DPI Sample Without Px

<Window x:Class="ImageDPISamples.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow"
        WindowState="Maximized">
    <Window.Resources>
        <Style TargetType="{x:Type Image}">
            <Setter Property="Stretch"
                    Value="None" />
        </Style>
    </Window.Resources>
    <ScrollViewer>
        <Grid ShowGridLines="True">
            <Grid.RowDefinitions>
                <RowDefinition Height="200" />
                <RowDefinition Height="200" />
                <RowDefinition Height="200" />
                <RowDefinition Height="200" />
                <RowDefinition Height="200" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="200" />
                <ColumnDefinition Width="200" />
                <ColumnDefinition Width="200" />
                <ColumnDefinition Width="200" />
                <ColumnDefinition Width="200" />
                <ColumnDefinition Width="200" />
            </Grid.ColumnDefinitions>
            <TextBlock Text="196 DPI"
                       FontSize="24"
                       VerticalAlignment="Center"
                       HorizontalAlignment="Center" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-200x200x192.png"
                   Grid.Column="1"
                   Grid.Row="0" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-100x100x192.png"
                   Grid.Column="2"
                   Grid.Row="0" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-48x48x192.png"
                   Grid.Column="3"
                   Grid.Row="0" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-32x32x192.png"
                   Grid.Column="4"
                   Grid.Row="0" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-16x16x192.png"
                   Grid.Column="5"
                   Grid.Row="0" />
            <TextBlock Text="120 DPI"
                       FontSize="24"
                       VerticalAlignment="Center"
                       HorizontalAlignment="Center"
                       Grid.Column="0"
                       Grid.Row="1" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-200x200x120.png"
                   Grid.Column="1"
                   Grid.Row="1"
                   SnapsToDevicePixels="True" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-100x100x120.png"
                   Grid.Column="2"
                   Grid.Row="1" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-48x48x120.png"
                   Grid.Column="3"
                   Grid.Row="1" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-32x32x120.png"
                   Grid.Column="4"
                   Grid.Row="1" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-16x16x120.png"
                   Grid.Column="5"
                   Grid.Row="1" />
            <TextBlock Text="96 DPI"
                       FontSize="24"
                       VerticalAlignment="Center"
                       HorizontalAlignment="Center"
                       Grid.Column="0"
                       Grid.Row="2" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-200x200x96.png"
                   Grid.Column="1"
                   Grid.Row="2"
                   SnapsToDevicePixels="True" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-100x100x96.png"
                   Grid.Column="2"
                   Grid.Row="2" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-48x48x96.png"
                   Grid.Column="3"
                   Grid.Row="2" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-32x32x96.png"
                   Grid.Column="4"
                   Grid.Row="2" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-16x16x96.png"
                   Grid.Column="5"
                   Grid.Row="2" />
            <TextBlock Text="72 DPI"
                       FontSize="24"
                       VerticalAlignment="Center"
                       HorizontalAlignment="Center"
                       Grid.Column="0"
                       Grid.Row="3" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-200x200x72.png"
                   Grid.Column="1"
                   Grid.Row="3" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-100x100x72.png"
                   Grid.Column="2"
                   Grid.Row="3" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-48x48x72.png"
                   Grid.Column="3"
                   Grid.Row="3" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-32x32x72.png"
                   Grid.Column="4"
                   Grid.Row="3" />
            <Image Source="pack://application:,,,/ImageDPISamples;component/Resources/info-16x16x72.png"
                   Grid.Column="5"
                   Grid.Row="3" />
        </Grid>
    </ScrollViewer>
</Window>