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40results about How to "No need to measure target size" patented technology
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Three-dimensional model splicing equipment and three-dimensional model splicing method
ActiveCN111292239AImprove compositing speed and compositing accuracyStrong applicabilityGeometric image transformation3D-image renderingNuclear medicineImage acquisition
The invention provides a multi-region three-dimensional model generation method and device. The method comprises the following steps: acquiring multiple groups of images A of a first region of a target object by using an image acquisition device; acquiring a plurality of groups of images B of a second region of the target object; acquiring a plurality of groups of images C of a third region of thetarget object by using the image acquisition device; wherein the third region is a region where the first region and the second region of the target object are connected; wherein the multiple groupsof images A, the multiple groups of images B and the multiple groups of images C can be used for synthesizing a target object 3D model. It is proposed for the first time that complete information of atarget object is collected in a transition collection mode, so that real 3D model construction is achieved, and three-dimensional information of the real volume range of the target object is obtainedinstead of only three-dimensional information of the surface of the target object. And more information (such as thickness) of the target object can be measured.
Owner:天目爱视(北京)科技有限公司
Hand intelligent 3D information acquisition and measurement device
ActiveCN111351447ASynthesis speedImprove synthesis accuracyCharacter and pattern recognitionDiagnostic recording/measuringMeasuring equipmentEngineering
The invention provides a hand intelligent 3D information acquisition and measurement device and method. The acquisition and measurement device comprises an image acquisition device and a bearing plate, and the image acquisition device and the bearing plate are oppositely arranged; the bearing plate is used for bearing hands; the image acquisition device is arranged on the rotating device, and an included angle gamma is formed between the optical axis of the image acquisition device and the rotating plane. A mode of forming an included angle between a camera optical axis and a rotating plane isproposed for the first time to simultaneously improve the synthesis speed and synthesis precision of the hand 3D model. By optimizing the positions of pictures acquired by the camera, it is guaranteed that the 3D synthesis speed and synthesis precision of the hand can be improved at the same time; and when the position is optimized, angle measurement and target size measurement are not needed, sothat the applicability is higher.
Owner:天目爱视(北京)科技有限公司
Close-range target object 3D acquisition equipment
ActiveCN111076674AIncrease compositing speedHigh precisionTelevision system detailsColor television detailsAcquisition apparatusRelative motion
The invention provides close-range target object 3D acquisition equipment. The equipment comprises an acquisition region moving device for driving an acquisition region of an image acquisition deviceto move relative to a target object and the image acquisition device for acquiring a group of images of the target object through the relative movement; the acquisition position of the image acquisition device meets a preset condition. A 3D collection and synthesis method for tiny objects is provided for the first time. With a mode of arranging a background plate to rotate together, the synthesisspeed and the synthesis precision can be improved at the same time.
Owner:天目爱视(北京)科技有限公司
Camera used in 3D acquisition system and camera selection method
ActiveCN110986770AIncrease compositing speedHigh precisionUsing optical meansRadiologyRelative motion
The invention provides an image acquisition device for 3D information acquisition and a selection method thereof. The image acquisition device is applied to 3D information acquisition equipment. The 3D information acquisition equipment comprises an acquisition area moving device used for driving an acquisition area of the image acquisition device to move relative to a target object, and the imageacquisition device used for acquiring a group of images of the target object through the relative movement, wherein the image acquisition device satisfies a preset condition. The invention proposes for the first time that the synthesis speed and the synthesis precision are improved simultaneously by selecting an appropriate camera; and when the camera is selected, angle measurement and target sizemeasurement are not needed, so that the applicability is higher.
Owner:天目爱视(北京)科技有限公司
Calibration device and method based on multi-laser distance measurement and angle measurement
ActiveCN111442721ASynthesis speedImprove synthesis accuracyImage analysisUsing optical meansLaser rangingLight beam
The embodiment of the invention provides a calibration device and a calibration method in 3D modeling. The method comprises the following steps: (1) projecting a plurality of light beams to a target object through the calibration device, and forming a plurality of light spots, i.e., calibration points, on the surface of the target object; (2) respectively carrying out distance measurement and angle measurement on the calibration points by utilizing a distance measurement module and an angle measurement module in the calibration device; (3) by taking the calibration device as an original point,calculating the coordinate of each calibration point according to the distance measurement value and the angle measurement value; and (4) determining the coordinates of a 3D model of the target object. The absolute size calibration for the target object is realized through the method of carrying out laser distance measurement and angle measurement on a plurality of points.
Owner:天目爱视(北京)科技有限公司
3D acquisition equipment for tiny target object
ActiveCN111398274AAvoid the problem of rotating out of viewEasy to operateImage enhancementImage analysisComputer hardwareAcquisition apparatus
The invention provides acquisition equipment for a tiny target object. The acquisition equipment comprises an image acquisition device, a micro-motion device and an objective table. The micro-motion device comprises a rotary disc and a swing disc, spacers are arranged between the rotary disc and the swing disc, and the spacers rotate along with the rotary disc so as to drive the swing disc to swing near a reference plane. The image acquisition device is arranged on the swing disc. A structure suitable for acquisition around a tiny object is provided for the first time, and the problem of rotating out of view is avoided.
Owner:天目爱视(北京)科技有限公司
Foot intelligent 3D information acquisition and measurement equipment
ActiveCN110973763AReduce the burden of rotationImprove synthesis accuracyFoot measurement devicesMeasuring equipmentEngineering
The invention provides foot intelligent 3D information acquisition and measurement equipment which comprises an image acquisition device and a background plate, and is characterized in that the imageacquisition device and the background plate are oppositely arranged and synchronously rotate; the background plate and the image acquisition device are kept oppositely arranged in the rotating process, so that the background plate becomes a background pattern of an image acquired by the image acquisition device during acquisition; and the image acquisition device and the background plate rotate around feet. The mode that the background plate rotates along with a camera is added for the first time to improve the synthesis speed and the synthesis precision of a foot 3D model at the same time. Byoptimizing the size of the background plate, while the rotating burden is reduced, it is guaranteed that the foot 3D synthesis speed and the foot 3D synthesis precision can be improved at the same time.
Owner:天目爱视(北京)科技有限公司
3D model rapid construction method based on image screening
ActiveCN111325780AReduce computational difficultyReduce computing timeImage enhancementDetails involving processing stepsComputer graphics (images)Engineering
The embodiment of the invention provides an image matching method in a three-dimensional model construction process. The method comprises the steps of 1, determining a to-be-matched source image n; step 2, screening images n-1... N-m and n + 1... N + m adjacent to the source image n; 3, performing matching calculation on the screened 2m + 1 images; and step 4, repeating the steps 2-3 on the rest to-be-matched source images, and finally completing matching of all the images. For the first time, aiming at a scheme of surrounding collection of a target object with a limited volume, a mode of screening adjacent pictures is proposed to reduce the calculation difficulty and time of a matching algorithm, and the synthesis speed and precision are considered.
Owner:天目爱视(北京)科技有限公司
Microscopic three-dimensional information acquisition equipment
ActiveCN113267141AAvoid the problem of rotating out of viewEasy to operateUsing optical meansStereoscopic photographyMechanical engineeringField of view
The invention provides microscopic three-dimensional information acquisition equipment. The microscopic three-dimensional information acquisition equipment comprises an image acquisition device, a micro-motion device and an objective table; wherein the micro-motion device comprises a rotating disc and a swing disc, a spacer is arranged between the rotating disc and the swing disc, and the spacer rotates along with the rotating disc so as to drive the swing disc to swing near a reference plane; and the image acquisition device is arranged on the swinging disc. A structure suitable for collecting surrounding tiny objects is provided for the first time, and the problem of rotating out of the view is avoided.
Owner:TIANMU AISHI (BEIJING) TECH CO LTD
Food intelligent production equipment and method
ActiveCN111329094AIncrease compositing speedHigh precisionUsing optical meansFood shapingProcess engineeringIngested food
Owner:天目爱视(北京)科技有限公司
A 3D acquisition device for close-range objects
ActiveCN111076674BIncrease compositing speedHigh precisionTelevision system detailsColor television detailsAcquisition apparatusComputer graphics (images)
The present invention provides a short-distance target object 3D acquisition device, an acquisition area moving device, which is used to drive the acquisition area of the image acquisition device to generate relative motion with the target object; the image acquisition device is used to acquire a set of target objects through the relative movement Image; the collection position of the image collection device meets the preset conditions. For the first time, a 3D acquisition and synthesis method for tiny objects is proposed. By setting the background plate to rotate together, it is guaranteed that the synthesis speed and synthesis accuracy can be improved at the same time.
Owner:天目爱视(北京)科技有限公司
Three-dimensional model generation method for background plate synchronous rotation collection
ActiveCN112016570AIncrease compositing speedHigh precisionImage enhancementImage analysisPoint cloudAcquisition apparatus
The invention provides a three-dimensional model generation method for background plate synchronous rotation collection. The method comprises the following steps: step 1, collecting multiple groups ofimages of a target object by using 3D information collection equipment; 2, performing image enhancement processing on all the input photos; 3, feature point extraction is carried out on all input images, feature point matching is carried out, and sparse feature points are obtained; 4, inputting matched feature point coordinates, and resolving the position and attitude data of the sparse human face three-dimensional point cloud and the image collection device to obtain model coordinate values of the three-dimensional point cloud and the position of the sparse target object model; by taking thesparse feature points as initial values, carrying out dense matching on the multi-view images to obtain dense point cloud data; 5, reconstructing the curved surface of the target object by using thedense point cloud; and 6, performing texture mapping on the target object model. The mode that the background plate rotates along with the camera is added to be matched with the optimized algorithm toimprove the synthesis speed and the synthesis precision for the first time.
Owner:TIANMU AISHI (BEIJING) TECH CO LTD
A 3D Model Generation Method
ActiveCN111028341BIncrease compositing speedHigh precisionImage enhancementImage analysisTarget surfacePoint cloud
The invention provides a three-dimensional model generation method comprising: the first step: using 3D information collection equipment to collect multiple groups of images of the target object; the second step: performing image enhancement processing on all input photos; the third step: performing image enhancement processing on all input photos Extract feature points from the image, and perform feature point matching to obtain sparse feature points; the fourth step: input the matched feature point coordinates, solve the sparse 3D point cloud of the face and the position and attitude data of the image acquisition device, and obtain Sparse target model 3D point cloud and model coordinate value of position; use sparse feature points as the initial value, perform dense matching of multi-view images, and obtain dense point cloud data; Step 5: use dense point cloud to reconstruct the target surface; Step 6: Carry out texture mapping on the target model. For the first time, it is proposed to increase the synthesis speed and synthesis accuracy by adding the way that the background plate rotates with the camera to cooperate with the optimized algorithm.
Owner:天目爱视(北京)科技有限公司
A long-distance calibration method in 3D modeling
ActiveCN111429523BAchieving Absolute Dimensional CalibrationIncrease compositing speedImage enhancementDetails involving processing stepsFar distanceAcquisition apparatus
The present invention provides a calibration method in 3D modeling, (1) collect the image of object A; (2) move and / or rotate the collection device until object B enters the collection range, during the movement and / or rotation process of the collection device (3) Collect images of object B; where object A and object B are not in the field of view of the acquisition device at the same time; object A is the calibration object, and object B is the target object; or object A is the target object , the object B is the calibration object; there are multiple calibration points on the calibration object; the coordinates of the target object are calibrated according to the coordinates of the multiple calibration points. Absolute size calibration of long-distance target objects is achieved by continuous shooting during movement or rotation.
Owner:天目爱视(北京)科技有限公司
A smart device based on identity association
ActiveCN111368700BImprove uniquenessImprove securityTelevision system detailsUser identity/authority verificationBiological bodySoftware engineering
The invention provides an intelligent device with a three-dimensional identity mark and a method. The three-dimensional identity mark is located on the intelligent device; the three-dimensional identity mark is obtained from the three-dimensional shape information of a biological body; the intelligent device and the biological body are related. For the first time, it is proposed to use the unique 3D model of the host as the identity association of the smart device, which improves the uniqueness, security and directness of the identity.
Owner:天目爱视(北京)科技有限公司
A three-dimensional model size calibration device and method
ActiveCN112465960BIncrease compositing speedHigh precisionDetails involving processing stepsImage enhancementPattern recognitionComputer graphics (images)
The embodiment of the present invention provides a three-dimensional model size calibration device and method: a plurality of marker points are set on the target object or around the target object; an image acquisition device, the acquisition area of which moves with the target object to acquire multiple images of the target object , at least a part of the plurality of images includes landmarks; the processor synthesizes a 3D model of the target object according to at least a part of the plurality of images, and recognizes the landmarks in the at least a part of the images, and according to the landmarks The coordinates or dimensions of the points are used to obtain the coordinates or dimensions of the 3D model of the target. The calibration efficiency is improved by optimizing the shape of the calibration mark.
Owner:天目爱视(北京)科技有限公司
A device and method for obtaining 3D coordinates and dimensions of objects during motion
ActiveCN111462213BAchieving Absolute Dimensional CalibrationIncrease compositing speedImage enhancementDetails involving processing stepsPoint cloudAcquisition apparatus
The embodiment of the present invention provides a collection device and method in 3D modeling, (1) using the collection device to collect multiple images of the target object; (2) the calibration device to obtain the position and location of the collection device when the collection device collects each image Attitude information; (3) The processor synthesizes the 3D model of the target object according to the above-mentioned multiple images, and at the same time obtains the 3D coordinates corresponding to the image points with the same name according to the position and posture information of the acquisition device, thereby obtaining a 3D model point cloud with accurate 3D coordinates. The absolute size calibration of the target object is realized through the method of obtaining the camera position and attitude, and the calculation method of the image point of the same name is adopted, so there is no need to place the calibration object on the target object in advance, or project the calibration point.
Owner:天目爱视(北京)科技有限公司
A three-dimensional model splicing device and method
ActiveCN111292239BRealize acquisitionIncrease compositing speedGeometric image transformation3D-image renderingRadiologyNuclear medicine
The invention provides a multi-region three-dimensional model generation method and device. The method comprises the following steps: acquiring multiple groups of images A of a first region of a target object by using an image acquisition device; acquiring a plurality of groups of images B of a second region of the target object; acquiring a plurality of groups of images C of a third region of thetarget object by using the image acquisition device; wherein the third region is a region where the first region and the second region of the target object are connected; wherein the multiple groupsof images A, the multiple groups of images B and the multiple groups of images C can be used for synthesizing a target object 3D model. It is proposed for the first time that complete information of atarget object is collected in a transition collection mode, so that real 3D model construction is achieved, and three-dimensional information of the real volume range of the target object is obtainedinstead of only three-dimensional information of the surface of the target object. And more information (such as thickness) of the target object can be measured.
Owner:天目爱视(北京)科技有限公司
A 3D collection device for tiny objects
ActiveCN111398274BAvoid the problem of rotating out of viewEasy to operateImage enhancementImage analysisAcquisition apparatusComputer graphics (images)
The present invention provides a kind of tiny object acquisition equipment, comprising image acquisition device, micro-motion device, stage; wherein micro-motion device comprises turntable and oscillating disk, and spacer is arranged between turntable and oscillating disk, and spacer follows turntable Rotate, so as to drive the oscillating plate to oscillate near the reference plane; the image acquisition device is arranged on the oscillating plate. For the first time, a structure suitable for collecting around tiny objects is proposed, which avoids the problem of rotating out of the field of view.
Owner:天目爱视(北京)科技有限公司
A method of rapid construction of 3D model based on image screening
ActiveCN111325780BReduce computational difficultyReduce computing timeImage enhancementDetails involving processing stepsComputer graphics (images)Source image
An embodiment of the present invention provides a method for image matching in the process of building a three-dimensional model, including: step 1: determining the source image n to be matched; step 2: screening images n-1...n-m adjacent to the source image n and n+1...n+m; Step 3: Perform matching calculation on the selected 2m+1 images; Step 4: Repeat the above steps 2-3 for the remaining source images to be matched, and finally complete the matching of all images. For the first time, it is the first time for the surrounding acquisition scheme of the limited target object, and proposes to reduce the calculation difficulty and time of the matching algorithm by screening adjacent pictures, taking into account the synthesis speed and accuracy.
Owner:天目爱视(北京)科技有限公司
A calibration device and method based on multi-laser ranging and angle measurement
ActiveCN111442721BAchieving Absolute Dimensional CalibrationIncrease compositing speedImage analysisUsing optical meansLaser rangingLight beam
Embodiments of the present invention provide a calibration device and method in 3D modeling, (1) using a calibration device to project multiple light beams to a target, and forming multiple light spots on the surface of the target, which are calibration points; (2) Utilize the distance measurement module and the angle measurement module in the calibration device to measure the distance and angle of the calibration points respectively; (3) take the calibration device as the origin, calculate the coordinates of each calibration point according to the above-mentioned distance measurement value and angle measurement value; (4) Thereby determining the coordinates of the 3D model of the target object. The absolute size calibration of the target object is realized by performing laser ranging and angle measurement on multiple points.
Owner:天目爱视(北京)科技有限公司
Intelligent service processing equipment based on biological 3D information
ActiveCN111160137AGuaranteed accuracyGuaranteed false positive rateComplete banking machinesAutomatic teller machinesPasswordEngineering
The invention provides intelligent service processing equipment based on biological 3D information. The intelligent service processing equipment comprises: a biological information acquisition modulewhich is used for acquiring user biological feature data; a client information authentication module which is used for realizing client identity authentication according to a comparison result of theobtained three-dimensional data and standard three-dimensional data; and a client operation module which is used for providing service interaction for the user. Human physiological characteristics areused as a payment medium to replace an entity card for the first time; and the specific 3D acquisition and recognition system ensures the accuracy and misjudgment rate of authentication, so that thehuman physiological characteristics are supported to serve as payment media, participation of entity cards, passwords and the like is not needed, and the system is more friendly to users and convenient to use.
Owner:天目爱视(北京)科技有限公司
A camera and camera selection method used in a 3D acquisition system
ActiveCN110986770BIncrease compositing speedHigh precisionUsing optical meansRadiologyRelative motion
The invention provides an image acquisition device for 3D information acquisition and a selection method thereof. The image acquisition device is applied to 3D information acquisition equipment; the 3D information acquisition equipment includes: an acquisition area moving device, which is used to drive the acquisition of the image acquisition device The area and the target object generate relative motion; the image acquisition device is used to collect a group of images of the target object through the above-mentioned relative motion; the image acquisition device satisfies preset conditions. For the first time, it is proposed to improve both synthesis speed and synthesis accuracy by selecting a suitable camera. When choosing a camera, there is no need to measure the angle, no need to measure the target size, and the applicability is stronger.
Owner:天目爱视(北京)科技有限公司
A Method for Seamless Texture Mapping of 3D Models Based on Histogram Matching
ActiveCN111340959BImprove texture accuracyShorten operation timeImage enhancementUsing optical meansReference imageHistogram matching
The invention provides a method for texture mapping in the process of building a three-dimensional model. By obtaining the original image and its coordinates corresponding to the triangular surface grid data; the visibility analysis of the triangular surface of the reconstructed model; Optimizing the reference image and the neighborhood topological relationship of the triangular faces, clustering the triangular faces into several reference texture patches; automatically sorting the texture patches to generate texture images; taking the histogram of the texture patch of a triangular face as a benchmark, comparing For the texture patch adjacent to the triangular surface, perform histogram matching, and change the pixel gray value of the texture patch of the adjacent triangular surface; perform step 5 on the texture patch of all triangular surfaces and the texture patch of its adjacent triangular surface; Weighted fusion of pixels to generate the entire texture image. For the first time, it is proposed to improve the texture accuracy and reduce the calculation time through the histogram matching method for the surrounding acquisition scheme of the target with limited volume.
Owner:天目爱视(北京)科技有限公司
Calibration method for 3D modeling of long-distance target object based on continuous shooting
ActiveCN113327291AAchieving Absolute Dimensional CalibrationIncrease compositing speedImage enhancementDetails involving processing stepsFar distanceAcquisition apparatus
The invention provides a calibration method for 3D modeling of a long-distance target object based on continuous shooting. The calibration method comprises the following steps: (1) selecting a calibration object A which is arranged at a distance away from a target object B; (2) shooting a plurality of images of the calibration object A by using acquisition equipment; (3) moving and / or rotating the whole acquisition equipment, and continuously shooting until the target object B is moved and / or rotated to enter the field of view of the acquisition equipment; (4) acquiring a plurality of images of the target object B by the acquisition equipment; wherein a plurality of calibration points are arranged on the calibration object; and calibrating the coordinates of the target object according to the coordinates of the plurality of calibration points. According to the method, absolute size calibration of a long-distance target object is achieved through a continuous shooting method in the moving or rotating process.
Owner:TIANMU AISHI (BEIJING) TECH CO LTD
A 3D intelligent vision device
ActiveCN111060008BImprove adaptabilityIncrease compositing speedUsing optical meansComputer graphics (images)Optical axis
Owner:天目爱视(北京)科技有限公司
A foot intelligent 3D information collection and measurement device
ActiveCN110973763BIncrease compositing speedHigh precisionFoot measurement devicesPhysical medicine and rehabilitationEngineering
The invention provides foot intelligent 3D information acquisition and measurement equipment which comprises an image acquisition device and a background plate, and is characterized in that the imageacquisition device and the background plate are oppositely arranged and synchronously rotate; the background plate and the image acquisition device are kept oppositely arranged in the rotating process, so that the background plate becomes a background pattern of an image acquired by the image acquisition device during acquisition; and the image acquisition device and the background plate rotate around feet. The mode that the background plate rotates along with a camera is added for the first time to improve the synthesis speed and the synthesis precision of a foot 3D model at the same time. Byoptimizing the size of the background plate, while the rotating burden is reduced, it is guaranteed that the foot 3D synthesis speed and the foot 3D synthesis precision can be improved at the same time.
Owner:天目爱视(北京)科技有限公司
A mobile terminal with a lifting and rotating 3D acquisition device
ActiveCN111050154BSolving Synthetic DifficultiesAdd 3D acquisition functionTelevision system detailsColor television detailsData connectionEngineering
Owner:天目爱视(北京)科技有限公司
An iris intelligent 3D information collection and measurement device
ActiveCN111310661BReduce volumeIncrease compositing speedAcquiring/recognising eyesThree-dimensional object recognitionComputer graphics (images)Engineering
The embodiment of the present invention provides an iris 3D information collection and measurement device, including an image collection device, a rotation device, an X orbit, and a Y orbit; The device is located behind the image acquisition device, facing away from the direction of the iris; the X track and the Y track are used to carry the image capture device, and enable the image capture device to slide on them simultaneously, and the compound motion trajectory is a curve. For the first time, it is proposed that through the cooperation of the rotating shaft and the two-dimensional guide rail, the concave motion trajectory of the camera suitable for iris collection can be realized without increasing the volume of the device.
Owner:天目爱视(北京)科技有限公司
A 3D model construction and measurement method based on coordinate measurement
ActiveCN111238374BAchieving Absolute Dimensional CalibrationIncrease compositing speedUsing optical means3D modellingPattern recognitionLaser ranging
The embodiment of the present invention provides a 3D modeling device and method with coordinate information, (1) using the acquisition device to collect multiple images of the target object; (2) determining multiple specific points from the above multiple images; (3) Find the corresponding point on the target according to the specific point in the image as a calibration point; measure the coordinates of the calibration point on the target; (4) use the coordinates of the above multiple images and calibration points to construct a three-dimensional model with coordinate information. The absolute size calibration of the target object is realized by performing laser ranging and angle measurement on multiple points.
Owner:天目爱视(北京)科技有限公司
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