1064 results about "Image sensing" patented technology

The invention discloses a self-isolation type image sensing structure, a sensor and a preparation method, and belongs to the field of semiconductors, the self-isolation type image sensing structure is characterized in that a shallow trench isolation structure is exposed after the back surface of a substrate is thinned, then a first semiconductor layer is extended on the back surface of the substrate, and a first isolation structure is prepared in the first semiconductor layer; sequentially depositing a second semiconductor material layer and a metal grating material layer on the first semiconductor layer; sequentially etching the metal grating material layer and the second semiconductor material layer to form a plurality of metal grating structures distributed at intervals and corresponding self-isolation structures; extending a plurality of photosensitive layers in the photosensitive region groove between the adjacent self-isolation structures to form a photosensitive region; and then activating, preparing a filter layer and the like are carried out to obtain a complete back-illuminated image sensor. The self-isolation photodiode is obtained by changing the structural distribution of the photodiode, unexpectedly, the problem that the substrate is damaged by doping is solved, meanwhile, the crosstalk effect is greatly reduced, and the performance of the image sensor is improved.

An image sensing device includes a first photoelectric conversion element configured to overlap a left region of a first microlens, a second photoelectric conversion element configured to overlap a right region of the first microlens, a first floating diffusion region configured to accumulate photocharges received from at least one of the first photoelectric conversion element and the second photoelectric conversion element, a first transfer gate disposed at a top-left side of the first floating diffusion region and configured to transfer photocharges of the first photoelectric conversion element to the first floating diffusion region, and a second transfer gate disposed at a bottom-right side of the first floating diffusion region and configured to transfer photocharges of the second photoelectric conversion element to the first floating diffusion region.

The invention discloses a roadside fusion tracking method and system based on Leiye frame fusion, and relates to the technical field of intelligent traffic. The method comprises the steps that when a certain MEC server triggers a fusion instruction and a timer of the MEC server reaches trigger time, image sensing data and radar sensing data in current cache data are acquired; performing frame fusion on the image sensing data and the radar sensing data to generate a thunder fusion frame; and carrying out target continuous tracking based on the Reighting fusion frame and the historical fusion data to obtain a tracking result, updating the historical fusion data, calculating to obtain a complete credible interval and a basic credible interval of the MEC server, and outputting the Reighting fusion frame and the tracking result at the same time. According to the method, the perception results of radar vision are fused, then multi-target tracking is carried out based on the fusion result, the continuous tracking effect of the target is good, the perception precision is high, the universality is high, the detection effect is good under the conditions of a static state and a long distance, and the problems of ghosting, splitting, position jumping and the like are effectively solved.

A display device according to an embodiment may include: a plurality of first display pixels disposed in a first region of a substrate; a plurality of image sensing pixels that are disposed in a second region positioned at the periphery of the first region of the substrate, and generate pixel signals; and a driving circuit that is disposed on the substrate, generates a plurality of first data signals based on input image data, provides the plurality of first data signals to the plurality of first display pixels, receives the pixel signal from the plurality of image sensing pixels, and generates image data corresponding to the user's gaze based on the pixel signal.

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 relates to a wafer pose recognition system and an image acquisition device and an image acquisition method thereof, the wafer pose recognition system comprises a support structure for supporting a wafer to be recognized and the image acquisition device arranged above the wafer to be recognized, and an image sensing module is arranged in the image acquisition device. A fisheye lens group or a negative lens is adopted to enlarge the visual field width of an image sensor, so that the image sensing module can obtain complete edge image information of a wafer in one-time imaging, the positioning efficiency is improved, an annular first light shielding plate and a circular second light shielding plate are arranged on an optical path of the lens to form an annular visual field in a matched mode, and the positioning precision is improved. The edge blurred part image and the middle too bright part image are physically excluded, the imaging quality in the annular view is improved, the clear and complete wafer positioning edge image can be obtained, the contour recognition precision during image recognition is improved, and the positioning accuracy is improved.

The invention relates to a method for positioning a laser beam and calibrating a treatment bed in radiotherapy, which belongs to the technical field of radiotherapy and comprises the following steps: installing a laser reference module and an image sensing module; the laser reference module emits a reference laser beam, the machine head and the rack are rotated, the image sensing module receives a projection point of the reference laser beam and forms a track arc, the laser reference module is moved according to the deviation between the projection point of the reference laser beam and the geometric center of the track arc, and isocenter points of radiotherapy equipment are calibrated; moving the treatment bed; the positioning laser lamp module is installed and emits a positioning laser beam, the posture of the positioning laser lamp module is adjusted according to the deviation between the projection of the positioning laser beam received by the image sensing module and the isocenter point of the radiotherapy equipment, and calibration of the positioning laser beam and the treatment bed is completed. Professional technical experience is needed, a debugging result has subjectivity, and indexes cannot be specifically quantified.

In an embodiment, an image sensing device includes a pixel array including a plurality of unit pixels, wherein each of the unit pixels comprises a plurality of sub-pixels, wherein a first isolation region is formed in an edge region of the plurality of sub-pixels, wherein a second isolation region is formed from the first isolation region toward a central portion of each of the sub-pixels, wherein the second isolation region comprises: a first inner isolation region protruding from one region of the first isolation region toward the central portion of the sub-pixel; and a second inner isolation region aligned with the first inner isolation region and protruding from another region of the first isolation region toward the central portion of the sub-pixel, wherein a third isolation region is formed in a direction orthogonal to a direction in which the first inner isolation region and the second inner isolation region.

The invention provides a self-checking and self-correcting device of an electronic endoscope system and the electronic endoscope system. The self-checking and self-correcting device is mechanically connected to an image processor through an anti-lost device; the self-checking and self-correcting device comprises a shell, a circuit board, a plug and an image sensing module, the circuit board is arranged in the shell, and the plug is arranged on the outer side of the shell, electrically connected with the circuit board and used for being connected with an endoscope socket on an image processor in a pluggable mode; the image sensing module is electrically connected with the circuit board and is used for acquiring image information. Before an operation, the self-checking and self-correcting device replaces a disposable endoscope to be installed on the image processor and is used for debugging an endoscope system, the self-checking and self-correcting device is pulled out after debugging is completed, then a disposable electronic endoscope is installed, the disposable electronic endoscope is saved, and unnecessary waste is avoided; and the debugging time is greatly saved, so that the time efficiency of an operation is ensured.

A semiconductor image sensing structure includes a semiconductor substrate having a front side and a back side, a pixel sensor disposed in the semiconductor substrate, a transistor disposed over the front side of the semiconductor substrate, and a reflective structure disposed over the front side of the semiconductor substrate. A gate structure of the transistor and the reflective structure include a same material. A top surface of the gate structure of the transistor and a top surface of the reflective structure are aligned with each other.

An image sensing device is provided to include a first pixel including a first single-photon avalanche diode (SPAD) that includes a cathode to receive a first bias voltage; a second pixel including a second SPAD that includes an anode to receive a second bias voltage; and a selection circuit coupled to the first pixel and the second pixel and configured to select the first pixel or the second pixel to produce an output.

One or more of the described systems, methods, and apparatuses relate to imaging devices with integrated light exposure control. An imaging device comprises an image sensor and a light modulation layer coupled to the image sensor. The light modulation layer comprises a plurality of liquid-crystal (LC) device pixels over the image sensor. The imaging device comprises control circuitry coupled to the image sensor and the light modulation layer. The control circuitry is configured to apply a transparency mask to the light modulation layer by modifying, based on at least one frame captured at the image sensor, pixel attributes of the plurality of LCD pixels for modulating exposure of the image sensor.

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.

An image sensing device includes an upper substrate configured to include a pixel region and a first peripheral region located outside the pixel region, a lower substrate configured to include a logic region and a second peripheral region located outside the logic region, the logic region configured to generate an image based on the electrical signals from the unit pixels, light reception elements disposed over the upper substrate and configured to transmit the incident light to the pixel region, an insulation layer disposed between the upper substrate and the lower substrate, a light reception alignment mark disposed in the first peripheral region and configured to assist positioning of the light reception elements, and an alignment pattern disposed between the first peripheral region and the second peripheral region and in the insulation layer. The alignment pattern is configured to absorb light used to measure the light reception alignment mark.

The measuring equipment comprises a sensing unit, the sensing unit comprises a bin body, a laser sensing module, an image sensing module, a connecting piece and a gasket, and the laser sensing module and the image sensing module are connected to a first surface and a second surface, opposite to each other up and down, of the connecting piece respectively. A part of the first surface is separated from the laser sensing module, so that an accommodating space is formed between the first surface and the laser sensing module; and / or part of the second surface is separated from the image sensing module, so that an accommodating space is formed between the second surface and the image sensing module. The containing space can be used for containing connecting lines of the laser sensing module and / or the image sensing module, and the connecting lines comprise wires and communication lines. The laser sensing module and the image sensing module are fixed together through the connecting piece, so that connection between the laser sensing module and the image sensing module is firmer, and movement is not prone to occurring. And the risk of measuring errors after the measuring equipment is used for a long time is reduced.

An image sensing device and an HDR image generation method thereof are provided. The image sensing device includes a pixel array, a readout circuit, and a processing circuit. The pixel array includes multiple sensing pixels electrically connected to multiple data readout lines. The readout circuit is electrically connected to the data readout lines and the processing circuit, and the data readout lines of each sensing pixel include a first data readout line and a second data readout line. Each sensing pixel outputs a first sensing signal corresponding to a first exposure period within a row exposure period through the first data readout line, and each sensing pixel outputs a second sensing signal corresponding to a second exposure period within the row exposure period through the second data readout line. The processing circuit generates an HDR image based on the first sensing signal and the second sensing signal.

The invention provides an electronic endoscope system with a self-checking and self-correcting device, which comprises an image processor, a display and a self-checking and self-correcting device, and is characterized in that the image processor is provided with an endoscope socket; the self-checking and self-correcting device comprises a shell, a circuit board, a plug electrically connected with the circuit board and an image sensing module, and the plug is in pluggable connection with an endoscope socket on the image processor; the image sensing module is electrically connected with the circuit board and used for acquiring image information, and the image processor is used for processing the received image information acquired by the image sensing module and displaying the image information through the display. Before an operation, the self-checking and self-correcting device replaces a disposable endoscope to be installed on the image processor and is used for debugging an endoscope system, the self-checking and self-correcting device is pulled out after debugging is completed, then a disposable electronic endoscope is installed, the disposable electronic endoscope is saved, and unnecessary waste is avoided; and the debugging time is greatly saved, so that the time efficiency of an operation is ensured.

A semiconductor device, a back-side deep trench isolation (BDTI) structure of a semiconductor device, and method of manufacturing a semiconductor structure are provided. The semiconductor device, comprising: a pixel region disposed within a substrate and comprising an image sensing element configured to convert electromagnetic radiation into an electrical signal; and one or more BDTI structures extending from a first-side of the substrate to positions within the substrate; wherein the one or more of BDTI structures comprise one or more ferroelectric materials.

The invention relates to an image sensing module, a treatment bed and laser lamp calibration system and a radiotherapy device, and the treatment bed and laser lamp calibration system comprises a machine head laser reference module which is arranged on a machine head of radiotherapy equipment and is used for transmitting a first reference laser beam, and the first reference laser beam is parallel to the Z axis of a three-dimensional coordinate system; the rack laser reference module is arranged on the front end face of the rack of the radiotherapy equipment and used for emitting a second reference laser beam, and the second reference laser beam is parallel to the Y axis of the three-dimensional coordinate system; the positioning laser lamp modules are used for emitting positioning laser beams and located on the left side, the right side and the bed tail of the treatment bed respectively. The image sensing module is arranged on the treatment bed and used for receiving the first reference laser beam, the second reference laser beam and the positioning laser beam, and the technical problems that in the prior art, a laser lamp needs professional technical experience in combination with visual inspection debugging, the debugging result has subjectivity, and indexes cannot be specifically quantified can be solved.

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 a boiler combustion adjusting system and method based on a slag state, and the system comprises an image data sensing system which is used for detecting the contour of a slag block according to image information, matching the three-dimensional dimension of the slag block and analyzing the ash component of the slag block, so as to generate image sensing data of the slag block according to the contour, the three-dimensional dimension and the ash component; the edge-cloud collaborative computing architecture is used for constructing a combustion big data platform and calculating the theoretical slag quantity under the current combustion working condition by utilizing the combustion big data platform; and the combustion optimization decision execution system is used for determining the abnormal condition of combustion of the hearth on the basis of the difference value between the theoretical slag falling amount and the actual slag falling amount, and adjusting at least one combustion parameter of the primary air volume, the rotating speed of the coal mill, the air distribution mode and the soot blowing system. According to the embodiment of the invention, a perception-analysis-execution integrated framework is constructed, and targeted strategy optimization is carried out on the combustion abnormal working condition based on parameters such as the slag falling amount, the slag block falling position and components.

A method of an image sensor circuit includes: providing an event camera comprising at least one pixel unit; using the event camera to sense at least one current pixel value of the at least one pixel unit to detect whether at least one pixel value changes; when the at least one pixel value changes, using the event camera to trigger the digital processing circuit when the digital processing circuit is in a power saving mode and transmit information of the at least one pixel value to the digital processing circuit.

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.

The invention discloses a readout circuit and a readout system for image sensing and solid-state imaging equipment, and relates to the technical field of image sensing readout, and the readout circuit comprises a pixel array unit which is 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 invention, 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 is counteracted with the parasitic impedance influencing 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 optical imaging lens adapted to limited working distance is disclosed. The optical imaging lens includes a first, a second, a third, a fourth, a fifth, a sixth lens elements and an image sensing element sequentially along an optical axis from an object-side to an image-side. The first to the sixth lens element each includes an object-side surface facing toward an object-side as well as an image-side surface facing toward an image-side. The first lens element is a wide-angle lens element. The second to the sixth lens element are a combination of aspherical lens element, molded glass lens element, and free-form surface lens element. A field of view of the optical imaging lens is greater than or equal to 100 degrees, and the optical imaging lens is a wide-angle lens.

An image sensing device includes a semiconductor substrate; unit pixels supported by the semiconductor substrate to detect light incident to the unit pixels and to convert detected light into pixel signal, and an inter-pixel isolation structure disposed between adjacent unit pixels to physically isolate the adjacent unit pixel from each other. Each unit pixel includes photoelectric conversion elements, an inner-pixel isolation structure disposed between adjacent photoelectric conversion elements within the unit pixel and at least one overflow path configured to interconnect the photoelectric conversion elements within the unit pixel, and wherein each unit pixel is shaped in a triangular shape when viewed in a plane.

The present invention provides a door for a home appliance, comprising: a door main body disposed in front of a housing space of the home appliance; the image acquisition module is arranged on the door main body and faces the accommodating space; the image acquisition module comprises an image sensing device for acquiring an image of the accommodating space; and an illumination device that irradiates light to the storage space.

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.

Disclosed herein are systems and methods including polarization sorting metasurface microlens array devices. In certain embodiments, a polarization imaging device is provided. The polarization imaging device includes: a source of image light; a metasurface lenslet array comprising a plurality of repeating metasurface lenslets, where the plurality of repeating metasurface lenslets comprise a plurality of first metasurface lenslets configured to diffract the image light into a first polarization light in a first direction and a second polarization light in a second direction; an image sensor positioned in the optical path of the first polarization light and the second polarization light, and where the image sensor includes a plurality of image sensing units including a first image sensing unit positioned to sense the first polarization light and a second image sensing unit positioned to sense the second polarization light.