INDUSTRY FIELD GUIDE
Citrus rind inspection images for AI training and testing
A mark on a citrus rind can disappear when the fruit turns.
NAICS 111310 · Orange Groves
NAICS 111320 · Citrus (except Orange) Groves
A mark on a citrus rind can disappear when the fruit turns. That change may be glare. Persistent surface features need a different label and a qualified check. USDA publishes commodity-specific citrus inspection instructions. A grower can show a buyer how rind features appear across views while keeping oranges and other citrus separated in the data. USDA fruit standards · USDA orange and grapefruit inspection example
Photograph an approved fruit twice against a neutral background with a documented turn angle. Mark a reviewer-confirmed surface feature on both views. Add a glossy sound fruit with a highlight that moves under fixed light. Keep commodity and finish treatments in the sample description when relevant. Test the same classification on a fruit from another authorized variety or season, with labels specific to its inspection method.
Use your own fruit and clear any packhouse or inspection imagery with its owner. Exclude private grade distributions, orchard addresses, and customer reports. Share a small sample before discussing a seasonal archive.
Describe the citrus image collection
Original Fiund exercise
A fixed fruit mark and a moving highlight need different labels
Two owned practice fruit aliases are described through original reviewer annotations. There are no images in this text fixture, commercial grade results or automated inspection claims.
| Record | Source | What it records |
|---|---|---|
| CR1 | Fruit O1 views | Orange O1 rotated 45 degrees under fixed light. Reviewer maps a small rough patch to the same rind region in both views. |
| CR2 | Fruit O2 views | Glossy orange O2 rotated 45 degrees. Bright region shifts relative to a marked rind reference; reviewer labels it highlight, not a persistent rind feature. |
| CR3 | Mixed packet note | A grapefruit view has an unlabeled pale region and no matched second view. No commodity-specific reviewer decision supplied. |
Question for the model
Which observations support a persistent rind feature, which support a highlight, and what remains unresolved for the grapefruit?
Show the reference answer and checks
CR1's reviewer links the rough patch to the same O1 rind region across the turn, supporting a persistent surface-feature label in the fixture. CR2's bright region moves relative to the rind reference under fixed light and is explicitly reviewed as a highlight. CR3 lacks matched views and a commodity-specific decision, so its pale region remains unresolved. Do not transfer the orange labels or a grade conclusion to grapefruit from color resemblance alone.
- Labeling a moving specular highlight as a persistent defect.
- Applying an orange-specific annotation to another commodity without its own inspection basis.
Fields to preserve
- Fruit identity and commodity
- Defines the specimen and review context.
- Turn angle, light and rind reference
- Makes cross-view observations interpretable.
- Reviewer feature type and unresolved state
- Separates appearance from grading conclusions.
Test another case
Use a separately authorized variety with a different surface finish. Require fresh reviewer labels rather than assuming the earlier appearance rule transfers unchanged.
Use owned fruit and original annotations. Exclude orchard addresses, packhouse records, private grade distributions and customer reports; image rights are separate from annotation rights.
Discuss a contribution
Describe the sources you control, the task they could support and what has already been checked. Use the existing-data assessment for an archive or the collection brief for a new recording project. The contributor agreement defines Fiund’s licensing authority and compensation. A guide or fictional exercise does not establish an accepted collection or a sale.