opencv3.0

I'm using OpenCV3, and with the python bindings there is no cv2.cv module: In [1]: import cv2 In [2]: from cv2 import cv --------------------------------------------------------------------------- ImportError Traceback (most recent call last) <ipython-input-2-15a6578c139c> in <module>() ----> 1 from cv2 import cv ImportError: cannot import name cv However, I have some legacy code of the form: hsv_im = cv2.cvtColor(image, cv2.cv.CV_BGR2HSV) When running this, I get the error: In [7]: hsv_im = cv2.cvtColor(image, cv2.cv.CV_BGR2HSV) ----------------------------------------------------------------

I need to use a neural network in my OpenCV (version 3.0) project. I've created and trained neural network and it works, but if I want to load neural network from YML file, it doesn't predict. This is a code where I creat, train and save my neural network: FileStorage fs("nn.yml", FileStorage::WRITE); int input_neurons = 7; int hidden_neurons = 100; int output_neurons = 5; Ptr<TrainData> train_data = TrainData::loadFromCSV("data.csv", 10, 7, 12); Ptr<ANN_MLP> neural_network = ANN_MLP::create(); neural_network->setTrainMethod(ANN_MLP::BACKPROP); neural_network->setBackpropMomentumScale(0.1);

I am using OpenCV 3.0 and whenever I read an image and write it back the result is a washed-out image. code: cv::Mat img = cv::imread("dir/frogImage.jpg",-1); cv::imwrite("dir/result.jpg",img); Does anyone know whats causing this? Original: Result: You can try to increase the compression quality parameter as shown in OpenCV Documentation of cv::imwrite : cv::Mat img = cv::imread("dir/frogImage.jpg",-1); std::vector<int> compression_params; compression_params.push_back(CV_IMWRITE_JPEG_QUALITY); compression_params.push_back(100); cv::imwrite("dir/result.jpg",img, compression_params); Without

I'm trying to update my OpenCV version from 2.4.9 to the newest version, 3.10. I downloaded the Windows binary from here , having navigated there from the official OpenCV site. I then ran the installer, but the opencv\build\x64\vc12\lib directory only contained a couple files: opencv_world310.lib opencv_world310d.lib OpenCVConfig.cmake OpenCVModules.cmake OpenCVModules-debug.cmake OpenCVModules-release.cmake In the past editions though, this directory used to contain the required libraries, like opencv_calib3d249d.lib, opencv_contrib249d.lib, opencv_core249d.lib, etc. I imagine there's