Abstract: An identity verification method applied in an identity verification device is provided. The method includes controlling a first camera to capture an image of a user and performing a preliminary verification on the user based on the captured image. A first reference point and a second reference point are determined on a human face of the user in the captured image, when the user passes the preliminary verification. Once first reference information of the first reference point and second reference information of the second reference point are obtained, a re-verification on the user is performed based on the first reference information of the first reference point and the second reference information of the second reference point.

Abstract: A physiological detection device includes system including a first array PPG detector, a second array PPG detector, a display and a processing unit. The first array PPG detector is configured to generate a plurality of first PPG signals. The second array PPG detector is configured to generate a plurality of second PPG signals. The display is configured to show a detected result of the physiological detection system. The processing unit is configured to convert the plurality of first PPG signals and the plurality of second PPG signals to a first 3D energy distribution and a second 3D energy distribution, respectively, and control the display to show an alert message.

Abstract: A physiological detection device includes an array sensor and a processing unit. The array sensor is configured to output array photoplethysmography (PPG) signals. The processing unit is configured to construct a 3D energy distribution, and identify an arc-like pattern in the 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states and an attaching status.

Abstract: An operating method of an interactive service platform including the steps of: communicating with a plurality of user end devices via an application software; receiving physiological measurement information of user from the user end devices via the application software; analyzing the physiological measurement information to identify a physical and mental state/lifestyle of an associated subscriber; and automatically responding content information associated with at least one associated subscriber according to requests from the user end devices.

Abstract: An operating method of an interactive service platform including the steps of: communicating with a plurality of user end devices via an application software; receiving physiological measurement information of user from the user end devices via the application software; analyzing the physiological measurement information to identify a physical and mental state/lifestyle of an associated subscriber; and automatically responding content information associated with at least one associated subscriber according to requests from the user end devices.

Abstract: A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal.

Abstract: A bonded substrate for epitaxial growth and a method for forming the same are disclosed. The method includes steps of providing a first substrate, which has a first dopant concentration; providing a second substrate, which has a second dopant concentration, wherein the second dopant concentration is lower than the first dopant concentration; directly bonding a first surface of the first substrate with a second surface of the second substrate to form a bonded substrate; annealing the bonded substrate to form a high impedance layer in the bonded substrate; and removing part of the second substrate to expose the high impedance layer depending on the requirements whereby, the bonded substrate formed by the method could have a heavily doped substrate which includes a stronger strength and the impedance layer formed thereon, which could effectively increase the substrate strength, reduce the leakage current, and sustains a higher breakdown voltage.

Abstract: An epitaxy substrate and a method of manufacturing the same are provided. The epitaxy substrate includes a silicon substrate and a silicon carbide layer. The silicon substrate has a first surface and a second surface opposite to each other, and the first surface is an epitaxy surface. The silicon carbide layer is located in the silicon substrate, and a distance between the silicon carbide layer and the first surface is between 100 angstroms (?) and 500 angstroms.

Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.

Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.

Abstract: A semiconductor substrate and a manufacturing method thereof are provided. The semiconductor substrate has an epitaxy region located at a central portion of a main plane of the semiconductor substrate, a periphery region surrounding the epitaxy region and an injured region distributed inside the periphery region.

Abstract: An epitaxial substrate and a method for forming the same are disclosed. The epitaxial substrate includes a substrate, a deposition layer, a buffer layer and an epitaxial layer. The deposition layer is directly formed on the substrate, wherein the deposition layer includes a gradient doping concentration, and has a first surface and a second surface which are opposite to each other; the gradient doping concentration has a minimum value at the first surface. The buffer layer is formed on the deposition layer, and an epitaxial layer is formed on the buffer layer. The epitaxial layer is mainly formed of group III-V nitride. The substrate and the deposition layer are formed of homogeneous material. Since the deposition layer is directly formed on the substrate, and the deposition layer and the substrate are formed of a homogeneous material, the epitaxial substrate includes a good heat dissipation efficiency and low leakage current.

Abstract: An epitaxy substrate and a method of manufacturing the same are provided. The epitaxy substrate includes a device substrate and a handle substrate. The device substrate has a first surface and a second surface opposite to each other, and a bevel disposed between the first and the second surfaces. The handle substrate is bonded to the second surface of the device substrate, wherein the oxygen content of the device substrate is less than the oxygen content of the handle substrate, and a bonding angle greater than 90° is between the bevel of the device substrate and the handle substrate.

Abstract: An epitaxial substrate and a method of manufacturing the same are provided. The epitaxial substrate includes a handle substrate, a heat dissipation layer on the handle substrate, a high-resistance silicon substrate on the heat dissipation layer, and a III-V semiconductor layer grown on the high-resistance silicon substrate. The heat dissipation layer has high thermal conductivity. The high-resistance silicon substrate has a resistance more than 100 ohm·cm. Diameters of the high-resistance silicon substrate and the III-V semiconductor film are smaller than a diameter of the handle substrate, such that the epitaxial substrate is a convex substrate.

Abstract: An image depth calculating device, which can calculate depth information of a binocular video with reduced computation, includes multiple modules. Modules receives a first frame information set that corresponds to a first frame time of the binocular video and establishes a first rhombic area that centers on a first pixel in a first viewing angle frame, to calculate a total pixel value of the first rhombic area. Modules further establishes a plurality of second rhombic areas that center on a plurality of second pixels of a pixel area in a second viewing angle frame to calculate a second total pixel value of each of the plurality of second rhombic areas. A depth calculating module compares the first total pixel value with each second total pixel value and calculates first frame depth information according to the result. An image depth calculating method is also provided.

Abstract: A heterostructure, includes: a substrate; and a buffer layer that includes a plurality of layers having a composition AlxInyGa1-x-yN, where x?1 and y?0; wherein the buffer layer has a first region that includes at least two layers, a second region that includes at least two layers, and a third region that includes at least two layers.

Abstract: A microcirculation detection system including a heating device, a photosensitive array and a processing unit is provided. The heating device is used to heat a skin area. The photosensitive array is used to detect outgoing light from the skin area, and output a plurality of brightness variation signals respectively at different time points within a heating period. The processing unit is used to calculate a change of an array energy distribution varied within the heating period according to the plurality of brightness variation signals to accordingly identify a microcirculation state.

Abstract: A gesture control system for a device for determining which one of a plurality of devices is to be controlled by a gesture acquires images of a gesture from each of the electronic devices; establishes a three dimensional coordinate system for the gesture image; calculates an angle between a first vector from a start point of the gesture to a center point of each electronic device and a second vector from an end point of the gesture to the center point of each electronic device. Thereby, the electronic device intended as the object to be controlled by the gesture can be determined, according to whether the angle between the first vector and the second vector is less than a preset value. A gesture control method is also provided.

Abstract: A device for recognizing control gestures and determining which one device out of a plurality is the target of control acquires images of a gesture from each electronic device. A three dimensional coordinate system for each image is established, and coordinate of a central point of each electronic device determined. Extent of gesture to the left and to the right at different depths is determined and a regression plane equation is calculated. A distance between the regression plane and center points of each electronic device is determined and the electronic device with the closest (the shortest distance) center point is determined as the target device of the control gesture. A gesture control method is also provided.

Abstract: An electronic device, which can recognize and be controlled by a gesture of a hand, obtains an image that comprises the hand and image depth levels of objects within the image. Static objects are filtered from the image. A first establishing module obtains hand coordinate information and establishes a first block comprising the hand. Modules further obtain a depth level of each pixel of the first block and counts the number of pixels of each depth level. A second establishing module obtains hand depth information according to the counting result and establishes a second block including the hand. A recognizing module detects a moving track of the hand in the second block and recognizes a gesture of the hand according to a library of gestures. A gesture recognition method is also provided.