ImageDctHashSearchCriteria class

ImageDctHashSearchCriteria class

Represents a search criteria for finding images in a document.

Inheritance: ImageDctHashSearchCriteria → ImageSearchCriteria → PageSearchCriteria → SearchCriteria

The ImageDctHashSearchCriteria type exposes the following members:

Constructors

Constructor Description
init Initializes a new instance of the ImageDctHashSearchCriteria class with a specified file path.
init Initializes a new instance of the ImageDctHashSearchCriteria class with a specified stream.

Properties

Property Description
pages Gets or sets the list of specific page numbers
max_difference Gets or sets maximum allowed difference between images.

Methods

Method Description
both Combines this SearchCriteria with other criteria using logical AND operator.
either Combines this SearchCriteria with other criteria using logical OR operator.
is_not Negates this SearchCriteria.

Remarks

This search criteria uses DCT based perceptual image hash for calculating image similarity. Learn more: | | |

Example

Search for images in the attached files (pdf).

See Also

ImageColorHistogramSearchCriteria class ImageSearchCriteria class