# Image Processing | Sample | The sample program demonstrates how to: | Image | C++ | C# | Qt | CMake | Vb | Python | |---------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [Basic](basic.html.md) | - Display an image.
- Display and graphically interact with an ROI. | ![](assets/images/sample_programs/image_processing-basic.webp) | ✓ | ✓ | ✓ | | ✓ | | | [BasicWPF](basicwpf.html.md) | - Display an image in a WPF context.
- Display and graphically interact with an ROI. | ![](assets/images/sample_programs/image_processing-basic.webp) | ✓ | | | | | | | [ConsoleBasic](consolebasic.html.md) | - Initialize and release the eVision library.
- Check for a specific license.
- Load an image and perform a simple processing on it. | — | ✓ | ✓ | | ✓ | | | | [Region](region.html.md) | - Create an ERegion and use it to restrict eVision processing to its domain. | ![](assets/images/sample_programs/image_processing-region.webp) | ✓ | ✓ | ✓ | | | | | [RegionFreeHand](regionfreehand.html.md) | - Create an ERegion using the ERegionFreeHandPainter. | ![](assets/images/sample_programs/image_processing-regionfreehand.webp) | ✓ | ✓ | | | | | | [EasyImageFilter](easyimagefilter.html.md) | - Apply filter operations on a loaded image. | ![](assets/images/sample_programs/image_processing-easyimagefilter.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [FourierFiltering](fourierfiltering.html.md) | - Compute the direct Fourier transform.
- Compute the inverse Fourier transform. | ![](assets/images/sample_programs/image_processing-fourierfiltering.webp) | ✓ | ✓ | ✓ | | | | | [EasyColorComponent](easycolorcomponent.html.md) | - Retrieve one component of a color image after converting it from RGB to a given color space. | ![](assets/images/sample_programs/image_processing-easycolorcomponent.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyHDRFusion](easyhdrfusion.html.md) | - Perform an HDR Fusion on a specific set of images. | ![](assets/images/sample_programs/image_processing-hdrfusion.webp) | ✓ | ✓ | | | | | | [EGrabberBridge](egrabberbridge.html.md) | - Use the EGrabberBridge functionality to import and use images produced by an object eGrabber with eVision. | ![](assets/images/sample_programs/image_processing-egrabberbridge.webp) | ✓ | ✓ | | | | | | [SharedLibraryConsole](sharedlibrary.html.md) | - Use eVision in a C++ DLL. | — | | | | ✓ | | |