Baumer工业相机

Baumer工业相机堡盟相机是一种高性能、高质量的工业相机，可用于各种应用场景，如物体检测、计数和识别、运动分析和图像处理。

Baumer的万兆网相机拥有出色的图像处理性能，可以实时传输高分辨率图像。此外，该相机还具有快速数据传输、低功耗、易于集成以及高度可扩展性等特点。

Baumer工业相机通过使用BGAPI SDK进行开发时，在C++环境可以直接实现位深度为16的图像保存。

Baumer工业相机保存位深度12/16位图像的技术背景

工业相机通常用于需要高质量图像的分析和检查的专业环境中。这些相机被设计用来捕捉16比特的高比特深度的图像，与低比特深度的图像相比，可以捕捉到更大范围的色彩和细节。

保存位深16位图像的工业相机的技术背景涉及几个关键部分。首先，相机的图像传感器必须能够捕捉到高比特深度的图像。这是通过使用高质量的图像传感器来实现的，该传感器能够以每像素16比特的分辨率捕获数据。

其次，相机的电子设备必须能够处理和存储高比特深度的图像数据。这意味着相机需要有一个高速处理器和足够的内存来处理所产生的大量图像数据。

第三，相机的软件必须能够支持16位图像的保存。这意味着相机的固件和软件接口必须被设计成能够处理16位图像所产生的更大的文件尺寸，并且还能与工业标准文件格式如TIFF和RAW兼容。

总的来说，保存16位深度图像的工业相机的技术背景涉及高质量的图像传感器、强大的电子器件和专门的软件的组合，这些都是为了处理捕捉和存储高位深度图像的独特需求。

这里主要描述如何在C#的平台下通过BGAPI SDK直接实现Mono16图像格式的保存功能的核心代码

代码案例分享

本文介绍使用BGAPI SDK对Baumer的工业相机进行开发时，直接实现Mono12或者Mono16图像格式的保存功能

如下为核心代码实现步骤：

1：引用合适的类文件

C#环境下核心代码如下所示：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.IO;
using CSCameraDemo.Properties;
using System.Globalization;
using WindowsFormsApplication1;
using System.Threading.Tasks;
using System.Threading;
using System.Drawing.Imaging;using BGAPI2;

2：通过BGAPI SDK直接保存Mono12/16图像

下面为在在C#环境开启相机连接相机后通过转换图像格式实现Mono12或者Mono16图像格式保存的核心代码。

如下所示：

SystemList 
Open a System 
Get the InterfaceList and fill it Open an Interface 
Get the DeviceList and fill it 
Open a Devicevoid mDataStream_NewBufferEvent(object sender, BGAPI2.Events.NewBufferEventArgs mDSEvent)
{try{BGAPI2.Buffer mBufferFilled = null;              mBufferFilled = mDSEvent.BufferObj;if (mBufferFilled == null){MessageBox.Show("Error: Buffer Timeout after 1000 ms!");}else if (mBufferFilled.IsIncomplete == true){//MessageBox.Show("Error: Image is incomplete!");//queue buffer againmBufferFilled.QueueBuffer();}else{#region//获取当前FrameIDFrameIDInt = (int)mBufferFilled.FrameID;OnNotifySetFrameID(FrameIDInt.ToString());#endregion//将相机内部图像内存数据转为bitmap数据System.Drawing.Bitmap bitmap  = new System.Drawing.Bitmap((int)mBufferFilled.Width, (int)mBufferFilled.Height, (int)mBufferFilled.Width,System.Drawing.Imaging.PixelFormat.Format8bppIndexed, (IntPtr)((ulong)mBufferFilled.MemPtr + mBufferFilled.ImageOffset));#region//Mono图像数据转换。彩色图像数据转换于此不同System.Drawing.Imaging.ColorPalette palette = bitmap.Palette;int nColors = 256;for (int ix = 0; ix < nColors; ix++){uint Alpha = 0xFF;uint Intensity = (uint)(ix * 0xFF / (nColors - 1));palette.Entries[ix] = System.Drawing.Color.FromArgb((int)Alpha, (int)Intensity, (int)Intensity, (int)Intensity);}bitmap.Palette = palette;#endregionlong currenttime = (long)mBufferFilled.Timestamp;                   DateTime sdasd = GetTime(currenttime, true);#region//回调函数保存图像功能if (bSaveImg){//使用bitmap自带函数保存string strtime = DateTime.Now.ToString("yyyyMMddhhmmssfff");string saveimagepath = pImgFileDir  +"\\"+ strtime + ".jpg";// bitmap.Save(saveimagepath, System.Drawing.Imaging.ImageFormat.Bmp);//使用opencv进行保存图像if (mBufferFilled.PixelFormat == "Mono8"){OpenCvSharp.Mat matgray = OpenCvSharp.Extensions.BitmapConverter.ToMat(bitmap);//用bitmap转换为mat                           matgray.SaveImage("opencv_image.png");Cv2.ImWrite("opencvcv_image_Clone.png", matgray);Cv2.ImWrite(saveimagepath, matgray);}                      //将相机中原始图像数据通过BGAPI SDK直接保存为16位深度的图像if (mBufferFilled.PixelFormat.Contains("Mono12")){short[] mImageBuffer16Copy = new short[(uint)((uint)mBufferFilled.Width * (uint)mBufferFilled.Height * 1)];Marshal.Copy((IntPtr)mBufferFilled.MemPtr, mImageBuffer16Copy, 0, (int)((int)mBufferFilled.Width * (int)mBufferFilled.Height * 1));//convert Mono12 to Mono16uint length = (uint)((uint)mBufferFilled.Width * (uint)mBufferFilled.Height) * 1;for (uint l = 0; l < length; l++){mImageBuffer16Copy[l] = (short)(mImageBuffer16Copy[l] << 4);}saveimagepath = pImgFileDir + "\\" + strtime + "-Mono16.png";saveMono16Tiff(saveimagepath , mImageBuffer16Copy, (int)mBufferFilled.Width, (int)mBufferFilled.Height * 1);}bSaveImg = false;//变量控制单次保存图像}#endregion#region//bitmap的图像数据复制pBitmapBitmap clonebitmap = (Bitmap)bitmap.Clone();BitmapData data = clonebitmap.LockBits(new Rectangle(0, 0, clonebitmap.Width, clonebitmap.Height), ImageLockMode.ReadOnly, clonebitmap.PixelFormat);clonebitmap.UnlockBits(data);pBitmap = clonebitmap;#endregion#region//将pBitmap图像数据显示在UI界面PictureBox控件上prcSource.X = 0;prcSource.Y = 0;prcSource.Width = (int)mBufferFilled.Width;prcSource.Height = (int)mBufferFilled.Height;System.Drawing.Graphics graph = System.Drawing.Graphics.FromHwnd(pictureBoxA.Handle);graph.DrawImage(pBitmap, prcPBox, prcSource, GraphicsUnit.Pixel);#endregionclonebitmap.Dispose(); //清除临时变量clonebitmap所占内存空间mBufferFilled.QueueBuffer();}}catch (BGAPI2.Exceptions.IException ex){{string str2;str2 = string.Format("ExceptionType:{0}! ErrorDescription:{1} in function:{2}", ex.GetType(), ex.GetErrorDescription(), ex.GetFunctionName());MessageBox.Show(str2);}}return;
}

3：使用BGAPI SDK的图像直接转换Mono12/16图像并保存的功能

下面为在在C#环境开启相机连接相机后通过BGAPI SDK直接实现Mono12或者Mono16图像格式保存的核心代码。

如下所示：

public static void saveMono16Tiff(string fileName, short[] shortarray, int imagewidth, int imageheight)
{FileStream FileST = new FileStream(fileName, FileMode.Create);// Create the writer for data.BinaryWriter binWriter = new BinaryWriter(FileST);// Write data to Test.data.ushort data16 = 0;uint data32 = 0;uint sizeX = (uint)imagewidth;uint sizeY = (uint)imageheight;int imagelength2 = imagewidth * imageheight;// TIFF identifier and count of directory entries//================================================data16 = 0x4949;	// identifier "II" for little-endian byte orderbinWriter.Write(data16);data16 = 42;		// tiff identifier 42binWriter.Write(data16);data32 = 8;			// offset for the first IFDbinWriter.Write(data32);data16 = 12;		// number of directory entriesbinWriter.Write(data16);// 1. entry: ImageWidth (number of columns)//==========================================data16 = 0x100;		// tag:   100.HbinWriter.Write(data16);data16 = 4;			// type:  LONGbinWriter.Write(data16);data32 = 1;			// count: 1binWriter.Write(data32);data32 = sizeX;		// value: horizontal image sizebinWriter.Write(data32);// 2. entry: ImageLength (number of rows)//=======================================data16 = 0x101;		// tag:   101.H binWriter.Write(data16);data16 = 4;			// type:  LONGbinWriter.Write(data16);data32 = 1;			// count: 1binWriter.Write(data32);data32 = sizeY;		// value: horizontal image sizebinWriter.Write(data32);// 3. entry: BitsPerSample//=========================data16 = 0x102;		// tag:   102.H binWriter.Write(data16);data16 = 3;			// type:  SHORTbinWriter.Write(data16);data32 = 1;			// count: 1 == SamplesPerPixel Mono16binWriter.Write(data32);data32 = 16;		 // SamplesPerPixel == 1 => value: 16    (16 bps => NOT BASELINE!)binWriter.Write(data32);// 4. entry: Compression//=======================data16 = 0x103;		// tag:   103.H binWriter.Write(data16);data16 = 3;			// type:  SHORTbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32);data32 = 1;			// value: 1 (no compression)binWriter.Write(data32);// 5. entry: PhotometricInterpretation//======================================data16 = 0x106;		// tag:   106.H binWriter.Write(data16);data16 = 3;			// type:  SHORTbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32);data32 = 1;			// SamplesPerPixel == 1 => value: 1 (BlackIsZero)binWriter.Write(data32);// 6. entry: StripOffsets//========================data16 = 0x111;		// tag:   111.H binWriter.Write(data16);data16 = 4;			// type:  LONGbinWriter.Write(data16);data32 = 1;			// count: 1 == StripsPerImagebinWriter.Write(data32);data32 = 174;		// value = 8 + 2 + 12*12 + 4 + 8 + 8 = 174binWriter.Write(data32);// 7. entry: SamplesPerPixel//===========================data16 = 0x115;		// tag:   115.H binWriter.Write(data16);data16 = 3;			// type:  SHORTbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32); ;data32 = 1;			// SamplesPerPixel == 1 Mono16binWriter.Write(data32);// 8. entry: RowsPerStrip//========================data16 = 0x116;		// tag:   116.H binWriter.Write(data16);data16 = 4;			// type:  LONGbinWriter.Write(data16);data32 = 1;			// count: 1binWriter.Write(data32);data32 = sizeY;		// value: vertical image size (one strip only)binWriter.Write(data32);// 9. entry: StripByteCounts (For each strip, the number of bytes in the strip after compression.)//================================================================================================data16 = 0x117;		// tag:   117.H binWriter.Write(data16);data16 = 4;			// type:  LONGbinWriter.Write(data16);data32 = 1;			// count: 1 == StripsPerImagebinWriter.Write(data32);data32 = 2 * 1 * sizeX * sizeY;		// value = 2* 1 * SizeX * SizeYbinWriter.Write(data32);// 10. entry: XResolution (The number of pixels per ResolutionUnit in the ImageWidth direction.)//================================================================================================data16 = 0x11A;		// tag:   11A.H binWriter.Write(data16);data16 = 5;			// type:  RATIONALbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32);data32 = 158;		// offset to value = 8 + (2 + 12*12 + 4) = 158binWriter.Write(data32);// 11. entry: YResolution (The number of pixels per ResolutionUnit in the ImageLength direction.)//================================================================================================data16 = 0x11B;		// tag:   11B.H binWriter.Write(data16);data16 = 5;			// type:  RATIONALbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32);data32 = 166;		// offset to value = 8 + (2 + 12*12 + 4) + 8 = 166binWriter.Write(data32);// 12. entry: ResolutionUnit (The unit of measurement for XResolution and YResolution.)//=====================================================================================data16 = 0x128;		// tag:   128.H binWriter.Write(data16);data16 = 3;			// type:  SHORTbinWriter.Write(data16);data32 = 1;			// count: 1 binWriter.Write(data32);data32 = 2;			// value: 2 (Inch) => dpibinWriter.Write(data32);data32 = 0;			// offset of next IFD: nonebinWriter.Write(data32);//  write IFD values longer than 4 byte//======================================data32 = 72;		// XResolution numerator: 72 => 72 dpi (a common value..)binWriter.Write(data32);data32 = 1;			// XResolution denominator: 1binWriter.Write(data32);data32 = 72;		// YResolution numerator: 72 => 72 dpi (a common value..)binWriter.Write(data32);data32 = 1;			// YResolution denominator: 1binWriter.Write(data32);// end of header save to file// save image data (converted from Mono12 to Mono16) to filefor (int i = 0; i < imagelength2; i++){data16 = (ushort)shortarray[i];binWriter.Write(data16);}// close filebinWriter.Close();FileST.Close();return;}   // end of saveMono16Tiff()