_on_off.jpg |
| ``` |
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| The preview images keep the original preview resolution, but they are JPEG-compressed. They are intended only for browsing the dataset diversity and checking the kinds of scenes, viewpoints, materials, and lighting effects included in the release. They are not intended for scientific experiments, quantitative evaluation, or benchmark reporting, and they may contain JPEG compression artifacts. |
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| For experiments, use the HDR TIFF files in the `main` subset. |
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| ## Metadata |
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| `metadata.jsonl` contains one row per preview image: |
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| - `image_file_name`: relative path to the fused JPEG preview image. |
| - `location`: anonymized location identifier. |
| - `scene`: anonymized scene identifier within the location. |
| - `view`: anonymized camera viewpoint identifier within the scene. |
| - `image_index`: repeated on/off pair index within the view. |
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