Initial commit
This commit is contained in:
+352
@@ -0,0 +1,352 @@
|
||||
## 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
|
||||
|
||||
# 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/
|
||||
.vscode/
|
||||
# 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
|
||||
|
||||
# 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
|
||||
*_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
|
||||
|
||||
# MFractors (Xamarin productivity tool) working folder
|
||||
.mfractor/
|
||||
/.dotnet
|
||||
/.packages
|
||||
/.tools/vswhere/2.5.2
|
||||
/.tools/vswhere/3.1.7
|
||||
/.tools/native/iltools
|
||||
|
||||
### OSX ###
|
||||
|
||||
.DS_Store
|
||||
.AppleDouble
|
||||
.LSOverride
|
||||
|
||||
# Directories potentially created on remote AFP share
|
||||
.AppleDB
|
||||
.AppleDesktop
|
||||
Network Trash Folder
|
||||
Temporary Items
|
||||
.apdisk
|
||||
|
||||
# Exceptions to the exclusions
|
||||
!src/Microsoft.DotNet.Wpf/src/WpfGfx/codegen/mcg/main/*.rsp
|
||||
!src/Microsoft.DotNet.Wpf/src/WpfGfx/tools/csp/**/*.rsp
|
||||
@@ -0,0 +1,9 @@
|
||||
<Application x:Class="DSPS_Lab3.App"
|
||||
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
||||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
||||
xmlns:local="clr-namespace:DSPS_Lab3"
|
||||
StartupUri="MainWindow.xaml">
|
||||
<Application.Resources>
|
||||
|
||||
</Application.Resources>
|
||||
</Application>
|
||||
+12
@@ -0,0 +1,12 @@
|
||||
using System.Configuration;
|
||||
using System.Data;
|
||||
using System.Windows;
|
||||
|
||||
namespace DSPS_Lab3;
|
||||
/// <summary>
|
||||
/// Interaction logic for App.xaml
|
||||
/// </summary>
|
||||
public partial class App : Application
|
||||
{
|
||||
}
|
||||
|
||||
@@ -0,0 +1,10 @@
|
||||
using System.Windows;
|
||||
|
||||
[assembly: ThemeInfo(
|
||||
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
|
||||
//(used if a resource is not found in the page,
|
||||
// or application resource dictionaries)
|
||||
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
|
||||
//(used if a resource is not found in the page,
|
||||
// app, or any theme specific resource dictionaries)
|
||||
)]
|
||||
@@ -0,0 +1,17 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>WinExe</OutputType>
|
||||
<TargetFramework>net10.0-windows</TargetFramework>
|
||||
<Nullable>enable</Nullable>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<UseWPF>true</UseWPF>
|
||||
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<PackageReference Include="MathNet.Numerics" Version="5.0.0" />
|
||||
<PackageReference Include="MathNet.Numerics.MKL.Win-x64" Version="3.0.0" />
|
||||
</ItemGroup>
|
||||
|
||||
</Project>
|
||||
@@ -0,0 +1,3 @@
|
||||
<Solution>
|
||||
<Project Path="DSPS_Lab3.csproj" />
|
||||
</Solution>
|
||||
@@ -0,0 +1,58 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Text;
|
||||
using System.Windows;
|
||||
using System.Windows.Media.Imaging;
|
||||
|
||||
namespace DSPS_Lab3;
|
||||
|
||||
public static class Ex
|
||||
{
|
||||
public static float[,] GenerateSpatialKernel(int size, float sigma)
|
||||
{
|
||||
var kernel = new float[size, size];
|
||||
float sum = 0;
|
||||
var half = size / 2;
|
||||
|
||||
// Use <= half to ensure the full kernel is covered
|
||||
for (var y = -half; y <= half; y++)
|
||||
{
|
||||
for (var x = -half; x <= half; x++)
|
||||
{
|
||||
// Optional: Bounds check for odd/even sizes
|
||||
if (y + half >= size || x + half >= size) continue;
|
||||
|
||||
var val = (float)Math.Exp(-(x * x + y * y) / (2 * sigma * sigma));
|
||||
kernel[y + half, x + half] = val;
|
||||
sum += val;
|
||||
}
|
||||
}
|
||||
|
||||
for (var y = 0; y < size; y++)
|
||||
for (var x = 0; x < size; x++)
|
||||
kernel[y, x] /= sum;
|
||||
|
||||
return kernel;
|
||||
}
|
||||
|
||||
public static float[,] PadAndShiftKernel(float[,] smallKernel, int imgWidth, int imgHeight)
|
||||
{
|
||||
var fullKernel = new float[imgHeight, imgWidth];
|
||||
int kHeight = smallKernel.GetLength(0);
|
||||
int kWidth = smallKernel.GetLength(1);
|
||||
int radY = kHeight / 2;
|
||||
int radX = kWidth / 2;
|
||||
|
||||
for (int y = 0; y < kHeight; y++)
|
||||
{
|
||||
for (int x = 0; x < kWidth; x++)
|
||||
{
|
||||
// Circular shift: maps kernel center to (0,0)
|
||||
int targetY = (y - radY + imgHeight) % imgHeight;
|
||||
int targetX = (x - radX + imgWidth) % imgWidth;
|
||||
fullKernel[targetY, targetX] = smallKernel[y, x];
|
||||
}
|
||||
}
|
||||
return fullKernel;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,88 @@
|
||||
<Window x:Class="DSPS_Lab3.MainWindow"
|
||||
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
||||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
||||
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
|
||||
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
|
||||
xmlns:local="clr-namespace:DSPS_Lab3"
|
||||
mc:Ignorable="d"
|
||||
Title="MainWindow" Height="450" Width="800">
|
||||
<Grid>
|
||||
<Grid.ColumnDefinitions>
|
||||
<ColumnDefinition Width="*"/>
|
||||
<ColumnDefinition Width="*"/>
|
||||
<ColumnDefinition Width="*"/>
|
||||
</Grid.ColumnDefinitions>
|
||||
<Grid.RowDefinitions>
|
||||
<RowDefinition Height="*"/>
|
||||
<RowDefinition Height="Auto"/>
|
||||
<RowDefinition Height="64"/>
|
||||
</Grid.RowDefinitions>
|
||||
<Image x:Name="MainImage" Grid.Column="0" Grid.Row="0" Margin="10" Stretch="Uniform">
|
||||
<Image.Style>
|
||||
<Style TargetType="Image">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="NearestNeighbor" />
|
||||
<Style.Triggers>
|
||||
<DataTrigger Binding="{Binding IsChecked, ElementName=QualityToggle}" Value="True">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="HighQuality" />
|
||||
</DataTrigger>
|
||||
</Style.Triggers>
|
||||
</Style>
|
||||
</Image.Style>
|
||||
</Image>
|
||||
<ProgressBar x:Name="progressBar1" Grid.Column="1" Grid.Row="0" VerticalAlignment="Stretch" Orientation="Vertical">
|
||||
<ProgressBar.LayoutTransform>
|
||||
<RotateTransform Angle="180" />
|
||||
</ProgressBar.LayoutTransform>
|
||||
</ProgressBar>
|
||||
<CheckBox x:Name="QualityToggle" Content="Smooth" />
|
||||
<Image x:Name="SlowImage" Grid.Column="1" Grid.Row="0" Margin="10" Stretch="Uniform">
|
||||
<Image.Style>
|
||||
<Style TargetType="Image">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="NearestNeighbor" />
|
||||
<Style.Triggers>
|
||||
<DataTrigger Binding="{Binding IsChecked, ElementName=QualityToggle}" Value="True">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="HighQuality" />
|
||||
</DataTrigger>
|
||||
</Style.Triggers>
|
||||
</Style>
|
||||
</Image.Style>
|
||||
</Image>
|
||||
<Image x:Name="FastImage" Grid.Column="2" Grid.Row="0" Margin="10" Stretch="Uniform">
|
||||
<Image.Style>
|
||||
<Style TargetType="Image">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="NearestNeighbor" />
|
||||
<Style.Triggers>
|
||||
<DataTrigger Binding="{Binding IsChecked, ElementName=QualityToggle}" Value="True">
|
||||
<Setter Property="RenderOptions.BitmapScalingMode" Value="HighQuality" />
|
||||
</DataTrigger>
|
||||
</Style.Triggers>
|
||||
</Style>
|
||||
</Image.Style>
|
||||
</Image>
|
||||
|
||||
<GridSplitter Grid.ColumnSpan="3" Grid.Row="1" Height="2" HorizontalAlignment="Stretch" ResizeDirection="Rows"/>
|
||||
|
||||
<Grid Grid.Column="0" Grid.Row="2">
|
||||
<Grid.ColumnDefinitions>
|
||||
<ColumnDefinition Width="*"/>
|
||||
<ColumnDefinition Width="*"/>
|
||||
</Grid.ColumnDefinitions>
|
||||
<Button Grid.Column="0" Margin="10" Content="Load Image" FontSize="20px" Click="LoadImageClick"/>
|
||||
<Button Grid.Column="1" Margin="10" Content="Save Images" FontSize="20px" Click="SaveImagesClick"/>
|
||||
</Grid>
|
||||
<StackPanel Grid.Column="1" Grid.Row="2" Margin="10" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
|
||||
<Label Content="{Binding ElementName=kernelSize, Path=Value}" ContentStringFormat="Kernel size: {0}" FontSize="20px"/>
|
||||
<Label Content="{Binding ElementName=sigmaValue, Path=Value}" ContentStringFormat="σ: {0:F2}" FontSize="20px"/>
|
||||
</StackPanel>
|
||||
<Label x:Name="spatialProgress" Grid.Column="1" Grid.Row="0" Content="1"/>
|
||||
<Label x:Name="fftProgress" Grid.Column="2" Grid.Row="0" Content="2"/>
|
||||
<Viewbox Stretch="Fill" Grid.Column="2" Grid.Row="2">
|
||||
<Canvas x:Name="GraphCanvas" Width="100" Height="25" ClipToBounds="True">
|
||||
</Canvas>
|
||||
</Viewbox>
|
||||
<StackPanel Grid.Column="2" Grid.Row="2" >
|
||||
<Slider x:Name="kernelSize" Margin="5" Maximum="101" Value="5" VerticalAlignment="Center" TickPlacement="TopLeft" TickFrequency="2" IsSnapToTickEnabled="True" Minimum="1" ValueChanged="ChangeParams"/>
|
||||
<Slider x:Name="sigmaValue" Margin="5" Maximum="10.0" Value="1" VerticalAlignment="Center" Minimum="0.1" ValueChanged="ChangeParams"/>
|
||||
</StackPanel>
|
||||
</Grid>
|
||||
</Window>
|
||||
@@ -0,0 +1,368 @@
|
||||
using System.Diagnostics;
|
||||
using System.IO;
|
||||
using System.Linq.Expressions;
|
||||
using System.Numerics;
|
||||
using System.Runtime.InteropServices;
|
||||
using System.Text;
|
||||
using System.Windows;
|
||||
using System.Windows.Controls;
|
||||
using System.Windows.Data;
|
||||
using System.Windows.Documents;
|
||||
using System.Windows.Input;
|
||||
using System.Windows.Media;
|
||||
using System.Windows.Media.Imaging;
|
||||
using System.Windows.Media.Media3D;
|
||||
using System.Windows.Navigation;
|
||||
using System.Windows.Shapes;
|
||||
using MathNet.Numerics;
|
||||
using MathNet.Numerics.IntegralTransforms;
|
||||
using Microsoft.Win32;
|
||||
using static DSPS_Lab3.Ex;
|
||||
|
||||
namespace DSPS_Lab3;
|
||||
/// <summary>
|
||||
/// Interaction logic for MainWindow.xaml
|
||||
/// </summary>
|
||||
public partial class MainWindow : System.Windows.Window
|
||||
{
|
||||
BitmapImage source;
|
||||
WriteableBitmap _spatial, _fft;
|
||||
CancellationTokenSource _cts;
|
||||
string path = "";
|
||||
|
||||
public MainWindow()
|
||||
{
|
||||
_cts = new CancellationTokenSource();
|
||||
InitializeComponent();
|
||||
MathNet.Numerics.Control.UseNativeMKL();
|
||||
}
|
||||
|
||||
private void ChangeParams(object sender, RoutedPropertyChangedEventArgs<double> e)
|
||||
{
|
||||
if (this.sigmaValue == null) return;
|
||||
int kernelSize = 0, imgWnew = 0, imgHnew = 0, imgW = 0, imgH = 0;
|
||||
float sigmaValue = 0;
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
kernelSize = (int)this.kernelSize.Value;
|
||||
sigmaValue = (float)this.sigmaValue.Value;
|
||||
});
|
||||
|
||||
DrawGaussianGraph(kernelSize, sigmaValue);
|
||||
|
||||
if (source == null) return;
|
||||
|
||||
_cts.Cancel();
|
||||
_cts = new CancellationTokenSource();
|
||||
|
||||
_spatial = new WriteableBitmap(source);
|
||||
_fft = new WriteableBitmap(source);
|
||||
SlowImage.Source = _spatial;
|
||||
FastImage.Source = _fft;
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
imgWnew = _fft.PixelWidth;
|
||||
imgHnew = _fft.PixelHeight;
|
||||
imgW = source.PixelWidth;
|
||||
imgH = source.PixelHeight;
|
||||
});
|
||||
|
||||
Stopwatch timer1 = Stopwatch.StartNew(), timer2 = Stopwatch.StartNew();
|
||||
Task.Run(() => SpatialBlur(GenerateSpatialKernel(kernelSize, sigmaValue), _spatial, _cts.Token), _cts.Token)
|
||||
.ContinueWith(t => {
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
timer1.Stop();
|
||||
spatialProgress.Content = $"{timer1.ElapsedMilliseconds}ms";
|
||||
});
|
||||
});
|
||||
Task.Run(() => FrequencyBlur(PadAndShiftKernel(GenerateSpatialKernel(kernelSize, sigmaValue), imgWnew, imgHnew), _fft, _cts.Token), _cts.Token)
|
||||
.ContinueWith(t => {
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
timer2.Stop();
|
||||
fftProgress.Content = $"{timer2.ElapsedMilliseconds}ms";
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
private void LoadImageClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
OpenFileDialog openFileDialog = new OpenFileDialog();
|
||||
openFileDialog.Filter = "Image Files (*.jpg;*.jpeg;*.png;*.bmp;*.gif;*.tiff;*.tif;*.ico)|*.jpg;*.jpeg;*.png;*.bmp;*.gif;*.tiff;*.tif;*.ico|" +
|
||||
"JPEG / JPG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" +
|
||||
"PNG (*.png)|*.png|" +
|
||||
"BMP (*.bmp)|*.bmp|" +
|
||||
"GIF (*.gif)|*.gif|" +
|
||||
"TIFF (*.tiff;*.tif)|*.tiff;*.tif|" +
|
||||
"ICO (*.ico)|*.ico";
|
||||
openFileDialog.FilterIndex = 1;
|
||||
if (openFileDialog.ShowDialog() == true)
|
||||
{
|
||||
_cts.Cancel();
|
||||
path = openFileDialog.FileName;
|
||||
source = new BitmapImage(new Uri(path));
|
||||
MainImage.Source = source;
|
||||
}
|
||||
}
|
||||
|
||||
private void SaveImagesClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
string directory = System.IO.Path.GetDirectoryName(path);
|
||||
string fileNameNoExt = System.IO.Path.GetFileNameWithoutExtension(path);
|
||||
string targetFolder = System.IO.Path.Combine(directory, fileNameNoExt);
|
||||
|
||||
if (!Directory.Exists(targetFolder))
|
||||
{
|
||||
Directory.CreateDirectory(targetFolder);
|
||||
}
|
||||
|
||||
string originalPath = System.IO.Path.Combine(targetFolder, $"{fileNameNoExt}_original.png");
|
||||
string spatialPath = System.IO.Path.Combine(targetFolder, $"{fileNameNoExt}_spatial.png");
|
||||
string fftPath = System.IO.Path.Combine(targetFolder, $"{fileNameNoExt}_fft.png");
|
||||
|
||||
SaveToPng(source, originalPath);
|
||||
SaveToPng(_spatial, spatialPath);
|
||||
SaveToPng(_fft, fftPath);
|
||||
}
|
||||
|
||||
public void SpatialBlur(float[,] kernel, WriteableBitmap bitmap, CancellationToken ct)
|
||||
{
|
||||
int width = 0, height = 0, stride = 0;
|
||||
IntPtr buffer = IntPtr.Zero;
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() =>
|
||||
{
|
||||
width = bitmap.PixelWidth;
|
||||
height = bitmap.PixelHeight;
|
||||
stride = bitmap.BackBufferStride;
|
||||
buffer = bitmap.BackBuffer;
|
||||
});
|
||||
|
||||
byte[] srcPixels = new byte[height * stride];
|
||||
Marshal.Copy(buffer, srcPixels, 0, srcPixels.Length);
|
||||
|
||||
int kWidth = kernel.GetLength(0);
|
||||
int kHeight = kernel.GetLength(1);
|
||||
int radX = kWidth / 2;
|
||||
int radY = kHeight / 2;
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() =>
|
||||
{
|
||||
progressBar1.Maximum = height;
|
||||
progressBar1.Value = 0;
|
||||
});
|
||||
|
||||
try
|
||||
{
|
||||
unsafe
|
||||
{
|
||||
byte* pDst = (byte*)buffer;
|
||||
|
||||
fixed (byte* pSrc = srcPixels)
|
||||
{
|
||||
for (int y = 0; y < height; y++)
|
||||
{
|
||||
ct.ThrowIfCancellationRequested();
|
||||
|
||||
for (int x = 0; x < width; x++)
|
||||
{
|
||||
float b = 0, g = 0, r = 0, a = 0;
|
||||
|
||||
// Kernel Window
|
||||
for (int ky = -radY; ky <= radY; ky++)
|
||||
{
|
||||
// Edge handling: Clamp to image boundaries
|
||||
int py = Math.Clamp(y + ky, 0, height - 1);
|
||||
byte* rowPtr = pSrc + (py * stride);
|
||||
|
||||
for (int kx = -radX; kx <= radX; kx++)
|
||||
{
|
||||
int px = Math.Clamp(x + kx, 0, width - 1);
|
||||
float weight = kernel[kx + radX, ky + radY];
|
||||
|
||||
// 4 bytes per pixel (BGRA)
|
||||
int pixelIdx = px * 4;
|
||||
b += rowPtr[pixelIdx] * weight;
|
||||
g += rowPtr[pixelIdx + 1] * weight;
|
||||
r += rowPtr[pixelIdx + 2] * weight;
|
||||
a += rowPtr[pixelIdx + 3] * weight;
|
||||
}
|
||||
}
|
||||
|
||||
int destIdx = (y * stride) + (x * 4);
|
||||
pDst[destIdx] = (byte)Math.Clamp(b, 0, 255);
|
||||
pDst[destIdx + 1] = (byte)Math.Clamp(g, 0, 255);
|
||||
pDst[destIdx + 2] = (byte)Math.Clamp(r, 0, 255);
|
||||
pDst[destIdx + 3] = (byte)Math.Clamp(a, 0, 255);
|
||||
}
|
||||
|
||||
if (y % 10 == 0 || y == height - 1)
|
||||
{
|
||||
Application.Current.Dispatcher.Invoke(() =>
|
||||
{
|
||||
progressBar1.Value = y;
|
||||
bitmap.Lock();
|
||||
bitmap.AddDirtyRect(new Int32Rect(0, 0, width, height));
|
||||
bitmap.Unlock();
|
||||
}, System.Windows.Threading.DispatcherPriority.Render);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (OperationCanceledException)
|
||||
{
|
||||
// Blurring was cancelled, which is expected when changing kernel size rapidly.
|
||||
// No action needed here.
|
||||
return;
|
||||
}
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() =>
|
||||
{
|
||||
progressBar1.Value = progressBar1.Maximum;
|
||||
});
|
||||
}
|
||||
|
||||
public void FrequencyBlur(float[,] paddedKernel, WriteableBitmap bitmap, CancellationToken ct)
|
||||
{
|
||||
int width = 0, height = 0, stride = 0;
|
||||
IntPtr buffer = IntPtr.Zero;
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
width = bitmap.PixelWidth;
|
||||
height = bitmap.PixelHeight;
|
||||
stride = bitmap.BackBufferStride;
|
||||
buffer = bitmap.BackBuffer;
|
||||
});
|
||||
|
||||
int pixelCount = width * height;
|
||||
|
||||
Complex[] kernelFFT = new Complex[pixelCount];
|
||||
for (int y = 0; y < height; y++)
|
||||
for (int x = 0; x < width; x++)
|
||||
kernelFFT[y * width + x] = new Complex(paddedKernel[y, x], 0);
|
||||
|
||||
Fourier.Forward2D(kernelFFT, height, width, FourierOptions.Matlab);
|
||||
|
||||
byte[] srcPixels = new byte[height * stride];
|
||||
Marshal.Copy(buffer, srcPixels, 0, srcPixels.Length);
|
||||
|
||||
try
|
||||
{
|
||||
for (int c = 0; c < 4; c++)
|
||||
{
|
||||
ct.ThrowIfCancellationRequested();
|
||||
Complex[] channel = new Complex[pixelCount];
|
||||
|
||||
for (int y = 0; y < height; y++)
|
||||
for (int x = 0; x < width; x++)
|
||||
channel[y * width + x] = new Complex(srcPixels[y * stride + x * 4 + c], 0);
|
||||
|
||||
Fourier.Forward2D(channel, height, width, FourierOptions.Matlab);
|
||||
|
||||
for (int i = 0; i < pixelCount; i++)
|
||||
channel[i] *= kernelFFT[i];
|
||||
|
||||
Fourier.Inverse2D(channel, height, width, FourierOptions.Matlab);
|
||||
|
||||
for (int y = 0; y < height; y++)
|
||||
for (int x = 0; x < width; x++)
|
||||
srcPixels[y * stride + x * 4 + c] = (byte)Math.Clamp(channel[y * width + x].Real, 0, 255);
|
||||
}
|
||||
}
|
||||
catch (OperationCanceledException)
|
||||
{
|
||||
// Blurring was cancelled, which is expected when changing kernel size rapidly.
|
||||
// No action needed here.
|
||||
return;
|
||||
}
|
||||
|
||||
Application.Current.Dispatcher.Invoke(() => {
|
||||
bitmap.Lock();
|
||||
Marshal.Copy(srcPixels, 0, bitmap.BackBuffer, srcPixels.Length);
|
||||
bitmap.AddDirtyRect(new Int32Rect(0, 0, width, height));
|
||||
bitmap.Unlock();
|
||||
});
|
||||
}
|
||||
|
||||
private void SaveToPng(BitmapSource bitmapSource, string filePath)
|
||||
{
|
||||
if (bitmapSource == null) return;
|
||||
|
||||
using (var fileStream = new FileStream(filePath, FileMode.Create))
|
||||
{
|
||||
PngBitmapEncoder encoder = new PngBitmapEncoder();
|
||||
encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
|
||||
encoder.Save(fileStream);
|
||||
}
|
||||
}
|
||||
|
||||
public void DrawGaussianGraph(int kernelSize, double sigma)
|
||||
{
|
||||
GraphCanvas.Children.Clear();
|
||||
|
||||
if (kernelSize <= 0 || sigma <= 0) return;
|
||||
|
||||
Polyline curve = new Polyline
|
||||
{
|
||||
Stroke = Brushes.DodgerBlue,
|
||||
StrokeThickness = 2,
|
||||
StrokeLineJoin = PenLineJoin.Round // Ensures smooth corners
|
||||
};
|
||||
|
||||
double center = (kernelSize - 1) / 2.0;
|
||||
PointCollection points = new PointCollection();
|
||||
|
||||
for (int i = 0; i < kernelSize; i++)
|
||||
{
|
||||
// 1. Calculate Gaussian Value
|
||||
double xOffset = i - center;
|
||||
double exponent = -(xOffset * xOffset) / (2 * sigma * sigma);
|
||||
double yValue = Math.Exp(exponent); // Normalized height is 1.0
|
||||
|
||||
// 2. Map to Canvas Coordinates (100x100)
|
||||
// X maps the index to 0-100
|
||||
double xPos = (i / (double)(kernelSize - 1)) * 100;
|
||||
|
||||
// Y maps 1.0 (peak) to 0 (top of canvas) and 0.0 to 100 (bottom)
|
||||
double yPos = (25 - (yValue * 20)) ; // 90 to leave a small margin at top
|
||||
|
||||
points.Add(new Point(xPos, yPos));
|
||||
}
|
||||
|
||||
curve.Points = points;
|
||||
GraphCanvas.Children.Add(curve);
|
||||
}
|
||||
|
||||
public WriteableBitmap PreparePaddedBitmap(BitmapImage source)
|
||||
{
|
||||
int newWidth = NextPowerOfTwo(source.PixelWidth);
|
||||
int newHeight = NextPowerOfTwo(source.PixelHeight);
|
||||
|
||||
// Create the larger bitmap
|
||||
WriteableBitmap paddedBitmap = new WriteableBitmap(
|
||||
newWidth,
|
||||
newHeight,
|
||||
source.DpiX,
|
||||
source.DpiY,
|
||||
PixelFormats.Bgra32,
|
||||
null);
|
||||
|
||||
// Copy the original image into the top-left corner
|
||||
// The rest of the bitmap remains black (0), which is "Zero Padding"
|
||||
byte[] pixels = new byte[source.PixelWidth * 4 * source.PixelHeight];
|
||||
source.CopyPixels(pixels, source.PixelWidth * 4, 0);
|
||||
|
||||
paddedBitmap.WritePixels(
|
||||
new Int32Rect(0, 0, source.PixelWidth, source.PixelHeight),
|
||||
pixels,
|
||||
source.PixelWidth * 4,
|
||||
0);
|
||||
|
||||
return paddedBitmap;
|
||||
}
|
||||
|
||||
private int NextPowerOfTwo(int n)
|
||||
{
|
||||
if (n < 1) return 1;
|
||||
return (int)Math.Pow(2, Math.Ceiling(Math.Log2(n)));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user