Abstract: A light modulator and method of forming the same is provided. The light modulator includes a membrane and a tuning electrode in spaced relation to the membrane. A light blocking fluid is received between the substrate and the tuning electrode and a light blocker is positioned between the tuning electrode and a central portion of the membrane. A pinning electrode is disposed between the light blocker and the membrane and is aligned with the central portion of the membrane. An electrostatic generator is configured to selectively apply an electrostatic force on the membrane causing the central portion of the membrane to deform towards pinning electrode causing the light blocking fluid to be displaced from between the membrane and the pinning electrode.

Abstract: An infrared (IR) detection sensor for detecting IR radiation. The IR detection sensor including a plurality of nanowires positioned adjacent to each other so as to define a layer. The layer has an outer surface directable towards a source of IR radiation. First and second terminals are electrically coupled to the layer and a circuit is electrically coupled to the first and second terminals. The circuit is configured to determine a value of an electrical property, such as the resistance, of the layer in response to the IR radiation absorbed by the layer.

Abstract: A tunable photonic device and method of fabricating the same are provided. The tunable photonic device including a substrate and an actuator having a first end supported by the substrate and a second end in spaced relation to the substrate. A photonic structure is operatively connected to the actuator and a stimulus generator configured to selectively generate a stimulus to act on the actuator. The stimulus acting on the actuator causes deformation of the actuator and moves the photonic structure between first and second positions.

Abstract: A neural network model processing method includes obtaining a first low-bit neural network model through training, where the model includes a first operation layer and a second operation layer. Each operation layer includes at least one operation. Values/a value of a parameter and/or data used for the operation are/is represented by using N bits, and N is a positive integer less than 8. The neural network model processing method further includes compressing the model to obtain a second low-bit neural network model, where the compressed model includes a third operation layer. The third operation layer is equivalent to the first operation layer and the second operation layer, and an operation layer other than the third operation layer in the at least one operation layer is the same as an operation layer other than the first operation layer and the second operation layer in the at least two operation layers.

Abstract: A optical phase shifter is provided for adjusting an optical phase of light propagating therethrough along an optical axis. The optical phase shifter includes first and second transparent slides defining a cavity therebetween. A sheet is received in the cavity and has first and second sides. The sheet includes a rigid inner portion alignable with the optical axis and is moveable along the optical axis between a first position and a second position. A tuning structure is operatively engageable with the rigid inner portion of the sheet to selectively move the rigid inner portion of the sheet along the optical axis so as to adjust the optical phase of light propagating through the optical phase shifter.

Abstract: A light modulator and method of forming the same is provided. The light modulator includes a membrane and a tuning electrode in spaced relation to the membrane. A light blocking fluid is received between the substrate and the tuning electrode and a light blocker is positioned between the tuning electrode and a central portion of the membrane. A pinning electrode is disposed between the light blocker and the membrane and is aligned with the central portion of the membrane. An electrostatic generator is configured to selectively apply an electrostatic force on the membrane causing the central portion of the membrane to deform towards pinning electrode causing the light blocking fluid to be displaced from between the membrane and the pinning electrode.

Abstract: A tunable photonic device and method of fabricating the same are provided. The tunable photonic device including a substrate and an actuator having a first end supported by the substrate and a second end in spaced relation to the substrate. A photonic structure is operatively connected to the actuator and a stimulus generator configured to selectively generate a stimulus to act on the actuator. The stimulus acting on the actuator causes deformation of the actuator and moves the photonic structure between first and second positions.

Abstract: A target monitoring method, a camera, a controller, and a target monitoring system, where the system includes a first camera and a second camera. An overlapping area exists between fields of view of the first camera and the second camera. The method includes obtaining, location information of a to-be-tracked target in a first monitoring picture when the first camera is used as a current primary monitoring camera, determining, based on the location information of the target in the first monitoring picture, whether a location of the target in the first monitoring picture is in the overlapping area, where the overlapping area is an overlapping range between the fields of view of the first camera and the second camera, and switching, the current primary monitoring camera to the second camera when the location of the target in the first monitoring picture is in the overlapping area.

Abstract: A terminal display scanning method for optical fingerprint recognition is provided, the method includes: if a start operation on a terminal screen is detected, obtaining a first vector set, where the first vector set includes A data vectors that are mutually orthogonal or mutually quasi-orthogonal, each of the data vectors includes a plurality of data elements, and A is an integer greater than 1; sequentially using the data elements in each of the data vectors to control light emitting of minimum pixel units in a fingerprint recognition area until controlling light emitting of all the minimum pixel units in the fingerprint recognition area is completed, to obtain a second vector set corresponding to the fingerprint recognition area, where the second vector set carries fingerprint information; and demodulating the second vector set by using the first vector set to obtain all fingerprint information in the fingerprint recognition area.

Abstract: A hybrid electrostatic actuator for use in conjunction with microfluidic devices, microlenses, optical irises and flat panel displays is provided. The hybrid electrostatic actuator includes a substrate having an upper surface and an electrical conductor supported in spaced relation to the substrate. A fluid is received between the substrate and the electrical conductor. An electrostatic generator is configured to selectively apply a variable electrostatic force on the electrical conductor. The application of the variable electrostatic force on the electrical conductor displaces the fluid from between the substrate and the electrical conductor.

Abstract: When a location of a wearable system changes, the wearable system can ensure that a gesture working region always remains in a field of view of the wearable system. Therefore, the wearable system can still collect and recognize a gesture image and implement gesture control. The solution provided in this application is as follows: The wearable system creates a gesture working region and a region of interest, where the region of interest is within a shooting area of a first camera, and the first camera is included in a wearable device; obtains a location parameter of the wearable system; adjusts the region of interest according to the location parameter, so that the region of interest covers the gesture working region; collects a gesture image within the gesture working region; recognizes the gesture image to obtain a gesture instruction; and performs a corresponding operation according to the gesture instruction.

Abstract: A method and an apparatus for converting a speech-to-text in a multiparty call. Receiving speech-to-text requests sent by at least two terminals, where the speech-to-text requests include a first identifier and a second identifier; allocating a session to the at least two terminals, so that in the speech-to-text requests sent by the at least two terminals, terminals that have a same first identifier or a same second identifier have a same session; receiving, by using a packet-switched domain, a voice stream whose sampling rate is greater than 8 KHz and that is sent by at least one terminal in one multiparty call, where the multiparty call corresponds to one session; converting the voice stream into a text; and sending the text to a terminal in the multiparty call.

Abstract: Embodiments of the present invention relate to a method and an apparatus for optimizing a model applicable to pattern recognition, and a terminal device. The terminal device receives a universal model delivered by a server, where the universal model includes an original feature parameter; recognizes target information by using the universal model, and collects a plurality of local samples; when a model optimization condition is met, corrects the original feature parameter by using a first training algorithm to obtain a new feature parameter; and optimizes the universal model according to a second training algorithm and the new feature parameter, to obtain an optimized universal model. That is, in the present invention, the terminal device further optimizes, according to the collected local samples, the universal model received from the server to obtain a relatively personalized model applicable to pattern recognition.

Abstract: A device is provided for securing a plurality of infrared radiation detectors from unwanted infrared radiation. The device includes a structure supporting the plurality of infrared radiation detectors. A plurality of nanowires are positioned adjacent to each other so as to define a layer. The layer has an inner surface positioned adjacent an outer surface of the structure and an outer surface directable towards a source of unwanted infrared radiation. The plurality of IR radiation detectors are aligned with a desired field of view so as to receive IR radiation radiating from any objects in the field of view such that a first portion of the IR radiation engages and is absorbed by IR radiation detectors, while a second portion of the IR radiation engages and is absorbed by IR radiation detector is absorbed by layer.

Abstract: A terminal display scanning method for optical fingerprint recognition is provided, the method includes: if a start operation on a terminal screen is detected, obtaining a first vector set, where the first vector set includes A data vectors that are mutually orthogonal or mutually quasi-orthogonal, each of the data vectors includes a plurality of data elements, and A is an integer greater than 1; sequentially using the data elements in each of the data vectors to control light emitting of minimum pixel units in a fingerprint recognition area until controlling light emitting of all the minimum pixel units in the fingerprint recognition area is completed, to obtain a second vector set corresponding to the fingerprint recognition area, where the second vector set carries fingerprint information; and demodulating the second vector set by using the first vector set to obtain all fingerprint information in the fingerprint recognition area.

Abstract: A psychological pressure evaluation method includes obtaining a physiological parameter measurement value of a user, determining a psychological pressure evaluation model of the user based on a physiological parameter reference value of the user and a common psychological pressure evaluation model, where the common psychological pressure evaluation model reflects a change relationship between a psychological pressure value change amount and a physiological parameter value change amount, and determining a psychological pressure evaluation result of the user based on the physiological parameter measurement value of the user and the psychological pressure evaluation model of the user.

Abstract: This application relates to the field of intelligent hardware, and in particular, to an intelligent scenario in which a mobile terminal and a car are combined. After detecting, by using an acceleration sensor and a gyroscope of the mobile terminal, that a car engine stops, the mobile terminal receives, from a sensor installed near a roof lamp of the car, a signal indicating that the roof lamp is on, and determines that a door of the car is opened. In this case, the mobile terminal sends a reminder to a user.

Abstract: A method is provided that includes: displaying, by the terminal, a randomly generated dynamic password on a display interface, and starting a voice receiving device of the terminal; obtaining by using the voice receiving device, voice information when a user reads the dynamic password, converting the voice information into a text password, and extracting a voiceprint feature of the voice information; and when the text password is the same as the dynamic password, determining terminal usage permission of the user according to a prestored correspondence between terminal usage permission and a voiceprint feature, and setting the display interface to an unlocked or locked state according to the determined terminal usage permission; or setting the display interface to a locked state when the text password is different from the dynamic password.

Abstract: A optical phase shifter is provided for adjusting an optical phase of light propagating therethrough along an optical axis. The optical phase shifter includes first and second transparent slides defining a cavity therebetween. A sheet is received in the cavity and has first and second sides. The sheet includes a rigid inner portion alignable with the optical axis and is moveable along the optical axis between a first position and a second position. A tuning structure is operatively engageable with the rigid inner portion of the sheet to selectively move the rigid inner portion of the sheet along the optical axis so as to adjust the optical phase of light propagating through the optical phase shifter.

Abstract: This application relates to the field of intelligent hardware, and in particular, to an intelligent scenario in which a mobile terminal and a car are combined. After detecting, by using an acceleration sensor and a gyroscope of the mobile terminal, that a car engine stops, the mobile terminal receives, from a sensor installed near a roof lamp of the car, a signal indicating that the roof lamp is on, and determines that a door of the car is opened. In this case, the mobile terminal sends a reminder to a user.