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使用用于OpenCV 3.1的JavaCPP绑定,使用Scala编写的代码。这些方法几乎与C++中的OpenCV 3.1一致。我正在尝试创建仿射变换矩阵,以便使用地标可以对图像进行变形。然而,getAffineTransform
方法失败,出现以下错误:如何为仿射变换创建一个形状为[3,2]的OpenCV Mat?
java.lang.RuntimeException: /Users/saudet/projects/bytedeco/javacpp-presets/opencv/cppbuild/macosx-x86_64/opencv-3.1.0/modules/imgproc/src/imgwarp.cpp:6360:
error: (-215) src.checkVector(2, CV_32F) == 3 && dst.checkVector(2, CV_32F) == 3 in function getAffineTransform
at org.bytedeco.javacpp.opencv_imgproc.getAffineTransform(flandmarkTest.sc0.tmp)
at #worksheet#.H$lzycompute(flandmarkTest.sc0.tmp:82)
at #worksheet#.H(flandmarkTest.sc0.tmp:82)
at #worksheet#.get$$instance$$H(flandmarkTest.sc0.tmp:82)
at #worksheet#.#worksheet#(flandmarkTest.sc0.tmp:236)
这里是我的代码,我有一种感觉,我没有正确设置垫的值,但我会怎么做呢?
val landmarkM = new Mat()
landmarkM.put(new Scalar(outerEyeLeft(0),outerEyeLeft(1)))
landmarkM.put(new Scalar(outerEyeRight(0),outerEyeRight(1)))
landmarkM.put(new Scalar(nose(0),nose(1)))
val imgDim = img_grayscale.width()
val refM = new Mat()
refM.put(new Scalar(template(1)(0)*imgDim,template(1)(1)*imgDim))
refM.put(new Scalar(template(4)(0)*imgDim,template(4)(1)*imgDim))
refM.put(new Scalar(template(5)(0)*imgDim,template(5)(1)*imgDim))
refM.checkVector(2) // returns -1
landmarkM.checkVector(2) // returns -1
val H: Mat = getAffineTransform(landmarkM, refM)