540 results about "Image sensing" patented technology

The invention relates to a laser galvanometer detection system with temperature drift self-detection and correction functions. The laser galvanometer detection system comprises an error judgment module and an error calibration module, the error judgment module comprises a CMOS image sensing module, a visual detection module and a storage module; the error calibration module comprises a calibration module and a laser marking module; the CMOS image sensing module is used for shooting a high-definition image, and the visual detection module can generate a prediction image and perform deviation identification on the image shot by the CMOS image sensing module. According to the invention, the temperature drift error is automatically detected through real-time detection of the position drift error of each visual single detection area in the galvanometer processing breadth, and each visual single detectable area is detected one by one to form an adjacent array, so that the temperature drift error detection of the whole processing breadth is realized; and comparing the difference between'theoretical due 'and'actual existing' through an intelligent algorithm so as to detect, compensate and correct the error in real time.

The invention discloses a steel-wood combined component surface defect detection system and method based on image sensing, and relates to the technical field of defect detection.The system comprises an area identification module used for collecting a multi-modal image data set and determining a steel area subset and a wood area subset; the overlap analysis module is used for performing double-layer mapping and determining steel-wood combination interface information; the surface anomaly analysis module is used for performing surface anomaly analysis; the defect feature extraction module is used for extracting steel and wood defect features; the defect distribution diagram drawing module is used for drawing a surface defect distribution diagram; and the defect influence analysis module is used for carrying out defect influence analysis and locking surface defects. The technical problem that in the prior art, steel-wood combined component surface defect detection is not accurate enough, and consequently structure safety evaluation is not comprehensive enough is solved, and the technical effects that accurate detection of the steel-wood combined component surface defects is achieved, and the comprehensiveness of component structure safety evaluation is improved are achieved.

Designs of image sensing devices by including a substrate layer including a plurality of photoelectric conversion elements, a plurality of grid structures disposed over the substrate layer, a plurality of color filter layers each of which is disposed between adjacent grid structures, a plurality of over-coating layers formed over the color filter layers, and a plurality of microlenses formed over the over-coating layers. Each of the grid structures includes an air layer, and a capping film formed to cap the air layer, and an upper portion of the air layer is formed to protrude upward from the over-coating layer.

The invention relates to the technical field of intelligent control, in particular to a coke pushing process environment dust removal system air volume intelligent energy-saving regulation and control system and method, and the system comprises a process signal module, an image sensing module, a dynamic infrared module, a real-time flue gas analysis module and a dust removal air volume control module. In the invention, the air volume regulation of the dust removal equipment is not a fixed and extensive mode any more, but is converted into a four-gear variable-speed intelligent response matched with the actual smoke dust load, the dust removal equipment runs at a low-energy-consumption gear when the smoke dust generates initial stage or light pollution, and the air volume is gradually increased along with the rising of the smoke dust load, so that the dust removal efficiency is improved. When large-scale smoke dust leakage caused by equipment faults or extreme working conditions is monitored, the highest-gear full-force trapping is immediately started, the treatment effect is ensured, and the regulation and control according to needs not only improves the smoke dust trapping efficiency and effectively restrains unorganized emission, but also reduces the operation energy consumption of a dust removal system, and realizes double improvement of environmental protection benefits and economic benefits.

An image sensing device includes first color filters having a first color, second color filters having a second color, third color filters having a third color, fourth color filters having a fourth color, and a grid structure disposed between adjacent color filters of the first to fourth color filters and configured to prevent crosstalk between the adjacent color filters. The grid structure includes a first grid region disposed on sides of some of the fourth color filters and a second grid region different from the first grid region, and the grid structure has different structures in the first grid region and the second grid region.

The invention provides an electromagnetic adsorption type drilling actuator capable of achieving automatic feeding and an automatic drilling method, and relates to the technical field of intelligent machining. The electromagnetic adsorption type drilling actuator comprises a drilling machine body, a connecting support, a feeding system, an electromagnetic adsorption device, an image sensing unit and a control system; the connecting support is slidably connected with the drilling machine body and fixedly connected with the tail end of the mechanical arm. The feeding system is fixedly arranged on the connecting bracket; a moving part of the feeding system is fixedly connected with the drilling machine body; the electromagnetic adsorption device is fixedly arranged on the connecting support, and the adsorption face of the electromagnetic adsorption device faces the feeding direction of the drilling machine body. The image sensing unit is fixedly arranged on the drilling machine body; and the control system is electrically connected with the drilling machine body, the feeding system, the electromagnetic adsorption device and the image sensing unit. A visual module is integrated on the aspect of the device, an executing mechanism with the real-time environment sensing capacity is constructed, and cooperative control of precise feeding transmission and self-adaptive adsorption is achieved through modular design.

The invention provides an active train sensing system and method based on thunder and vision fusion. Comprising an acquisition module used for acquiring multi-path image data containing different focal length images and three-dimensional point cloud data corresponding to the front of a train; the time synchronization module is used for generating synchronous image data and synchronous three-dimensional point cloud data; the coordinate transformation module is used for establishing a spatial transformation relation between the three-dimensional point cloud coordinate system and the image coordinate system; the image sensing module is used for inputting the synchronous image data and the three-dimensional point cloud data into the target segmentation network to obtain track coordinates; the point cloud sensing module is used for obtaining three-dimensional point cloud data in front of the train; and the thunder-vision fusion module is used for distributing an accurate center representative coordinate for each obstacle, generating structured obstacle information and outputting the structured obstacle information to a vehicle-mounted train control system. The multi-source sensing information utilization rate can be improved, the track obstacle recognition and three-dimensional positioning precision is improved, and the system sensing stability in a complex scene is enhanced.

The invention provides an implementation method of a sound-light alarm linkage terminal device under external force construction monitoring. The implementation method comprises the following specific steps that a low-power-consumption image sensing terminal deployed along a power transmission line continuously collects channel environment images; performing target detection and behavior modeling on the uploaded image, identifying whether an external force construction behavior exists or not, and judging whether the image enters a high-voltage line protection area or not; when the system judges that the invasion risk exists, an acousto-optic warning signal is sent out, and field intervention is carried out on constructors; and after completing the acousto-optic intervention, the mobile terminal uploads the event to a remote platform. The method has the advantages that the construction behavior can be accurately identified and the risk level can be evaluated in real time; after potential threats are identified, on-site illegal behaviors are quickly stopped; the response speed, the intervention effect and the intelligent management level of the power grid to external force damage behaviors are improved, and an efficient, intelligent and sustainable evolution early warning protection system is constructed for high-voltage line channel safety.

The invention discloses an image sensing chip board-level packaging structure and a manufacturing method thereof.The packaging structure comprises a cofferdam type chip unit, the cofferdam type chip unit comprises a transparent substrate, a cofferdam structure and an image sensing chip, the front face of the image sensing chip is provided with a photosensitive area and a bonding pad, the transparent substrate covers the photosensitive area, and the cofferdam structure covers the bonding pad; a cofferdam structure is arranged between the transparent substrate and the image sensing chip, and the cofferdam structure surrounds the photosensitive area to form a closed area; the plastic package body wraps the side surface and the back surface of the cofferdam type chip unit; the first rewiring layer is arranged on one side, close to the front surface of the image sensing chip, of the plastic package body and is electrically connected with a bonding pad of the image sensing chip; the second rewiring layer penetrates through the plastic package body and is electrically connected with the first rewiring layer; and the external interconnection structure is electrically connected with the second rewiring layer. The packaging structure has excellent electrical quality and reliability, the packaging size is larger than the size of a bare chip, and the problem that the heat dissipation capacity is limited due to miniaturization of wafer-level packaging can be solved.

The invention provides a device and method for confirming the crack position of a bonded wafer, and the device comprises a bonded wafer placement part, a light source, an image sensing part, an insertion piece part, and a shading part, the insertion piece part is disposed at the outer side of the bonded wafer placement part, and an insertion piece is inserted into the bonded wafer for confirming the crack position; and the bonding wafer placing part, the light source, the image sensing part and the sheet inserting part are covered in the shading part. The wafer position can be observed in real time through the image sensing technology, the wafer defect can be observed conveniently, and the wafer crack generation position can be accurately positioned. And then the wafer insertion part is inserted into the crack generation position of the wafer, so that the generation source of the wafer crack can be found more accurately, and the personnel can be assisted to improve the process. The crack generation position of the bonding wafer can be accurately positioned by using a simple structure, the wafer detection efficiency is improved, and the phenomena of wrong detection and missing detection caused by manual detection are reduced.

The invention relates to the technical field of image sensing, general image recognition and feature positioning under computer vision, and discloses an acupuncture point positioning method and system based on artificial intelligence, and the method comprises the steps: obtaining a non-rigid target section image through an image collection module; the key point identification module determines topological anchor points at two ends of the section; the reference construction module establishes a structure reference vector; a deflection calculation module extracts surface texture feature points, obtains a high-frequency component and a low-frequency component through multi-scale frequency domain decomposition, and determines a spatial deflection parameter based on the gradient of the energy distribution ratio of the high-frequency component and the low-frequency component; the proportion compensation module corrects a target distribution proportion coefficient; according to the method, the pose is inversed by using the scale invariance between the frequency domain components, the decoupling of the anatomical positioning logic and the pixel space is realized, and the non-linear interference of the non-uniformity of the biological surface and the dynamic environment illumination on the positioning precision is eliminated.

The invention discloses a backside illuminated image sensing structure, a sensor and a preparation method, and belongs to the field of semiconductors, the backside of a substrate is thinned to form a laminated photosensitive structure through a deposition process, a deep trench isolation structure is prepared on the laminated photosensitive structure, a first section of metal grating is prepared, and ions of VA group elements are injected to form a second section of metal grating; an inclined reinforced doping belt is formed; then preparing a second section of metal grating to obtain a complete metal grating, obtaining a back-illuminated image sensing structure, and then performing the processes of activation, preparation of a filter layer and the like to obtain a complete back-illuminated image sensor; according to the invention, the stacked photosensitive structure and the reinforced doping band are combined, so that the crosstalk effect is greatly reduced while the problem of doping damage to the substrate is solved, and the performance of the image sensor is improved.

Image sensing devices are disclosed. In an embodiment, an image sensing device includes a substrate including a first surface and a second surface facing or opposite to the first surface; a plurality of photoelectric conversion regions arranged adjacent to each other within the substrate and configured to convert incident light received through the first surface into photocharges; a pixel isolation structure configured to isolate adjacent photoelectric conversion regions of the photoelectric conversion regions from each other within the substrate; a floating diffusion region disposed between the plurality of photoelectric conversion regions and in contact with the second surface of the substrate; and a plurality of transfer gates disposed on side surfaces of the plurality of photoelectric conversion regions so as not to vertically overlap the plurality of photoelectric conversion regions.

The present application relates to the field of spectral measurement, in particular to a kind of ultraviolet spectrum measurement method, comprising: fluorescence gradual conversion device is converted into visible light by the ultraviolet light to be measured obtained, and is transmitted to image sensing device;Image sensing device converts the visible light into visible light intensity image, and is transmitted to data processing device;According to the visible light intensity image obtained by data processing device, and according to the preset reconstruction algorithm, the spectrum of the ultraviolet light to be measured is calculated.The present application does not need to use the slit, grating and complex collimating focusing light path of existing spectrometer, the present application uses black and white surface array CCD to receive incident light in large area, and converts the ultraviolet light insensitive to CCD into sensitive visible light, greatly improves the intensity and utilization of optical signal, greatly reduces cost, reduces volume, and can very conveniently improve resolution and conversion measurement range.

An image sensing module includes an extending substrate. An image sensor and a lens module are respectively formed on the first surface and the second surface of the extending substrate. The width of the extending substrate is wider than the width of the image sensor to improve dimension mismatches between the lens module and the image sensor. An enclosure is formed on the lower surface of the extending substrate to prevent lights from entering into the sensing area of the image sensor from the sidewall of the image sensor. Sealing glues are adhered between the image sensor and the enclosure.

The invention relates to the technical field of engineering surveying, in particular to a three-dimensional laser engineering surveying scanner based on unmanned aerial vehicle remote sensing image sensing access and a use method thereof, the scanner comprises an unmanned aerial vehicle body and a bearing plate arranged on the unmanned aerial vehicle body, and the bearing plate is provided with symmetrically arranged fixing plates; the supporting assembly is arranged on the fixing plate, and a scanner body is connected to the supporting assembly; the vibration suppression mechanism is arranged on the bearing plate and connected with the supporting assembly, and the bearing plate is further provided with a bidirectional damping mechanism connected with the supporting assembly. When the scanner body generates low-frequency large-amplitude vibration or high-frequency small-amplitude vibration due to wind power or machine body vibration, suppression or rigid supporting actions can be performed on different vibrations, so that the measurement accuracy of the scanner body is ensured.

The application provides a kind of light waveguide microfluid detection system based on CMOS image sensing, comprising: microfluid chip, spectral collection device and analysis device;Microfluid chip includes: light waveguide and micro flow channel, light waveguide is used to guide light into micro flow channel along horizontal direction;Microfluid chip further includes: CMOS image sensing layer, lower cladding layer, waveguide layer, upper cladding layer and flow channel cover plate are sequentially arranged from bottom to top, waveguide layer is formed by silicon nitride material at 25-150 DEG C deposition temperature, waveguide layer is used to form light waveguide;Micro flow channel penetrates upper cladding layer, waveguide layer and lower cladding layer from top to bottom to expose CMOS image sensing layer;Micro flow channel width is 10-100 μm.It has beneficial effects: low-temperature deposition of silicon nitride light waveguide with adjustable optical performance on CMOS image sensing layer and high molecular polymer material, without damaging CMOS image sensing layer, reducing the preparation work such as adjusting the collection light path in the experiment, improving the experimental efficiency;Improve the portability of detection system, greatly increase the application scene of system.

An endoscopic image capturing assembly is provided and includes a holder, an image sensing device, a light emitting component and a conducting track. The holder includes a first surface, a protruding end surface, a first body and a protruding body connected to the first body and protruding from the first surface. The first surface is formed on the first body. The protruding end surface is formed on an end portion of the protruding body away from the first surface. The image sensing device is mounted on the first surface. The light emitting component is mounted on the protruding end surface. The conducting track is at least partially embedded in the holder and electrically connected to one of the image sensing device and the light emitting component. Besides, an endoscopic device having the aforementioned endoscopic image capturing assembly is also provided.

This invention relates to the field of image sensing data processing and discloses a method for diagnosing the thermal environment of blue-green spaces in cold-region cities based on multispectral remote sensing. The method includes the following steps: acquiring multispectral remote sensing images, three-dimensional building elevations, and solar apparent shape parameters; calculating the illumination shading coefficient of blue-green space pixels to form a three-dimensional dynamic shadow mask; constructing a microscopic phase transition evolution operator using the sensitivity gradient of radiation intensity in different polarization directions and mid-infrared reflectivity; inputting the mask and operator into the thermal infrared radiation measurement equation to reconstruct the dynamic surface temperature; solving the surface energy balance equation based on the dynamic surface temperature, separating the latent heat storage of phase transition energy, and constructing a latent heat buffer index; and performing a comprehensive diagnosis of the thermal environment health based on this index. This invention effectively overcomes the temperature measurement errors caused by complex shading and phase state interweaving, accurately isolates the latent heat energy of phase transition, and achieves precise positioning and objective quantitative diagnosis of microclimate anomalies in cold-region cities.

The invention discloses a non-contact handwriting device based on an ultraviolet specific image sensor and a preparation method, and relates to the technical field of image sensing and human-computer interaction. Comprising a glass substrate 1, a transparent thin film transistor array 2 formed on the substrate, a photosensitive material layer 3 formed on the thin film transistor array, and an ultraviolet curing adhesive packaging layer 4 covering the photosensitive material layer. A light-sensitive material is a Bi2S3 material with a wavelength selective light current memory characteristic, generates long-time light current maintenance based on a photo-thermal electric effect in an ultraviolet band, rapidly attenuates in visible to near-infrared bands, and has ultraviolet input selectivity and ambient light anti-interference capability. According to the system, an ultraviolet laser pen is used as an input tool, handwriting patterns which can be kept for a long time are formed on an image sensor array, and image erasing based on a background normalization mechanism is supported. The image sensor array is composed of synaptic-like devices, has a long-term optical memory characteristic, and realizes integration of perception and storage.

The invention relates to the technical field of intelligent integrated devices, in particular to a vertical fin type display sensing module and a preparation method thereof.The module comprises a driving backboard and an anode on the driving backboard, the anode is provided with a semiconductor fin type structure, the semiconductor fin type structure comprises an n + GaN layer and a graphical n-GaN epitaxial layer, a protruding fin part with a notch is formed, and the n + GaN layer is arranged on the n + GaN layer. A P + region and a P + + region are formed by ion implantation on the side walls of the gap and the fin part, an N + region is formed at the top, a grid electrode is arranged on the P + + region, a metal layer and a transparent conductive oxide layer are arranged on the N + region, and a light-emitting unit is bonded on the transparent conductive oxide layer; the image sensing unit is overlapped with the projection of the fin type structure and comprises a light filtering layer and a micro lens. The preparation method comprises the steps of patterning to form the fin type structure, performing selective ion implantation to realize P / N region doping, and transferring and bonding the light-emitting unit in a huge amount. High-performance driving and sensing functions are integrated on a single chip through a GaN fin type structure, the problems of low performance, complex process and high cost in the prior art are solved, and integrated fusion of display and sensing is achieved.

A mechanism for tracking an approximate position of a desired light beam. An optical system is configured to derive one or more first positions of one or more incident light beams from data produced by a position-sensitive device and one or more second positions of one or more incident light beams from image data produced by an image sensing arrangement. A tracking system processes the first position(s) and the second position(s) to determine or identify a position of the desired light beam.

Systems and methods for navigating a host vehicle relative to a parking space may include receiving sensed image data acquired by an image sensing system; determining, based at least in part on analysis of the sensed image data, a first indicator of a left boundary and a second indicator of a right boundary associated with a parking space; and determining a parking space approach maneuver initial position. The parking space approach maneuver initial position may be determined based on the determined first and second indicators of the left and right boundaries and also based on a determined indicator of an entrance to the parking space. One or more actuator systems associated with the host vehicle may be caused to active to cause the host vehicle to navigate into the parking space from the parking space approach maneuver initial position.

The application provides a camera, which comprises a light guiding module for receiving external image light and splitting the image light into first light and second light; an image sensing module for receiving the first light and converting the first light into image data; a spectrometer module for receiving the second light and obtaining spectral information of the second light; and a processor electrically connected to the image sensing module and the spectrometer module, for adjusting the image data according to the spectral information, wherein the image data comprises a plurality of pixel data, each of the pixel data comprises light intensity information of three primary color lights, and the processor is used for adjusting the light intensity information corresponding to each of the primary color lights in the pixel data according to the spectral information. The application also provides an image data adjusting method.

The invention discloses an image perception method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the image features of each visual angle image in a multi-visual angle image, and enabling the multi-visual angle image to be synchronously collected by a multi-visual angle image collection device on a carrier; determining a first conversion relation between an image coordinate system corresponding to each view angle image and a target coordinate system; based on the first conversion relation corresponding to each view angle image, projecting the image feature of each view angle image to a target coordinate system to obtain the projection feature of each view angle image in the target coordinate system; fusing the projection features of the view angle images in the target coordinate system to obtain fused features; and based on the fusion features, determining the perception result of the multi-view image, thereby improving the perception precision on the premise of satisfying the requirements of increasing the perception range and reducing the calculation amount.

The utility model discloses a readout circuit, a readout system and a solid-state imaging device for image sensing, which relate to the technical field of image sensing readout, and comprise a pixel array unit used for photoelectric signal conversion; a current mirror circuit unit; wherein the current mirror circuit unit comprises a cascode current mirror or two N-channel field effect transistors; a negative impedance conversion unit; and a charging and discharging acceleration unit. According to the utility model, the negative impedance conversion unit and the charging and discharging acceleration unit are utilized, and the negative impedance generated by the negative impedance conversion unit counteracts the parasitic capacitance and the parasitic resistance which influence the VSL establishment speed, so that the small signal establishment speed is accelerated; the charging and discharging acceleration unit is used for selectively providing charging and discharging current in the VSL descending establishment process or the VSL ascending establishment process, so that the large signal establishment speed is accelerated. In this way, corresponding response cooperation can be carried out for the VSL descending establishment process or the VSL ascending establishment process.

An image sensing device capable of generating a high dynamic range (HDR) image is disclosed. The image sensing device includes a pixel and a compensation circuit. The pixel configured to output to a sensing node, a sensing voltage corresponding to a voltage of a floating diffusion region, which is included therein and has first and second capacitances in respective first and second modes, the second capacitance being greater than the first capacitance. The compensation circuit controls, in a first section, an offset voltage level of the sensing node through a first path and boosts, in a second section, the sensing voltage through a second path.

The present disclosure relates to an image sensor integrated chip (IC) structure. The image sensor IC structure includes a plurality of image sensing elements respectively disposed within a plurality of pixel regions of a pixel array within a substrate. An inter-level dielectric (ILD) structure is disposed on a surface of the substrate and surrounds one or more interconnects. A plurality of three-dimensional (3D) capacitors are arranged within respective ones of the plurality of pixel regions and are coupled to one of the plurality of image sensing elements by the one or more interconnects. The plurality of 3D capacitors include a base region extending in parallel to the surface of the substrate and one or more fingers extending outward from the base region along a direction perpendicular to the surface of the substrate.

An image sensing device includes a photoelectric conversion region that generates photoelectric charges corresponding to incident light, a photoelectric gate region that overlaps the photoelectric conversion region and causes the photoelectric charges generated in the photoelectric conversion region to be collected in the photoelectric conversion region, and a transfer gate that is disposed adjacent to the photoelectric gate region in a first direction and transfers the photoelectric charges collected in the photoelectric conversion region to a floating diffusion region. The photoelectric gate region includes a first photoelectric gate that extends in a second direction for a length longer than a length in the second direction in which the photoelectric conversion region extends, and a second photoelectric gate that extends in the second direction for a length shorter than the length in the second direction in which the photoelectric conversion region extends. The first photoelectric gate includes a recessed region that is formed in contact with a side surface of the photoelectric conversion region and extends perpendicularly from one surface of a substrate in which an area in which the photoelectric conversion region is located.