1

CarerayImage/CarerayImage.csproj

@@ -13,6 +13,8 @@
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>

CarerayImage/haobo_v2.cs

@@ -3,6 +3,7 @@ using ConfigHelper;
 using System;
 using System.Collections.Generic;
 using System.Drawing;
+using System.Drawing.Imaging;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
@@ -123,14 +124,15 @@ namespace Asa
         /// <summary>
         /// 窗宽
         /// </summary>
-        public int WindowWidth { set; get; } = 65535;
+        public int WindowWidth { set; get; } = 38337;//65535;
 
         /// <summary>
         /// 窗位
         /// </summary>
-        public int WindowLevel { set; get; } = 32768;
+        public int WindowLevel { set; get; } = 30812;// 32768;
         public Bitmap Get48bImage()
         {
+            //ConvertRawToPng(buffer, 3072, 3072, "d:\\test.tiff");
             if (buffer == null) return null;
             if (ImageWidth <= 0 || ImageHeight <= 0)
             {
@@ -138,6 +140,9 @@ namespace Asa
                 return null;
             }
 
+            //var (WindowWidth, WindowLevel) = CalculateWindowLevel(buffer);
+
+
             int count = ImageWidth * ImageHeight;
             byte[] gray = new byte[count * 2];
             Array.Copy(buffer, 0, gray, 0, gray.Length);
@@ -151,25 +156,25 @@ namespace Asa
                 short point = BitConverter.ToInt16(gray, idx1);
                 //point += 20000;
 
-                if (point < WindowLevel - half)
-                {
-                    buff[idx2++] = 0;
-                    buff[idx2++] = 0;
-                    buff[idx2++] = 0;
-                    buff[idx2++] = 0;
-                    buff[idx2++] = 0;
-                    buff[idx2++] = 0;
-                }
-                else if (point > WindowLevel + half)
-                {
-                    buff[idx2++] = 255;
-                    buff[idx2++] = 255;
-                    buff[idx2++] = 255;
-                    buff[idx2++] = 255;
-                    buff[idx2++] = 255;
-                    buff[idx2++] = 255;
-                }
-                else
+                //if (point < WindowLevel - half)
+                //{
+                //    buff[idx2++] = 0;
+                //    buff[idx2++] = 0;
+                //    buff[idx2++] = 0;
+                //    buff[idx2++] = 0;
+                //    buff[idx2++] = 0;
+                //    buff[idx2++] = 0;
+                //}
+                //else if (point > WindowLevel + half)
+                //{
+                //    buff[idx2++] = 255;
+                //    buff[idx2++] = 255;
+                //    buff[idx2++] = 255;
+                //    buff[idx2++] = 255;
+                //    buff[idx2++] = 255;
+                //    buff[idx2++] = 255;
+                //}
+                //else
                 {
                     byte[] bb = BitConverter.GetBytes(point);
                     buff[idx2++] = bb[0];
@@ -194,6 +199,67 @@ namespace Asa
             
             return bmp;
         }
+        public (int windowWidth, int windowCenter) CalculateWindowLevel(byte[] imageData)
+        {
+            int minValue = ushort.MaxValue;
+            int maxValue = ushort.MinValue;
+
+            // 计算图像的最大值和最小值
+            for (int i = 0; i < imageData.Length; i += 2)
+            {
+                ushort pixelValue = BitConverter.ToUInt16(imageData, i);
+                if (pixelValue < minValue)
+                {
+                    minValue = pixelValue;
+                }
+                if (pixelValue > maxValue)
+                {
+                    maxValue = pixelValue;
+                }
+            }
+
+            // 计算直方图
+            int[] histogram = new int[maxValue - minValue + 1];
+            for (int i = 0; i < imageData.Length; i += 2)
+            {
+                ushort pixelValue = BitConverter.ToUInt16(imageData, i);
+                histogram[pixelValue - minValue]++;
+            }
+
+            // 动态范围压缩
+            int totalPixels = imageData.Length / 2;
+            int threshold = totalPixels / 1000; // 设置一个阈值，表示较小的像素值数量的百分比
+            int accumulatedPixels = 0;
+            int lowerBound = minValue;
+            int upperBound = maxValue;
+
+            for (int i = 0; i < histogram.Length; i++)
+            {
+                accumulatedPixels += histogram[i];
+                if (accumulatedPixels > threshold)
+                {
+                    lowerBound = i + minValue;
+                    break;
+                }
+            }
+
+            accumulatedPixels = 0;
+            for (int i = histogram.Length - 1; i >= 0; i--)
+            {
+                accumulatedPixels += histogram[i];
+                if (accumulatedPixels > threshold)
+                {
+                    upperBound = i + minValue;
+                    break;
+                }
+            }
+
+            // 计算最佳窗宽和窗位
+            int windowWidth = upperBound - lowerBound;
+            int windowCenter = (upperBound + lowerBound) / 2;
+
+            return (windowWidth, windowCenter);
+        }
         CancellationTokenSource WaitstopToken = new CancellationTokenSource();
         volatile bool buffgetted = false;
         int getpiccount = 0;
@@ -950,7 +1016,7 @@ namespace Asa
             //}
             Marshal.Copy(imagedata.databuff, buffer, 0, bufflen);
 
-            string fileName = Directory.GetCurrentDirectory() + "\\current.raw";
+            string fileName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory ,"current.raw");
             File.WriteAllBytes(fileName, buffer);
             // 图片信息
             WriteLog(string.Format("SaveImage success:0x{0:X000}\n", nframeId));

CarerayImage_Test/Form1.cs

@@ -26,7 +26,7 @@ namespace CarerayImage_Test
 
         private void Form1_Load(object sender, EventArgs e)
         {
-            xrayImage = new Asa.XrayImage("123", Asa.XrayImage.DeviceType.HAOBO);
+            xrayImage = new Asa.XrayImage("123", Asa.XrayImage.DeviceType.HAOBO_V2);
         }
 
         private void button1_Click(object sender, EventArgs e)