# Sample Programs ## [Image processing](image_processing/index.html.md) | Sample | The sample program demonstrates how to: | Image | C++ | C# | Qt | CMake | Vb | Python | |---------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [Basic](image_processing/basic.html.md) | - Display an image.
- Display and graphically interact with an ROI. | ![](assets/images/sample_programs/image_processing-basic.webp) | ✓ | ✓ | ✓ | | ✓ | | | [BasicWPF](image_processing/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](image_processing/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](image_processing/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](image_processing/regionfreehand.html.md) | - Create an ERegion using the ERegionFreeHandPainter. | ![](assets/images/sample_programs/image_processing-regionfreehand.webp) | ✓ | ✓ | | | | | | [EasyImageFilter](image_processing/easyimagefilter.html.md) | - Apply filter operations on a loaded image. | ![](assets/images/sample_programs/image_processing-easyimagefilter.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [FourierFiltering](image_processing/fourierfiltering.html.md) | - Compute the direct Fourier transform.
- Compute the inverse Fourier transform. | ![](assets/images/sample_programs/image_processing-fourierfiltering.webp) | ✓ | ✓ | ✓ | | | | | [EasyColorComponent](image_processing/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](image_processing/easyhdrfusion.html.md) | - Perform an HDR Fusion on a specific set of images. | ![](assets/images/sample_programs/image_processing-hdrfusion.webp) | ✓ | ✓ | | | | | | [EGrabberBridge](image_processing/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](image_processing/sharedlibrary.html.md) | - Use eVision in a C++ DLL. | — | | | | ✓ | | | ## [3D Processing](3d_processing/index.html.md) | Sample | The sample program demonstrates: | Image | C++ | C# | Qt | CMake | Vb | Python | |----------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [Easy3DViewer](3d_processing/easy3dviewer.html.md) | - Use most of the features of the Easy3D class E3DViewer.
- Convert 3D files formats.
- Use a point picking. | ![](assets/images/sample_programs/3d_processing_easy3dviewer.webp) | ✓ | ✓ | ✓ | | | | | [Easy3DViewerWPF](3d_processing/easy3dviewerwpf.html.md) | - Display an E3DViewer in a WPF context. | ![](assets/images/sample_programs/3d_processing_easy3dviewerwpf.webp) | ✓ | | | | | | | [Easy3DPhotometricStereo](3d_processing/easy3dphotometricstereo.html.md) | - Apply photometric stereo to several images to retrieve their albedo, gradients, curvatures or height map. | ![](assets/images/sample_programs/3d_processing_easy3dphotometricstereo.webp) | ✓ | ✓ | | | | | | [Easy3DPointCloudToMesh](3d_processing/easy3dpointcloudtomesh.html.md) | - Generate a mesh from a point cloud. | ![](assets/images/sample_programs/3d_processing_easy3dpointcloudtomesh.webp) | ✓ | ✓ | | | | | | [Easy3DZMapGenerator](3d_processing/easy3dzmapgenerator.html.md) | - Generate a ZMap from a mesh or a point cloud. | ![](assets/images/sample_programs/3d_processing_easy3dzmapgenerator.webp) | ✓ | ✓ | | | | | | [Easy3DProcessing2D](3d_processing/easy3dprocessing2d.html.md) | - Load a depth map.
- Apply a 2D operator (the text reading tool EasyOCR2) on the gray scale pixel values. | ![](assets/images/sample_programs/3d_processing_easy3dprocessing2d.webp) | ✓ | | | | | | | [Easy3DMultiViews](3d_processing/easy3dmultiviews.html.md) | - Load and display point clouds in multiple instances of the class E3DViewer. | ![](assets/images/sample_programs/3d_processing_easy3dmultiviews.webp) | ✓ | ✓ | ✓ | | | | | [Easy3DPCBWarpage](3d_processing/easy3dpcbwarpage.html.md) | - Measure the warpage of a PCB with Easy3D. | ![](assets/images/sample_programs/3d_processing_easy3dpcbwarpage.webp) | ✓ | | | | | | | [Easy3DCoaxlinkLLE](3d_processing/easy3dcoaxlinklle.html.md) | - Acquire depth maps from a Coaxlink 3D LLE frame grabber and optionally save them. | ![](assets/images/sample_programs/3d_processing_easy3dcoaxlinklle.webp) | ✓ | | | | | | | [Easy3DLaserLineCalibration](3d_processing/easy3dlaserlinecalibration.html.md) | - Compute and save the calibration model.
- Apply the calibration to a depth map.
- Save the resulting point cloud. | ![](assets/images/sample_programs/3d_processing_easy3dlaserlinecalibration.webp) | ✓ | | | | | | | [Easy3DLaserLineExtract](3d_processing/easy3dlaserlineextract.html.md) | - Create a depth map from a series of profile images using the software laser line extractor. | ![](assets/images/sample_programs/3d_processing_easy3dlaserlineextract.webp) | ✓ | | ✓ | | | | | [Easy3DObjectExtract](3d_processing/easy3dobjectextract.html.md) | - Load an image.
- Set the X, Y and Z resolutions.
- Display the corresponding point cloud and the extracted 3D objects. | ![](assets/images/sample_programs/3d_processing_easy3dobjectextract.webp) | ✓ | ✓ | ✓ | | | | | [Easy3DMatchMatch](3d_processing/easy3dmatchmatch.html.md) | - Match a sample (point cloud or ZMap) on a reference (3D mesh, point cloud or ZMap). | ![](assets/images/sample_programs/3d_processing_easy3dmatchmatch.webp) | ✓ | ✓ | | | | | | [Easy3DMatchAlign](3d_processing/easy3dmatchalign.html.md) | - Align a sample (point cloud or ZMap) on a reference (3D mesh, point cloud or ZMap). | ![](assets/images/sample_programs/3d_processing_easy3dmatchalign.webp) | ✓ | ✓ | ✓ | | | | | [Easy3DMatchPointCloudMerger](3d_processing/easy3dmatchpointcloudmerger.html.md) | - Merge several point clouds by using a calibration procedure with a specific object. | ![](assets/images/sample_programs/3d_processing_easy3dmatchpointcloudmerger.webp) | ✓ | ✓ | | | | | ## [Matching and Measurement](matching_and_measurement/index.html.md) | Sample | The sample program demonstrates: | Image | C++ | C# | Qt | CMake | Vb | Python | |--------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [EasyGaugeBasic](matching_and_measurement/easygaugebasic.html.md) | - Load an image and apply a gauge from EasyGauge, chosen between a Point Gauge, a Line Gauge, a Rectangle Gauge, a Circle Gauge, a Wedge Gauge and a Polygon Gauge.
- Implement graphical edition of the gauge geometry.
- Set and display the main parameters of the gauges: the transition polarity, the choice of measure and various display options. | ![Matching-EasyGaugeBasic](../../assets/images/sample_programs/matching-easygaugebasic.webp

```default
``` | ✓ | ✓ | ✓ | | ✓ | | | [EasyGaugeRegion](matching_and_measurement/easygaugeregion.html.md) | - Load an image and apply a gauge from EasyGauge, chosen between a Rectangle Gauge and a Circle Gauge.
- Create a region corresponding to the gauge from the result.
- Perform a blob encoding operation on it. | ![Matching-EasyGaugeRegion](../../assets/images/sample_programs/matching-easygaugeregion.webp

```default
``` | ✓ | | | | | | | [EasyGaugePolygon](matching_and_measurement/easygaugepolygon.html.md) | - Use the class EPolygonGauge of the EasyGauge library.
- Edit the geometry of the gauge and change the main parameters.
- Configure various display options. | ![Matching-EasyGaugePolygon](../../assets/images/sample_programs/matching-easygaugepolygon.webp

```default
``` | ✓ | ✓ | | | | | | [EasyFindLearn](matching_and_measurement/easyfindlearn.html.md) | - Load an image.
- Move and size the region of interest to define the pattern.
- Learn the pattern in the region of interest.
- Change the tolerances using the Tolerances menu.
- Find the pattern using the Find menu. | ![Matching-EasyFindLearn](../../assets/images/sample_programs/matching-easyfindlearn.webp

```default
``` | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyFindVectorLearn](matching_and_measurement/easyfindvectorlearn.html.md) | - Use EasyFind with vectorized learning patterns. In this mode, learning is done on collections of 2D geometrical shapes rather than rasterized patterns.
- Open a DXF or eVision vector model with File > Open Model. Right-click to change the polarity of a transition.
- Save the vector model with the edited polarity.
- Learn the pattern with the button Learn.
- Open a search image and find the pattern with the button Find . | ![Matching-EasyFindVectorLearn](../../assets/images/sample_programs/matching-easyfindvectorlearn.webp

```default
``` | ✓ | ✓ | ✓ | | | | | [EasyMatchLearn](matching_and_measurement/easymatchlearn.html.md) | - Learn a pattern from a region of interest in an image.
- Find one or several instances of that pattern in the same image. | ![Matching-EasyMatchLearn](../../assets/images/sample_programs/matching-easymatchlearn.webp

```default
``` | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyObjectEChecker2](matching_and_measurement/easyobjectechecker2.html.md) | - Specify the inspection area.
- Select fiducials for the localization and the alignment of the inspection area.
- Train the method and apply it on new images. | ![Matching-EasyObjectEChecker2](../../assets/images/sample_programs/matching-easyobjectechecker2.webp

```default
``` | ✓ | ✓ | | | | | | [EasyObjectInertia](matching_and_measurement/easyobjectinertia.html.md) | - Find blobs (objects or holes that have the same gray level range) in the image.
- Keep only the blobs whose area is in a given range. | ![Matching-EasyObjectInertia](../../assets/images/sample_programs/matching-easyobjectinertia.webp

```default
``` | ✓ | ✓ | ✓ | | ✓ | ✓ | ## [Deep Learning Inspection](deep_learning_inspection/index.html.md) | Sample | The sample program demonstrates: | Image | C++ | C# | Qt | CMake | Vb | Python | |------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [EasyClassifyTrain](deep_learning_inspection/easyclassifytrain.html.md) | - Train an EasyClassify tool in console mode. | — | ✓ | ✓ | | | | | | [EasyClassifyInference](deep_learning_inspection/easyclassifyinference.html.md) | - Perform an inference with EasyClassify.
- Display the results. | ![](assets/images/sample_programs/deep_learning_easyclassifyinference.webp) | ✓ | ✓ | ✓ | | | ✓ | | [EasyClassifyMultiThreadInference](deep_learning_inspection/easyclassifymultithreadinference.html.md) | - Perform a multithread inference with EasyClassify.
- Implement external and internal multithreading. | ![](assets/images/sample_programs/deep_learning_easyclassifymultithreadinference.webp) | | ✓ | | | | | | [EasySegmentSupervisedTrain](deep_learning_inspection/easysegmentsupervisedtrain.html.md) | - Train an EasySegment Supervised tool in console mode. | — | ✓ | ✓ | | | | | | [EasySegmentSupervisedInference](deep_learning_inspection/easysegmentsupervisedinference.html.md) | - Perform an inference with EasySegment Supervised.
- Display the results. | ![](assets/images/sample_programs/deep_learning_easysegmentsupervisedinference.webp) | ✓ | ✓ | ✓ | | | ✓ | | [EasySegmentSupervisedMultiThreadInference](deep_learning_inspection/easysegmentsupervisedmultithreadinference.html.md) | - Perform a multithread inference with EasySegment Supervised in console mode.
- Implement external and internal multithreading. | — | ✓ | | | | | | | [EasySegmentUnsupervisedTrain](deep_learning_inspection/easysegmentunsupervisedtrain.html.md) | - Train an EasySegment Unsupervised tool in console mode. | — | ✓ | ✓ | | | | | | [EasySegmentUnsupervisedInference](deep_learning_inspection/easysegmentunsupervisedinference.html.md) | - Perform an inference with EasySegment Unsupervised.
- Display the results. | ![](assets/images/sample_programs/deep_learning_easysegmentunsupervisedinference.webp) | ✓ | ✓ | ✓ | | | ✓ | | [EasyLocateTrain](deep_learning_inspection/easylocatetrain.html.md) | - Train an EasyLocate tool in console mode. | — | ✓ | ✓ | | | | | | [EasyLocateInference](deep_learning_inspection/easylocateinference.html.md) | - Perform an inference with EasyLocate.
- Display the results. | ![](assets/images/sample_programs/deep_learning_easylocateinference.webp) | ✓ | ✓ | ✓ | | | ✓ | | [EasyLocateMultiThreadInference](deep_learning_inspection/easylocatemultithreadinference.html.md) | - Perform a multithread inference with EasyLocate.
- Implement external and internal multithreading. | ![](assets/images/sample_programs/deep_learning_easylocatemultithreadinference.webp) | | | ✓ | | | | ## [Text and Code Reading](text_and_code_reading/index.html.md) | Sample | The sample program demonstrates: | Image | C++ | C# | Qt | CMake | Vb | Python | |-----------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [EasyCodeReading](text_and_code_reading/easycodereading.html.md) | - Read a bar code, a data matrix and a QR code in an image with a single read call. | ![](assets/images/sample_programs/text_and_code-easycodereading.webp) | ✓ | ✓ | | | | ✓ | | [EasyBarCodeRead](text_and_code_reading/easybarcoderead.html.md) | - Read a 1D bar code in an image. | ![](assets/images/sample_programs/text_and_code-easybarcoderead.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyBarCodeReadMail](text_and_code_reading/easybarcodereadmail.html.md) | - Read a mail bar code in an image. | ![](assets/images/sample_programs/text_and_code-easybarcodereadmail.webp) | ✓ | ✓ | | | | | | [EasyMatrixCodeRead](text_and_code_reading/easymatrixcoderead.html.md) | - Read a data matrix code in an image. | ![](assets/images/sample_programs/text_and_code-easymatrixcoderead.webp) | ✓ | ✓ | ✓ | | | ✓ | | [EasyQRCodeRead](text_and_code_reading/easyqrcoderead.html.md) | - Read a QR code in an image. | ![](assets/images/sample_programs/text_and_code-easyqrcoderead.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyOcrRead](text_and_code_reading/easyocrread.html.md) | - Read a text inside the ROI of an image using EasyOCR (superseded by EasyOCR2).
- Use a configuration based on a OCR font file (.ocr). | ![](assets/images/sample_programs/text_and_code-easyocrread.webp) | ✓ | | | | | | | [EasyOcr2Read](text_and_code_reading/easyocr2read.html.md) | - Read a text inside the ROI of an image. | ![](assets/images/sample_programs/text_and_code-easyocr2read.webp) | ✓ | ✓ | ✓ | | ✓ | ✓ | | [EasyDeepOCRRead](text_and_code_reading/easydeepocrread.html.md) | - Read all the texts in an image with a single read call.
- Load a model. | ![](assets/images/sample_programs/text_and_code-easydeepocrread.webp) | ✓ | ✓ | ✓ | | | | | [EasyDeepOCRReadConsole](text_and_code_reading/easydeepocrreadconsole.html.md) | - Read all the texts in an image with a single read call.
- Load a model.
- Set a topology. | | | | | ✓ | | ✓ | ## [Applicative Processing Tools](applicative_processing_tools/index.html.md) | Sample | The sample program demonstrates: | Image | C++ | C# | Qt | CMake | Vb | Python | |-----------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------|-------|------|------|---------|------|----------| | [EasySpotDetector](applicative_processing_tools/easyspotdetector.html.md) | - Load an image and the corresponding EasySpotDetector model.
- Perform the detection of spots (particles and scratches).
- Display the results over the image. | ![](assets/images/sample_programs/applicative_processing_easyspotdetector.webp) | ✓ | ✓ | | | | | ## [Python Specific](python_specific/index.html.md) | Sample | (Program) | The sample program demonstrates: | Image | Python | |---------------|-----------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------|----------| | eGrabber | [egrabber_acquisition](python_specific/egrabber_acquisition.html.md) | - Acquire images through the eGrabber camera API.
- Manipulate the images. | ![](assets/images/sample_programs/python_specific-opencv_acquisition.webp) | ✓ | | OpenCV camera | [openCV_acquisition (OpenCV Camera Acquisition)](python_specific/opencv_acquisition.html.md) | - Acquire images through the OpenCV camera API
- Manipulate the images. | ![](assets/images/sample_programs/python_specific-opencv_acquisition.webp) | ✓ | | OpenGL | [easy3d_viewer](python_specific/easy3d_viewer.html.md) | - Display a 3D resource (cloud or mesh) within an eVision 3DViewer using OpenGL and SDL2. | ![](assets/images/sample_programs/python_specific-easy3d_viewer.webp) | ✓ | | Qt | [easy_find_learn](python_specific/easy_find_learn.html.md) | - Learn a pattern.
- Find it in an image using EasyFind in a Qt application. | ![](assets/images/sample_programs/python_specific-easyfind.webp) | ✓ | | Qt | [easy_gauge_basic](python_specific/easy_gauge_basic.html.md) | - Make subpixel measurements with EasyGauge in a Qt application. | ![](assets/images/sample_programs/python_specific-easygauge.webp) | ✓ | | VimbaX | [vimbax_acquisition](python_specific/vimbax_acquisition.html.md) | - Acquire images through the VimbaX camera API
- Manipulate the images. | ![](assets/images/sample_programs/python_specific-opencv_acquisition.webp) | ✓ | | Base Web | [Base Web](python_specific/base_web.html.md) | - Make image acquisition in a web server.
- Perform image processing.
- Broadcast the images using HTTP to any remote client through a web browser. | ![](assets/images/sample_programs/python_specific-base_web.webp) | ✓ | | Basic Tkinter | [Basic Tkinter](python_specific/basic_tkinter.html.md) | - Perform and rotate and scale an image.
- Display the image using the Tkinter GUI framework. | ![](assets/images/sample_programs/python_specific-base_web.webp) | ✓ |