Long Distance Heterogeneous Face Database (LDHF-DB)

bob.db.nivl.get_config()

Returns a string containing the configuration information.

class bob.db.nivl.Annotation(file_id, le_x, le_y, re_x, re_y)

Bases: sqlalchemy.ext.declarative.api.Base

• Annotation.id
• x
• y

file_id

le_x

le_y

re_x

re_y

class bob.db.nivl.Client(id, group)

Bases: sqlalchemy.ext.declarative.api.Base

Information about the clients (identities) of the LDHF.

id

class bob.db.nivl.Database(original_directory=None, original_extension=None)

Bases: bob.db.base.SQLiteDatabase

Wrapper class for the Near-Infrared and Visible-Light (NIVL) Dataset

protocols()

purposes()

annotations(file, annotation_type='eyes_center')

This function returns the annotations for the given file id as a dictionary.

Parameters

file: bob.db.base.File

The File object you want to retrieve the annotations for,

Return

A dictionary of annotations, for face images usually something like {‘leye’:(le_y,le_x), ‘reye’:(re_y,re_x), …}, or None if there are no annotations for the given file ID (which is the case in this base class implementation).

objects(groups=None, protocol=None, purposes=None, model_ids=None, modality=None, **kwargs)

This function returns lists of File objects, which fulfill the given restrictions.

get_client_by_id(client_id)

Get the client object from its ID

model_ids(protocol=None, groups=None)

groups(protocol=None, **kwargs)

This function returns the list of groups for this database.

clients(protocol=None, groups=None)

zclients(protocol=None)

Returns a set of Z-Norm clients for the specific query by the user.

tclients(protocol=None)

Returns a set of T-Norm clients for the specific query by the user.

zobjects(protocol=None, groups=None)

Returns a set of Z-Norm objects for the specific query by the user.

tobjects(protocol=None, model_ids=None, groups=None)

Returns a set of T-Norm objects for the specific query by the user.

tmodel_ids(groups=None, protocol=None, **kwargs)

This function returns the ids of the T-Norm models of the given groups for the given protocol.

modality_separator

modalities

class bob.db.nivl.File(file_id, image_name, client_id, modality, session, year)

Bases: sqlalchemy.ext.declarative.api.Base, bob.db.base.File

Information about the files of the LDHF database.

Each file includes * the client id

modality_choices = ('VIS', 'NIR')

id

path

client

all_annotations

client_id

modality

session

year

annotations(annotation_type='eyes_center')

class bob.db.nivl.Protocol_File_Association(protocol, group, purpose, file_id)

Bases: sqlalchemy.ext.declarative.api.Base

Describe the protocols

protocol

group

purpose

file_id