bug fix

GaborFilterWeb/Components/Pages/GaborFilter.razor

@@ -53,7 +53,7 @@
 </div>
 <br />
 <div>
-    <h3 id="-parameters-"><strong>Gabor Filter 실행 (속도 느림 주의)</strong></h3>
+    <h3 id="-parameters-"><strong>Gabor Filter 실행</strong></h3>
     @if (srcGabor != null)
     {
         <img src="data:image/bmp;base64,@Convert.ToBase64String(srcGabor.ToBytes())" />
@@ -146,7 +146,7 @@
     }
     private List<Option> options = new List<Option>
     {
-        new Option { Value = "0", Text = "Lenna" },
+        new Option { Value = "0", Text = "lenna" },
         new Option { Value = "1", Text = "Mandrill" },
     };
     private int valthreshold = 127;
@@ -182,9 +182,12 @@
         try
         {
             Mat gabor_filter = Cv2.GetGaborKernel(new Size(kernel_size, kernel_size), sigma, theta, lambd, gamma, psi, MatType.CV_32F);
-            Mat kenel = new Mat(5, 5, MatType.CV_8UC1);
+            if (rstGabor != null)
+            {
+                rstGabor.Release();
+            }
             rstGabor = new Mat();
-            Cv2.Filter2D(grayMat, rstGabor, grayMat.Type(), kenel);
+            Cv2.Filter2D(grayMat, rstGabor, grayMat.Type(), gabor_filter);
         }
         catch (Exception ex)
         {
@@ -196,7 +199,10 @@
     {
         if (srcBinary is null)
             throw new InvalidOperationException($"{nameof(srcBinary)} is null");
-
+        if (rstBinary != null)
+        {
+            rstBinary.Release();
+        }
         rstBinary = new Mat(srcBinary.Size(), MatType.CV_8UC1);
         Cv2.CvtColor(srcBinary, rstBinary, ColorConversionCodes.BGR2GRAY);
     }
@@ -207,6 +213,10 @@
             throw new InvalidOperationException($"{nameof(srcBinary)} is null");
 
         using var grayMat = new Mat();
+        if (rstBinary != null)
+        {
+            rstBinary.Release();
+        }
         rstBinary = new Mat();
         Cv2.CvtColor(srcBinary, grayMat, ColorConversionCodes.BGR2GRAY);
         Cv2.ApplyColorMap(grayMat, rstBinary, ColormapTypes.Jet);
@@ -218,6 +228,10 @@
             throw new InvalidOperationException($"{nameof(srcBinary)} is null");
 
         using var grayMat = new Mat();
+        if (rstBinary != null)
+        {
+            rstBinary.Release();
+        }
         rstBinary = new Mat(srcBinary.Size(), MatType.CV_8UC1);
         Cv2.CvtColor(srcBinary, grayMat, ColorConversionCodes.BGR2GRAY);
         Cv2.Threshold(grayMat, rstBinary, valthreshold, 255, ThresholdTypes.Binary);
@@ -225,8 +239,18 @@
 
     private void SelectImage(string name)
     {
-        string imagePath = $"wwwroot/images/{name}.bmp";
-        srcBinary = Cv2.ImRead(imagePath);
-        Cv2.Resize(srcBinary, srcBinary, new Size(width, height));
+        try
+        {
+            string imagePath = $"wwwroot/images/{name}.bmp";
+            if (srcBinary != null)
+            {
+                srcBinary.Release();
+            }
+            srcBinary = Cv2.ImRead(imagePath);
+            Cv2.Resize(srcBinary, srcBinary, new Size(width, height));
+        }
+        catch(Exception e)
+        {
+        }
     }
 }