Back to Adaptive Vision Studio website
You are here: Start » Filter Reference » Image Local Transforms » DifferenceOfGaussians
DifferenceOfGaussians
Applies difference of Gaussians on an image, i.e. computes difference of two Gaussian smoothed images.
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inImage | Image | Input image | |
|
inRoi | Region* | Range of output pixels to be computed | |
|
inStdDev | Real | 0.0 -  |
Smoothing standard deviation for the smaller kernel |
|
inStdDevRatio | Real | 1.0 - |
Defines how many times larger is the second kernel |
|
inKernelRelativeSize | Real | 0.0 - 3.0 | A multiple of the standard deviation determining the size of the kernel |
|
inScale | Real | Output image scaling factor | |
 |
outImage | Image | Output image | |
 |
diagKernelShape | Profile | Middle row of the kernel being used | |
Applications
Emphasizes high-frequency image features such as lines or patches / dots.
Examples
Description of usage of this filter can be found in examples and tutorial: Pins.
Hardware Acceleration
This operation is optimized for SSE2 technology for pixels of types: UINT8, SINT16, REAL.
This operation is optimized for SSE41 technology for pixels of type: UINT16.
This operation is optimized for AVX2 technology for pixels of types: UINT8, SINT16, UINT16, REAL.
This operation supports automatic parallelization for multicore and multiprocessor systems.
Complexity Level
This filter is available on Advanced Complexity Level.
