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64 results about "Image computing" patented technology

Eye imaging apparatus and systems

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and / or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module.
Owner:VISUNEX MEDICAL SYST

Face information collection method based on camera face recognition

The invention provides a face information collection method based on camera face recognition. The method comprises the steps that: a master controller collects video data and caches the video data into a main storage device, the main controller transmits segmented video data in the main storage device to an image computing chip, the main controller receives quality parameters of face information and an face image in the segmented video data analyzed by the image computing chip, and the main controller captures a face photo and stores and uploads the face photo when the quality parameters of the face information and the face image reach preset indexes. According to the method, through adding the image computing chip to take a lot of simple face recognition work and using a general-purpose processor to obtain and upload the face photo according to a result of face identification, a bandwidth waste caused by the direct uploading of original video code stream to allow a server to carry out face recognition in the past and hardware resource waste of the server can be avoided, and the method is suitable for the simultaneous monitoring and tracking of more faces, and the monitoring effect is improved.
Owner:深圳海清智元科技股份有限公司

Biometric information processing device and biometric information processing program

Provided is a small-sized, flat, vein authentication device of high authentication accuracy by photographing a living body several times and thus obtaining as registration data plural images that are picked up at different positions. A biometric information processing device of this invention comprising an image pickup device, which picks up a vein image, an image computing unit, which processes the vein image picked up by the image pickup device, an interface on which a part of a living body to be picked up is placed, and a light source, which emits infrared light. The biometric information processing device is further comprised of a sensor unit, which detects the presence or absence of a subject picked up by the image pickup device, a unit to obtain plural images as registration data, and a unit to select optimum registration data out of images obtained as registration data.
Owner:HITACHI LTD

Vein authentication device

Provided in this invention is a vein authentication device comprising: an interface on which a part of a living body; one or more light sources for emitting infrared light; an image pickup unit for picking up a blood vessel image of the part of the living body using infrared light emitted from the light sources; an image computing unit for processing the blood vessel image picked up by the image pickup unit; and a light shielding unit for shielding infrared light emitted from the light sources and preventing the infrared light from traveling in an image pickup direction of the image pickup unit, wherein the interface has an opening opened in the image pickup direction of the image pickup unit, and wherein the light sources irradiates the part of the living body with infrared light from an image pickup side of the part of the living body.
Owner:HITACHI LTD

Three-dimensional image projection employing retro-reflective screens

Disclosed herein are three-dimensional projection systems and related methods employing two electronically controlled projectors and a retro-reflective screen. When an image is projected onto a retroreflective screen, the screen produces a known non-linear light reflection pattern. Planar image information is calculated for each projector using image computing means based on the input stereopair images and information about the projectors and the screen. In a preferred embodiment of the present invention, the projection system uses an image calculation device that uses a neural network feedback algorithm to calculate the appropriate planar image to be projected onto the screen by multiple projectors at any given moment informative and appropriate images. More than two projectors may be employed to generate multiple perspective views, to support multiple viewers, and the like. In another embodiment, the projection system includes a digital camera that provides feedback data on the output image.
Owner:NEUROK

Method and device for not damaged detecting of soil and pesticide contamination on fruit surface

The invention discloses a nondestructive testing fruit surface stool and pollutants method and device, and it uses the fruit transmission component to promote the fruit rolling forward, shooting the fluorescence image of various fruit parts; use the laser of LASER to irradiate the surface of fruits, and the fluorescence inspired by the fruit passes the lens to enter the machine installed with the filter, and the election image intensifier, and the CCD camera to collect the different wavelength fluorescence image; using the computer system image acquisition card to get the image, and using the optimized method to get the fluorescence images of three characterized wavelength, and using three typical wavelength spectral images to do the gray statistics and proportion image computing, and then, according to the calculation results, predicting pesticide residues and surface pollutants; in accordance with the instructions given by the computer signal, using high pressure jet mouth to blow the failed fruits to the poor fruit chute. The invention provides a fast NDT fruit pesticide residues and surface pollutants method and device.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Vein Authentication Device

Provided in this invention is a vein authentication device comprising: an interface on which a part of a living body; one or more light sources for emitting infrared light; an image pickup unit for picking up a blood vessel image of the part of the living body using infrared light emitted from the light sources; an image computing unit for processing the blood vessel image picked up by the image pickup unit; and a light shielding unit for shielding infrared light emitted from the light sources and preventing the infrared light from traveling in an image pickup direction of the image pickup unit, wherein the interface has an opening opened in the image pickup direction of the image pickup unit, and wherein the light sources irradiates the part of the living body with infrared light from an image pickup side of the part of the living body.
Owner:HITACHI LTD

Eye imaging apparatus and systems

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and / or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module.
Owner:VISUNEX MEDICAL SYST

Corn ear test method

The invention relates to a corn ear test method which comprises the following steps of: S1, connecting a test device; S2, initializing a test project; S3, setting the ear treatment mode, if the sample is even and orderly, entering S31 and carrying out batch processing, and if the sample is not even and orderly, entering S32 and carrying out precise processing; S4, threshing corn ears; S5, setting the cob treatment mode, if the sample is even and orderly, entering S51 and carrying out corn cob batch processing, and if the sample is not even and orderly, entering S52 and carrying out precise processing; and S6, carrying out batch processing on grains. The corn ear test method can obtain the accurate corn ear indexes, and effectively guarantees the error control in the test process; by combining software and hardware, the corn ear test method can complete the corn ear test by utilizing the image computing technology, thus well guaranteeing the consistency of data indexes, greatly improving the test efficiency and reducing the labor cost; and the original image information of the corn ears can be stored by the image technology, so that the digital resource of the corn ears can be set up.
Owner:BEIJING RES CENT FOR INFORMATION TECH & AGRI

Medium plate surface plate shape measuring system and method

The invention provides a medium plate surface plate shape measuring system and method. The system comprises an image acquisition unit, an image identification unit, an image processing unit and an image computing unit, wherein the image acquisition unit is used for collecting a steel plate image through a linear array camera; the image identification unit is connected with the image acquisition unit and used for identifying the coordinates of the steel plate region in the steel plate image; the image processing unit is connected with the image processing unit, and is used for fitting the coordinates of the steel plate regions in a plurality of steel plate images, so as to obtain a steel plate curve; the image computing unit is connected with the image processing unit, and is used for calculating the yield points of the steel plate curve. According to the medium plate surface plate shape measuring method and system, provided by the invention, a laser line source and a linear array CCD camera are adopted, not only can the function that a common width gauge measures the real-time width of a steel plate be achieved, but also the outline shape of the steel plate can be measured and characteristic yield points on the outline of the steel plate can be given, the lengths of the head and the tail of the steel plate can detected, and visual and reliable data can be provided for shearing optimization.
Owner:MCC CAPITAL ENGINEERING & RESEARCH +1

Image calculation request processing method and device and terminal equipment

The method is suitable for the technical field of data processing. The invention provides an image calculation request processing method, an image calculation request processing device and terminal equipment. The method comprises the following steps of: in the current request selection operation, taking the number of the image calculation requests corresponding to each priority in each calculationresource queue as a first number, comparing the first quantity with a corresponding preset quantity threshold value so as to determine a second quantity, determining a target priority and target computing resources according to the second quantity, and selecting a preset quantity of image computing requests using the target computing resources from a priority queue corresponding to the target priority; and arranging the selected image calculation requests at the tails of the corresponding calculation resource queues according to the priorities from high to low, and executing the next requestselection operation after the preset duration. According to the method, the problems that computer resources cannot be reasonably utilized, the system performance is influenced, and the system performance is possibly reduced and even collapsed in an existing image calculation request processing mode can be solved.
Owner:SHENZHEN INTELLIFUSION TECHNOLOGIES CO LTD

Ultrasonic diagnosis device and method capable of recognizing liver cancer automatically

The invention discloses an ultrasonic diagnosis device and a method capable of recognizing liver cancer automatically. The method includes the following steps: an area of a detected body is scanned by ultrasound, wherein the area includes at least one part of the liver; an echo signal of the liver part is obtained through an ultrasonic sending unit and an ultrasonic receiving unit; a pre-processing unit pre-amplifies the signal and converses the signal from analog to digital; a signal processing unit processes the signal with demodulation, digital scanning conversion (DSC), noise-reducing, filtering and the like; an image synthesis unit produces an ultrasonic image of the liver area; an image computing unit analyzes texture of the obtained ultrasonic image and recognizes liver cancer tissues in the image; and at last the liver cancer tissues are displayed in an image display unit. The ultrasonic diagnosis device and the method are capable of recognizing cancer tissues automatically by extracting texture features of the ultrasonic image and diagnosing the occurrence and the development of cancer assistantly. Further, the ultrasonic diagnosis device and the method are convenient and high in accuracy.
Owner:ANHUI WAYEE SCI & TECH CO LTD

Destructive web thickness measuring system of microdrills and method thereof

A destructive web thickness measuring system of microdrills includes a computer device, a dual-axis motion platform module, a drill grinding module, a positioning vision module, and a web thickness measuring vision module. When the computer device controls the dual-axis motion platform module to move a microdrill to a first locating position, the computer device performs a positioning procedure according to a first image captured by the positioning vision module, and then performs a grinding procedure, so that the drill grinding module grinds the microdrill to a sectional position to be inspected. When the ground microdrill moves to an image measuring position, the computer device performs an image computing procedure according to a second image captured by the web thickness measuring vision module, so as to obtain a web thickness value. Therefore, the destructive web thickness measuring system of microdrills can automatically measure the web thickness value.
Owner:CHANG WEN TUNG +4

System and method for synchronous experiment of caustics-digital image correlation method

The invention discloses a system and a method for synchronous experiment of a caustics-digital image correlation method. The system comprises a first LED (Light Emitting Diode) flashlight light source(1), a second LED flashlight light source (2), a capacitance charger (3), a first ultra-high speed camera (4), a second ultra-speed camera (5), a digital speckle image computing module (6), a causticspeckle computing module (7), an impact head (8), a drop hammer (9), a test loading platform (10), a laser light source (11), a delayed signal controller (15) of a caustics light path system and a test piece (26). The system integrates the advantages of two experiment methods, and various mechanical parameters such as the propagation length, the propagation speed and the propagation accelerationof propagating cracks can be measured; by comprehensively comparing and analyzing data measured by the two experiment methods, the propagation mechanism of the propagating cracks can be more accurately, scientifically and quantitatively researched.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Magnetic resonance imaging apparatus and magnetic resonance spectroscopic image computing method

An object of the invention is to obtain a magnetic resonance spectroscopic image to which the MAC summation is applied with high accuracy and in short time, even though a phase characteristic distribution of the MAC has a spatial non-uniformity, in the MRSI measurement using a magnetic resonance imaging apparatus provided with a MAC.Using a non-water-suppressed image signal with high SNR, obtained in the non-water-suppressed measurement (a reference measurement) without water suppression, a correction value for correcting the phase distortion for the MAC summation is calculated on each pixel in each coil.After correcting a phase on each pixel in each coil of a main-scan image signal measured under suppressing water (water-suppressed image signal) using the corrective value, signal adding operation (summation) is performed.Then, a phase correction in a spectrum-axis is to be performed on the summed spectrum signal.
Owner:FUJIFILM HEALTHCARE CORP

Method for reconstructing projection data sets for dose-reduced sectional spiral scanning in computed tomography

In a method and CT apparatus and software product for reconstructing incomplete projection data sets for dose-reduced sectional spiral scanning along a z axis of a patient on a table that is movable in the z direction in the CT apparatus that has a radiation source supplied with tube current so as to emit a beam that strikes a detector system to obtain scanning data from which in an image computing device generates two-dimensional and three-dimensional scanning images of the examination subject, at a pitch greater or equal to one. For z positions having an incomplete projection data set for reconstruction of the image, in a preprocessing step data from another row of this projection and / or data for a previous or subsequent 360° rotation are used to compute a complete projection data set therefor.
Owner:SIEMENS HEALTHCARE GMBH

Bandwidth-saving video transmission method

InactiveCN111246176ARealize text transmissionReduce bandwidth resourcesCharacter and pattern recognitionClosed circuit television systemsTelecommunicationsVideo transmission
The invention provides a bandwidth-saving video transmission method. According to the method, video data are deconstructed into text semantic information at a sending terminal to realize textualized transmission of key information; and the text semantic information is constructed into a reconstructed image consistent with the semantic information of an original target image at a receiving terminalbased on an image generation technology. Therefore, different forms of computing capabilities are given to each part in the communication network structure; specifically, a mode of endowing a sendingterminal with a video data feature semantic computing capability and endowing a receiving terminal with a semantic generation image computing capability is adopted, and an original local centralizedcomputing communication mode is converted into a cooperative diversity computing communication mode, so that the bandwidth and storage resources are greatly reduced, and the transmission, storage andretrieval efficiency is improved.
Owner:北京中科晶上科技股份有限公司

Biometric information processing device and biometric information processing program

Provided is a small-sized, flat, vein authentication device of high authentication accuracy by photographing a living body several times and thus obtaining as registration data plural images that are picked up at different positions. A biometric information processing device of this invention comprising an image pickup device, which picks up a vein image, an image computing unit, which processes the vein image picked up by the image pickup device, an interface on which a part of a living body to be picked up is placed, and a light source, which emits infrared light. The biometric information processing device is further comprised of a sensor unit, which detects the presence or absence of a subject picked up by the image pickup device, a unit to obtain plural images as registration data, and a unit to select optimum registration data out of images obtained as registration data.
Owner:HITACHI LTD

Magnetic resonance imaging apparatus and magnetic resonance spectroscopic image computing method

An object of the invention is to obtain a magnetic resonance spectroscopic image to which the MAC summation is applied with high accuracy and in short time, even though a phase characteristic distribution of the MAC has a spatial non-uniformity, in the MRSI measurement using a magnetic resonance imaging apparatus provided with a MAC. Using a non-water-suppressed image signal with high SNR, obtained in the non-water-suppressed measurement (a reference measurement) without water suppression, a correction value for correcting the phase distortion for the MAC summation is calculated on each pixel in each coil. After correcting a phase on each pixel in each coil of a main-scan image signal measured under suppressing water (water-suppressed image signal) using the corrective value, signal adding operation (summation) is performed. Then, a phase correction in a spectrum-axis is to be performed on the summed spectrum signal.
Owner:FUJIFILM HEALTHCARE CORP

Eye imaging apparatus and systems

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and / or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module.
Owner:VISUNEX MEDICAL SYST

Projection system, projection apparatus and calibrating method for displayed image thereof

Provided are a projection system, a projection apparatus, and a calibration method for a displayed image thereof. The calibration method includes: by a projection apparatus, projecting a calibration image to form an imaged image, wherein the calibration image has at least four identification patterns; by an image capturing apparatus, providing multi-axis angle information, and capturing a captured image including the imaged image; by an arithmetic device, calculating a reference region range in the captured image according to the multi-axis angle information, and calculating coordinate conversion information according to the identification patterns of the calibration image and identification patterns in the captured image; by the arithmetic device, calculating boundary calibration information according to reference coordinate values on the reference region range and the coordinate conversion information; and by the projection apparatus, adjusting the size of the imaged image according to the boundary calibration information and the coordinate conversion information.
Owner:CORETRONIC

Comprehensive spectral imaging method suitable for biological resource detection

The invention discloses a comprehensive spectral imaging method suitable for biological resource detection. The method is implemented based on a comprehensive spectral imager and comprises laser multi-spectral black and white calibration, terahertz scanning transmission calibration, laser multi-spectral reflection imaging, terahertz transmission scanning imaging and image computing and database building. The invention provides the super-continuum spectrum homogeneous laser source illumination method and through combination with standard black-and-white plate correction, the structural featuressuch as the structure and texture of an important biological resource sample are acquired. Through a terahertz scanning lens imaging method, the water content characteristics of the important biological resource sample are acquired. The comprehensive spectral imaging method is conducive to spectral images containing multiple information and can facilitate the important biological resource tracing, identification and protection in the import and export inspection and quarantine departments of the customs.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Exposure parameter correcting method and imaging device

The invention relates to an exposure parameter correcting method and an imaging device. The exposure parameter correcting method comprises the following steps of: according to a first light sensitivity degree and pre-set time, respectively executing an image capturing step of a capturing mode by first exposure time and second exposure time so as to obtain a first image and a second image; carrying out image calculation on the first image and the second image to obtain a differential image; and replacing the first light sensitivity degree by a second light sensitivity degree and recording the second light sensitivity degree.
Owner:ABILITY ENTERPRISE CO LTD

Rapid imaging processing system for multi-GPU parallel computing

The invention provides a rapid imaging processing system for multi-GPU parallel computing. The rapid imaging processing system comprises an acquisition module, a receiving module, a GPU group and a CPU. The acquisition module is used for acquiring echo data and sequentially processing the echo data to obtain sequential data; and the receiving module is used for receiving the sequence data and directly loading the sequential data. According to the invention, echo data are acquired through the acquisition module; echo data are processed in sequence and the processed data are sent to the receiving module; after receiving echo data, the receiving module directly loads the echo data into the GPU1 through a PCIe interface and an RDMA technology, so that echo data loading time is greatly saved and a plurality of GPUs in the GPU group are subjected to parallel processing; the topological structure among the GPUs and the parallel computing method are optimized, so that imaging computing time and the number of the GPUs are basically in a linear relationship, and the computing efficiency of the GPU group is greatly improved.
Owner:博微太赫兹信息科技有限公司

Method and device for non-invasive detecting of soil and pesticide contamination on fruit surface

The invention discloses a nondestructive testing fruit surface stool and pollutants method and device, and it uses the fruit transmission component to promote the fruit rolling forward, shooting the fluorescence image of various fruit parts; use the laser of LASER to irradiate the surface of fruits, and the fluorescence inspired by the fruit passes the lens to enter the machine installed with thefilter, and the election image intensifier, and the CCD camera to collect the different wavelength fluorescence image; using the computer system image acquisition card to get the image, and using theoptimized method to get the fluorescence images of three characterized wavelength, and using three typical wavelength spectral images to do the gray statistics and proportion image computing, and then, according to the calculation results, predicting pesticide residues and surface pollutants; in accordance with the instructions given by the computer signal, using high pressure jet mouth to blow the failed fruits to the poor fruit chute. The invention provides a fast NDT fruit pesticide residues and surface pollutants method and device.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

A Method of Repairing the Phase Error Caused by Saturation Using Phase Fusion Algorithm

ActiveCN104111038BFix phase errorExact phase valueUsing optical meansThree dimensional measurementProject structure
The invention is a method for repairing the phase error caused by saturation by using a phase fusion algorithm, and relates to how to repair the phase error caused by saturation in the field of three-dimensional measurement. Adjust the camera so that the pixels are not saturated, the projector projects a solid-color grayscale pattern on the surface of the object, and uses the camera to record the scanned image; when the camera overflows, the projector projects multiple groups of structured light patterns to scan the object, two adjacent The maximum gray value (amplitude) of the group pattern increases, and the camera records the scanned image; calculates the modulation intensity and phase of the scanned structured light image; combines the captured pure color image to normalize the modulation intensity; selects each pixel The maximum normalized modulation intensity of , and its corresponding phase is taken as the final phase. The present invention fuses by selecting the phase corresponding to the maximum normalized modulation intensity, and is not limited by the degree of saturation. When the measurement system is nonlinear, it can also effectively repair the saturation error and expand the applicable range of repairing the saturation error.
Owner:SICHUAN UNIV
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