Sample Programs

Image processing

Sample	The sample program demonstrates how to:	Image	C++	C#	Qt	CMake	Vb	Python
Basic	Display an image. Display and graphically interact with an ROI.		✓	✓	✓		✓
BasicWPF	Display an image in a WPF context. Display and graphically interact with an ROI.		✓
ConsoleBasic	Initialize and release the eVision library. Check for a specific license. Load an image and perform a simple processing on it.	—	✓	✓		✓
Region	Create an ERegion and use it to restrict eVision processing to its domain.		✓	✓	✓
RegionFreeHand	Create an ERegion using the ERegionFreeHandPainter.		✓	✓
EasyImageFilter	Apply filter operations on a loaded image.		✓	✓	✓		✓	✓
FourierFiltering	Compute the direct Fourier transform. Compute the inverse Fourier transform.		✓	✓	✓
EasyColorComponent	Retrieve one component of a color image after converting it from RGB to a given color space.		✓	✓	✓		✓	✓
EasyHDRFusion	Perform an HDR Fusion on a specific set of images.		✓	✓
EGrabberBridge	Use the EGrabberBridge functionality to import and use images produced by an object eGrabber with eVision.		✓	✓
SharedLibraryConsole	Use eVision in a C++ DLL.	—				✓

3D Processing

Sample	The sample program demonstrates:	Image	C++	C#	Qt	CMake	Vb	Python
Easy3DViewer	Use most of the features of the Easy3D class E3DViewer. Convert 3D files formats. Use a point picking.		✓	✓	✓
Easy3DViewerWPF	Display an E3DViewer in a WPF context.		✓
Easy3DPhotometricStereo	Apply photometric stereo to several images to retrieve their albedo, gradients, curvatures or height map.		✓	✓
Easy3DPointCloudToMesh	Generate a mesh from a point cloud.		✓	✓
Easy3DZMapGenerator	Generate a ZMap from a mesh or a point cloud.		✓	✓
Easy3DProcessing2D	Load a depth map. Apply a 2D operator (the text reading tool EasyOCR2) on the gray scale pixel values.		✓
Easy3DMultiViews	Load and display point clouds in multiple instances of the class E3DViewer.		✓	✓	✓
Easy3DPCBWarpage	Measure the warpage of a PCB with Easy3D.		✓
Easy3DCoaxlinkLLE	Acquire depth maps from a Coaxlink 3D LLE frame grabber and optionally save them.		✓
Easy3DLaserLineCalibration	Compute and save the calibration model. Apply the calibration to a depth map. Save the resulting point cloud.		✓
Easy3DLaserLineExtract	Create a depth map from a series of profile images using the software laser line extractor.		✓		✓
Easy3DObjectExtract	Load an image. Set the X, Y and Z resolutions. Display the corresponding point cloud and the extracted 3D objects.		✓	✓	✓
Easy3DMatchMatch	Match a sample (point cloud or ZMap) on a reference (3D mesh, point cloud or ZMap).		✓	✓
Easy3DMatchAlign	Align a sample (point cloud or ZMap) on a reference (3D mesh, point cloud or ZMap).		✓	✓	✓
Easy3DMatchPointCloudMerger	Merge several point clouds by using a calibration procedure with a specific object.		✓	✓

Matching and Measurement

Sample	The sample program demonstrates:	Image	C++	C#	Qt	CMake	Vb	Python
EasyGaugeBasic	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	✓	✓	✓		✓
EasyGaugeRegion	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	✓
EasyGaugePolygon	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	✓	✓
EasyFindLearn	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	✓	✓	✓		✓	✓
EasyFindVectorLearn	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	✓	✓	✓
EasyMatchLearn	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	✓	✓	✓		✓	✓
EasyObjectEChecker2	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	✓	✓
EasyObjectInertia	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	✓	✓	✓		✓	✓

Deep Learning Inspection

Sample	The sample program demonstrates:	Image	C++	C#	Qt	CMake	Vb	Python
EasyClassifyTrain	Train an EasyClassify tool in console mode.	—	✓	✓
EasyClassifyInference	Perform an inference with EasyClassify. Display the results.		✓	✓	✓			✓
EasyClassifyMultiThreadInference	Perform a multithread inference with EasyClassify. Implement external and internal multithreading.			✓
EasySegmentSupervisedTrain	Train an EasySegment Supervised tool in console mode.	—	✓	✓
EasySegmentSupervisedInference	Perform an inference with EasySegment Supervised. Display the results.		✓	✓	✓			✓
EasySegmentSupervisedMultiThreadInference	Perform a multithread inference with EasySegment Supervised in console mode. Implement external and internal multithreading.	—	✓
EasySegmentUnsupervisedTrain	Train an EasySegment Unsupervised tool in console mode.	—	✓	✓
EasySegmentUnsupervisedInference	Perform an inference with EasySegment Unsupervised. Display the results.		✓	✓	✓			✓
EasyLocateTrain	Train an EasyLocate tool in console mode.	—	✓	✓
EasyLocateInference	Perform an inference with EasyLocate. Display the results.		✓	✓	✓			✓
EasyLocateMultiThreadInference	Perform a multithread inference with EasyLocate. Implement external and internal multithreading.				✓

Text and Code Reading

Sample	The sample program demonstrates:	Image	C++	C#	Qt	CMake	Vb	Python
EasyCodeReading	Read a bar code, a data matrix and a QR code in an image with a single read call.		✓	✓				✓
EasyBarCodeRead	Read a 1D bar code in an image.		✓	✓	✓		✓	✓
EasyBarCodeReadMail	Read a mail bar code in an image.		✓	✓
EasyMatrixCodeRead	Read a data matrix code in an image.		✓	✓	✓			✓
EasyQRCodeRead	Read a QR code in an image.		✓	✓	✓		✓	✓
EasyOcrRead	Read a text inside the ROI of an image using EasyOCR (superseded by EasyOCR2). Use a configuration based on a OCR font file (.ocr).		✓
EasyOcr2Read	Read a text inside the ROI of an image.		✓	✓	✓		✓	✓
EasyDeepOCRRead	Read all the texts in an image with a single read call. Load a model.		✓	✓	✓
EasyDeepOCRReadConsole	Read all the texts in an image with a single read call. Load a model. Set a topology.					✓		✓

Applicative Processing Tools

Sample	The sample program demonstrates:	Image	C++	C#	Qt	CMake	Vb	Python
EasySpotDetector	Load an image and the corresponding EasySpotDetector model. Perform the detection of spots (particles and scratches). Display the results over the image.		✓	✓

Python Specific

Sample	(Program)	The sample program demonstrates:	Image	Python
eGrabber	egrabber_acquisition	Acquire images through the eGrabber camera API. Manipulate the images.		✓
OpenCV camera	openCV_acquisition (OpenCV Camera Acquisition)	Acquire images through the OpenCV camera API Manipulate the images.		✓
OpenGL	easy3d_viewer	Display a 3D resource (cloud or mesh) within an eVision 3DViewer using OpenGL and SDL2.		✓
Qt	easy_find_learn	Learn a pattern. Find it in an image using EasyFind in a Qt application.		✓
Qt	easy_gauge_basic	Make subpixel measurements with EasyGauge in a Qt application.		✓
VimbaX	vimbax_acquisition	Acquire images through the VimbaX camera API Manipulate the images.		✓
Base Web	Base Web	Make image acquisition in a web server. Perform image processing. Broadcast the images using HTTP to any remote client through a web browser.		✓
Basic Tkinter	Basic Tkinter	Perform and rotate and scale an image. Display the image using the Tkinter GUI framework.		✓