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# VNDetectDocumentSegmentationRequest

An object that detects rectangular regions that contain text in the input image.

```
class VNDetectDocumentSegmentationRequest
```

## Overview

Perform this request to detect a document in an image. The result that the request generates contains the four corner points of a document’s quadrilateral and saliency mask.

## Topics

### Accessing the Results

[`results`](/documentation/Vision/VNDetectDocumentSegmentationRequest/results)

The results of a document segmentation request.

[`VNRectangleObservation`](/documentation/Vision/VNRectangleObservation)

An object that represents the four vertices of a detected rectangle.

### Identifying Request Revisions

[`VNDetectDocumentSegmentationRequestRevision1`](/documentation/Vision/VNDetectDocumentSegmentationRequestRevision1)

A constant for specifying revision 1 of the document segmentation request.


---

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