Abstract: A method for face authentication is proposed. The method includes at least one face detection step including determining at least one first image by using at least one camera, determining at least one material property from a second image, where the second image is recorded while projecting at least one illumination pattern including a plurality of illumination features on the scene, and at least one authentication step including authenticating the detected face by using the face detection and the material property.

Abstract: Disclosed herein is a method for training a data-driven model for determining a user-selected parameter value related to the condition of a human including: (a) receiving an image of a body part of the human while the body part is illuminated by a light pattern containing at least one pattern feature, (b) determining skin pattern features from the image, where a skin pattern feature is a pattern feature which has been reflected by skin, (c) receiving from a user interface a user-selected parameter value related to the condition of the human, and (d) training a data-driven model with a training dataset comprising the skin pattern features and the user-selected parameter value.

Abstract: Disclosed herein is a method for determining an access right of a user to a requesting computer device, the method including, by an authenticating computer device: receiving (S1) a detector signal containing captured biometric information about the user from the requesting computer device, authenticating (S2) the user based on the detector signal, determining (S3) an access right information of the user based on the authentication and based on a prestored access right information indicating user rights associated with one or multiple users, the access right information indicating an extent to which the user is allowed to access the requesting computer device, and transmitting (S4) the access right information of the user to the requesting computer device.

Abstract: Disclosed herein is a system for identifying a subject interacting with a display device, where the system includes i) an image providing unit for providing a first image showing a first body part of the subject and a second image showing a second body part of the subject, where the first and the second image have been acquired by imaging the first and second body part, respectively, through a display of the display device, ii) a combined similarity determining unit for determining a combined degree of similarity of a) the first and the second image to b) a first and a second reference image corresponding to a reference subject identity, and iii) a subject identity determining unit for determining whether an identity of the subject corresponds to the reference subject identity based on the combined degree of similarity.

Abstract: Disclosed herein is a method for characterizing material properties of an object, where the object has a form and including at least one material, the method includes receiving imaging data associated to the object, determining, by processing the received imaging data, at least one reflection feature corresponding to a spot in the first image: comparing, by processing the at least one reflection feature, the spot pattern comprised in the first image with reference spot patterns for obtaining a comparison result; and determining a material property of the object as a function of the comparison result. Further disclosed herein is a device with data processing capabilities and for implementing the method.

Abstract: Disclosed herein is a method for detecting a vital sign, the method including the steps of a) generating or receiving an image data set representing at least one reflection image of a speckle pattern produced by coherent electromagnetic radiation reflected from an object, b) determining a speckle contrast of the speckle pattern, c) determining a vital sign measure based on the determined speckle contrast, and d) providing the vital sign measure.

Abstract: Disclosed herein is a detector for determining a position of at least one object. The detector includes at least one projector for illuminating the object, at least one sensor element, and at least one evaluation device.

Abstract: Disclosed herein is a field of biometric authentication, in particular the field of anti-spoofing. Further disclosed herein are methods, apparatuses, devices, material information and computer elements for generating biometric authentication information.

Abstract: The invention relates to the field of biometric authentication, in particular to the field of anti-spoofing. The disclosure relates to methods, apparatuses, devices, material information and computer elements for authorizing a user of a device to perform at least one operation that requires authentication.

Abstract: Disclosed herein is a detector for determining at least one material property of at least one object. The detector includes at least one projector configured for illuminating the object with at least one illumination pattern including a plurality of illumination features; at least one first camera having at least one first sensor element; at least one second camera having at least one second sensor element; and at least one evaluation device configured for evaluating a first reflection image and the second reflection image.

Abstract: The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 40.01 to 99.95% by weight of a luminescent organometallic complex X having a difference of the singlet energy (ES1(X)) and the triplet energy (ET1(X)) of smaller than 0.2 eV [?(ES1(X))?(ET1(X))<0.2 eV], 0.05 to 5.00% by weight of a fluorescent emitter Y and 0 to 59.94% by weight of a host compound(s), wherein the amount of the organometallic complex X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the luminescent organometallic complex X (ES1(X)) is greater than the singlet energy of the fluorescent emitter Y (ES1(Y)) [(ES1(X))>ES1(Y)].

Abstract: Described herein is a detector for identifying at least one material property m. The detector includes at least one sensor element including a matrix of optical sensors, the optical sensors each having a light-sensitive area. The sensor element is configured for recording at least one reflection image of a light beam originating from at least one object. The detector includes at least one evaluation device configured for determining the material property m by evaluation of at least one beam profile of the reflection image and evaluation of a material feature ??2m.

Abstract: A method for face authentication is proposed. The method includes at least one face detection step including determining at least one first image by using at least one camera, determining at least one material property from a second image, where the second image is recorded while projecting at least one illumination pattern including a plurality of illumination features on the scene, and at least one authentication step including authenticating the detected face by using the face detection and the material property.

Abstract: A detector for determining a position of at least one object, the detector including: at least one projector for illuminating the object with at least one illumination pattern; at least one sensor element having a matrix of optical sensors; and at least one evaluation device configured for determining initial distance information of reflection features by analysis of their respective beam profiles, where the evaluation device is configured for performing a calibration method.

Abstract: Described herein is a detector for identifying at least one material property m. The detector includes at least one sensor element including a matrix of optical sensors, the optical sensors each having a light-sensitive area. The sensor element is configured for recording at least one reflection image of a light beam originating from at least one object. The detector includes at least one evaluation device configured for determining the material property m by evaluation of at least one beam profile of the reflection image and evaluation of a material feature ?2m.

Abstract: The present invention relates to the use of transition metal-carbene complexes in organic light-emitting diodes (OLEDs), to a light-emitting layer, to a blocking layer for electrons or excitons, or to a blocking layer for holes, each comprising these transition metal-carbene complexes, to OLEDs comprising these transition metal-carbene complexes, to devices which comprise an inventive OLED, and to transition metal-carbene complexes.

Abstract: The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.

Abstract: Described herein is a detector for determining a position of at least one object. The detector includes at least one sensor element having a matrix of optical sensors, the optical sensors each having a light-sensitive area, wherein the sensor element is configured to determine a reflection image of the object. The detector also includes an evaluation device configured to select a reflection feature of the reflection image, and determine a distance estimate of the selected reflection feature of the reflection image by optimizing at least one blurring function fa, wherein the distance estimate is given by a longitudinal coordinate z and an error interval±?. The evaluation device is adapted to determine at least one displacement region in at least one reference image corresponding to the distance estimate, and to match the selected reflection feature with at least one reference feature within the displacement region.

Abstract: Described herein is a detector for identifying at least one material property m. The detector includes at least one sensor element including a matrix of optical sensors, the optical sensors each having a light-sensitive area. The sensor element is configured for recording at least one reflection image of a light beam originating from at least one object. The detector includes at least one evaluation device configured for determining the material property by evaluation of at least one beam profile of the reflection image.

Abstract: The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (ES1(X)) and the triplet energy (ET1(X)) of less than or equal to 0.4 eV [?(ES1(X)) ?(ET1(X))?0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X(ES1(X)) is greater than the singlet energy of the fluorescent emitter Y(ES1(Y)) [(ES1(X))>ES1(Y)].