我正在尝试对一张三通道的彩色图像运行kmeans算法,但每次尝试执行该函数时,都会出现以下错误导致程序崩溃:
OpenCV Error: Assertion failed (data.dims <= 2 && type == CV_32F && K > 0) in unknown function, file ..\..\..\OpenCV-2.3.0\modules\core\src\matrix.cpp, line 2271
我已经将下面的代码包含,同时添加了一些注释以帮助说明传递的内容。非常感谢您提供的任何帮助。
// Load in an image
// Depth: 8, Channels: 3
IplImage* iplImage = cvLoadImage("C:/TestImages/rainbox_box.jpg");
// Create a matrix to the image
cv::Mat mImage = cv::Mat(iplImage);
// Create a single channel image to create our labels needed
IplImage* iplLabels = cvCreateImage(cvGetSize(iplImage), iplImage->depth, 1);
// Convert the image to grayscale
cvCvtColor(iplImage, iplLabels, CV_RGB2GRAY);
// Create the matrix for the labels
cv::Mat mLabels = cv::Mat(iplLabels);
// Create the labels
int rows = mLabels.total();
int cols = 1;
cv::Mat list(rows, cols, mLabels .type());
uchar* src;
uchar* dest = list.ptr(0);
for(int i=0; i<mLabels.size().height; i++)
{
src = mLabels.ptr(i);
memcpy(dest, src, mLabels.step);
dest += mLabels.step;
}
list.convertTo(list, CV_32F);
// Run the algorithm
cv::Mat labellist(list.size(), CV_8UC1);
cv::Mat centers(6, 1, mImage.type());
cv::TermCriteria termcrit(CV_TERMCRIT_EPS+CV_TERMCRIT_ITER, 10, 1.0);
kmeans(mImage, 6, labellist, termcrit, 3, cv::KMEANS_PP_CENTERS, centers);
iplImage->depth
和iplImage->nChannels
是两个不同的东西。您需要将iplImage转换为其IPL_DEPTH_32F等效项。就这样。请查看此答案以了解如何执行此操作:https://dev59.com/xljUa4cB1Zd3GeqPPj4m - karlphillipiplImage
的通道数为1。将其修复为cvCreateImage(cvGetSize(iplImage), IPL_DEPTH_32F, iplImage->nChannels);
。 - karlphillip