我的Java应用程序中有一个不同线程的JPG图像的实时流,我想不断扫描面以输出所有不同面的列表运行过程中的照相机以及每张脸被看到的次数。这里是我当前的代码:如何使用OpenIMAJ识别新面孔
void doImageProcessing() {
// Create face stuff
FKEFaceDetector faceDetector = new FKEFaceDetector(new HaarCascadeDetector());
EigenFaceRecogniser<KEDetectedFace, Person> faceRecognizer = EigenFaceRecogniser.create(512, new RotateScaleAligner(), 512, DoubleFVComparison.CORRELATION, Float.MAX_VALUE);
FaceRecognitionEngine<KEDetectedFace, Extractor<KEDetectedFace>, Person> faceEngine = FaceRecognitionEngine.create(faceDetector, faceRecognizer);
// Start loop
while (true) {
// Get next frame
byte[] imgData = nextProcessingData;
nextProcessingData = null;
// Decode image
BufferedImage img = ImageIO.read(new ByteArrayInputStream(imgData));
// Detect faces
FImage fimg = ImageUtilities.createFImage(img);
List<KEDetectedFace> faces = faceEngine.getDetector().detectFaces(fimg);
// Go through detected faces
for (KEDetectedFace face : faces) {
// Find existing person for this face
Person person = null;
try {
List<IndependentPair<KEDetectedFace, ScoredAnnotation<Person>>> rfaces = faceEngine.recogniseBest(face.getFacePatch());
ScoredAnnotation<Person> score = rfaces.get(0).getSecondObject();
if (score != null)
person = score.annotation;
} catch (Exception e) {
}
// If not found, create
if (person == null) {
// Create person
person = new Person();
System.out.println("Identified new person: " + person.getIdentifier());
// Train engine to recognize this new person
faceEngine.train(person, face.getFacePatch());
} else {
// This person has been detected before
System.out.println("Identified existing person: " + person.getIdentifier());
}
}
}
}
问题是,它总是检测到人脸如新,即使是在一帧检测到的同一张脸。 rfaces
始终为空。它永远不能识别现有的脸。我究竟做错了什么?
另外,我不知道该EigenFaceRecognizer
创造者函数的参数应该是什么,也许这就是为什么它不承认什么...
感谢您的解释,它比我能找到的任何其他方式都好... – jjv360 2013-03-21 22:39:01