diff --git a/configure.sh b/configure.sh
index 3f96805b..453914f4 100644
--- a/configure.sh
+++ b/configure.sh
@@ -40,6 +40,7 @@ echo -e "\e[1;34mInstalling Optional Requisites\e[0;39m"
 sudo apt-get install python-dev \
                      python-numpy \
                      python-pyexiv2 \
+                     python-scipy \
                      libtbb2 \
                      libtbb-dev \
                      libjpeg-dev \
@@ -62,6 +63,19 @@ then
     echo -e "\e[1;33mWARNING: \e[39mError when Installing Optional Requisites\e[0m"
 fi
 
+## Installing OpenSfM Requisites
+echo -e "\e[1;34mInstalling OpenSfM Dependencies\e[0;39m"
+sudo pip install networkx \
+                 PyYAML \
+                 numpy \
+                 exifread \
+                 gpxpy \
+                 xmltodict
+if [ $? -ne 0 ] 
+then
+    echo -e "\e[1;33mWARNING: \e[39mError when Installing OpenSfM Dependencies\e[0m"
+fi
+
 ## Remove libdc1394-22-dev due to python opencv issue
 echo -e "\e[1;34mRemoving libdc1394-22-dev\e[0;39m"
 sudo apt-get remove libdc1394-22-dev
diff --git a/opendm/dataset.py b/opendm/dataset.py
index 8a0fba8f..d409e53b 100644
--- a/opendm/dataset.py
+++ b/opendm/dataset.py
@@ -28,8 +28,8 @@ def load_dataset(images_dir, args):
 
     # create ODMPhoto list
     for f in files:
-        file_name = os.path.join(images_dir, f)
-        photos.append(datatypes.ODMPhoto(file_name, args))
+        path_file = os.path.join(images_dir, f)
+        photos.append(datatypes.ODMPhoto(path_file, args))
 
     log.ODM_INFO('Found %s usable images' % len(photos))
     return photos
diff --git a/opendm/datatypes.py b/opendm/datatypes.py
index a1078854..cd472e8a 100644
--- a/opendm/datatypes.py
+++ b/opendm/datatypes.py
@@ -1,4 +1,5 @@
 import os
+import pyexiv2
 import subprocess
 
 import log
@@ -41,10 +42,9 @@ class ODMApp:
 class ODMPhoto:
     """   ODMPhoto - a class for ODMPhotos
     """
-    def __init__(self, path, args):
+    def __init__(self, path_file, args):
         #  general purpose
-        self.path = path
-        self.path_file = None
+        self.path_file = path_file
         # useful attibutes
         self.file_name = None
         self.width = None
@@ -77,46 +77,12 @@ class ODMPhoto:
         self.jpg_quality = None
 
         # parse values
-        self.parse_jhead_values(self.path, args)
+        #self.parse_jhead_values(self.path_file, args)
+        self.parse_pyexiv2_values(self.path_file, args)
 
         # compute focal lenght into pixels
         self.compute_focal_length()
 
-        # TODO(edgar): compute global min/max
-        # def compute_min_max()
-            # min_width = min(min_width, width)
-            # max_width = max(max_width, width)
-            # min_height = min(min_height, heigth)
-            # max_height = max(max_height, height)
-
-            ## populate & update max/mins
-#                    
-            #if objODMJob.minWidth == 0:
-                #objODMJob.minWidth = self.width
-#                           
-            #if objODMJob.minHeight == 0:
-                #objODMJob.minHeight = self.height
-#
-            #if objODMJob.minWidth < self.width:
-                #objODMJob.minWidth = self.minWidth
-            #else:
-                #objODMJob.minWidth = self.width
-#           
-            #if objODMJob.minHeight < self.height:
-                #objODMJob.minHeight = objODMJob.minHeight
-            #else:
-                #objODMJob.minHeight = self.height
-#
-            #if objODMJob.maxWidth > self.width:
-                #objODMJob.maxWidth = objODMJob.maxWidth
-            #else:
-                #objODMJob.maxWidth = self.width
-#
-            #if objODMJob.maxHeight > self.height:
-                #objODMJob.maxHeight = objODMJob.maxHeight
-            #else:
-                #objODMJob.maxHeight = self.height   
-
     def compute_focal_length(self):
         if self.focal_length is not None and self.ccd_width is not None:
             # compute the focal lenth in pixels
@@ -133,13 +99,42 @@ class ODMPhoto:
             log.ODM_WARNING('No CCD width or focal length found for image file: \n' + 
                 self.file_name + ' camera: \"' + self.camera_model)
 
-    def parse_jhead_values(self, _path, args):
+
+    def parse_pyexiv2_values(self, _path_file, args):
+        # read image metadata
+        metadata = pyexiv2.ImageMetadata(_path_file)
+        metadata.read()
+        # loop over image tags
+        for key in metadata:
+            # catch tag value
+            val = metadata[key].value
+            # parse tag names
+            if key == 'Exif.Image.Make':  self.camera_make = val
+            elif key == 'Exif.Image.Model': self.camera_model = val
+            elif key == 'Exif.Photo.PixelXDimension': self.width = val
+            elif key == 'Exif.Photo.PixelYDimension': self.height = val
+            elif key == 'Exif.Photo.FocalLength': 
+                self.focal_length = float(val)
+
+        # find ccd_width from file if needed
+        if self.ccd_width is None:
+            # load ccd_widths from file
+            ccd_widths = system.get_ccd_widths()
+
+            key = [x for x in ccd_widths.keys() if self.camera_model in x][0]
+            if key is not None:
+                self.ccd_width = float(ccd_widths[key])
+            else:
+                log.ODM_ERROR('Could not find ccd_width in file')
+
+
+    def parse_jhead_values(self, _path_file, args):
 
          # load ccd_widths from file
         ccd_widths = system.get_ccd_widths()
 
         # start pipe for jhead
-        src_process = subprocess.Popen(['jhead', _path], 
+        src_process = subprocess.Popen(['jhead', _path_file], 
                                        stdout=subprocess.PIPE)
         std_out, std_err = src_process.communicate()
 
diff --git a/opendm/tasks.py b/opendm/tasks.py
index be3cc344..7e5b94a5 100644
--- a/opendm/tasks.py
+++ b/opendm/tasks.py
@@ -98,6 +98,11 @@ class ODMTaskManager(object):
 		return tasks
 
 	def run_tasks(self):
+
+		#curr_task = self.tasks['resize']
+
+		#self.tasks['resize']
+
 		for id in range(self.initial_task_id, self.final_task_id + 1):
 			# catch task with current id
 			task = self.tasks[str(id)]
@@ -112,6 +117,7 @@ class ODMTaskManager(object):
 				log.ODM_ERROR('Aborted task %s: %s' % (task.id, task.name))
 
 
+
 class ODMTask(object):
 	"""docstring for ODMTask"""
 	def __init__(self, id, name):