diff --git a/TIASshot/Lucam.cs b/TIASshot/Lucam.cs
index 6d68ae8..b8d4175 100644
--- a/TIASshot/Lucam.cs
+++ b/TIASshot/Lucam.cs
@@ -65,6 +65,7 @@
         int _detectionCount = 0;
         Point2f _lastPosition = new Point2f(0, 0);
         Mat _convRGB2SRGB;
+        Mat _convRGB2XYZ;
         Mat _tccRois; // TCCのROI検出結果画像
 
         /// <summary>
@@ -330,12 +331,14 @@
 
         private void CalcTcc(Mat img) {
             _convRGB2SRGB = CalcConvertMatrix(img, TCC_SRGB);
+            _convRGB2XYZ = CalcConvertMatrix(img, TCC_XYZ);
 
             // データ保存
             var folder = GetSaveFolder("校正");
             Cv2.ImWrite(Path.Combine(folder, Config.GetString("TccSaveFile")), img);
             Cv2.ImWrite(Path.Combine(folder, Config.GetString("TccRoisFile")), _tccRois);
             SaveMatToCsv(Path.Combine(folder, Config.GetString("ConvSrgbSaveFile")), _convRGB2SRGB);
+            SaveMatToCsv(Path.Combine(folder, Config.GetString("ConvXyzSaveFile")), _convRGB2XYZ);
 
             _form.ShowMessage("自動校正完了");
             _form.EnableShots();
@@ -509,7 +512,14 @@
         /// <param name="csvFile"></param>
         private void SaveMatToCsv(string csvFile, Mat m) {
             using (var writer = new StreamWriter(csvFile)) {
-                writer.Write(m.Dump(FormatType.CSV));
+                for(var row = 0; row < m.Rows; row++) {
+                    var line = "";
+                    for(var col = 0; col < m.Cols; col++) {
+                        if (col > 0) line += ",";
+                        line += $"{m.At<double>(row, col):0.0000000}";
+                    }
+                    writer.WriteLine(line);
+                }
             }
         }
 
diff --git a/TIASshot/config.xml b/TIASshot/config.xml
index 29d47cb..d66d0dd 100644
--- a/TIASshot/config.xml
+++ b/TIASshot/config.xml
@@ -19,6 +19,7 @@
 	<TccXyzTableFile>tcc_xyz.csv</TccXyzTableFile>
 	<TccSaveFile>tcc.png</TccSaveFile>
 	<TccRoisFile>tcc_rois.jpg</TccRoisFile>
-	<ConvSrgbSaveFile>conv_mat_srgb.csv</ConvSrgbSaveFile>
+	<ConvSrgbSaveFile>conv_rgb_srgb.csv</ConvSrgbSaveFile>
+	<ConvXyzSaveFile>conv_rgb_xyz.csv</ConvXyzSaveFile>
 	<SaveFolder>C:\TIAS_Data</SaveFolder>
 </Config>