Abstract: Method and apparatus for deriving a motion vector at a video decoder. A block-based motion vector may be produced at the video decoder by utilizing motion estimation among available pixels relative to blocks in one or more reference frames. The available pixels could be, for example, spatially neighboring blocks in the sequential scan coding order of a current frame, blocks in a previously decoded frame, or blocks in a downsampled frame in a lower pyramid when layered coding has been used.

Abstract: A capacitance detection circuit, a touch apparatus, and a terminal device are provided. The capacitance detection circuit includes: a charging circuit, configured to charge a detection capacitor, so that a voltage difference value between two polar plates of the detection capacitor is a first preset voltage value; a discharging circuit, configured to cause the charged detection capacitor to release a first quantity of charges where the first charge quantity is smaller than a charge quantity corresponding to the first preset voltage value; and a signal detection circuit, configured to detect a voltage difference value between a voltage value on the detection capacitor after being discharged by the discharging circuit and a second preset voltage value to determine a capacitance change of the detection capacitor based on the voltage difference value. The capacitance detection circuit is capable of performing capacitance detection when the self-capacitance is large.

Abstract: According to one aspect of the present disclosure, there is provided a device that includes: a first quadrature modulator configured to receive an in-phase portion of a baseband signal and a quadrature portion of the baseband signal, and to produce a first portion of an output signal according to the in-phase and quadrature portions of the baseband signal; a second quadrature modulator configured to receive a first modified signal and a second modified signal, and to produce a second portion of the output signal according to the first and second modified signals; an output circuit configured to sum the first and second portions of the output signal, and to transmit the output signal to an antenna; and a mode selection circuit configured to turn on the first quadrature modulator, to receive a control signal, and to determine whether to turn on the second quadrature modulator according to the control signal.

Abstract: The present application provides a method and apparatus for signal transmission, and a method and apparatus for signal reception, where the method for signal transmission is applied to an active stylus, including: phase encoding information to be transmitted using a preset phase signal, to obtain an encoded signal; and transmitting a stylus tip signal, where the stylus tip signal comprises the encoded signal. The present application can increase amount of information transmitted between the active stylus and a touch control screen in a limited duration.

Abstract: Provided herein are ink compositions with improved conductivity. The improved conductivity is attributable to the addition of organohalogen compounds to the composition.

Abstract: A communication server and accompanying communication devices allow near instantaneous communication between users of the communication devices. A communication device may be configured with multiple channels, where each channel is assigned a corresponding communication device. As the communication devices are registered with the communication server, each communication device has knowledge of other registered communication devices. Thus, communication devices may communicate nearly instantaneously with each other. Furthermore, as the communication device is equipped with multiple channels, a single communication device may host a conference call with other communication devices. In addition, communication device may include multiple buttons to control the communication device, and indicator lights to indicate the status of calls with other communication devices.

Abstract: The present disclosure generally discloses a three-dimensional (3D) image reconstruction capability. The 3D image reconstruction capability may be configured to support reconstruction of a 3D image of a scene. The 3D image reconstruction capability may be configured to support reconstruction of a 3D image of a scene based on lensless compressive image acquisition performed using a lensless compressive camera having a single aperture and a set of multiple sensors. The reconstructed 3D image of a scene may include (1) image data indicative of a set of multiple two-dimensional (2D) images reconstructed based on the set of multiple sensors of the lensless compressive camera (which may be represented as images) and (2) depth information indicative of depths at points or areas of an overlapping portion of the multiple images reconstructed based on the set of multiple sensors of the lensless compressive camera (which may be represented as a depth map).

Abstract: An apparatus for detecting capacitance, an electronic device and an apparatus for detecting a force are disclosed. The apparatus for detecting capacitance includes: a signal driving circuit (110), configured to periodically charge and discharge at least one capacitor to be detected; a conversion circuit (120), configured to convert a capacitance signal of the at least one capacitor to be detected into a voltage signal; and a cancellation circuit (130), configured to cancel initial capacitance of the at least one capacitor to be detected, so that the voltage signal is associated with a capacitance change of the at least one capacitor to be detected. The apparatus for detecting capacitance could improve the anti-interference performance and improve the accuracy of capacitance detection.

Abstract: A touch control chip, a touch detection method, a touch detection system and an electronic device, and the touch chip includes: a synchronization module, a touch drive module, and a touch detection module. The synchronization module is electrically connected to a display drive chip, to enable touch driving performed by the touch drive module to have an association relationship with a display control signal of the display drive chip; the synchronization module is electrically connected to the touch drive module, to enable the touch drive module to drive a touch sensor under control of the display control signal; and the touch detection module is electrically connected to the touch sensor, to detect an output signal of the touch sensor to determine a touch position. The touch detection system cancels or reduces interference from a display system, thereby improving the signal-to-noise ratio of the touch detection system.

Abstract: A method of preparing a crystalline contrast agent for magnetic resonance imaging from a zwitterionic carboxylic pyridyl ligand includes mixing metal ion and the pyridyl ligand and obtaining crystals therefrom. The crystalline contrast agent includes a manganese-organic or gadolinium-organic 3D framework. The crystalline contrast agent is employed in a kit and a pharmaceutically acceptable composition. The method allows for preparing crystalline contrast agents with superior properties with easily available starting materials and with an economic and efficient process. The method allows for preparing crystalline contrast agents with exceptional water-stability and water-solubility, which exhibit high longitudinal relaxivities and with excellent stabilities under physiological conditions and low cytotoxicity. Further provided is a method for in vivo imaging of a subject, in particular a human, comprising administering the crystalline contrast agent to the subject.

Abstract: The present disclosure relates to touch technology, and provides a touch detection method, a touch chip, and an electronic device. The touch detection method includes applying a driving signal to a driving channel of a touch screen, where the driving signal is encoded based on a preset encoding mode and includes a plurality of signal waveforms divided into waveforms in at least one correlated double sampling cycle. The same correlated double sampling cycle includes two sampling cycles and there is a phase difference of 180° between a waveform in one sampling cycle and that in the other sampling cycle. The touch detection method further includes receiving a sensing signal that corresponds to the driving signal and that is from a sensing channel of the touch screen; and determining a touch position information according to the sensing signal and according to an encoding information corresponding to the encoding mode.

Abstract: A method of operating a vehicle includes, responsive to a command to launch the vehicle and while the vehicle is in a first gear, determining, at a controller, a feedforward component including a target engine torque and a target bypass clutch torque, and a feedback component that is based on an error between the target converter slip and a measured converter slip and between the target wheel torque and a measured wheel torque. The method further includes changing a commanded engine torque and a commanded bypass clutch torque based on the feedforward component and the feedback component.

Abstract: A nozzle mount arrangement includes a substrate and a plurality of nozzle assemblies evenly distributed in a length direction of the substrate. The nozzle assembly includes a spray tongue connected to the substrate, a plurality of nozzles evenly distributed in a length direction of the spray tongue, and a locking mechanism provided on the spray tongue for pressing the spray tongue and the nozzle. An inkjet printer includes said nozzle mount arrangement. The nozzle mount arrangement and the inkjet printer have multiple nozzles on the spray tongue, thus the number of spray tongues is reduced, thereby reducing the assembly and maintenance costs of the spray tongues.

Abstract: A method of operating a vehicle includes, responsive to a command to launch the vehicle and while the vehicle is in a first gear, determining, at a controller, a feedforward component including a target engine torque and a target bypass clutch torque, and a feedback component that is based on an error between the target converter slip and a measured converter slip and between the target wheel torque and a measured wheel torque. The method further includes changing a commanded engine torque and a commanded bypass clutch torque based on the feedforward component and the feedback component.

Abstract: A method for processing a signal from an active pen, and an active pen and a touch screen thereof are provided. The method includes: under-sampling a received excitation signal from the active pen with a predetermined sampling frequency to obtain a digital signal of the excitation signal from the active pen, and demodulating the digital signal of the excitation signal from the active pen to obtain a demodulated signal; and calculating touch coordinates according to an amplitude and a phase of the demodulated signal, and outputting the touch coordinates. Embodiments of the present application are intended to improve the signal processing precision of the active pen and improve the signal-to-noise ratio.

Abstract: A camera includes a fixed pattern aperture with a pattern that has a transmittance that is different in different portions of the fixed pattern aperture. The camera also includes an array of sensors that generate signals based on an intensity of light received by the sensors through the fixed pattern aperture. In some cases, the camera includes a processor to generate measurement vectors based on values of signals received from the sensors in the sensor array when exposed to a scene. The processor is also configured to determine values of voxels that represent a 3D image of the scene based on the measurement vectors. A transformed sensing matrix associated with the fixed pattern aperture and the sensor array is generated based on measurement vectors captured by the camera when exposed to basis images at different separations from the camera. Volumetric images of objects are determined from the transformed sensing matrix.

Abstract: Systems and methods for operating a driveline of a hybrid vehicle are described. In one example, vehicle launch is controlled according to a linear quadratic regulator that provides feedback control according to torque converter slip error and vehicle speed error. The vehicle launch is also controlled according to feed forward control that is based on requested torque converter slip and requested vehicle speed.

Abstract: The present invention provides anti-tau constructs. Anti-tau constructs of the invention are polynucleotide sequences encoding a polypeptide comprising at least one tau binding moiety and optionally comprising a signal peptide and/or a purification moiety. The present invention also provides isolated polypeptides encoded by anti-tau constructs, vectors comprising anti-tau constructs, and isolated cells comprising said vectors.

Abstract: The present disclosure provides a capacitance detection circuit, which includes a front end circuit and a processing circuit; where the front end circuit comprises a first driving circuit, a first cancel circuit and a PGA circuit, the first driving circuit, the first cancel circuit and the PGA circuit are connected to a first end of a detection capacitor, a second end of the detection capacitor is grounded, and the processing circuit is connected to an output end of the front end circuit, and configured to determine a capacitance variation of a capacitance of the detection capacitor with respect to the base capacitance according to a voltage signal output by the front end circuit.

Abstract: An apparatus and method are provided for setting a local oscillator duty ratio based on an image distortion level. A first signal is transmitted utilizing a first X-phase path of a transmitter. Further, an image distortion level is measured in connection with the first signal. Based on the measurement, a duty ratio of a local oscillator is set, for reducing a distortion in connection with a transmission of a second signal utilizing a second Y-phase path of the transmitter.