| /** |
| * Copyright (C) 2020 Savoir-faire Linux Inc. |
| * |
| * Author: Aline Gondim Santos <aline.gondimsantos@savoirfairelinux.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
| * USA. |
| */ |
| |
| #include "pluginProcessor.h" |
| // System includes |
| #include <algorithm> |
| #include <cstring> |
| // OpenCV headers |
| #include <opencv2/core.hpp> |
| #include <opencv2/imgcodecs.hpp> |
| #include <opencv2/imgproc.hpp> |
| // Logger |
| #include <pluglog.h> |
| |
| extern "C" { |
| #include <libavutil/display.h> |
| } |
| |
| const char sep = separator(); |
| |
| const std::string TAG = "FORESEG"; |
| |
| PluginParameters* mPluginParameters = getGlobalPluginParameters(); |
| |
| namespace jami { |
| |
| PluginProcessor::PluginProcessor(const std::string& dataPath) |
| : pluginInference {TFModel {dataPath + sep + "models" + sep + mPluginParameters->model}} |
| { |
| initModel(); |
| setBackgroundImage(mPluginParameters->image); |
| } |
| |
| void |
| PluginProcessor::setBackgroundImage(const std::string& backgroundPath) |
| { |
| cv::Size size = cv::Size {0, 0}; |
| |
| if (!backgroundImage.empty()) |
| size = backgroundImage.size(); |
| |
| cv::Mat newBackgroundImage = cv::imread(backgroundPath); |
| if (newBackgroundImage.cols == 0) { |
| Plog::log(Plog::LogPriority::ERR, TAG, "Background image not Loaded"); |
| } else { |
| Plog::log(Plog::LogPriority::INFO, TAG, "Background image Loaded"); |
| cv::cvtColor(newBackgroundImage, newBackgroundImage, cv::COLOR_BGR2RGB); |
| newBackgroundImage.convertTo(newBackgroundImage, CV_32FC3); |
| if (size.height) { |
| cv::resize(newBackgroundImage, newBackgroundImage, size); |
| backgroundRotation = 0; |
| } |
| backgroundImage = newBackgroundImage.clone(); |
| newBackgroundImage.release(); |
| hasBackground_ = true; |
| } |
| } |
| |
| void |
| PluginProcessor::initModel() |
| { |
| try { |
| pluginInference.init(); |
| } catch (std::exception& e) { |
| Plog::log(Plog::LogPriority::ERR, TAG, e.what()); |
| } |
| std::ostringstream oss; |
| oss << "Model is allocated " << pluginInference.isAllocated(); |
| Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| } |
| |
| #ifdef TFLITE |
| void |
| PluginProcessor::feedInput(const cv::Mat& frame) |
| { |
| auto pair = pluginInference.getInput(); |
| uint8_t* inputPointer = pair.first; |
| |
| cv::Mat temp(frame.rows, frame.cols, CV_8UC3, inputPointer); |
| frame.convertTo(temp, CV_8UC3); |
| |
| inputPointer = nullptr; |
| } |
| #else |
| void |
| PluginProcessor::feedInput(const cv::Mat& frame) |
| { |
| pluginInference.ReadTensorFromMat(frame); |
| } |
| #endif // TFLITE |
| |
| int |
| PluginProcessor::getBackgroundRotation() |
| { |
| return backgroundRotation; |
| } |
| |
| void |
| PluginProcessor::setBackgroundRotation(int angle) |
| { |
| if (backgroundRotation != angle && (backgroundRotation - angle) != 0) { |
| switch (backgroundRotation - angle) { |
| case 90: |
| cv::rotate(backgroundImage, backgroundImage, cv::ROTATE_90_CLOCKWISE); |
| break; |
| case 180: |
| cv::rotate(backgroundImage, backgroundImage, cv::ROTATE_180); |
| break; |
| case -180: |
| cv::rotate(backgroundImage, backgroundImage, cv::ROTATE_180); |
| break; |
| case -90: |
| cv::rotate(backgroundImage, backgroundImage, cv::ROTATE_90_COUNTERCLOCKWISE); |
| break; |
| } |
| backgroundRotation = angle; |
| } |
| } |
| |
| void |
| PluginProcessor::computePredictions() |
| { |
| // Run the graph |
| pluginInference.runGraph(); |
| auto predictions = pluginInference.masksPredictions(); |
| |
| // Save the predictions |
| computedMask = predictions; |
| } |
| |
| void |
| PluginProcessor::printMask() |
| { |
| for (size_t i = 0; i < computedMask.size(); i++) { |
| // Log the predictions |
| std::ostringstream oss; |
| oss << "\nclass: " << computedMask[i] << std::endl; |
| Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| } |
| } |
| |
| void |
| copyByLine(uchar* frameData, uchar* applyMaskData, const int lineSize, cv::Size size) |
| { |
| if (3 * size.width == lineSize) { |
| std::memcpy(frameData, applyMaskData, size.height * size.width * 3); |
| ; |
| } else { |
| int rows = size.height; |
| int offset = 0; |
| int maskoffset = 0; |
| for (int i = 0; i < rows; i++) { |
| std::memcpy(frameData + offset, applyMaskData + maskoffset, lineSize); |
| offset += lineSize; |
| maskoffset += 3 * size.width; |
| } |
| } |
| } |
| |
| void |
| PluginProcessor::drawMaskOnFrame( |
| cv::Mat& frame, cv::Mat& frameReduced, std::vector<float> computedMask, int lineSize, int angle) |
| { |
| if (computedMask.empty()) { |
| return; |
| } |
| if (previousMasks[0].empty()) { |
| previousMasks[0] = cv::Mat(frameReduced.rows, frameReduced.cols, CV_32FC1, double(0.)); |
| previousMasks[1] = cv::Mat(frameReduced.rows, frameReduced.cols, CV_32FC1, double(0.)); |
| } |
| int maskSize = static_cast<int>(std::sqrt(computedMask.size())); |
| cv::Mat maskImg(maskSize, maskSize, CV_32FC1, computedMask.data()); |
| |
| rotateFrame(-angle, maskImg); |
| #ifdef TFLITE |
| for (int i = 0; i < maskImg.cols; i++) { |
| for (int j = 0; j < maskImg.rows; j++) { |
| if (maskImg.at<float>(j, i) == 15) |
| maskImg.at<float>(j, i) = 255.; |
| else |
| maskImg.at<float>(j, i) = (float) ((int) ((0.6 * maskImg.at<float>(j, i) |
| + 0.3 * previousMasks[0].at<float>(j, i) |
| + 0.1 * previousMasks[1].at<float>(j, i))) |
| % 256); |
| } |
| } |
| #else // TFLITE |
| cv::resize(maskImg, maskImg, cv::Size(frameReduced.cols, frameReduced.rows)); |
| |
| double m, M; |
| cv::minMaxLoc(maskImg, &m, &M); |
| |
| if (M < 2) { // avoid detection if there is any one in frame |
| maskImg = 0. * maskImg; |
| } else { |
| for (int i = 0; i < maskImg.cols; i++) { |
| for (int j = 0; j < maskImg.rows; j++) { |
| maskImg.at<float>(j, i) = (maskImg.at<float>(j, i) - m) / (M - m); |
| |
| if (maskImg.at<float>(j, i) < 0.4) |
| maskImg.at<float>(j, i) = 0.; |
| else if (maskImg.at<float>(j, i) < 0.7) { |
| float value = maskImg.at<float>(j, i) * 0.6 |
| + previousMasks[0].at<float>(j, i) * 0.3 |
| + previousMasks[1].at<float>(j, i) * 0.1; |
| maskImg.at<float>(j, i) = 0.; |
| if (value > 0.7) |
| maskImg.at<float>(j, i) = 1.; |
| } else |
| maskImg.at<float>(j, i) = 1.; |
| } |
| } |
| } |
| #endif |
| |
| previousMasks[1] = previousMasks[0].clone(); |
| previousMasks[0] = maskImg.clone(); |
| |
| kSize = cv::Size(maskImg.cols * 0.05, maskImg.rows * 0.05); |
| if (kSize.height % 2 == 0) |
| kSize.height -= 1; |
| if (kSize.width % 2 == 0) |
| kSize.width -= 1; |
| |
| #ifndef TFLITE |
| cv::dilate(maskImg, maskImg, cv::getStructuringElement(cv::MORPH_CROSS, kSize)); |
| maskImg = maskImg * 255.; |
| #endif |
| GaussianBlur(maskImg, maskImg, kSize, 0); // mask from 0 to 255. |
| maskImg = maskImg / 255.; |
| |
| cv::Mat applyMask = frameReduced.clone(); |
| cv::Mat roiMaskImg = maskImg.clone(); |
| cv::Mat roiMaskImgComplementary = 1. - roiMaskImg; // mask from 1. to 0 |
| |
| std::vector<cv::Mat> channels; |
| std::vector<cv::Mat> channelsComplementary; |
| |
| channels.emplace_back(roiMaskImg); |
| channels.emplace_back(roiMaskImg); |
| channels.emplace_back(roiMaskImg); |
| channelsComplementary.emplace_back(roiMaskImgComplementary); |
| channelsComplementary.emplace_back(roiMaskImgComplementary); |
| channelsComplementary.emplace_back(roiMaskImgComplementary); |
| |
| cv::merge(channels, roiMaskImg); |
| cv::merge(channelsComplementary, roiMaskImgComplementary); |
| |
| int origType = frameReduced.type(); |
| int roiMaskType = roiMaskImg.type(); |
| |
| applyMask.convertTo(applyMask, roiMaskType); |
| applyMask = applyMask.mul(roiMaskImg); |
| applyMask += backgroundImage.mul(roiMaskImgComplementary); |
| applyMask.convertTo(applyMask, origType); |
| |
| cv::resize(applyMask, applyMask, cv::Size(frame.cols, frame.rows)); |
| |
| copyByLine(frame.data, applyMask.data, lineSize, cv::Size(frame.cols, frame.rows)); |
| } |
| |
| void |
| PluginProcessor::rotateFrame(int angle, cv::Mat& mat) |
| { |
| if (angle != 0) { |
| switch (angle) { |
| case -90: |
| cv::rotate(mat, mat, cv::ROTATE_90_COUNTERCLOCKWISE); |
| break; |
| case 180: |
| cv::rotate(mat, mat, cv::ROTATE_180); |
| break; |
| case -180: |
| cv::rotate(mat, mat, cv::ROTATE_180); |
| break; |
| case 90: |
| cv::rotate(mat, mat, cv::ROTATE_90_CLOCKWISE); |
| break; |
| } |
| } |
| } |
| |
| bool |
| PluginProcessor::hasBackground() const |
| { |
| return hasBackground_; |
| } |
| } // namespace jami |