Package trclib.vision

Class TrcOpenCvFaceDetector

java.lang.Object

trclib.vision.TrcOpenCvDetector

trclib.vision.TrcOpenCvFaceDetector

All Implemented Interfaces:

TrcVideoSource<org.opencv.core.Mat>, TrcVisionProcessor<org.opencv.core.Mat,TrcOpenCvDetector.DetectedObject<?>>

public abstract class TrcOpenCvFaceDetector
extends TrcOpenCvDetector

This class implements an OpenCV face detector using the provided classifier.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TrcOpenCvFaceDetector.DetectedObject	This class encapsulates info of the detected object.

Nested classes/interfaces inherited from class trclib.vision.TrcOpenCvDetector

TrcOpenCvDetector.FilterTarget

Field Summary

Fields

Modifier and Type	Field	Description
private final org.opencv.core.MatOfRect	detectedFaceBuffer
private final org.opencv.objdetect.CascadeClassifier	faceDetector

Fields inherited from class trclib.vision.TrcOpenCvDetector

instanceName, tracer

Constructor Summary

Constructors

Constructor	Description
TrcOpenCvFaceDetector(String instanceName, String classifierPath, int numImageBuffers)	Constructor: Create an instance of the object.

Method Summary

Modifier and Type	Method	Description
TrcOpenCvFaceDetector.DetectedObject[]	processFrame(org.opencv.core.Mat image)	This method is called to process an image frame to detect objects in the acquired frame.

Methods inherited from class trclib.vision.TrcOpenCvDetector

getDetectedTargetsInfo, getPipeline, getProcessingInterval, getSelectedOutput, setPipeline, setProcessingInterval, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface trclib.vision.TrcVideoSource

getFrame, putFrame

Field Details

faceDetector

private final org.opencv.objdetect.CascadeClassifier faceDetector

detectedFaceBuffer

private final org.opencv.core.MatOfRect detectedFaceBuffer

Constructor Details

TrcOpenCvFaceDetector

public TrcOpenCvFaceDetector(String instanceName,
 String classifierPath,
 int numImageBuffers)

Constructor: Create an instance of the object.

Parameters:

instanceName - specifies the instance name.

classifierPath - specifies the file path for the classifier.

numImageBuffers - specifies the number of image buffers to allocate.

Method Details

processFrame

public TrcOpenCvFaceDetector.DetectedObject[] processFrame(org.opencv.core.Mat image)

This method is called to process an image frame to detect objects in the acquired frame.

Specified by:

processFrame in interface TrcVisionProcessor<org.opencv.core.Mat,TrcOpenCvDetector.DetectedObject<?>>

Overrides:

processFrame in class TrcOpenCvDetector

Parameters:

image - specifies the image to be processed.

Returns:

detected objects, null if none detected.