diff --git a/inference_test.py b/inference_test.py
index 3aa08af..99ee4bd 100644
--- a/inference_test.py
+++ b/inference_test.py
@@ -130,9 +130,9 @@ def preprocess_image(image_path):
     gray = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)
     resampled = bicubic(gray) 
     # Convert grayscale to 3-channel RGB by duplicating the gray channel
-    img1 = contrast_stretch(adjust_gamma(cv2.cvtColor(resampled, cv2.COLOR_GRAY2RGB),gamma=1,alpha=1.4,beta=-5)) # perfect tunning
+    img1 = contrast_stretch(adjust_gamma(cv2.cvtColor(resampled, cv2.COLOR_GRAY2RGB),gamma=0.3,alpha=1.6,beta=-5)) # perfect tunning
     
-    img = cv2.fastNlMeansDenoising(img1, None, 20, 10, 20)
+    img = cv2.fastNlMeansDenoising(img1, None, 30, 10, 20)
     
     plt.imshow(img)
     plt.axis("off")