The present invention relates biometric authentication using an optical biometric arrangement comprising an image sensor comprising a photodetector pixel array configured to capture an image of an object, the image sensor being arranged under a color controllable light source comprising light source units, the method comprising: providing a light pattern comprising portions of different light intensity for illuminating the object; acquiring an image of the object, the image comprising image portions corresponding to the portions of different light intensity of the light pattern illuminating the object, at least one image portion being captured by pixels in the photodetector pixel array arranged directly under a light source being active during image acquisition, and at least one image portion being captured by pixels in the photodetector pixel array arranged under an at least partly in-active illumination area of the color controllable light source during image acquisition, and performing biometric authentication at least partly based on metrics extracted from the image portions.

Systems and methods are disclosed for synthesizing speech from minute facial skin movements. In one implementation, a system may include a processor configured to control at least one coherent light source to illuminate a region of a face. The processor may receive from at least one sensor, reflection signals indicative of coherent light reflected from the face. The reflection signals may be analyzed to determine the minute facial skin movements associated with silent speech. Then, based on the determined minute facial skin movements, the processor may determine a sequence of words associated with the silent speech, and synthesize the sequence of words associated with the silent speech into audio signals.

A live facial recognition method includes projecting a given pattern to a subject under recognition; capturing a reflected pattern of the subject under recognition; and detecting whether the subject under recognition is a flat surface according to the reflected pattern. The subject under recognition is determined to be a living subject when the subject under recognition is not a flat surface.

A biological information detection method including: causing a light source to emit first light in a first area; detecting a presence of a first living body in the first area based on a second light which is resulted in the emission of the first light; detecting body motion of the first living body based on the second light; determining whether or not the body motion is within a low level; notifying, in response to the determination that the body motion is within the low level, a first alert to the first living body, where the first alert includes an information to draw attention of the first living body.

A biological information detection method including: causing a light source to emit first light in a first area; detecting a presence of a first living body in the first area based on a second light which is resulted in the emission of the first light; detecting body motion of the first living body based on the second light; determining whether or not the body motion is within a low level; notifying, in response to the determination that the body motion is within the low level, a first alert to the first living body, where the first alert includes an information to draw attention of the first living body.

A control method for an electronic device and an electronic device are provided. The electronic device includes an infrared emitter, an infrared sensor, and a visible light sensor. The control method includes: acquiring an original pixel position of a zero-level region on the infrared sensor; acquiring a human eye pixel position of a human eye region on the visible light sensor; determining whether a human eye enters the zero-level region according to the original pixel position and the human eye pixel position; and triggering a protection mechanism of the infrared emitter when the human eye enters the zero-level region.

The present disclosure provides a display apparatus including: a display module with a plurality of color filters and a black matrix with a plurality of first openings and a plurality of second openings, and the plurality of color filters are arranged in the plurality of first openings in a one-to-one correspondence; a fingerprint recognition circuit, on a side of the display module away from a display surface of the display module and including a plurality of fingerprint recognition elements; and a collimating structure, on an incident side of the fingerprint recognition circuit and including at least two light shading layers, wherein each of the light shading layers has a plurality of light transmitting holes, and one of the light shading layers is multiplexed as the black matrix.

A method of operating a time-of-flight system includes projecting a light pattern from an illumination source into an environment; by an array of light sensors of a time-of-flight sensor of the time-of-flight system, detecting the light pattern reflected by an object in an environment; and generating a signal based on the light detected by a subset of the light sensors of the array of light sensors, the signal being provided to one or more processors for generation of a representation of the environment.

A card reader includes a camera mounted on card reader housing and a card input tray supported by the card reader housing. The card input tray provides automated alignment of a card by being at an inclined angle sufficiently steep so that when the card is placed into a front of the card input tray, the card will tend to slide to a back of the card input tray and rest against a back wall of the card input tray, the back wall aligning the card to minimize document skew when scanning. Diffused light is used to illuminate the card when the card is within the card input tray.

A card reader includes a camera mounted on card reader housing and a card input tray supported by the card reader housing. The card input tray provides automated alignment of a card by being at an inclined angle sufficiently steep so that when the card is placed into a front of the card input tray, the card will tend to slide to a back of the card input tray and rest against a back wall of the card input tray, the back wall aligning the card to minimize document skew when scanning. Diffused light is used to illuminate the card when the card is within the card input tray.