RealSenceD455摄像头采集彩色照片（帧）

使用.Net6.0 + WPF，操作RealSence D455摄像头，获取帧数据，未处理，未使用前后端分离模式，相关代码直接写入后台.cs文件中。

 

前台.Xaml代码

MainWindow.xaml

<Window
    x:Class="RealSenceCameraD455_Test03.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:local="clr-namespace:RealSenceCameraD455_Test03"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    Title="测试彩色图像（帧）"
    Width="800"
    Height="450"
    FontSize="22"
    mc:Ignorable="d">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="100" />
        </Grid.RowDefinitions>
​
        <StackPanel Orientation="Vertical">
            <Button
                x:Name="Start_Button"
                Margin="5"
                Click="Start_Button_Click"
                Content="Start"
                FontWeight="Bold"
                Foreground="Green" />
​
            <Button
                x:Name="Stop_Button"
                Margin="5"
                Click="Stop_Button_Click"
                Content="Stop"
                FontWeight="Bold"
                Foreground="Red" />
        </StackPanel>
​
        <Border Grid.Row="1" Grid.ColumnSpan="2">
            <StackPanel Orientation="Vertical">
                <DockPanel>
                    <TextBlock Width="160" Text="摄像头名称：" />
                    <TextBlock x:Name="CameraName_TextBlock" Background="AliceBlue" />
                </DockPanel>
                <DockPanel>
                    <TextBlock Width="160" Text="摄像头序列号：" />
                    <TextBlock x:Name="CameraSerialNumber" Background="AliceBlue" />
                </DockPanel>
            </StackPanel>
        </Border>
​
        <Grid Grid.Column="1" Margin="5">
            <Border BorderBrush="Red" BorderThickness="1">
                <Image x:Name="ColorImage" />
            </Border>
        </Grid>
​
    </Grid>
</Window>

 

​

F5启动项目，内容显示如下：

 

后台.cs文件

MainWindow.cs

using Intel.RealSense;
using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
​
namespace RealSenceCameraD455_Test03
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        //  连接电脑与摄像头的管道
        private Pipeline? _pipeline;
        //  内存中处理图像的像素
        private WriteableBitmap? _colorWriteableBitmap;
​
        public MainWindow()
        {
            InitializeComponent();
        }
​
        /// <summary>
        /// 启动按钮点击逻辑，启动摄像头
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Start_Button_Click(object sender, RoutedEventArgs e)
        {
            //  创建RealSence上下文，用于查找RealSence摄像头的物理设备
            using Context realsenceContext = new Context();
​
            //  查找当前电脑中连接的所有RealSence摄像头
            var cameraList = realsenceContext.QueryDevices();
​
            if (cameraList.Count <= 0) return;
​
            //  取摄像头列表中的第一个摄像头
            using Device camera = cameraList[0];
​
            //  显示摄像头的名称
            CameraName_TextBlock.Text = camera.Info[CameraInfo.Name].ToString();
            //  显示摄像头的序列号
            CameraSerialNumber.Text = camera.Info[CameraInfo.SerialNumber].ToString();
​
            //  创建Config实例，用于配置摄像头
            using Config cameraConfig = new Config();
​
            //  配置摄像头将采用的图像流，图像篇幅，图像格式，及帧率
            cameraConfig.EnableStream(Stream.Color, 640, 480, Format.Rgb8, 30);
​
            //  初始化管道并启动
            _pipeline = new Pipeline(realsenceContext);
            _pipeline.Start(cameraConfig);
​
            //  初始化WriteablBitmap实例，用于处理内存中的图像
            _colorWriteableBitmap = new WriteableBitmap(640, 480, 96.0, 96.0, PixelFormats.Rgb24, null);
            ColorImage.Source = _colorWriteableBitmap;
​
            //  使用显示器的刷新事件，挂载相关方法，进行图像显示
            CompositionTarget.Rendering += CompositionTarget_Rendering;
​
        }
​
        /// <summary>
        /// 根据显示器的帧率，定时刷新画面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CompositionTarget_Rendering(object? sender, EventArgs e)
        {
            //  等待管道中的帧数据
            using var frames = _pipeline?.WaitForFrames();
​
            //  获取彩色图像帧
            using var colorFrame = frames?.ColorFrame;
​
            //  处理帧数据，将获取的帧数据填充至WriteableBitmap实例，并刷新至显示器中
            if(colorFrame != null)
            {
                _colorWriteableBitmap?.Lock();
                colorFrame.CopyTo(_colorWriteableBitmap!.BackBuffer);
                _colorWriteableBitmap.AddDirtyRect(new Int32Rect(0,0,_colorWriteableBitmap.PixelWidth, _colorWriteableBitmap.PixelHeight));
                _colorWriteableBitmap.Unlock();
            }
        }
​
        /// <summary>
        /// 停止按钮点击逻辑，将帧率刷新事件解除挂载
        /// 释放_pipeLine对象
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Stop_Button_Click(object sender, RoutedEventArgs e)
        {
            if(_pipeline != null)
            {
                _pipeline.Stop();
            }
​
            CompositionTarget.Rendering -= CompositionTarget_Rendering;
        }
    }
}

点击Start按钮，显示如下：