diff --git a/TIASshot/Lucam.cs b/TIASshot/Lucam.cs
index f6541b4..e2f67fa 100644
--- a/TIASshot/Lucam.cs
+++ b/TIASshot/Lucam.cs
@@ -28,9 +28,9 @@
     /// </summary>
     internal class Lucam {
 
-        // Todo: TCC逆向き検出
-        // Todo: XYZ 変換行列算出
-        // Todo: 色補正 前後の保存
+        // Todo: RGB->XYZ 変換行列算出
+        // Todo: SRGB->XYZ 変換行列算出
+        // 光源の輝度設定
 
         public string DeviceName { get; private set; } = "Unknown";
         public string SerialNumber { get; private set; }
@@ -213,18 +213,25 @@
             var ptsPict = new List<Point2f>();
             var ptsModel = new List<Point2f>();
             Point2f position = new Point2f();
+            float y40 = 0, y41 = 0;
             for (int i = 0; i < ids.Length; i++) {
                 if (ids[i] == 40) {
                     ptsPict.AddRange(corners[i]);
                     ptsModel.AddRange(PointsDst40);
                     position = corners[i][3];
+                    y40 = corners[i][3].Y;
                 }
                 if (ids[i] == 41) {
                     ptsPict.AddRange(corners[i]);
                     ptsModel.AddRange(PointsDst41);
+                    y41 = corners[i][3].Y;
                 }
             }
             if (ptsPict.Count < 8) return;
+            if (y40 > y41) {
+                _form.ShowMessage("舌診チャートが上下逆方向です");
+                return;
+            }
 
             // チャートの固定判定
             var dist = (float)position.DistanceTo(_lastPosition);
diff --git a/TIASshot/Properties/AssemblyInfo.cs b/TIASshot/Properties/AssemblyInfo.cs
index d0e313f..39323da 100644
--- a/TIASshot/Properties/AssemblyInfo.cs
+++ b/TIASshot/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@
 //      ビルド番号
 //      リビジョン
 //
-[assembly: AssemblyVersion("1.1.0.0")]
-[assembly: AssemblyFileVersion("1.1.0.0")]
+[assembly: AssemblyVersion("1.2.0.0")]
+[assembly: AssemblyFileVersion("1.2.0.0")]