Add replay config and documentation

bob/bio/face/config/database/replay.py

+#!/usr/bin/env python
+
+from bob.bio.face.database import ReplayBioDatabase
+
+replay_attack_directory = "[YOUR_REPLAY_ATTACK_DIRECTORY]"
+
+replay_licit = ReplayBioDatabase(
+    original_directory=replay_attack_directory,
+    original_extension=".mov",
+    protocol='grandtest-licit',
+)
+
+replay_spoof = ReplayBioDatabase(
+    original_directory=replay_attack_directory,
+    original_extension=".mov",
+    protocol='grandtest-spoof',
+)

bob/bio/face/database/replay.py

@@ -11,12 +11,25 @@
 """
 
 from .database import FaceBioFile
-from bob.bio.base.database import BioDatabase, BioFile
+from bob.bio.base.database import BioDatabase
+
+
+class ReplayBioFile(FaceBioFile):
+    """docstring for ReplayBioFile"""
+    def __init__(self, f):
+        super(FaceBioFile, self).__init__(client_id=f.client_id, path=f.path, file_id=f.id)
+        self._f = f
+
+    def load(self, directory=None, extension=None):
+        video = self._f.load(directory, extension)
+        # just return the 10th frame.
+        return video[10]
 
 
 class ReplayBioDatabase(BioDatabase):
     """
     Implements verification API for querying Replay database.
+    This database only loads the 10th image from the video files
     """
     __doc__ = __doc__
 
@@ -44,15 +57,13 @@ class ReplayBioDatabase(BioDatabase):
             self.__db.groups(), self.low_level_group_names, self.high_level_group_names)
 
     def annotations(self, file):
-        """Will return the bounding box annotation of all frames of the video."""
-        # fn = 10  # 10th frame number
-        annots = file.bbx(directory=self.original_directory)
+        """Will return the bounding box annotation of 10th frame of the video."""
+        fn = 10  # 10th frame number
+        annots = file._f.bbx(directory=self.original_directory)
         # bob uses the (y, x) format
-        annotations = dict()
-        for i in range(annots.shape[0]):
-            topleft = (annots[i][2], annots[i][1])
-            bottomright = (annots[i][2] + annots[i][4], annots[i][1] + annots[i][3])
-            annotations[str(i)] = {'topleft': topleft, 'bottomright': bottomright}
+        topleft = (annots[fn][2], annots[fn][1])
+        bottomright = (annots[fn][2] + annots[fn][4], annots[fn][1] + annots[fn][3])
+        annotations = {'topleft': topleft, 'bottomright': bottomright}
         return annotations
 
     def model_ids_with_protocol(self, groups=None, protocol=None, **kwargs):
@@ -106,9 +117,9 @@ class ReplayBioDatabase(BioDatabase):
         retval = []
         for f in objects:
             if f.is_real():
-                retval.append(FaceBioFile(client_id=f.client_id, path=f.path, file_id=f.id))
+                retval.append(ReplayBioFile(f))
             else:
-                temp = FaceBioFile(client_id=f.client_id, path=f.path, file_id=f.id)
+                temp = ReplayBioFile(f)
                 temp.client_id = 'attack'
                 retval.append(temp)
         return retval

databases.txt

@@ -8,3 +8,4 @@ bob.db.mobio
 bob.db.multipie
 bob.db.scface
 bob.db.xm2vts
+bob.db.replay

develop.cfg

@@ -15,6 +15,7 @@ eggs = bob.bio.face
        bob.db.multipie
        bob.db.scface
        bob.db.xm2vts
+       bob.db.replay
        gridtk
        
 extensions = bob.buildout
@@ -51,6 +52,7 @@ develop = src/bob.extension
           src/bob.db.multipie
           src/bob.db.scface
           src/bob.db.xm2vts
+          src/bob.db.replay
           .
 
 ; options for bob.buildout
@@ -90,6 +92,7 @@ bob.db.mobio = git https://gitlab.idiap.ch/bob/bob.db.mobio
 bob.db.multipie = git https://gitlab.idiap.ch/bob/bob.db.multipie
 bob.db.scface = git https://gitlab.idiap.ch/bob/bob.db.scface
 bob.db.xm2vts = git https://gitlab.idiap.ch/bob/bob.db.xm2vts
+bob.db.replay = git https://gitlab.idiap.ch/bob/bob.db.replay
 
 [scripts]
 recipe = bob.buildout:scripts

doc/implementation.rst

@@ -151,6 +151,10 @@ Here is the list of files and replacement strings for all databases that are reg
   - Images: ``[YOUR_MULTI-PIE_IMAGE_DIRECTORY]``
   - Annotations: ``[YOUR_MULTI-PIE_ANNOTATION_DIRECTORY]``
 
+* Replay Attack ``'replay-img-licit'``, ``'replay-img-spoof'``
+
+  - Complete directory: ``[YOUR_REPLAY_ATTACK_DIRECTORY]``
+
 * SC face: ``'scface'``
 
   - Images: ``[YOUR_SC_FACE_DIRECTORY]``
@@ -159,7 +163,6 @@ Here is the list of files and replacement strings for all databases that are reg
 
   - Images: ``[YOUR_XM2VTS_DIRECTORY]``
 
-
 You can use the ``./bin/databases.py`` script to list, which data directories are correctly set up.
 
 In order to view the annotations inside your database on top of the images, you can use the ``./bin/display_face_annotations.py`` script that is provided.

setup.py

@@ -122,6 +122,8 @@ setup(
             'multipie-pose     = bob.bio.face.config.database.multipie_pose:database',
             'scface            = bob.bio.face.config.database.scface:database',
             'xm2vts            = bob.bio.face.config.database.xm2vts:database',
+            'replay-img-licit  = bob.bio.face.config.database.replay:replay_licit',
+            'replay-img-spoof  = bob.bio.face.config.database.replay:replay_spoof',
         ],
 
         'bob.bio.preprocessor': [