Multimodal data
What is an image column?
An image column stores a still picture as a first-class value a schema can caption, embed, or transform.
Updated · Part of What is a typed media column?
How it works
- The row keeps the picture with its title, label, or product id.
- A computed column can caption or edit that picture when the row changes.
- An embedding index on the picture answers visual similarity.
What it is not
It is not a filename, and it is not a numeric array with no catalog row.
image column: this, and the thing it is confused with
| This | Not this | |
|---|---|---|
| Stored | A still the schema understands | A path in a string |
| Typical next column | Caption, embedding, or edit | A one-off script |
| Search | By similar picture or phrase | By filename |
Where Pixeltable fits
Pixeltable declares that column as image: pxt.Image, then assigns caption or embedding columns on the same class.
Questions
How does image column work?
The row keeps the picture with its title, label, or product id. A computed column can caption or edit that picture when the row changes. An embedding index on the picture answers visual similarity.
What is image column often confused with?
It is not a filename, and it is not a numeric array with no catalog row.
Next step
Install the Pixeltable skill, or sign up for Cloud and run the same file on a hosted database.