> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ClassifierTypeEnum

> ClassifierTypeEnum in the ABBYY FineReader Engine API — Classifier type (image-based or text-based) determined by the document features the classifier considers.

ClassifierTypeEnum enumeration constants are used to specify the type of the classifier. The type depends on the document features that the classifier considers when assigning it a category.

```
typedef enum {
  CT_Image    = 0x00000001,
  CT_Text     = 0x00000002,
  CT_Combined = 0x00000004
} ClassifierTypeEnum;
```

## Elements

| Name           | Description                                                                                                                                                                                                                                                                                     |
| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| CT\\\_Combined | The classifier takes into account the characteristics of both the image and the recognized text. The text features can be used only for languages with full dictionary support. See [Predefined Languages in ABBYY FineReader Engine](/fine-reader/engine/specifications/predefined-languages). |
| CT\\\_Image    | The classifier uses only the image features.                                                                                                                                                                                                                                                    |
| CT\\\_Text     | The classifier works with the recognized text. This classifier type can be used only for languages with full dictionary support. See [Predefined Languages in ABBYY FineReader Engine](/fine-reader/engine/specifications/predefined-languages).                                                |

## Used in

[IClassificationObject::SuitableClassifiers](/fine-reader/engine/api-reference/classification-related-objects/classificationobject#suitableclassifiers)

[IModel::ClassifierType](/fine-reader/engine/api-reference/classification-related-objects/model#classifiertype)

[ITrainingParams::ClassifierType](/fine-reader/engine/api-reference/classification-related-objects/trainingparams#classifiertype)