Sinopia

Automated Catalogue Metadata Extractor

Extract & annotate
art historical metadata

Upload a ZIP of scanned catalogue pages. The pipeline uses Google Vision for cropping and Gemini for structured metadata extraction, then presents results for human review.

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Click to browse or drag & drop
.zip archive or a single .jpg / .png / .tif image
Initialising… 0 / 0
Processing — this may take a few minutes Each page is being analysed by Google Vision and Gemini in turn. The log below updates in real time.

✓ Extraction complete.

Open Annotation Interface →
01

Vision Crop

Google Vision detects and crops artwork regions from raw scan pages.

02

Gemini Extract

Gemini reads each page and extracts all metadata fields as structured JSON.

03

Human Review

Browse results image-by-image. Edit any field inline and export a clean CSV.