AWS::Comprehend::DocumentClassifier DocumentReaderConfig
Provides configuration parameters to override the default actions for extracting text from PDF documents and image files.
By default, Amazon Comprehend performs the following actions to extract text from files, based on the input file type:
-
Word files - Amazon Comprehend parser extracts the text.
-
Digital PDF files - Amazon Comprehend parser extracts the text.
-
Image files and scanned PDF files - Amazon Comprehend uses the Amazon Textract
DetectDocumentText
API to extract the text.
DocumentReaderConfig
does not apply to plain text files or Word files.
For image files and PDF documents, you can override these default actions using the fields listed below. For more information, see Setting text extraction options in the Comprehend Developer Guide.
Syntax
To declare this entity in your Amazon CloudFormation template, use the following syntax:
JSON
{ "DocumentReadAction" :
String
, "DocumentReadMode" :String
, "FeatureTypes" :[ String, ... ]
}
YAML
DocumentReadAction:
String
DocumentReadMode:String
FeatureTypes:- String
Properties
DocumentReadAction
-
This field defines the Amazon Textract API operation that Amazon Comprehend uses to extract text from PDF files and image files. Enter one of the following values:
-
TEXTRACT_DETECT_DOCUMENT_TEXT
- The Amazon Comprehend service uses theDetectDocumentText
API operation. -
TEXTRACT_ANALYZE_DOCUMENT
- The Amazon Comprehend service uses theAnalyzeDocument
API operation.
Required: Yes
Type: String
Allowed values:
TEXTRACT_DETECT_DOCUMENT_TEXT | TEXTRACT_ANALYZE_DOCUMENT
Update requires: Replacement
-
DocumentReadMode
-
Determines the text extraction actions for PDF files. Enter one of the following values:
-
SERVICE_DEFAULT
- use the Amazon Comprehend service defaults for PDF files. -
FORCE_DOCUMENT_READ_ACTION
- Amazon Comprehend uses the Textract API specified by DocumentReadAction for all PDF files, including digital PDF files.
Required: No
Type: String
Allowed values:
SERVICE_DEFAULT | FORCE_DOCUMENT_READ_ACTION
Update requires: Replacement
-
FeatureTypes
-
Specifies the type of Amazon Textract features to apply. If you chose
TEXTRACT_ANALYZE_DOCUMENT
as the read action, you must specify one or both of the following values:-
TABLES
- Returns additional information about any tables that are detected in the input document. -
FORMS
- Returns additional information about any forms that are detected in the input document.
Required: No
Type: Array of String
Allowed values:
TABLES | FORMS
Minimum:
1
Maximum:
2
Update requires: Replacement
-