Abstract: A method for lens-free imaging of a sample or objects within the sample uses multi-height iterative phase retrieval and rotational field transformations to perform wide FOV imaging of pathology samples with clinically comparable image quality to a benchtop lens-based microscope. The solution of the transport-of-intensity (TIE) equation is used as an initial guess in the phase recovery process to speed the image recovery process. The holographically reconstructed image can be digitally focused at any depth within the object FOV (after image capture) without the need for any focus adjustment, and is also digitally corrected for artifacts arising from uncontrolled tilting and height variations between the sample and sensor planes. In an alternative embodiment, a synthetic aperture approach is used with multi-angle iterative phase retrieval to perform wide FOV imaging of pathology samples and increase the effective numerical aperture of the image.

Abstract: A method of generating a color image of a sample includes obtaining a plurality of low resolution holographic images of the sample using a color image sensor, the sample illuminated simultaneously by light from three or more distinct colors, wherein the illuminated sample casts sample holograms on the image sensor and wherein the plurality of low resolution holographic images are obtained by relative x, y, and z directional shifts between sample holograms and the image sensor. Pixel super-resolved holograms of the sample are generated at each of the three or more distinct colors. De-multiplexed holograms are generated from the pixel super-resolved holograms. Phase information is retrieved from the de-multiplexed holograms using a phase retrieval algorithm to obtain complex holograms. The complex hologram for the three or more distinct colors is digitally combined and back-propagated to a sample plane to generate the color image.

Abstract: An inductor device includes a first coil and a second coil. The first coil is wound into a plurality of first circles, and the second coil is wound into a plurality of second circles. At least two of the second circles are interlaced with at least two of the first circles on a first side. The at least two of the second circles are disposed adjacent to each other on the first side. At least one of the first circles is only interlaced with at least one of the second circles on a second side. At least another one of the first circles is only interlaced with at least another one of the second circles on the second side.

Abstract: Disclosed is a simulation method for detecting dim environment based on virtual reality, wherein by converting infrared detection images of each direction collected at each sampling point into a virtual detection space for automatically roaming in the virtual detection space to simulate a detection scene, the decision-makers can directly understand the actual situation of the target environment through the simulated virtual detection space without entering the scene, thereby making scientific decisions and reducing the probability of decision errors. And, in the disclosure, images can be acquired through infrared detectors, even for dim environments such as smoke and dust. Further, in the disclosure, it is only necessary to set an infrared detector at the sampling points of the detection path by a robot to collect the images, without the need for a detection personnel to enter or stay for a long time.

Abstract: Disclosed is a virtual detection system, wherein, with each processing module, by converting infrared detection images of each direction collected at each sampling point into a virtual detection space for automatically roaming in the virtual detection space to simulate a detection scene, the decision-makers can directly understand the actual situation of the target environment through the simulated virtual detection space without entering the scene, thereby making scientific decisions and reducing the probability of decision errors. And, in the disclosure, images can be acquired through infrared detectors, even for dim environments such as smoke and dust. Further, in the disclosure, it is only necessary to set an infrared detector at the sampling points of the detection path by a robot to collect the images, without the need for a detection personnel to enter or stay for a long time.

Abstract: A method for managing storage resources includes calculating ratios of the quantity of data accessed to the current data occupation of storage unit of each server in a network. The method determines one or more servers each with ratio greater than a first preset value, and determines one or more servers each with ratio less than a second preset value. Next, the method outputs signals to control the servers with ratios each greater than the first preset value to transfer data to the one or more servers with ratios each less than the second preset value, until the ratios of all servers is less than or equal to the first preset value and greater than or equal to the second preset value. A related device for applying the method and a related non-transitory storage medium are also provided.

Abstract: A control device includes: an output unit configured to select a motor and output a drive command to a motor drive unit that should be connected to the selected motor so that the selected motor executes a predetermined feed operation; an acquisition unit configured to acquire feedback information from each of the multiple motor drive units; and a wire connection determination unit configured to determine, based on the feedback information, whether the selected motor is connected to the motor drive unit that should be connected to the selected motor, by a power line and a feedback line.

Abstract: Disclosed are a recombinant microorganism capable of producing methyl anthranilate, wherein the recombinant microorganism is obtained by introducing an aamt1 gene into a microorganism having the capacity to produce anthranilic acid (ANT), and a method of producing methyl anthranilate using the same. The recombinant microorganism is capable of producing methyl anthranilate using only a purely biological process from renewable carbon-circulating biomass without chemical catalytic reaction, thus having an advantage of enabling mass production of high value-added methyl anthranilate in a very economical manner based on an environmentally friendly and simple production process.

Abstract: A method includes obtaining a first preview picture collected by a camera, where an angle of view FOV of the camera is a first FOV value, the camera collects the first preview picture based on a second FOV value, and the second FOV value is less than the first FOV value. The method further includes adjusting the second FOV value to a third FOV value when it is detected that a quantity of at least one target human face in the first preview picture is greater than a first preset value, where the third FOV value is greater than the second FOV value, and the third FOV value is less than or equal to the first FOV value. The method further includes outputting an image that is photographed by the camera based on the third FOV value.

Abstract: The presently-disclosed subject matter relates to an artificial RNA nanostructure and method of use thereof. In particular, the presently-disclosed subject matter relates to RNA nanoparticles and RNA dendrimers, and methods of disease diagnosis and treatments using the RNA nanostructure and RNA dendrimers.

Abstract: A photographing method for a terminal that comprises a monochrome camera and a color camera, the method including simultaneously photographing a same to-be-photographed scene using the monochrome camera and the color camera and separately obtaining K frames of images, where the monochrome camera uses a full-size operation mode, where the color camera uses a binning operation mode, and where K?1, obtaining a first image corresponding to the monochrome camera and a second image corresponding to the color camera, obtaining high-frequency information according to the first image, obtaining low-frequency information according to the second image, and fusing the first image and the second image according to the high-frequency information and the low-frequency information, and generating a composite image of the to-be-photographed scene.

Abstract: A method for managing storage resources includes calculating ratios of the quantity of data accessed to the current data occupation of storage unit of each server in a network. The method determines one or more servers each with ratio greater than a first preset value, and determines one or more servers each with ratio less than a second preset value. Next, the method outputs signals to control the servers with ratios each greater than the first preset value to transfer data to the one or more servers with ratios each less than the second preset value, until the ratios of all servers is less than or equal to the first preset value and greater than or equal to the second preset value. A related device for applying the method and a related non-transitory storage medium are also provided.

Abstract: This application provides an imaging method. The imaging method is applied to an imaging apparatus including a color camera and a black-and-white camera, and resolution of the black-and-white camera is higher than resolution of the color camera; and the imaging method includes: obtaining a zoom magnification; simultaneously capturing a color image and a black-and-white image of a target scene, where resolution of the black-and-white image is higher than resolution of the color image; performing cropping processing on the black-and-white image and the color image separately based on the zoom magnification, where the cropped black-and-white image and the cropped color image have a same field of view; and merging the cropped color image and the cropped black-and-white image to obtain an output image of the target scene. Therefore, according to the optical imaging method provided by embodiments of this application, the obtained output image can have a better optical zoom capability.

Abstract: Systems and methods for trajectory determination are provided. The systems perform the operations including obtaining status information of a vehicle; determining one or more original trajectories from a current location of the vehicle to a destination based on the status information of the vehicle; determining one or more candidate trajectories from the original trajectories; and determining a target trajectory from the candidate trajectories based on a trajectory evaluation model.

Abstract: A tank circuit structure includes a first gate layer, a first substrate, a first shielding layer, a first conductive line and a first inter metal dielectric (IMD) layer. The first substrate is over the first gate layer. The first shielding layer is over the first substrate. The first conductive line is over the first shielding layer. The first IMD layer is between the first substrate and the first conductive line.

Abstract: A method of generating a color image of a sample includes obtaining a plurality of low resolution holographic images of the sample using a color image sensor, the sample illuminated simultaneously by light from three or more distinct colors, wherein the illuminated sample casts sample holograms on the image sensor and wherein the plurality of low resolution holographic images are obtained by relative x, y, and z directional shifts between sample holograms and the image sensor. Pixel super-resolved holograms of the sample are generated at each of the three or more distinct colors. De-multiplexed holograms are generated from the pixel super-resolved holograms. Phase information is retrieved from the de-multiplexed holograms using a phase retrieval algorithm to obtain complex holograms. The complex hologram for the three or more distinct colors is digitally combined and back-propagated to a sample plane to generate the color image.

Abstract: An online system build a high definition map for geographical regions based on sensor data captured by a plurality of vehicles driving through the geographical regions. The high definition map comprises landmark map including representations of driving paths and landmarks and occupancy map comprising spatial 3D representation of the road and all physical objects around the road. The vehicles provide information to update the landmark map and the occupancy map to the online system. The vehicles detect map discrepancies based on differences in the surroundings observed using sensor data compared to the high definition map and send messages describing these map discrepancies to the online system. The online system ranks the vehicles based on factors including an upload rate of the vehicle and requests data describing high definition map from vehicles selected based on the ranking.

Abstract: A frequency characteristic measurement device that measures the frequency characteristic of a measurement target includes: a multi-sine signal generation unit that generates a multi-sine signal; a sweep sinusoidal wave generation unit that generates a plurality of sweep sinusoidal waves; an input signal switching unit that selects any one of the multi-sine signal and the sweep sinusoidal waves so as to input the selected one to the measurement target; a data acquisition unit that acquires, at a predetermined sampling frequency, sampling data of an input signal which is input to the measurement target and sampling data of an output signal which is output from the measurement target; and a characteristic calculation unit that calculates a frequency characteristic including the gain and the phase of the input and output signals in the measurement target from the sampling data of the input and output acquired.

Abstract: An ultrasonic surgical blade, wherein the blade has a curved shape, and both sides of the blade are provided with cutting surfaces, one surface is a concave surface and the other surface is a convex surface. The thickness of the blade is gradually thinned along a cutting direction from a proximal end to a distal end. The concave surface length is set as L1, the radius of curvature R1; the length of the convex surface L2, the radius of curvature R2; the angle of the bending of the center line of the blade is ?; the diameter of the proximal end of the blade is D; the thickness of the most distal end surface of the blade is T. The relationship among them is: L1=L2+L2/1.5*(D?T)*SIN(?) (1), R1=R2+2T (2). The range of each size is adjustable within 10%. An ultrasonic wave guide and an ultrasonic scalpel using this blade have fewer potential resonant frequencies, so the thermal damage to the tissue is small, and the performance is more stable.

Abstract: A frequency control method and system for an ultrasonic surgical tool. The frequency control method for an ultrasonic tool comprised: obtaining a maximum value of a phase difference between an operating voltage and an operating current of the ultrasonic surgical tool; determining whether the maximum value is less than zero, so as to obtain a first determination result; if the first determination result indicates that the maximum value is not less than zero, adjusting an operating frequency of the ultrasonic surgical tool to a frequency corresponding to the phase difference to zero; if the first determination result indicates that the maximum value is less than zero, subtracting a preset value from the maximum value to obtain a phase lock point; and adjusting, according to the phase lock point, the operating frequency of the ultrasonic tool.