diff --git a/BlazorApp/Pages/OpenCvSharpSample.razor b/BlazorApp/Pages/OpenCvSharpSample.razor
index c548bb7..172faea 100644
--- a/BlazorApp/Pages/OpenCvSharpSample.razor
+++ b/BlazorApp/Pages/OpenCvSharpSample.razor
@@ -62,24 +62,30 @@
     </canvas>
 </div>
 <div>
-    <p>Kernel Size(0 이상 홀수)</p>
-    <input type="range" min="3" max="127" step="2" @bind="@valKernelSize" @bind:event="oninput" />
-    <input type="text" @bind="@valKernelSize" /><br />
-    <p>Sigma (0.0 이상)</p>
+    <p>Kernel Size(0 이상 홀수)
+        <input type="range" min="3" max="127" step="2" @bind="@valKernelSize" @bind:event="oninput" />
+        <input type="text" @bind="@valKernelSize" />
+    </p><br />
+    <p>Sigma (0.0 이상)
     <input type="range" min="0" max="1000" step="0.01" @bind="@valSigma" @bind:event="oninput" />
-    <input type="text" @bind="@valSigma" /><br />
-    <p>Theta (0도 ~ 180도)</p>
+        <input type="text" @bind="@valSigma" />
+    </p><br />
+    <p>Theta (0도 ~ 180도)
     <input type="range" min="0" max="180" step="0.01" @bind="@valTheta" @bind:event="oninput" />
-    <input type="text" @bind="@valTheta" /><br />
-    <p>Lambda (0.0 이상 이미지 사이즈 미만(256.0))</p>
+        <input type="text" @bind="@valTheta" />
+    </p><br />
+    <p>Lambda (0.0 이상 이미지 사이즈 미만(256.0))
     <input type="range" min="0" max="255" step="0.01" @bind="@valLambd" @bind:event="oninput" />
-    <input type="text" @bind="@valLambd" /><br />
-    <p>Gamma (0.0 ~ 1.0)</p>
+        <input type="text" @bind="@valLambd" />
+    </p><br />
+    <p>Gamma (0.0 ~ 1.0)
     <input type="range" min="0.0" max="1.0" step="0.01" @bind="@valGamma" @bind:event="oninput" />
-    <input type="text" @bind="@valGamma" /><br />
-    <p>Psi (0도 ~ 360도)</p>
+        <input type="text" @bind="@valGamma" />
+    </p><br />
+    <p>Psi (0도 ~ 360도)
     <input type="range" min="0.0" max="360" step="0.01" @bind="@valPsi" @bind:event="oninput" />
-    <input type="text" @bind="@valPsi" /><br />
+        <input type="text" @bind="@valPsi" />
+    </p><br />
     <button @onclick="@(async () => await GaborFilter())">GaborFilter</button>
 </div>
 <br />
@@ -180,7 +186,8 @@
         await srcCanvasClient.DrawPixelsAsync(imageBytes_rgba);
 
 
-        var imageBytes2 = await httpClient.GetByteArrayAsync("/images/lenna256.bmp");
+        //var imageBytes2 = await httpClient.GetByteArrayAsync("/images/lenna256.bmp");
+        var imageBytes2 = await httpClient.GetByteArrayAsync("/images/gabor.bmp");
         //srcMat2 ??= Mat.FromImageData(imageBytes2);
         //if(srcMat2.Width > 256 || srcMat2.Height > 256)
         //{
@@ -225,8 +232,8 @@
     {
         //if (srcMat is null)
         //    throw new InvalidOperationException($"{nameof(srcMat)} is null");
-        //if (dstCanvasClient is null)
-        //    throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
+        if (dstCanvasClient is null)
+            throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
 
         //using var grayMat = new Mat();
         //Cv2.CvtColor(srcMat, grayMat, ColorConversionCodes.BGR2GRAY);
@@ -244,8 +251,8 @@
     {
         //if (srcMat is null)
         //    throw new InvalidOperationException($"{nameof(srcMat)} is null");
-        //if (dstCanvasClient is null)
-        //    throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
+        if (dstCanvasClient is null)
+            throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
 
         Mat srcMat = new Mat(256, 256, MatType.CV_8UC4, imageBytes_rgba);
         using var grayMat = new Mat();
@@ -261,9 +268,9 @@
     {
         //if (srcMat is null)
         //    throw new InvalidOperationException($"{nameof(srcMat)} is null");
-        //if (dstCanvasClient is null)
-        //    throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
-        //
+        if (dstCanvasClient is null)
+            throw new InvalidOperationException($"{nameof(dstCanvasClient)} is null");
+        
         //using var grayMat = new Mat();
         //using var dstMat = new Mat(srcMat.Size(), MatType.CV_8UC1);
         //Cv2.CvtColor(srcMat, grayMat, ColorConversionCodes.BGR2GRAY);
@@ -294,9 +301,9 @@
     {
         //if (srcMat2 is null)
         //    throw new InvalidOperationException($"{nameof(srcMat2)} is null");
-        //if (dstCanvasClient2 is null)
-        //    throw new InvalidOperationException($"{nameof(dstCanvasClient2)} is null");
-        //
+        if (dstCanvasClient2 is null)
+            throw new InvalidOperationException($"{nameof(dstCanvasClient2)} is null");
+        
         //using var grayMat = new Mat(srcMat2.Size(), MatType.CV_32F);
         //Cv2.CvtColor(srcMat2, grayMat, ColorConversionCodes.BGR2GRAY);
         //
diff --git a/BlazorApp/wwwroot/images/gabor.bmp b/BlazorApp/wwwroot/images/gabor.bmp
new file mode 100644
index 0000000..7639fdb
Binary files /dev/null and b/BlazorApp/wwwroot/images/gabor.bmp differ
diff --git a/BlazorApp/wwwroot/images/gabor.jpg b/BlazorApp/wwwroot/images/gabor.jpg
new file mode 100644
index 0000000..783ab6e
Binary files /dev/null and b/BlazorApp/wwwroot/images/gabor.jpg differ