prepare for calibration data collection

src/orisys/configs/prototype.json

@@ -9,8 +9,8 @@
     "resolution_stitch": [400, 400]
   },
   "stitcher": {
-    "min_area_frac": 0.018,
-    "max_area_frac": 0.035,
+    "min_area_frac": 0.01,
+    "max_area_frac": 0.04,
     "max_aspect_ratio": 100,
     "index": [1,2,3,6,7,8,11,12,13],
     "margin": 10,

src/orisys/sensor.py

@@ -101,7 +101,7 @@ class Sensor:
         
         # Data Variables (public)
         shape = (self.__config_cam["resolution_stitch"][1], self.__config_cam["resolution_stitch"][0])
-        self.img = None
+        self.frame = self.img = None
         self.img_size_raw = None
         self.img_filtered = None
         self.initial_img = None
@@ -164,7 +164,7 @@ class Sensor:
         if not ret:
             print("Failed to get_img from video source.")
             return None
-        
+        self.frame = frame
         # Convert to grayscale
         gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)