From: Bernhard Tittelbach Date: Tue, 26 Mar 2019 00:28:13 +0000 (+0100) Subject: working opencv X-Git-Url: https://git.realraum.at/?p=201903hackathon.git;a=commitdiff_plain;h=b640687357b256462f75c7a08286907825b5a5a1 working opencv --- diff --git a/cpp/sampleMinMax/CMakeCache.txt b/cpp/sampleMinMax/CMakeCache.txt index a1e20e5..2d24f01 100644 --- a/cpp/sampleMinMax/CMakeCache.txt +++ b/cpp/sampleMinMax/CMakeCache.txt @@ -1,5 +1,5 @@ # This is the CMakeCache file. -# For build in directory: /home/bernhard/realraum/2019-03-letsCluster-Hackathon/libroyale-3.21.1.70-LINUX-x86-64Bit/samples/cpp/sampleMinMax +# For build in directory: /mnt/201903hackathon/cpp/sampleMinMax # It was generated by CMake: /usr/bin/cmake # You can edit this file to change values found and used by cmake. # If you do not want to change any of the values, simply exit the editor. @@ -14,259 +14,28 @@ # EXTERNAL cache entries ######################## -//Path to a program. -CMAKE_AR:FILEPATH=/usr/bin/ar - -//Choose the type of build, options are: None(CMAKE_CXX_FLAGS or -// CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel. -CMAKE_BUILD_TYPE:STRING= - 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uint32_t num_max_size=data->height*data->width; - for (auto y = 0u; y < data->height; y++) + uint32_t num_max_size=data->height/3*data->width/3; + for (auto y = data->height/3; y < data->height/3*2; y++) { - for (auto x = 0u; x < data->width; x++) + for (auto x = data->width/3; x < data->width/3*2; x++) { auto point = data->points[y*data->width+x]; if (point.depthConfidence < confidence_threshold_) diff --git a/cpp/sampleOpenCV/CMakeLists.txt b/cpp/sampleOpenCV/CMakeLists.txt new file mode 100644 index 0000000..d9b9d74 --- /dev/null +++ b/cpp/sampleOpenCV/CMakeLists.txt @@ -0,0 +1,42 @@ +cmake_minimum_required(VERSION 2.8) + +# Please insert your OpenCV path +set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "/usr") + +# This needs at least OpenCV 2.x, but it should also work with OpenCV 3.x +find_package(OpenCV) + +if(NOT OpenCV_FOUND) + message("OpenCV example will not be build as no OpenCV was found!") + return() +endif() + +set_target_properties(${OpenCV_LIBS} PROPERTIES MAP_IMPORTED_CONFIG_RELWITHDEBINFO RELEASE) +set_target_properties(${OpenCV_LIBS} PROPERTIES MAP_IMPORTED_CONFIG_MINSIZEREL RELEASE) + +#set(CMAKE_PREFIX_PATH "../../../share") +set(CMAKE_PREFIX_PATH "../../../libroyale-3.21.1.70-LINUX-x86-64Bit/share") + +find_package(royale REQUIRED) + +link_directories(${royale_LIB_DIR}) + +project (sampleOpenCV) + +include_directories( + ${CMAKE_CURRENT_SOURCE_DIR}/../../inc +) + +add_executable(sampleOpenCV + sampleOpenCV.cpp + ) + +if(WIN32) + if(OpenCV_STATIC) + target_compile_options(sampleOpenCV PRIVATE "/MT$<$:d>") + endif() +endif() + +COPY_ROYALE_LIBS(sampleOpenCV) + +target_link_libraries(sampleOpenCV "${royale_LIBS}" "${OpenCV_LIBS}") diff --git a/cpp/sampleOpenCV/sampleOpenCV.cpp b/cpp/sampleOpenCV/sampleOpenCV.cpp new file mode 100644 index 0000000..dd94565 --- /dev/null +++ b/cpp/sampleOpenCV/sampleOpenCV.cpp @@ -0,0 +1,304 @@ +/****************************************************************************\ + * Copyright (C) 2017 Infineon Technologies & pmdtechnologies ag + * + * THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A + * PARTICULAR PURPOSE. + * + \****************************************************************************/ + +#include +#include +#include +#include + +#include + +using namespace royale; +using namespace sample_utils; +using namespace std; +using namespace cv; + +// Linker errors for the OpenCV sample +// +// If this example gives linker errors about undefined references to cv::namedWindow and cv::imshow, +// or QFontEngine::glyphCache and qMessageFormatString (from OpenCV to Qt), it may be caused by a +// change in the compiler's C++ ABI. +// +// With Ubuntu and Debian's distribution packages, the libopencv packages that have 'v5' at the end +// of their name, for example libopencv-video2.4v5, are compatible with GCC 5 (and GCC 6), but +// incompatible with GCC 4.8 and GCC 4.9. The -dev packages don't have the postfix, but depend on +// the v5 (or non-v5) version of the corresponding lib package. When Ubuntu moves to OpenCV 3.0, +// they're likely to drop the postfix (but the packages will be for GCC 5 or later). +// +// If you are manually installing OpenCV or Qt, you need to ensure that the binaries were compiled +// with the same version of the compiler. The version number of the packages themselves doesn't say +// which ABI they use, it depends on which version of the compiler was used. + +class MyListener : public IDepthDataListener +{ + +public : + + MyListener() : + undistortImage (false) + { + } + + void onNewData (const DepthData *data) + { + // this callback function will be called for every new + // depth frame + + std::lock_guard lock (flagMutex); + + // create two images which will be filled afterwards + // each image containing one 32Bit channel + zImage.create (Size (data->width, data->height), CV_32FC1); + grayImage.create (Size (data->width, data->height), CV_32FC1); + + // set the image to zero + zImage = Scalar::all (0); + grayImage = Scalar::all (0); + + int k = 0; + for (int y = 0; y < zImage.rows; y++) + { + float *zRowPtr = zImage.ptr (y); + float *grayRowPtr = grayImage.ptr (y); + for (int x = 0; x < zImage.cols; x++, k++) + { + auto curPoint = data->points.at (k); + if (curPoint.depthConfidence > 0) + { + // if the point is valid, map the pixel from 3D world + // coordinates to a 2D plane (this will distort the image) + zRowPtr[x] = adjustZValue (curPoint.z); + grayRowPtr[x] = adjustGrayValue (curPoint.grayValue); + } + } + } + + // create images to store the 8Bit version (some OpenCV + // functions may only work on 8Bit images) + zImage8.create (Size (data->width, data->height), CV_8UC1); + grayImage8.create (Size (data->width, data->height), CV_8UC1); + + // convert images to the 8Bit version + // This sample uses a fixed scaling of the values to (0, 255) to avoid flickering. + // You can also replace this with an automatic scaling by using + // normalize(zImage, zImage8, 0, 255, NORM_MINMAX, CV_8UC1) + // normalize(grayImage, grayImage8, 0, 255, NORM_MINMAX, CV_8UC1) + zImage.convertTo (zImage8, CV_8UC1); + grayImage.convertTo (grayImage8, CV_8UC1); + + if (undistortImage) + { + // call the undistortion function on the z image + Mat temp = zImage8.clone(); + undistort (temp, zImage8, cameraMatrix, distortionCoefficients); + } + + // scale and display the depth image + scaledZImage.create (Size (data->width * 4, data->height * 4), CV_8UC1); + resize (zImage8, scaledZImage, scaledZImage.size()); + + imshow ("Depth", scaledZImage); + + if (undistortImage) + { + // call the undistortion function on the gray image + Mat temp = grayImage8.clone(); + undistort (temp, grayImage8, cameraMatrix, distortionCoefficients); + } + + // scale and display the gray image + scaledGrayImage.create (Size (data->width * 4, data->height * 4), CV_8UC1); + resize (grayImage8, scaledGrayImage, scaledGrayImage.size()); + + imshow ("Gray", scaledGrayImage); + } + + void setLensParameters (const LensParameters &lensParameters) + { + // Construct the camera matrix + // (fx 0 cx) + // (0 fy cy) + // (0 0 1 ) + cameraMatrix = (Mat1d (3, 3) << lensParameters.focalLength.first, 0, lensParameters.principalPoint.first, + 0, lensParameters.focalLength.second, lensParameters.principalPoint.second, + 0, 0, 1); + + // Construct the distortion coefficients + // k1 k2 p1 p2 k3 + distortionCoefficients = (Mat1d (1, 5) << lensParameters.distortionRadial[0], + lensParameters.distortionRadial[1], + lensParameters.distortionTangential.first, + lensParameters.distortionTangential.second, + lensParameters.distortionRadial[2]); + } + + void toggleUndistort() + { + std::lock_guard lock (flagMutex); + undistortImage = !undistortImage; + } + +private: + + // adjust z value to fit fixed scaling, here max dist is 2.5m + // the max dist here is used as an example and can be modified + float adjustZValue (float zValue) + { + float clampedDist = std::min (2.5f, zValue); + float newZValue = clampedDist / 2.5f * 255.0f; + return newZValue; + } + + // adjust gray value to fit fixed scaling, here max value is 180 + // the max value here is used as an example and can be modified + float adjustGrayValue (uint16_t grayValue) + { + float clampedVal = std::min (180.0f, grayValue * 1.0f); + float newGrayValue = clampedVal / 180.f * 255.0f; + return newGrayValue; + } + + // define images for depth and gray + // and for their 8Bit and scaled versions + Mat zImage, zImage8, scaledZImage; + Mat grayImage, grayImage8, scaledGrayImage; + + // lens matrices used for the undistortion of + // the image + Mat cameraMatrix; + Mat distortionCoefficients; + + std::mutex flagMutex; + bool undistortImage; +}; + +int main (int argc, char *argv[]) +{ + // Windows requires that the application allocate these, not the DLL. + PlatformResources resources; + + // This is the data listener which will receive callbacks. It's declared + // before the cameraDevice so that, if this function exits with a 'return' + // statement while the camera is still capturing, it will still be in scope + // until the cameraDevice's destructor implicitly de-registers the listener. + MyListener listener; + + // this represents the main camera device object + std::unique_ptr cameraDevice; + + // the camera manager will query for a connected camera + { + CameraManager manager; + + // check the number of arguments + if (argc > 1) + { + // if the program was called with an argument try to open this as a file + cout << "Trying to open : " << argv[1] << endl; + cameraDevice = manager.createCamera (argv[1]); + } + else + { + // if no argument was given try to open the first connected camera + royale::Vector camlist (manager.getConnectedCameraList()); + cout << "Detected " << camlist.size() << " camera(s)." << endl; + + if (!camlist.empty()) + { + cameraDevice = manager.createCamera (camlist[0]); + } + else + { + cerr << "No suitable camera device detected." << endl + << "Please make sure that a supported camera is plugged in, all drivers are " + << "installed, and you have proper USB permission" << endl; + return 1; + } + + camlist.clear(); + } + } + // the camera device is now available and CameraManager can be deallocated here + + if (cameraDevice == nullptr) + { + // no cameraDevice available + if (argc > 1) + { + cerr << "Could not open " << argv[1] << endl; + return 1; + } + else + { + cerr << "Cannot create the camera device" << endl; + return 1; + } + } + + // IMPORTANT: call the initialize method before working with the camera device + auto status = cameraDevice->initialize(); + if (status != CameraStatus::SUCCESS) + { + cerr << "Cannot initialize the camera device, error string : " << getErrorString (status) << endl; + return 1; + } + + // retrieve the lens parameters from Royale + LensParameters lensParameters; + status = cameraDevice->getLensParameters (lensParameters); + if (status != CameraStatus::SUCCESS) + { + cerr << "Can't read out the lens parameters" << endl; + return 1; + } + + listener.setLensParameters (lensParameters); + + // register a data listener + if (cameraDevice->registerDataListener (&listener) != CameraStatus::SUCCESS) + { + cerr << "Error registering data listener" << endl; + return 1; + } + + // create two windows + namedWindow ("Depth", WINDOW_AUTOSIZE); + namedWindow ("Gray", WINDOW_AUTOSIZE); + + // start capture mode + if (cameraDevice->startCapture() != CameraStatus::SUCCESS) + { + cerr << "Error starting the capturing" << endl; + return 1; + } + + int currentKey = 0; + + while (currentKey != 27) + { + // wait until a key is pressed + currentKey = waitKey (0) & 255; + + if (currentKey == 'd') + { + // toggle the undistortion of the image + listener.toggleUndistort(); + } + } + + // stop capture mode + if (cameraDevice->stopCapture() != CameraStatus::SUCCESS) + { + cerr << "Error stopping the capturing" << endl; + return 1; + } + + return 0; +}