annotatorplugin_caffe_ssd/ssd.cpp at master · annotatorproject/annotatorplugin_caffe_ssd · GitHub

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// source:

// https://github.com/weiliu89/caffe/blob/ssd/examples/ssd/ssd_detect.cpp

#include "ssd.h"

#include "widget.h"

#include <AnnotatorLib/Annotation.h>

#include <AnnotatorLib/Commands/NewAnnotation.h>

#include <AnnotatorLib/Commands/UpdateAnnotation.h>

#include <AnnotatorLib/Frame.h>

#include <AnnotatorLib/Object.h>

#include <AnnotatorLib/Session.h>

#include <opencv2/core/core.hpp>

#include <opencv2/imgproc/imgproc.hpp>

#include <ctype.h>

#include <iostream>

#include <memory>

#include <chrono>

#include <thread>

using namespace Annotator::Plugins;

Annotator::Plugins::SSD::SSD() { widget.setSSD(this); }

SSD::~SSD() {}

QString SSD::getName() { return "Caffe SSD"; }

QWidget *SSD::getWidget() { return &widget; }

bool SSD::setFrame(shared_ptr<Frame> frame, cv::Mat image) {

this->lastFrame = this->frame;

this->frame = frame;

this->frameImg = image;

return lastFrame != frame;

}

// first call

void SSD::setObject(shared_ptr<Object> object) {

if (object != this->object) {

this->object = object;

}

shared_ptr<Object> SSD::getObject() const { return object; }

void SSD::setLastAnnotation(shared_ptr<Annotation> /*annotation*/) {}

std::vector<shared_ptr<Commands::Command>> SSD::getCommands() {

std::vector<shared_ptr<Commands::Command>> commands;

if (frame == nullptr || lastFrame == nullptr || lastFrame == frame ||

frameImg.cols < 1)

return commands;

try {

initDetector();

std::vector<std::vector<float>> detections =

detector->Detect(this->frameImg);

int label;

float score;

int xmin;

int ymin;

int xmax;

int ymax;

for (int i = 0; i < detections.size(); ++i) {

const std::vector<float> &d = detections[i];

// Detection format: [image_id, label, score, xmin, ymin, xmax, ymax].

score = d[2];

if (score >= confidence_threshold) {

label = static_cast<int>(d[1]);

xmin = static_cast<int>(d[3] * frameImg.cols);

ymin = static_cast<int>(d[4] * frameImg.rows);

xmax = static_cast<int>(d[5] * frameImg.cols);

ymax = static_cast<int>(d[6] * frameImg.rows);

std::shared_ptr<Class> labelClass = getClass(label);

if (labelClass) {

int objectId = AnnotatorLib::Object::genId();

int width = xmax - xmin;

int height = ymax - ymin;

shared_ptr<Commands::NewAnnotation> nA =

std::make_shared<Commands::NewAnnotation>(

objectId, labelClass, project->getSession(), this->frame,

xmin, ymin, width, height, score, false);

commands.push_back(nA);

}

} catch (std::exception &e) {

}

return commands;

}

void SSD::setPrototxt(std::string file) {

this->prototxt_file = file;

modelLoaded = false;

}

void SSD::setCaffemodel(std::string file) {

this->caffemodel_file = file;

modelLoaded = false;

}

void SSD::setLabelmap(std::string file) {

this->labelmap_file = file;

modelLoaded = false;

}

void SSD::setConfidenceThreshold(float threshold) {

this->confidence_threshold = threshold;

}

void SSD::initDetector() {

if (modelLoaded) return;

if (detector) {

delete detector;

}

const std::string mean_file = "";

detector =

new Detector(prototxt_file, caffemodel_file, mean_file, "104,117,123");

labels.clear();

labels.push_back("background");

labels.push_back("aeroplane");

labels.push_back("bicycle");

labels.push_back("bird");

labels.push_back("boat");

labels.push_back("bottle");

labels.push_back("bus");

labels.push_back("car");

labels.push_back("chair");

labels.push_back("cow");

labels.push_back("diningtable");

labels.push_back("dog");

labels.push_back("horse");

labels.push_back("motorbike");

labels.push_back("person");

labels.push_back("pottedplant");

labels.push_back("sheep");

labels.push_back("sofa");

labels.push_back("train");

labels.push_back("tvmonitor");

modelLoaded = true;

}

std::shared_ptr<Class> SSD::getClass(int label) {

try {

std::string className = labels[label];

return this->project->getSession()->getClass(className);

} catch (...) {

return nullptr;

}

QPixmap SSD::getImgCrop(shared_ptr<AnnotatorLib::Annotation> annotation,

int size) const {

if (annotation == nullptr) return QPixmap();

cv::Mat cropped = getImg(annotation);

cropped.convertTo(cropped, CV_8U);

cv::cvtColor(cropped, cropped, CV_BGR2RGB);

QImage img((const unsigned char *)(cropped.data), cropped.cols, cropped.rows,

cropped.step, QImage::Format_RGB888);

QPixmap pim = QPixmap::fromImage(img);

pim = pim.scaledToHeight(size);

return pim;

}

cv::Mat SSD::getImg(shared_ptr<Annotation> annotation) const {

cv::Mat tmp = project->getImageSet()->getImage(

annotation->getFrame()->getFrameNumber());

float x = std::max(annotation->getX(), 0.f);

float y = std::max(annotation->getY(), 0.f);

float w = std::min(annotation->getWidth(), tmp.cols - x);

float h = std::min(annotation->getHeight(), tmp.rows - y);

cv::Rect rect(x, y, w, h);

cv::Mat cropped;

try {

tmp(rect).copyTo(cropped);

} catch (cv::Exception &e) {

std::cout << e.what();

}

return cropped;

}

annotatorplugin_caffe_ssd/ssd.cpp at master · annotatorproject/annotatorplugin_caffe_ssd · GitHub

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