Systems and methods for communicating in a network using share signals in accordance with various embodiments of the present disclosure are provided. In one embodiment, a method for communicating in a network may include receiving, from a first client device, a share signal including image data captured by a camera of a first audio/video (A/V) recording and communication device; transmitting, to a second A/V recording and communication device, a secondary device state request signal; receiving, from the second A/V recording and communication device a secondary device update signal that includes a status of the at least one secondary device in network communication with the second A/V recording and communication device; and generating and transmitting an alert to a second client device associated with the second A/V recording and communication device, wherein the alert includes the image data and the status of the at least one secondary device.

An access control system includes an identification unit having an infrared (IR) transmitter that transmits IR radiation, an IR detector that receives the reflected IR radiation from one or more body parts of the user, one or more signal processing components to determine a temperature of the user based on the received reflected IR radiation, and an identification device to receive identification information of the user. The access control system also includes a processor that receives the reading of the user, instructs a door lock controller to unlock a door when the temperature is below the threshold temperature or the temperature is within the temperature range. The processor sends an alert when the temperature is above the threshold temperature or the temperature is outside the temperature range, and sends identification information of the user to one or more network devices.

A fingerprint identification method capable of simultaneously identifying fingerprint image and oxygen saturation is provided. The method may include allowing for a finger to be placed on a light reception surface of a photoelectron sensor module, enabling emission of an invisible light and a visible light, receiving light intensity signals corresponding to the invisible light penetrated into the finger and then reflected by the finger and the visible light reflected from the finger using the photoelectron sensor module, converting the light intensity signals to photocurrent signals by the photoelectron sensor module, converting the photocurrent signals to a corresponding first digital signal and a second digital signal by an analog/digital converting module, and outputting a fingerprint image corresponding to the first digital signal and a finger oxygen saturation image corresponding to the second digital signal by the processor module.

The invention provides an image capture system, apparatus and method for capturing a biometric image in high ambient light environments. Reflections from ambient light can introduce unwanted environmental pattern noise that can interfere with extracting information from a captured biometric image. The invention performs attenuation of ambient light without requiring employment of shielding to prevent ambient light from reflecting off of a surface being imaged. As a result, the invention can be deployed into environments with varied indoor or outdoor lighting characteristics.

An air conditioning system for motor vehicles includes a plurality of infrared image sensors configured to take images of a vehicle room to detect infrared rays radiated from vehicle occupants, and an analysis unit configured to analyze vehicle occupant information based on the images taken by the infrared image sensors. The infrared image sensors are installed in front upper regions of the vehicle room so as to take images of different imaging areas.

Imaging system and method, the system including a main detection unit, an auxiliary detection unit, an image processor, and a controller. The main detection unit includes a light source that emits light pulses and a gated image sensor that receives reflections of the light pulses reflected from a selected depth of field in the environment and converts the reflections into a reflection-based image. The auxiliary detection unit includes a thermal sensor that detects infrared radiation emitted from the environment and generates an emission-based image. The image processor processes and detects at least one region of interest in the acquired reflection-based image and/or acquired emission-based image. The controller adaptively controls at least one detection characteristic of a detection unit based on information obtained from the other detection unit. The image processor detects at least one object of interest in the acquired reflection-based image and/or acquired emission-based image.

An imaging device includes a reflection polarization prism having an incident surface on which illumination light emitted from a light emitter is incident and a transmission surface that passes the illumination light entered the incident surface through one surface of a light-transmitting member, an imager including an image sensor having a first light-receiving portion that receives light from a predetermined imaging area transmitting the light-transmitting member and a second light-receiving portion adjacent to the first light-receiving portion that receives the illumination light reflected on an opposite surface to the one surface of the light-transmitting member, and an optical member that emits the light introduced from the predetermined imaging area to the first light-receiving portion and emits the illumination light reflected on the opposite surface of the light-transmitting member to the second light-receiving portion.

Various implementations of the invention perform facial recognition on a target image compared against a color image from an image gallery, where the target image was acquired by an infrared-sensitive camera of a target that was illuminated with infrared light. According to various implementations of the invention, a blue component and a green component of the pixels in the color image are suppressed or eliminated, and facial recognition is performed between the target image and the color-suppressed image.

The present disclosure provides a biological detection device and a processing method of the same. The biological detection device comprises a chip, a light emitter, a circuit board and a covering layer. The chip comprises a photoelectric converter, and the covering layer is covered on the chip, the photoelectric converter and the light emitter; the covering layer is light transmissive; the light emitter emits light; the photoelectric converter receives the light emitted by the light emitter, and is further used for performing photoelectric converting on the light so as to obtain an electrical signal; the chip detects an object to be detected according to the electrical signal; and the circuit board provides a communication channel and power supply for the chip and the light emitter. The technical solution of the present disclosure can improve flexibility of using the biological detection device, and prevent fingerprint recognition from being cracked by prosthesis.

A fingerprint identification method is provided. The method includes steps as follows: having a finger press on a photoelectronic sensor module; respectively emitting an invisible light beam reflected to a photoelectronic sensor module after passing through the finger and a visible light beam reflected to the photoelectronic sensor module via a surface of the finger; generating, by the photoelectronic sensor module, photocurrent signals based on the visible light beam and the invisible light beam; respectively generating, by an analog/digital converter module, a first digital signal and a second digital signal based on the photocurrent signals; and outputting, by a processor module, the first digital signal as a gray-scale fingerprint image and a second digital signal as a colored fingerprint image. The invention also provides a fingerprint identification device performing the fingerprint identification method.