diff --git a/bob/pad/face/database/__init__.py b/bob/pad/face/database/__init__.py
index 5d92e76c278fc31d6f36fa814b6ebe62643787cd..7b20112adff6a563706c7f182ec773726816ccd0 100644
--- a/bob/pad/face/database/__init__.py
+++ b/bob/pad/face/database/__init__.py
@@ -1,4 +1,5 @@
from .replay import ReplayPadDatabase
+from .replay_mobile import ReplayMobilePadDatabase
# gets sphinx autodoc done right - don't remove it
def __appropriate__(*args):
@@ -16,6 +17,7 @@ def __appropriate__(*args):
__appropriate__(
ReplayPadDatabase,
+ ReplayMobilePadDatabase,
)
__all__ = [_ for _ in dir() if not _.startswith('_')]
diff --git a/bob/pad/face/database/replay.py b/bob/pad/face/database/replay.py
index fd8bb048677703d1675c44eedce1d732c8161cdf..1d1a663548a40e4751f6564e68d55779fd816d41 100644
--- a/bob/pad/face/database/replay.py
+++ b/bob/pad/face/database/replay.py
@@ -10,6 +10,7 @@ from bob.pad.base.database import PadFile # Used in ReplayPadFile class
from bob.pad.base.database import PadDatabase
+
#==============================================================================
class ReplayPadFile(PadFile):
@@ -44,11 +45,11 @@ class ReplayPadFile(PadFile):
super(ReplayPadFile, self).__init__(client_id=f.client_id, path=f.path,
attack_type=attack_type, file_id=f.id)
- #==========================================================================
+ #==========================================================================
def load(self, directory=None, extension='.mov'):
"""
- Overridden version of the load method defined in the ``bob.db.base.File``.
+ Overridden version of the load method defined in the ``PadFile``.
**Parameters:**
@@ -73,8 +74,8 @@ class ReplayPadFile(PadFile):
return video_data # video data
-#==============================================================================
+#==============================================================================
class ReplayPadDatabase(PadDatabase):
"""
A high level implementation of the Database class for the REPLAY-ATTACK database.
@@ -119,8 +120,8 @@ class ReplayPadDatabase(PadDatabase):
original_extension = original_extension,
**kwargs)
- #==========================================================================
+ #==========================================================================
def objects(self, groups=None, protocol=None, purposes=None, model_ids=None, **kwargs):
"""
This function returns lists of ReplayPadFile objects, which fulfill the given restrictions.
@@ -158,8 +159,8 @@ class ReplayPadDatabase(PadDatabase):
files = [ReplayPadFile(f) for f in files]
return files
- #==========================================================================
+ #==========================================================================
def annotations(self, f):
"""
Return annotations for a given file object ``f``, which is an instance
diff --git a/bob/pad/face/database/replay_mobile.py b/bob/pad/face/database/replay_mobile.py
new file mode 100644
index 0000000000000000000000000000000000000000..773ca43d469e5341500948c12c2837faa61aa0ea
--- /dev/null
+++ b/bob/pad/face/database/replay_mobile.py
@@ -0,0 +1,226 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+
+#==============================================================================
+import bob.bio.video # Used in ReplayMobilePadFile class
+
+from bob.pad.base.database import PadFile # Used in ReplayMobilePadFile class
+
+from bob.pad.base.database import PadDatabase
+
+
+#==============================================================================
+class ReplayMobilePadFile(PadFile):
+ """
+ A high level implementation of the File class for the Replay-Mobile database.
+ """
+
+ def __init__(self, f):
+ """
+ **Parameters:**
+
+ ``f`` : :py:class:`object`
+ An instance of the File class defined in the low level db interface
+ of the Replay-Mobile database, in the bob.db.replaymobile.models.py file.
+ """
+
+ self.f = f
+ # this f is actually an instance of the File class that is defined in
+ # bob.db.replaymobile.models and the PadFile class here needs
+ # client_id, path, attack_type, file_id for initialization. We have to
+ # convert information here and provide them to PadFile. attack_type is a
+ # little tricky to get here. Based on the documentation of PadFile:
+ # In cased of a spoofed data, this parameter should indicate what kind of spoofed attack it is.
+ # The default None value is interpreted that the PadFile is a genuine or real sample.
+ if f.is_real():
+ attack_type = None
+ else:
+ attack_type = 'attack'
+ # attack_type is a string and I decided to make it like this for this
+ # particular database. You can do whatever you want for your own database.
+
+ super(ReplayMobilePadFile, self).__init__(client_id=f.client_id, path=f.path,
+ attack_type=attack_type, file_id=f.id)
+
+
+ #==========================================================================
+ def convert_arr_to_frame_cont(self, data):
+ """
+ This function converts an input 4D array with frames into FrameContainer,
+ where each frame is an RGB image. The dimensionality of the input array
+ is [N_frames, 3, N_rows, N_cols].
+
+ **Parameters:**
+
+ ``data`` : 4D :py:class:`numpy.ndarray`
+ An input 4D array with frames of the dimensionality:
+ [N_frames, 3, N_rows, N_cols].
+
+ **Returns:**
+
+ ``frames`` : FrameContainer
+ Resulting FrameContainer containing RGB frames.
+ """
+
+ frames = bob.bio.video.FrameContainer() # initialize the FrameContainer
+
+ for idx, sample in enumerate(data):
+
+ frames.add(idx, sample)
+
+ return frames
+
+
+ #==========================================================================
+ def load(self, directory=None, extension='.mov'):
+ """
+ Overridden version of the load method defined in the ``PadFile``.
+
+ **Parameters:**
+
+ ``directory`` : :py:class:`str`
+ String containing the path to the Replay-Mobile database.
+
+ ``extension`` : :py:class:`str`
+ Extension of the video files in the Replay-Mobile database.
+
+ **Returns:**
+
+ ``video_data`` : FrameContainer
+ Video data stored in the FrameContainer, see ``bob.bio.video.utils.FrameContainer``
+ for further details.
+ """
+
+ video_data_array = self.f.load(directory = directory,
+ extension = extension)
+
+ video_data = self.convert_arr_to_frame_cont(video_data_array) # the result is now a FrameContainer
+
+ return video_data
+
+
+#==============================================================================
+class ReplayMobilePadDatabase(PadDatabase):
+ """
+ A high level implementation of the Database class for the Replay-Mobile database.
+ """
+
+ def __init__(
+ self,
+ protocol='grandtest', # grandtest is the default protocol for this database
+ original_directory=None,
+ original_extension=None,
+ **kwargs):
+ """
+ **Parameters:**
+
+ ``protocol`` : :py:class:`str` or ``None``
+ The name of the protocol that defines the default experimental setup for this database.
+
+ ``original_directory`` : :py:class:`str`
+ The directory where the original data of the database are stored.
+
+ ``original_extension`` : :py:class:`str`
+ The file name extension of the original data.
+
+ ``kwargs``
+ The arguments of the :py:class:`bob.bio.base.database.BioDatabase` base class constructor.
+ """
+
+ from bob.db.replaymobile import Database as LowLevelDatabase
+
+ self.db = LowLevelDatabase()
+
+ # Since the high level API expects different group names than what the low
+ # level API offers, you need to convert them when necessary
+ self.low_level_group_names = ('train', 'devel', 'test') # group names in the low-level database interface
+ self.high_level_group_names = ('train', 'dev', 'eval') # names are expected to be like that in objects() function
+
+ # Always use super to call parent class methods.
+ super(ReplayMobilePadDatabase, self).__init__(
+ name = 'replay-mobile',
+ protocol = protocol,
+ original_directory = original_directory,
+ original_extension = original_extension,
+ **kwargs)
+
+
+ #==========================================================================
+ def objects(self, groups=None, protocol=None, purposes=None, model_ids=None, **kwargs):
+ """
+ This function returns lists of ReplayMobilePadFile objects, which fulfill the given restrictions.
+
+ Keyword parameters:
+
+ ``groups`` : :py:class:`str`
+ OR a list of strings.
+ The groups of which the clients should be returned.
+ Usually, groups are one or more elements of ('train', 'dev', 'eval')
+
+ ``protocol`` : :py:class:`str`
+ The protocol for which the clients should be retrieved.
+ The protocol is dependent on your database.
+ If you do not have protocols defined, just ignore this field.
+
+ ``purposes`` : :py:class:`str`
+ OR a list of strings.
+ The purposes for which File objects should be retrieved.
+ Usually it is either 'real' or 'attack'.
+
+ ``model_ids``
+ This parameter is not supported in PAD databases yet
+
+ **Returns:**
+
+ ``files`` : :py:class:`str`
+ A list of ReplayMobilePadFile objects.
+ """
+
+ # Convert group names to low-level group names here.
+ groups = self.convert_names_to_lowlevel(groups, self.low_level_group_names, self.high_level_group_names)
+ # Since this database was designed for PAD experiments, nothing special
+ # needs to be done here.
+ files = self.db.objects(protocol=protocol, groups=groups, cls=purposes, **kwargs)
+
+ files = [ReplayMobilePadFile(f) for f in files]
+
+ return files
+
+
+ #==========================================================================
+ def annotations(self, f):
+ """
+ Return annotations for a given file object ``f``, which is an instance
+ of ``ReplayMobilePadFile`` defined in the HLDI of the Replay-Mobile DB.
+ The ``load()`` method of ``ReplayMobilePadFile`` class (see above)
+ returns a video, therefore this method returns bounding-box annotations
+ for each video frame. The annotations are returned as dictionary of dictionaries.
+
+ **Parameters:**
+
+ ``f`` : :py:class:`object`
+ An instance of ``ReplayMobilePadFile`` defined above.
+
+ **Returns:**
+
+ ``annotations`` : :py:class:`dict`
+ A dictionary containing the annotations for each frame in the video.
+ Dictionary structure: ``annotations = {'1': frame1_dict, '2': frame1_dict, ...}``.
+ Where ``frameN_dict = {'topleft': (row, col), 'bottomright': (row, col)}``
+ is the dictionary defining the coordinates of the face bounding box in frame N.
+ """
+
+ annots = f.f.bbx(directory=self.original_directory) # numpy array containing the face bounding box data for each video frame, returned data format described in the f.bbx() method of the low level interface
+
+ annotations = {} # dictionary to return
+
+ for fn, frame_annots in enumerate(annots):
+
+ topleft = (frame_annots[1], frame_annots[0])
+ bottomright = (frame_annots[1] + frame_annots[3], frame_annots[0] + frame_annots[2])
+
+ annotations[str(fn)] = {'topleft': topleft, 'bottomright': bottomright}
+
+ return annotations
+