diff --git a/mainEntry.py b/mainEntry.py
index 09e133f..2409d18 100644
--- a/mainEntry.py
+++ b/mainEntry.py
@@ -21,7 +21,7 @@ class PyQtMainEntry(QMainWindow, Ui_MainWindow):
 
         self._timer = QtCore.QTimer(self)
         self._timer.timeout.connect(self._queryFrame)
-        self._timer.setInterval(30)
+        self._timer.setInterval(10)
 
     def btnOpenCamera_Clicked(self):
 
@@ -64,12 +64,33 @@ class PyQtMainEntry(QMainWindow, Ui_MainWindow):
 
     def btnGray_Clicked(self):
 
+        if not hasattr(self, "captured"):
+            return
+
+        self.cpatured = cv.cvtColor(self.captured, cv.COLOR_RGB2GRAY)
+
+        rows, columns = self.cpatured.shape
+        bytesPerLine = columns
+
+        QImg = QImage(self.cpatured.data, columns, rows, bytesPerLine, QImage.Format_Indexed8)
+        self.labelResult.setPixmap(QPixmap.fromImage(QImg).scaled(
+            self.labelResult.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
 
     def btnThreshold_Clicked(self):
 
         if not hasattr(self, "captured"):
             return
 
+        _, self.cpatured = cv.threshold(
+            self.cpatured, 0, 255, cv.THRESH_BINARY + cv.THRESH_OTSU)
+
+        rows, columns = self.cpatured.shape
+        bytesPerLine = columns
+
+        QImg = QImage(self.cpatured.data, columns, rows, bytesPerLine, QImage.Format_Indexed8)
+        self.labelResult.setPixmap(QPixmap.fromImage(QImg).scaled(
+            self.labelResult.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
+
     @QtCore.pyqtSlot()
     def _queryFrame(self):
 
@@ -89,7 +110,14 @@ class PyQtMainEntry(QMainWindow, Ui_MainWindow):
         if not hasattr(self, "captured"):
             return
 
+        self.cpatured = cv.fastNlMeansDenoising(self.cpatured, None, 10, 7, 21)
+
+        rows, columns = self.cpatured.shape
+        bytesPerLine = columns
 
+        QImg = QImage(self.cpatured.data, columns, rows, bytesPerLine, QImage.Format_Indexed8)
+        self.labelResult.setPixmap(QPixmap.fromImage(QImg).scaled(
+            self.labelResult.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
 
 if __name__ == "__main__":
     app = QtWidgets.QApplication(sys.argv)