Defines preprocessing steps that can be performed on an image.
Declaration Syntax| C# | Visual Basic | Visual C++ |
[FlagsAttribute] public enum Preprocessings
<FlagsAttribute> _ Public Enumeration Preprocessings
[FlagsAttribute] public enum class Preprocessings
Members| Member | Description |
|---|---|
| None |
No preprocessing.
|
| Grayscale |
Convert the image to a grayscale image.
|
| Edges |
Detect object edges in the image using the Laplace edge detetion algorithm
(includes Grayscale).
|
| EdgesSobel |
Detect object edges in the image using the Sobel edge detection algorithm
(includes Edges).
|
| Downsize |
Downsize the image.
|
| Threshold |
Convert the image to a black/white image using a threshold (includes Grayscale).
|