40 results about "Imaging array" patented technology

The invention discloses an integrated fire detection intelligent lamp for a railway tunnel. The integrated fire detection intelligent lamp comprises a multi-mode sensing module, an integrated thermal imaging array sensor, a multispectral flame sensor, a laser scattering type smoke sensor and an electrochemical CO sensor. An FPGA chip and a lightweight convolutional neural network model are arranged in the signal processing module, space-time fusion analysis is carried out on multi-modal sensing data in real time, and a fire judgment threshold is dynamically optimized through transfer learning; the dynamic ad hoc network communication module supports dual protocols of LoRaWAN and TSN; the adaptive power supply adopts an AC / DC power conversion module, integrates a piezoelectric vibration energy collection module and a thermoelectric power generation module, and combines a super capacitor and a lithium battery to realize quintuple redundant power supply; and the three-dimensional lighting array consists of a plurality of groups of independently controlled LED matrixes and is used for dynamically adjusting a lighting area and brightness distribution. The fire hazard detection sensitivity is improved through multi-dimensional data fusion, the illumination function is achieved, and the use requirement of the railway tunnel in the severe environment is met.

The application relates to the field of semiconductor optoelectronics, in particular to a self-powered up-conversion imaging array and a preparation method thereof. The technical key points are as follows: array pixel units are arranged on an insulating substrate and are mutually isolated; each unit contains a central up-conversion detection subunit and a peripheral photovoltaic power supply subunit; the photovoltaic unit is formed by connecting micro photovoltaic cells in series, and the anode and the cathode are connected with the cathode and the anode of the central up-conversion detection subunit respectively, so as to form an independent closed loop series driving circuit in the pixel; the central up-conversion detection subunit is used for receiving incident near-infrared light signals and converting the signals into visible light signals; the peripheral photovoltaic power supply subunit is used for absorbing incident light and converting the light energy into electric energy to provide a driving voltage and a driving current; the peripheral photovoltaic power supply subunit and the central up-conversion detection subunit meet the current matching condition; the effects of self-power supply at the pixel level, complete elimination of electrical crosstalk between pixels, improvement of imaging contrast and resolution, improvement of photon utilization rate and device fault tolerance are achieved.

The invention relates to the field of research, development and application of novel semiconductor sensing equipment, in particular to a carbon-based sensing system based on a high-integration narrow-band imaging array and a construction method of the carbon-based sensing system. According to the invention, the carbon-based photoelectric sensing array is prepared by a liquid phase method and a transfer method with high uniformity and expandability, and a carbon-based sensing system is constructed on the basis of the carbon-based photoelectric sensing array; the carbon-based sensing system comprises a multi-pixel carbon-based sensing array based on conjugated polymer / semiconducting carbon nanotubes / metallic carbon nanotubes, an electrical readout system and an optical focusing assembly. The 4096-pixel integrated photoelectric sensing array and the carbon-based sensing system constructed by the 4096-pixel integrated photoelectric sensing array are prepared by a whole set of optimized liquid phase deposition, spin coating and transfer processes for the first time, and the system has quick response and high photoelectric response capability and can realize high-integration-level and high-performance optical signal detection and high-quality imaging functions.

The application discloses a kind of multi-camera imaging system based on microsecond level dynamic synchronization control, comprising: multi-camera imaging array includes several orderly arranged imaging camera, for imaging;Synchronization control module includes synchronization controller, for each imaging camera provides independent microsecond level time delay configuration;Timing management module includes time-sharing scheduler, for the exposure time slot of each imaging camera;Data acquisition and temporary storage module includes acquisition circuit and memory, for image acquisition and cache;Processing module includes image registration and alignment module and image fusion and interpolation module, wherein, the image registration and alignment module is used for image cooperation and alignment, the image fusion and interpolation module is used for image sequence interpolation image fusion.This application has the characteristics of high time synchronization accuracy, multi-channel acquisition, multi-resolution interpolation fusion space-time reconstruction, with ultra-high resolution and million frame per second level frame rate image acquisition and timing restoration.

A pixel unit and imaging array device for infrared detection and light-emitting display, relating to the technical field of photoelectric semiconductor devices. Each pixel unit comprises: an infrared photodetector (3), used for detecting an incident infrared signal and generating a photocurrent; a current amplifier circuit (1), having a reset end used for inputting a reset pulse signal, an input end (Iin) used for coupling an inputted photocurrent, and an output end (Iout) used for outputting a gain-amplified photocurrent, wherein the current amplifier circuit (1) controls a gain amplification coefficient of the photocurrent on the basis of the inputted reset pulse signal; and a light-emitting display (4), coupled to the output end (Iout) of the current amplifier circuit (1), wherein the light-emitting display is directly driven by the gain-amplified photocurrent to perform light-emitting display. The current amplifier circuit (1) in each pixel unit is directly used to perform gain amplification on the photocurrent generated by the infrared photodetector (3), and then the gain-amplified photocurrent is applied to the light-emitting display (4) to drive the light-emitting display (4) to perform light-emitting display, thereby optimizing the response speed of a device.

A virtual stereovision imaging array system and a moving target three-dimensional reconstruction method, the system comprises multiple cameras and multiple galvanometer mirrors, the galvanometer mirrors and the cameras are matched one by one, and a real-time controllable virtual camera array is formed; through synchronous control of the galvanometer mirrors, each virtual camera simultaneously tracks and locks the moving target; based on the real-time pose relationship between the virtual cameras and combined with the synchronously acquired image information, real-time three-dimensional reconstruction of the moving target is completed. The reconstruction method comprises joint calibration of the matched galvanometer mirrors and the cameras, determination of camera internal parameters and virtual camera external parameters; through real-time synchronous adjustment of the galvanometer mirrors, each virtual camera cooperatively tracks the moving target, acquires the moving target image, and updates the virtual camera external parameters in real time; in each frame of image, stereo matching is performed, and combined with the real-time updated virtual camera external parameters, the three-dimensional point cloud of the moving target is solved and obtained. The present application can complete high-efficiency and high-precision three-dimensional reconstruction of a high-speed moving target in a large field of view.

In one embodiment, an imaging system is provided including a reference marker, a medical device, an imaging array, a computer system, and a display system. The reference marker is fixed in a position within the operational area. The medical device is moveable within the operational area and includes a comparison marker. The imaging array observes the position of the reference marker and a position of the comparison marker. The imaging array comprises at least two cameras. The computer system constructs a three-dimensional model of the operational area and defines the position of the reference marker within the operational area using at least two two-dimensional images of the operational area. The display system is in communication with the imaging array and the computer system. The display system creates a display of the three-dimensional model of the operational area and a position of the medical device within the operational area.

Some system embodiments include a plurality of pixels, data lines coupled to the pixels, switches coupling the pixels to the data lines, and a plurality of readout circuits coupled to the data lines. The system also includes control logic coupled to the readout circuits, the control logic configured to: for one of the pixels, obtain a first value for the pixel while a corresponding switch is in an off state, reset a corresponding readout circuit corresponding to the pixel, obtain a second value for the pixel after resetting the readout circuit, turn on the corresponding switch, obtain a third value for the pixel after turning on the corresponding switch, and combine the values ​​into a combined pixel value. Some system embodiments include a housing, an imaging array in the housing, an imaging strip in the housing, a first readout circuit coupled to the imaging array, a second readout circuit coupled to the imaging strip, and common electronics coupled to the first and second readout circuits and configured to generate image data in response to at least one of the first and second readout circuits.

The utility model relates to an imaging chip comprising a multispectral imaging unit. The imaging chip comprising the multispectral imaging unit comprises imaging pixel units arranged periodically, and each imaging pixel unit comprises imaging pixels based on a predetermined imaging array and used for imaging and multispectral pixels different from the imaging pixels and used for multispectral imaging, the multi-spectral pixels replace one or more imaging pixels to form at least one multi-spectral imaging unit, and the sum of the number of the imaging pixels in the multi-spectral imaging unit and the number of the pixel types of the multi-spectral pixels is larger than or equal to five. The multispectral imaging unit forms a rectangular array composed of imaging pixels and multispectral pixels. Thus, the imaging pixel unit used for imaging is provided with the imaging pixel containing five or more kinds of pixels and the multispectral pixel, spectral imaging and color imaging are integrated in the same imaging chip, and more accurate color restoration is achieved.

The invention relates to the field of imaging detection, in particular to a terahertz transmitting-receiving front end based on PCB integration, which comprises an industrial personal computer used for receiving returned data, performing phase compensation optimization on the data in combination with a motion track and realizing terahertz imaging of a to-be-detected sample; the multi-channel terahertz receiving and transmitting array module comprises a terahertz receiving and transmitting array unit used for receiving / transmitting terahertz signals; the array control unit board communicates with the terahertz transceiving array unit; the interconnection and interface board supplies power to the terahertz transceiving array unit and the array control unit board and ensures that the array unit is compatible with external equipment; and the robot structure is used for receiving the control instruction sent by the industrial personal computer and the return information of the mechanical arm and controlling the mechanical arm to operate. The integrated imaging array front end of the terahertz transceiver chip is packaged by the PCB, so that the integrated imaging array front end has obvious volume and cost advantages, and the volume scale and the cost of the system can be effectively reduced.

This invention discloses a method for screening catalysts for the oxygen evolution reaction based on electrochemiluminescence quenching. The catalyst to be tested is loaded onto the working electrode, and then Ru(bpy)3 is added. 2+ In the electrolyte of / Hepes, applying an anodic potential to excite ECL accelerates the OER to generate O2, and O2 quenches the ECL signal. The signal intensity is negatively correlated with the catalytic activity. This method can be used for parallel detection on a single-electrode imaging array, achieving high throughput, visualization, and quantitative screening. It is applicable to various OER catalysts such as polyoxometalates and oxides, and has the advantages of being fast, low-cost, and easy to operate.

The utility model relates to the technical field of cabin fire, and disclose a kind of cabin fire quick suppression spray system, the problem proposed in background art is solved, it includes cabin body, electrical equipment is arranged in the cabin body, infrared thermal imaging array is arranged in the cabin body, infrared flame detector and gas sensor are arranged in the cabin body, the infrared thermal imaging array, infrared flame detector and gas sensor are electrically connected, fire extinguishing assembly is arranged on the cabin body, fire extinguishing conveying piece is arranged in the cabin body, fire extinguishing conveying piece is connected with fire extinguishing assembly by conveying pipe, fire extinguishing conveying piece includes first arc conveying piece and second arc conveying piece, the utility model, with the effect that fire can be accurately detected quickly, and the joint spraying of two fire extinguishing agents is utilized, fire is quickly suppressed, and the safety of personnel and equipment in cabin is protected.

The invention discloses a multi-target calculation method for grading optimization of slurry containing solid waste aggregate, and relates to the technical field of data processing and analys.The method comprises the steps that an electrical resistance tomography array, a high-speed linear array camera and a three-dimensional laser contourgraph are arranged on a detection section of a slurry conveying pipeline, and multi-mode synchronous acquisition is conducted; obtaining a conductivity distribution grayscale image, a two-dimensional flow image and surface height point cloud data; preparing slurry for the candidate grading scheme, pumping the slurry to a slurry conveying pipeline detection section, calculating a gray scale difference value based on the conductivity distribution gray scale image, calculating a grading deviation degree based on the two-dimensional flow image, executing iterative subdivision on an equilateral triangle grading domain according to the gray scale difference value and the grading deviation degree, and obtaining a Pareto optimal solution set. According to the invention, the real flowing state and particle distribution characteristics of the slurry can be directly reflected, the dependence on experience and static tests is reduced, and the pertinence and stability of grading design are improved.

The invention discloses a 3D display system based on parallax modulation backlight. The 3D display system comprises a backlight module, a 3D space box generation module and a front OLED transparent display screen. Wherein the 3D space box generation module is arranged between the backlight module and the front OLED transparent display screen, is composed of a microstructure imaging array and a parallax coding image carrier, and is used for carrying out parallax modulation on backlight and generating a virtual 3D space image with depth information, and the front OLED transparent display screen is used for displaying a conventional 2D image; the 2D image simulates three-dimensional depth clues such as spatial layering, perspective shielding, light and shadow gradual change and motion parallax through visual fusion with a virtual 3D space box, and enables an observer to generate vivid three-dimensional perception in combination with the Pepper's ghost principle.

A system and method for imaging biological material is disclosed. The imaging system may comprise: a multi-well assay plate having a plurality of wells, each well of the plurality of wells defining a cavity that is configured to hold a biological material; an imaging module having a plurality of transducers; and a processor coupled to the imaging module. The processor may be configured to: activate the plurality of transducers to emit energy within the plurality of wells to stimulate the biological material, and generate an image of or analyze the biological material within each well. The method may comprise: adding a thin layer of acoustic coupling material; inserting the microwell plate into a support frame of an enclosure; mechanically translating the support frame; interrogating each of the wells of the microwell plate with ultrasound; and outputting results of the interrogation to an output device.

The application provides a patterned halogen perovskite film and a preparation method and application thereof, and the method comprises the following steps: (1) forming a photoresist film on a halogen perovskite film; (2) exposing the photoresist film obtained in the step (1); (3) developing the photoresist film obtained in the step (2); (4) placing the halogen perovskite film formed with the photoresist film obtained in the step (3) in a hydrogen halide acid solution for etching; and (5) placing the halogen perovskite film with the photoresist film remaining obtained in the step (4) in a mixture of halogen perovskite and an organic solvent for stripping, drying, and obtaining a patterned halogen perovskite film. Thus, the preparation method is compatible with modern microelectronic processes, and the quality and properties of the halogen perovskite film are basically unchanged before and after stripping, and the halogen perovskite film has a wide application prospect in the fields of photoelectric imaging arrays, display arrays, photoelectric logic array devices and the like.

An example method for measuring deformability of a cell responsive to a pressure wave, consistent with the present disclosure, includes moving a cell of a sample into a cell probing chamber of a microfluidic device. While the cell is in the cell probing chamber, the method includes generating a pressure wave within the cell probing chamber by actuating a fluidic pump. The method further includes determining a deformability of the cell responsive to the pressure wave, using an imaging array synchronized with the actuation of the fluidic pump.

The application discloses a three-dimensional reconstruction method, device, system and storage medium. The method comprises the following steps: controlling a dynamic probe and a static imaging array to synchronously collect images to obtain an image set; performing anatomical structure segmentation on a first image and multi-view second images respectively to obtain a first semantic anchor point set corresponding to the first image and a plurality of second semantic anchor point sets corresponding to the multi-view second images; constructing a global semantic map according to the plurality of second semantic anchor point sets and the multi-view second images; determining a current pose of the dynamic probe in a global coordinate system according to the first semantic anchor point set and the global semantic map; performing reconstruction by using a three-dimensional Gaussian splashing model according to the image set, a calibration parameter set and the current pose of the dynamic probe to obtain a current volume video frame of the target region; and outputting the current volume video frame.

The invention relates to a method for a flow cytometer. The method comprises the following steps: emitting fluorescence of different wavelengths generated by different fluorescent substances from an optical fiber, wherein the fluorescent substances are attached to different particles in a sample fluid; magnifying an image size from an end of the optical fiber to a first bi-color filter of a first plurality of bi-color filters arranged in a row in the first decomposed imaging array; reflecting fluorescent light of a first wavelength range between the plurality of filters and the first plurality of micromirrors to collimate the fluorescent light on odd number filters and reimage the fluorescent light on even number filters; passing a different wavelength range of the fluorescent light of the first wavelength range at each of the first plurality of dual-color-direction filters to decompose a wavelength spectrum of the fluorescent light of the first wavelength range; and detecting fluorescence in each different wavelength range in the first wavelength range associated with each fluorescent substance labeled to the particles to count the number of each different particle in the sample fluid.

The utility model relates to the technical field of horizontal calibration frames, in particular to a thermal imaging array camera horizontal calibration frame, which comprises a camera body, a connecting plate and a support ring, the connecting plate is mounted on the upper side of the support ring, the camera body is positioned on the upper side of the connecting plate, the thermal imaging array camera horizontal calibration frame further comprises a mounting plate, the camera body is mounted on the upper side of the mounting plate, and the mounting plate is positioned on the upper side of the connecting plate; a through hole is formed in the upper side of the connecting plate, the adjusting block A is located on the inner side of the through hole, a connecting block A is fixed to the upper side of the adjusting block A, and the connecting block A is connected with the lower side of the mounting plate; the supporting unit is located on the lower side of the supporting ring; the adjusting unit is located between the adjusting block A and the connecting plate. And by arranging a mounting plate, an adjusting block A, a connecting block A and an adjusting unit, leveling can be rapidly conducted through gravity, the leveling time is shortened, the leveling efficiency of the device is improved, and use is convenient.

An automated system for mitigating risk from a wind farm. The automated system may include an array of a plurality of image capturing devices independently mounted in a wind farm. The array may include a plurality of low resolution cameras and at least one high resolution camera. The plurality of low resolution cameras may be interconnected and may detect a spherical field surrounding the wind farm. A server is in communication with the array of image capturing devices. The server may automatically analyze images to classify an airborne object captured by the array of image capturing devices in response to receiving the images.

The invention discloses an intelligent monitoring and diagnosing method for the operation state of a boiler induced draft fan of a thermal power plant, and relates to the technical field of power equipment monitoring. The method comprises the following steps: multi-modal heterogeneous data acquisition and time-space alignment: acquiring acoustics, temperature field and airflow signals through an optical fiber acoustic sensor, an infrared thermal imaging array and the like, and associating the acoustics, temperature field and airflow signals; fault features are extracted through improved adaptive multi-scale morphological decomposition, and feature separation is realized through dynamic adjustment of structural elements; and fault mode matching and result output. The method breaks through the limitation of traditional single parameter monitoring, realizes early accurate diagnosis of the fault of the induced draft fan through multi-physics field fusion and adaptive algorithm optimization, and is suitable for intelligent operation and maintenance of key equipment of a thermal power plant.

The invention provides a variable curvature X-ray detector structure integrated with an electronic controller. The variable curvature X-ray detector structure comprises a flexible X-ray detection imaging array, a displacement-rotation angle conversion mechanism and the electronic controller, wherein the displacement-rotation angle conversion mechanism and the electronic controller are arranged in the bendable direction of the flexible X-ray detection imaging array and are fixedly connected. The electronic controller is integrated in the variable-curvature X-ray detector for data transmission and power supply, an external cable is not needed to provide a power supply and bending power, the detector is driven to be automatically bent according to the set curvature, and the detector is light, easy to operate and capable of being efficiently and flexibly applied to outdoor detection scenes; meanwhile, a sliding block rocker mechanism is integrated in the electronic controller and is matched with a displacement-rotation angle conversion mechanism to realize synchronous bending on the flexible X-ray detection imaging array, so that the bending curvature control accuracy is improved; in addition, a replaceable or rechargeable battery is integrated in the electronic controller, so that the portability is further improved; and finally, the handle is matched with the electronic controller to drive the displacement-rotation angle conversion mechanism, so that an automatic and manual dual-drive path is realized.

To provide an erect imaging array element that can reduce chromatic aberration.SOLUTION: An erect imaging array element has a plurality of transmissive optical elements each including a first optical surface and a second optical surface having a positive refractive power. The plurality of transmissive optical elements are arranged in array. At least one of the first optical surface and the second optical surface is a distribution-controlled diffraction surface. When the Abbe number of the plurality of transmissive optical elements is defined as νd, the conditional expression of |1 / νd|≤0.280 is satisfied.SELECTED DRAWING: Figure 2

A sensor having a layer and one or more sensing elements which sense shear force and compressive force on the layer. The sensor having a computer in communication with the one or more sensing elements which causes prompting signals to be sent to the one or more sensing elements and reconstructs shear force and compressive force on the layer from data signals received from the one or more sensing elements. A method for sensing forces. A method for producing a sensor.

The invention relates to the technical field of medical instruments and information, and discloses an oral cavity scanner and an oral cavity scanning method, and a self-adaptive flexible shell, the appearance of the self-adaptive flexible shell is set to be of a spherical structure matched with the geometrical shape of the human oral cavity, and the self-adaptive flexible shell is made of a biocompatible elastic material; a rubber bracket is arranged in the self-adaptive flexible shell to limit the relative spatial relationship of the imaging array, and the self-adaptive flexible shell has preset Shore hardness to keep the relative topological reference of internal components through the rubber bracket when the self-adaptive flexible shell is pressed to deform. By means of the spherical array topology and the 140-degree wide-angle macro lens, 360-degree full coverage of the inner wall of the oral cavity is achieved, the problem of collection dead angles of a traditional handheld device in a posterior molar area, a lingual area and the edge of gingiva is solved, handheld guiding is replaced with a self-adaptive flexible sphere holding mode, a user does not need to have professional anatomical knowledge or steady-state control ability, and the user experience is improved. And the operation difficulty in a home scene is greatly reduced.

The invention belongs to the technical field of semiconductors, and particularly relates to a photoelectronic device LED chip parameter intelligent detection and calibration system which comprises a non-contact dual-mode excitation time sequence controller module, a carrier initial state multiplexing imaging array unit, a working state performance reverse mapping engine unit, an on-chip calibration code burning interface and a test main control unit. The test master control unit is configured to coordinate all the modules to execute a whole process operation from chip spot measurement to calibration result output, and support local storage or uploading to a production line MES system. By constructing homologous carrier dual-mode excitation, complementary optical response acquisition and physical model inversion mechanisms, the real nIQE and defect density are inverted, and the measurement error is controlled within + / -1.5%; and high-efficiency and high-defect chips which cannot be distinguished by a traditional EL light intensity method are effectively identified, the chips are prevented from flowing into a subsequent process, and the yield and reliability are fundamentally improved.

The present invention relates to methods, systems, and devices that provide imaging arrays having a row and column addressing configuration and that can be controlled via bias activation, thereby enabling selection and optimization of imaging apertures for ultrafast imaging. For example, the present invention provides imaging array designs that use row (or column) activation in combination with bias adjustment of the row and column array structure, enabling high quality, flexible ultrasound imaging, particularly for cylindrical array applications.

The invention belongs to the technical field of electromagnetic wave detection and imaging, and relates to a step-frequency through-wall imaging array arrangement experimental platform and a rapid imaging method for a human body behind a wall. The step-frequency through-wall imaging array arrangement experimental platform provided by the invention comprises an antenna array plate, a movable array bracket and an antenna bracket, the platform is compatible with horizontal polarization, vertical polarization and circular polarization ultra-wideband through-wall antennas, supports data acquisition modes such as single-transmitting and single-receiving, single-transmitting and multi-receiving and time-division multi-transmitting and multi-receiving, breaks through the geometric constraint of a traditional fixed array, and can verify the influence of factors such as different polarization combinations and array element arrangement on human body imaging behind the wall. According to the rapid imaging method for the human body behind the wall, the dielectric constant and the thickness of the wall can be estimated, a wall refraction model is established, a through-wall electromagnetic wave refraction path is calculated, weak human body scattering signals behind the wall are extracted, phase compensation and three-dimensional imaging are rapidly carried out, imaging grating lobe suppression is carried out, and finally three-dimensional real-time imaging and target positioning of a human body target behind the wall are achieved.

An imaging assembly for an intraluminal imaging device is provided. In one embodiment, the imaging assembly includes an imaging array positioned at a distal portion of the intraluminal imaging device. The imaging array may have a plurality of imaging elements arranged into subarrays. The imaging assembly also may include a micro-beam-former integrated circuit (IC) coupled to the imaging array at the distal portion of the intraluminal imaging device. The micro-beam-former IC includes a plurality of microchannels that may separately beam-form signals received from imaging elements of at least two subarrays. The imaging assembly further includes two or more signal lines that may couple to the micro beam-former IC. Each signal line may correspond to a specific subarray and may receive the beam-formed signals specific to corresponding subarray.