diff --git a/.gitignore b/.gitignore
index 259148f..3e759b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,32 +1,330 @@
-# Prerequisites
-*.d
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
-# Compiled Object files
-*.slo
-*.lo
-*.o
-*.obj
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
-# Precompiled Headers
-*.gch
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.iobj
*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-*.exe
-*.out
-*.app
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
diff --git a/1706-4/dobrohotov_vn/Lab 1/Image/big.jpg b/1706-4/dobrohotov_vn/Lab 1/Image/big.jpg
new file mode 100644
index 0000000..f4e7008
Binary files /dev/null and b/1706-4/dobrohotov_vn/Lab 1/Image/big.jpg differ
diff --git a/1706-4/dobrohotov_vn/Lab 1/Image/big_bus.jpg b/1706-4/dobrohotov_vn/Lab 1/Image/big_bus.jpg
new file mode 100644
index 0000000..e0510ea
Binary files /dev/null and b/1706-4/dobrohotov_vn/Lab 1/Image/big_bus.jpg differ
diff --git a/1706-4/dobrohotov_vn/Lab 1/Image/qwe.png b/1706-4/dobrohotov_vn/Lab 1/Image/qwe.png
new file mode 100644
index 0000000..0f2cc80
Binary files /dev/null and b/1706-4/dobrohotov_vn/Lab 1/Image/qwe.png differ
diff --git a/1706-4/dobrohotov_vn/Lab 1/Image/test.png b/1706-4/dobrohotov_vn/Lab 1/Image/test.png
new file mode 100644
index 0000000..e96cf16
Binary files /dev/null and b/1706-4/dobrohotov_vn/Lab 1/Image/test.png differ
diff --git a/1706-4/dobrohotov_vn/Lab 1/Image/test1.jpg b/1706-4/dobrohotov_vn/Lab 1/Image/test1.jpg
new file mode 100644
index 0000000..dd49b65
Binary files /dev/null and b/1706-4/dobrohotov_vn/Lab 1/Image/test1.jpg differ
diff --git a/1706-4/dobrohotov_vn/Lab 1/Lab 1.sln b/1706-4/dobrohotov_vn/Lab 1/Lab 1.sln
new file mode 100644
index 0000000..6fbdd17
--- /dev/null
+++ b/1706-4/dobrohotov_vn/Lab 1/Lab 1.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.852
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Lab 1", "Lab 1\Lab 1.vcxproj", "{C65582B0-F46D-4393-BAC1-1A482DE700A0}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|x64 = Debug|x64
+ Debug|x86 = Debug|x86
+ Release|x64 = Release|x64
+ Release|x86 = Release|x86
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Debug|x64.ActiveCfg = Debug|x64
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Debug|x64.Build.0 = Debug|x64
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Debug|x86.ActiveCfg = Debug|Win32
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Debug|x86.Build.0 = Debug|Win32
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Release|x64.ActiveCfg = Release|x64
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Release|x64.Build.0 = Release|x64
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Release|x86.ActiveCfg = Release|Win32
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}.Release|x86.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {43D568AE-5142-425C-AAFF-6746EDFE149D}
+ EndGlobalSection
+EndGlobal
diff --git a/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj
new file mode 100644
index 0000000..6a3bfcc
--- /dev/null
+++ b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj
@@ -0,0 +1,133 @@
+
+
+
+
+ Debug
+ Win32
+
+
+ Release
+ Win32
+
+
+ Debug
+ x64
+
+
+ Release
+ x64
+
+
+
+ 15.0
+ {C65582B0-F46D-4393-BAC1-1A482DE700A0}
+ Lab1
+ 10.0.17763.0
+
+
+
+ Application
+ true
+ v141
+ MultiByte
+
+
+ Application
+ false
+ v141
+ true
+ MultiByte
+
+
+ Application
+ true
+ v141
+ MultiByte
+
+
+ Application
+ false
+ v141
+ true
+ MultiByte
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Level3
+ Disabled
+ true
+ true
+
+
+
+
+ Level3
+ Disabled
+ true
+ true
+ D:\opencv\build\include;D:\tbb\include;%(AdditionalIncludeDirectories)
+
+
+ D:\opencv\build\x64\vc15\lib;D:\tbb\lib\intel64\vc14;%(AdditionalLibraryDirectories)
+ opencv_world420d.lib;tbb_debug.lib;%(AdditionalDependencies)
+
+
+
+
+ Level3
+ MaxSpeed
+ true
+ true
+ true
+ true
+
+
+ true
+ true
+
+
+
+
+ Level3
+ MaxSpeed
+ true
+ true
+ true
+ true
+ D:\opencv\build\include;D:\tbb\include;%(AdditionalIncludeDirectories)
+ true
+
+
+ true
+ true
+ D:\opencv\build\x64\vc15\lib;D:\tbb\lib\intel64\vc14;%(AdditionalLibraryDirectories)
+ opencv_world420.lib;tbb.lib;%(AdditionalDependencies)
+ Console
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj.filters b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj.filters
new file mode 100644
index 0000000..41d453a
--- /dev/null
+++ b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Lab 1.vcxproj.filters
@@ -0,0 +1,22 @@
+
+
+
+
+ {4FC737F1-C7A5-4376-A066-2A32D752A2FF}
+ cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx
+
+
+ {93995380-89BD-4b04-88EB-625FBE52EBFB}
+ h;hh;hpp;hxx;hm;inl;inc;ipp;xsd
+
+
+ {67DA6AB6-F800-4c08-8B7A-83BB121AAD01}
+ rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms
+
+
+
+
+ Source Files
+
+
+
\ No newline at end of file
diff --git a/1706-4/dobrohotov_vn/Lab 1/Lab 1/Source.cpp b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Source.cpp
new file mode 100644
index 0000000..7d5ca87
--- /dev/null
+++ b/1706-4/dobrohotov_vn/Lab 1/Lab 1/Source.cpp
@@ -0,0 +1,214 @@
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#define PI 3.14159265358979323846
+
+double* createKernel(const double sigma)
+{
+ double *kernel = new double[9];
+ double sum = 0;
+ for (int i = -1; i <= 1; i++) {
+ for (int j = -1; j <= 1; j++) {
+ kernel[i + j + 2 * (i + 2)] = (exp(-(i * i + j * j) / (2 * sigma * sigma))) / (2 * PI*sigma*sigma);
+ sum += kernel[i + j + 2 * (i + 2)];
+ }
+ }
+ for (int i = -1; i <= 1; i++) {
+ for (int j = -1; j <= 1; j++) {
+ kernel[i + j + 2 * (i + 2)] /= sum;
+ }
+ }
+ return kernel;
+}
+
+void printKernel(const double* const kernel)
+{
+ for (int i = -1; i <= 1; ++i)
+ {
+ for (int j = -1; j <= 1; ++j)
+ std::cout << kernel[i + j + 2 * (i + 2)] << " ";
+ std::cout << std::endl;
+ }
+}
+
+int Clamp(const int num)
+{
+ if (num > 255)
+ return 255;
+ else if (num < 0)
+ return 0;
+ return num;
+
+}
+
+cv::Mat duplicateBorder(const cv::Mat& image)
+{
+ cv::Mat new_image(image.rows + 2, image.cols + 2, CV_8UC1);
+ new_image.at(0, 0) = image.at(0, 0);
+ new_image.at(0, new_image.cols - 1) = image.at(0, image.cols - 1);
+ new_image.at(new_image.rows - 1, 0) = image.at(image.rows - 1, 0);
+ new_image.at(new_image.rows - 1, new_image.cols - 1) = image.at(image.rows - 1, image.cols - 1);
+ for (int i = 0; i < image.cols; i++) {
+ new_image.at(0, i + 1) = image.at(0, i);
+ new_image.at(new_image.rows - 1, i + 1) = image.at(image.rows - 1, i);
+ }
+ for (int i = 0; i < image.rows; i++) {
+ new_image.at(i + 1, 0) = image.at(i, 0);
+ new_image.at(i + 1, new_image.cols - 1) = image.at(i, image.cols - 1);
+ }
+ image.copyTo(new_image(cv::Rect(1, 1, image.cols, image.rows)));
+ return new_image;
+}
+
+cv::Mat gaussSeq(const cv::Mat& image, const double*const kernel)
+{
+ cv::Mat filter = cv::Mat::zeros(image.rows - 2, image.cols - 2, CV_8UC1);
+ for (int y = 1; y < image.rows - 1; ++y)
+ for (int x = 1; x < image.cols - 1; ++x)
+ {
+ double tmp = 0;
+ for (int i = -1; i <= 1; ++i)
+ for (int j = -1; j <= 1; j++)
+ {
+ tmp += image.at(y + i, x + j) * kernel[i + j + 2 * (i + 2)];
+ }
+ filter.at(y - 1, x - 1) = Clamp(static_cast(tmp));
+ }
+ return filter;
+}
+
+cv::Mat gaussOpenMP(const cv::Mat& image, const double*const kernel, int count_threads)
+{
+ cv::Mat filter = cv::Mat::zeros(image.rows - 2, image.cols - 2, CV_8UC1);
+ omp_set_num_threads(count_threads);
+#pragma omp parallel
+ {
+#pragma omp for schedule(dynamic)
+ for (int x = 1; x < image.cols - 1; ++x)
+ {
+ for (int y = 1; y < image.rows - 1; ++y)
+ {
+ double tmp = 0;
+ for (int i = -1; i <= 1; ++i)
+ for (int j = -1; j <= 1; j++)
+ {
+ tmp += image.at(y + i, x + j) * kernel[i + j + 2 * (i + 2)];
+ }
+ filter.at(y - 1, x - 1) = Clamp(static_cast(tmp));
+ }
+ }
+ }
+ return filter;
+}
+
+void funcForTBB(const cv::Mat& src, cv::Mat& dst,const double * const kernel, size_t number_col)
+{
+ for (int y = 1; y < src.rows - 1; ++y)
+ {
+ double tmp = 0;
+ for (int i = -1; i <= 1; ++i)
+ for (int j = -1; j <= 1; ++j)
+ {
+ tmp += src.at(y + i, number_col + j) * kernel[i + j + 2 * (i + 2)];
+ }
+ dst.at(y - 1, number_col - 1) = Clamp(static_cast(tmp));
+ }
+}
+
+cv::Mat gaussTBB(const cv::Mat& image, const double* kernel, const int count_threads)
+{
+ tbb::task_scheduler_init init(count_threads);
+ cv::Mat filter = cv::Mat::zeros(image.rows - 2, image.cols - 2, CV_8UC1);
+ tbb::parallel_for(tbb::blocked_range(1, image.cols-1), [&image, &filter, &kernel](const tbb::blocked_range& r)
+ {
+ for (size_t i = r.begin(); i != r.end(); ++i)
+ {
+ funcForTBB(image, filter, kernel, i);
+ }
+ });
+ return filter;
+}
+
+
+bool checkImages(const cv::Mat& image1, const cv::Mat& image2)
+{
+ cv::Mat res;
+ cv::bitwise_xor(image1, image2, res); //2 equal pixel = 0, 2 different pixel = pixel
+ if (cv::countNonZero(res) > 0)
+ return false;
+ else
+ return true;
+}
+
+int main(int argc, char** argv)
+{
+ std::string path_to_image;
+ cv::Mat original, duplicate;
+ int count_threads;
+ double* kernel;
+ if (argc < 2)
+ path_to_image += "../Image/big.jpg";
+ else
+ path_to_image += argv[1];
+ original = cv::imread(path_to_image);
+ if (original.empty()) {
+ std::cout << "Error load image" << std::endl;
+ return -1;
+ }
+ if (argc < 3)
+ {
+ count_threads = tbb::task_scheduler_init::default_num_threads();
+ }
+ else
+ {
+ count_threads = atoi(argv[2]);
+ if (count_threads == 0)
+ {
+ std::cout << "Error input num threads" << std::endl;
+ return -2;
+ }
+ }
+ if (original.channels() > 1) {
+ cv::cvtColor(original, original, cv::COLOR_BGR2GRAY);
+ std::cout << "image to grey color" << std::endl;
+ }
+ duplicate = duplicateBorder(original);
+ kernel = createKernel(0.85);
+
+ //Linear algorithm
+ cv::Mat filter_seq;
+ tbb::tick_count start_seq = tbb::tick_count::now();
+ filter_seq = gaussSeq(duplicate, kernel);
+ tbb::tick_count finish_seq = tbb::tick_count::now();
+
+ //OpenMP
+ cv::Mat filter_openMP;
+ tbb::tick_count start_openMP = tbb::tick_count::now();
+ filter_openMP = gaussOpenMP(duplicate, kernel, count_threads);
+ tbb::tick_count finish_openMP = tbb::tick_count::now();
+
+ //TBB
+ cv::Mat filter_TBB;
+ tbb::tick_count start_TBB = tbb::tick_count::now();
+ filter_TBB = gaussTBB(duplicate, kernel, count_threads);
+ tbb::tick_count finish_TBB = tbb::tick_count::now();
+
+ std::cout << "Threads: " << count_threads << std::endl;
+ std::cout << "Check algorithms openMP: " << checkImages(filter_seq, filter_openMP) << std::endl;
+ std::cout << "Check algorithms TBB: " << checkImages(filter_seq, filter_TBB) << std::endl;
+ std::cout << "Time seq: " << (finish_seq - start_seq).seconds() << std::endl;
+ std::cout << "Time openMP: " << (finish_openMP - start_openMP).seconds() << std::endl;
+ std::cout << "Time TBB: " << (finish_TBB - start_TBB).seconds() << std::endl;
+ cv::namedWindow("Original", cv::WINDOW_NORMAL);
+ cv::namedWindow("Filter", cv::WINDOW_NORMAL);
+ cv::imshow("Original", original);
+ cv::imshow("Filter", filter_openMP);
+ cv::waitKey();
+ return 0;
+}