Abstract: The embodiments of the present invention provide an information processing method and apparatus, and an electronic device, the method comprising: receiving screen sharing request information; determining, by the screen sharing request information, whether an online content that meets a preset condition exists in a currently displayed content in a screen; providing, in response to determining that the online content exists in the currently displayed content and that the online content is a currently shared content, a sharee with access information for accessing the online content based on an access authority of the sharee.

Abstract: Embodiments of the present disclosure provides an electronic apparatus and a data processing method. The electronic apparatus includes a first sensor (101), configured to collect a distance sensing parameter, and a second sensor (102), configured to collect a touch control sensing parameter. A touch control area of the second sensor (102) covers a specific area of a first surface of the electronic apparatus. The first sensor collects the distance sensing parameter in a space above the touch control sensing area. The distance sensing parameter may be collected in the space above the touch control sensing area by arranged a distance sensor. Thus, the electronic apparatus may realize a touch control input and an input through the distance, which enriches input manners of the electronic apparatus and improves the user experience.

Abstract: A comparison method includes: providing a successive approximation register analog-to-digital converter, where the successive approximation register analog-to-digital converter includes n?1 weighted capacitors, a charge transfer capacitor, and a comparator; sampling an differential input signal by using the first weighted capacitor and the charge transfer capacitor; importing the differential input signal stored on the charge transfer capacitor, where the differential input signal is transferred and redistributed on the charge transfer capacitor and n?2 other weighted capacitors than the first weighted capacitor, and completing the first time of comparison; and importing the differential input signal stored on the first weighted capacitor and the differential input signal stored on the charge transfer capacitor, importing a reference voltage by using the second to jth weighted capacitors, where the differential input signal and the reference voltage are transferred and redistributed on a capacitor array, and

Abstract: Provided are a video sharing method and apparatus, an electronic device, and a storage medium. The method comprises: obtaining input information from a user; determining a target text based on the input information; providing a media file to the user, wherein at least part of visual content of the media file is generated based on the target text; and sending the media file to a target object through a conversation message.

Abstract: An adaptive current generation circuit includes an inverter drive chain, a frequency divider, a frequency detector, a low-pass filter, a static comparator group, and a controllable current mirror. An input analog signal of the input buffer is converted into a frequency discrimination voltage in a direct current form sequentially through conversion of the inverter drive chain, frequency division of the frequency divider, frequency detection of the frequency detector, and conversion of the low-pass filter. Then the static comparator group performs a plurality of times of comparison to obtain N bits of digital codes. Finally, the controllable current mirror is controlled by using the N bits of digital codes. The controllable current mirror provides a magnitude-adjustable input current for the input buffer under control of the N bits of digital codes. A magnitude of the input current is positively correlated with a frequency of the input analog signal.

Abstract: Data acquired from a scan of an object can be decomposed into frequency components. The frequency components can be input into a trained model to obtain processed frequency components. These processed frequency components can be composed and used to generate a final image. The trained model can be trained, independently or dependently, using frequency components covering the same frequencies as the to-be-processed frequency components. In addition, organ specific processing can be enabled by training the trained model using image and/or projection datasets of the specific organ.

Abstract: A video processing method and an apparatus are provided in embodiments of the present disclosure. The method includes: detecting an operation instruction of a first user; in response to the operation instruction, displaying an image collected by a camera of the first terminal on a chat page of the first user with a second user in real time, superposing and displaying remaining information except the image within a preset area on the image; and sending the image collected by the camera of the first terminal to a second terminal in real time as a video frame, so that the second terminal displays the image on a chat page of the second user with the first user in real time, and superposes and displays remaining information except the image within a preset area on the image; where the first terminal is a terminal corresponding to the first user.

Abstract: A comparator based on a pre-amplifier stage structure and an analog-to-digital converter are provided. The comparator includes: a first pre-amplifier stage, where an input terminal of the first pre-amplifier stage is connected to a differential input signal, to amplify and output the differential input signal so as to output a first differential output signal; a second pre-amplifier stage, where an input terminal of the second pre-amplifier stage is connected to the first differential output signal, to amplify and output the first differential output signal so as to output a second differential output signal, and a positive feedback unit is disposed between an output terminal of the second pre-amplifier stage and the input terminal of the second pre-amplifier stage, to increase a voltage gain of the second pre-amplifier stage by using the positive feedback unit; and a latch, an input terminal thereof connected to the second differential output signal.

Abstract: An apparatus, method, and computer-readable medium for improving image quality of a medical volume.

Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. This processing circuitry collects a first ultrasound signal including one or more harmonic components. By executing weighed addition processing where a coefficient distribution is applied to the first ultrasound signal for different directions of two or more dimensions, the processing circuitry generates a second ultrasound signal including components of each order at a ratio different, at a specific frequency, from a ratio among the frequency components included in the first ultrasound signal.

Abstract: A method for motion estimation in CT systems is provided. The method includes dividing projection data, obtained by scanning a heart using the CT system, into a plurality of partial-angle-reconstruction (PAR) bins, reconstructing a plurality of PAR volumes from the PAR-binned projection data, obtaining, based on the plurality of reconstructed PAR volumes, a number of short-scan volumes, determining, based on the obtained number of short-scan volumes, a plurality of nodes throughout the heart, estimating, for each of the determined plurality of nodes, a plurality of model parameters of a motion model, and generating, based on the plurality of model parameters estimated for each of the plurality of nodes, parameters of a global motion model at each voxel of a volume of the heart. The method also includes reconstructing, based on the generated motion parameters of the global motion model at each voxel of the volume of the heart, a motion-compensated short-scan volume.

Abstract: Reference voltage circuits and methods for designing the same are provided. The reference voltage circuit includes: a reference core unit configured to output a reference voltage; a main amplification unit connected to the reference core unit and configured to form feedback to the reference core unit; and a feedforward amplification unit connected to the main amplification unit and configured to form feedforward to the main amplification unit. The reference core unit, the main amplification unit, and the feedforward amplification unit form a third-order negative feedback loop to improve a power supply rejection ratio of the reference voltage.

Abstract: A circuit for channel randomization based on time-interleaved ADC includes: a channel selection module for outputting M clock reception control signals and encoded N data reception control signals based on a main clock and a generated random number; a multi-phase clock distribution module for generating N multi-phase clocks according to a sampling main clock, redistributing the multi-phase clocks according to the clock reception control signals, and outputting M redistributed clock signals; a time-interleaved ADC module for outputting M output data and a corresponding number of channel quantization completion signals according to the redistributed clock signals; an adjustable delay module for setting a delay length for the data reception control signals; and a timing distribution control module for controlling, according to delayed data reception control signals and the channel quantization completion signals, the output data to be output sequentially in chronological order.

Abstract: The present application relates to components, such as dental apparatuses, having geometrical features to facilitate post-fabrication cleaning, including methods of fabricating the same. In one embodiment, a dental apparatus comprises one or more concave surfaces that are configured to engage a dental arch of a patient, and at least one aperture located at and formed through the one or more concave surfaces.

Abstract: The present disclosure relates to an information transmission method, a sharing end, a server and an electronic apparatus. The method includes: obtaining target transmitted information of a target webpage; modifying first description information of the target webpage into target description information according to the target transmitted information, wherein the target description information includes the target transmitted information and the first description information; controlling a target application to read the target transmitted information through a system application program interface API to obtain target information.

Abstract: A method, apparatus, and computer-readable storage medium for controlling exposure/irradiation during a main three-dimensional X-ray imaging scan using at least one spatially-distributed characteristic of a pre-scan/scout scan preceding the main scan. The at least one spatially-distributed characteristic includes (1) a spatially-distributed noise characteristic of the pre-scan and/or (2) a spatially-distributed identification of exposure-sensitive tissue types. The at least one spatially-distributed characteristic can be calculated from images reconstructed from sinogram/projection data and/or from sinogram/projection directly using a neural network.

Abstract: Devices, systems, and methods obtain first radiographic-image data reconstructed based on a set of projection data acquired in a radiographic scan; apply one or more trained machine-learning models to the set of projection data and the first radiographic-image data to obtain a set of parameters for a scatter kernel; input the set of parameters and the set of projection data into the scatter kernel to obtain scatter-distribution data; and perform scatter correction on the set of projection data using the scatter-distribution data, to obtain a set of corrected projection data.

Abstract: The present disclosure relates to a spatially-variant model of a point spread function and its role in enhancing medical image resolution. For instance, a method of the present disclosure comprises receiving a first medical image having a first resolution, applying a neural network to the first medical image, the neural network including a first subset of layers and, subsequently, a second subset of layers, the first subset of layers of the neural network generating, from the first medical image, a second medical image having a second resolution and the second subset of layers of the neural network generating, from the second medical image, a third medical image having a third resolution, and outputting the third medical image, wherein the first resolution is lower than the second resolution and the second resolution is lower than the third resolution.

Abstract: Noise reduction method and device are provided. The method includes: obtaining different audio signals respectively collected by two audio collection devices, where one of the two audio collection devices has a specific positional relationship with an effective audio source; at least according to the different audio signals respectively collected by the two audio collection devices, determining effective signals corresponding to the effective audio source and noise signals corresponding to a noise source and obtaining determination results; and performing a noise reduction process on the audio signals collected by at least one of the two audio collection devices to retain the effective signals and reduce the noise signals, according to the determination results.

Abstract: The present application relates to components, such as dental apparatuses, having geometrical features to facilitate post-fabrication cleaning, including methods of fabricating the same. In one embodiment, a dental apparatus, such as a retainer, an aligner, or a dental attachment placement appliance, comprises one or more concave surfaces for which one or more apertures is formed therethrough at or near a maximum depth of a given concave surface.