404 results about "Cad system" patented technology

CAD (computer-aided diagnosis) systems and applications for breast imaging are provided, which implement methods to automatically extract and analyze features from a collection of patient information (including image data and / or non-image data) of a subject patient, to provide decision support for various aspects of physician workflow including, for example, automated diagnosis of breast cancer other automated decision support functions that enable decision support for, e.g., screening and staging for breast cancer. The CAD systems implement machine-learning techniques that use a set of training data obtained (learned) from a database of labeled patient cases in one or more relevant clinical domains and / or expert interpretations of such data to enable the CAD systems to “learn” to analyze patient data and make proper diagnostic assessments and decisions for assisting physician workflow.

A method for producing orthodontic aligners uses a CAD system to modify a digital model of the patient's oral anatomy to incorporate features that accommodate attachment of aligner auxiliaries to the completed aligner(s).

Uterine cervical cancer Computer-Aided-Diagnosis (CAD) according to this invention consists of a core processing system that automatically analyses data acquired from the uterine cervix and provides tissue and patient diagnosis, as well as adequacy of the examination. The data can include, but is not limited to, color still images or video, reflectance and fluorescence multi-spectral or hyper-spectral imagery, coherent optical tomography imagery, and impedance measurements, taken with and without the use of contrast agents like 3-5% acetic acid, Lugol's iodine, or 5-aminolevulinic acid. The core processing system is based on an open, modular, and feature-based architecture, designed for multi-data, multi-sensor, and multi-feature fusion. The core processing system can be embedded in different CAD system realizations. For example: A CAD system for cervical cancer screening could in a very simple version consist of a hand-held device that only acquires one digital RGB image of the uterine cervix after application of 3-5% acetic acid and provides automatically a patient diagnosis. A CAD system used as a colposcopy adjunct could provide all functions that are related to colposcopy and that can be provided by a computer, from automation of the clinical workflow to automated patient diagnosis and treatment recommendation.

CAD (computer-aided diagnosis) systems and applications for cardiac imaging are provided, which implement methods to automatically extract and analyze features from a collection of patient information (including image data and / or non-image data) of a subject patient, to provide decision support for various aspects of physician workflow including, for example, automated assessment of regional myocardial function through wall motion analysis, automated diagnosis of heart diseases and conditions such as cardiomyopathy, coronary artery disease and other heart-related medical conditions, and other automated decision support functions. The CAD systems implement machine-learning techniques that use a set of training data obtained (learned) from a database of labeled patient cases in one or more relevant clinical domains and / or expert interpretations of such data to enable the CAD systems to “learn” to analyze patient data and make proper diagnostic assessments and decisions for assisting physician workflow.

The invention provides systems and methods for detection, grading, scoring and tele-screening of cancerous lesions. A complete scheme for automated quantitative analysis and assessment of human and animal tissue images of several types of cancers is presented. Various aspects of the invention are directed to the detection, grading, prediction and staging of prostate cancer on serial sections / slides of prostate core images, or biopsy images. Accordingly, the invention includes a variety of sub-systems, which could be used separately or in conjunction to automatically grade cancerous regions. Each system utilizes a different approach with a different feature set. For instance, in the quantitative analysis, textural-based and morphology-based features may be extracted at image- and (or) object-levels from regions of interest. Additionally, the invention provides sub-systems and methods for accurate detection and mapping of disease in whole slide digitized images by extracting new features through integration of one or more of the above-mentioned classification systems. The invention also addresses the modeling, qualitative analysis and assessment of 3-D histopathology images which assist pathologists in visualization, evaluation and diagnosis of diseased tissue. Moreover, the invention includes systems and methods for the development of a tele-screening system in which the proposed computer-aided diagnosis (CAD) systems. In some embodiments, novel methods for image analysis (including edge detection, color mapping characterization and others) are provided for use prior to feature extraction in the proposed CAD systems.

CAD (computer-aided decision) support systems, methods and tools for medical imaging are provided, which use machine learning classification for automated detection and marking of regions of interest in medical images. Machine learning methods are used for adapting / optimizing a CAD process by seamlessly incorporating physician knowledge into the CAD process using training data that is obtained during routine use of the CAD system.

CAD (computer-aided diagnosis) systems and applications for cardiac imaging are provided, which implement methods to automatically extract and analyze features from a collection of patient information (including image data and / or non-image data) of a subject patient, to provide decision support for various aspects of physician workflow including, for example, automated assessment of regional myocardial function through wall motion analysis, automated diagnosis of heart diseases and conditions such as cardiomyopathy, coronary artery disease and other heart-related medical conditions, and other automated decision support functions. The CAD systems implement machine-learning techniques that use a set of training data obtained (learned) from a database of labeled patient cases in one or more relevant clinical domains and / or expert interpretations of such data to enable the CAD systems to “learn” to analyze patient data and make proper diagnostic assessments and decisions for assisting physician workflow.

CAD (computer-aided diagnosis) systems and applications for breast imaging are provided, which implement methods to automatically extract and analyze features from a collection of patient information (including image data and / or non-image data) of a subject patient, to provide decision support for various aspects of physician workflow including, for example, automated diagnosis of breast cancer other automated decision support functions that enable decision support for, e.g., screening and staging for breast cancer. The CAD systems implement machine-learning techniques that use a set of training data obtained (learned) from a database of labeled patient cases in one or more relevant clinical domains and / or expert interpretations of such data to enable the CAD systems to “learn” to analyze patient data and make proper diagnostic assessments and decisions for assisting physician workflow.

A geographical information system and a method are disclosed for geospatially mapping a least one parcel polygon within a geographical region and for displaying at least one specific attribute of each parcel polygon, i.e. a topological area within the given geographical region, as an attached attribute of latitude and longitude coordinates. The centroid or center point of each of the parcel polygons is determined and stored into conventional computer storage means. The latitude and longitude point feature at the centroid of each parcel polygon is established and similarly stored. A unique tax identification number, e.g. the Assessor Parcel Number (APN) or Parcel Identifier Number (PIN), is assigned to each of the point features. A correlation is then made between the unique tax identification number of the point feature to a text list of at least one attribute, e.g., the physical address of the parcel polygon, of each of the point features. This attribute becomes attached to each point feature. The resulting parcel polygon map and point features with one or more of the attached attributes can then be displayed within a GIS or CAD system to provide the user, for example, accurate locations of street addresses for use in environments that require pinpoint accuracy, such as emergency response.

A method for producing orthodontic aligners uses a CAD system to modify a digital model of the patient's oral anatomy to incorporate features that accommodate attachment of aligner auxiliaries to the completed aligner(s).

Disclosed is a parametric feature-based 3D CAD system that allows multiple users to simultaneously edit a parametric feature-based 3D CAD model consisting of 3D parts and assemblies of those parts (3D Model). Several CAD users, each using their own computer, phone, or tablet, can edit the same 3D Model at the same time. Editing may be separate and simultaneous—there is no need for users to worry about locking, checking out, or otherwise restricting each other's access to 3D Models. As a result, users see each other's changes occur in real-time, and may also identify what aspects other users are actively modifying through visible Collaboration Cues.

Restructuring a CAD-system generated design model includes receiving at a computer a command to restructure the design model. The command to restructure indicates a desired change in a hierarchical relationship of a first subset of the model's components with respect to other model components. In accordance with the command to restructure, a new hierarchical data structure can be generated. The new hierarchical data structure identifies a new hierarchical relationship between the model components. Other relationships that are changed as a result of the command to restructure are also determined and are automatically preserved subsequent to the generation of the new hierarchical relationship.

A 3D interactive construction estimating system is provided that includes a computerized interactive ERP / 3D design and estimating system for building construction projects and services. The computerized 3D interactive construction estimating system is real-time, visual, and transparent to both the customer and the manufacturer, and allows the customer to design and customize a home or other building with real-time integrated 3D virtual tour, pricing, scheduling, ordering, and financing options. The system includes an ERP system, a CAD system, and a graphical front end that provides the user with a virtual design experience.

Every type of change in a CAD generated object is automatically and chronologically protocoled so that the object directly includes an abstract description of the history of the object independent of the CAD module used. This is particularly advantageous with decentralized CAD systems in which several constructors / designers are working together on the same draft, but located in different places. At the end of a session, the object history, i.e. the changes which have taken place, are directly exported, together with the object data, into the destination system. The abstract description is in a form independent of the system used.

The invention discloses an integral impeller 5-axis machining method based on a UG NX system platform and relates to a technical scheme of a 5-axis numerical control processing technology for an integral impeller researched and developed under a UGNX 7.5 computer-aided design (CAD) system platform. The method comprises using a reversal design technique under the UGNX 7.5 CAD system platform to obtain compressor wheel digifax; acquiring corresponding data from the digifax to establish blank digifax on the digifax according to numerical control technology requirements; selecting a machine tool: using a 5-axis linkage machining center; selecting a cutter according to the geometrical shape and machining materials of an impeller and selecting the cutter with a diameter as large as possible as long as the passage dimension allows; and setting the impeller machining track: UGNX, selecting an appropriate machining method and selecting allowances for rough and finish machining, outputting 5-axis machining center machine tool machining codes for being called by the 5-axis linkage machining center.

Embodiments of the invention comprise methods and systems for modifying the geometry data of a CAD object through modification of an arbitrary cross section, the CAD object being stored within a computer aided design modeling system. The method includes receiving, from a user the position and orientation of a cross section plane, the cross section plane being arbitrarily positioned relative to the orientation of a CAD object, and wherein the arbitrarily positioned and oriented plane is intersecting the CAD object. The CAD system generates a user modifiable two dimensional cross section from the intersection of the cross section plane and the CAD object, the cross section having a plurality user modifiable control elements. Changes to the control elements are correspondingly made to the cross section plane and the CAD object.

A geographical information system and a method are disclosed for geospatially mapping a least one parcel polygon within a geographical region and for displaying at least one specific attribute of each parcel polygon, i.e. a topological area within the given geographical region, as an attached attribute of latitude and longitude coordinates. The centroid or center point of each of the parcel polygons is determined and stored into conventional computer storage means. The latitude and longitude point feature at the centroid of each parcel polygon is established and similarly stored. A unique tax identification number, e.g. the Assessor Parcel Number (APN) or Parcel Identifier Number (PIN), is assigned to each of the point features. A correlation is then made between the unique tax identification number of the point feature to a text list of at least one attribute, e.g., the physical address of the parcel polygon, of each of the point features. This attribute becomes attached to each point feature. The resulting parcel polygon map and point features with one or more of the attached attributes can then be displayed within a GIS or CAD system to provide the user, for example, accurate locations of street addresses for use in environments that require pinpoint accuracy, such as emergency response.

A method of modeling multiple material parts for additive manufacturing processes such direct metal deposition operates within the constraints of a single material CAD system. Each material is modeled separately as a single or multiple solid part, under the assumption that there are no internal multiple materials; that is, no voids for other material parts. The parts are ordered from the outer most geometry to the innermost geometry and Boolean operations are performed to calculate the final volume for each part. In use of the invention, should any design changes occur, only the parts as originally defined need to be modified, and the method is reapplied. The method is applicable to the generation of CAM cutting paths for 2½-D and 3-D geometries by pocket machining with spiral-in, spiral-out, and arbitrary direction raster tool paths using stock material with and without reflection, depending upon the geometry. Single- and multi-material files may be merged one toolpath file, and commands may be embedded for closed- or open-loop control of the fabrication process.

A conformal air defense (CAD) system is provided which is adapted to be attached externally to an aircraft as an appendage. The CAD system includes a conformal mounting adapter having an aircraft-to-adapter interface and upper adapter side. A mounting structure is provided which has an adapter interface and a mounting side, wherein the adapter interface is attached to the upper adapter side. A missile countermeasures system is mounted on the mounting side of the mounting structure. And a cover substantially encloses the countermeasures system, wherein the cover is removably fastened to the mounting side of the mounting structure.

Programmatic extraction and management of solid and surface modeling parameters from raw 3D scan data is discussed. An automated process reads raw 3D scan data and works in communication with a CAD system able to perform CAD part modeling. The user is provided with an automatic function to segment a mesh model (formed from the raw 3D scan data) into dozens of mesh regions. A graphical user interface is provided which enables a user to choose a type of the design intent along with the mesh regions from which the design intent is calculated. Each design intent is represented in a vector, a plane or a poly-line depending upon the type of design intent. In response to a user demand for the parameters of a modeling feature, a best approximation of the requested parameter value is calculated by processing the raw 3D scan data using a set of functions.

A CAD system having a plurality of clients connected by a network enables simulations to be run that reflect design information from other client CADs. A server 100 causes a computing unit 101 to reflect in a three-dimensional model generated based on design according to any given client 110-140 design data according to any other client 110-140. Then, using that three-dimensional model, the server carries out an operating simulation and transmits the simulation results to the requesting client. The client that receives the simulation results from the server 100 then displays those simulation results on a design screen.

A system and method for automatically estimating the optimized cost of a part during the course of design of the part on a computer-aided design (CAD) system by a designer. The method includes extracting parametric features of a current design from the CAD system. Manufacturing cost drivers are identified on the basis of the parametric features. The manufacturing cost drivers are translated into costs using process models. The costs are simultaneously optimized with respect to a plurality of operations within specified machine constraints using an algorithm with dynamically linked structures to obtain estimates of optimized costs and cost reasoning. An estimate of optimized costs and cost reasoning is fed back to the designer as an output display on an output device.

The invention relates to a device for selecting an area (2; 22; 32; 42; 52; 62; 72; 82) of a dental restoration body (1;71), which is depicted in a 3D representation. At least portions of the area limit are provided in the form of dental-specific lines (5, 6, 8). The aim of the invention is to carry out a dental construction of a restoration body with the aid of a CAD system, whereby certain areas of the restoration body can be selected and construction tools are provided for machining the selected area in a 3D representation. To this end, the area (2; 22; 32; 42; 52; 62; 72; 82), which is to be machined with a construction tool, can be determined by selecting dental-specific lines (5, 6, 8) or dental-specific points (7.1 7.4) or a preparation edge (4). The method is used for assigning area limits to the selected area, said area limits being provided, at least in part, in the form of dental-specific lines (5, 6, 8).

An “architecture generation engine” is operative with a CAD system to implement circuits into PLD (programmable logic device) architectures and to evaluate performances of different architectures. The architecture generation engine converts a high level, easily specified description of a PLD architecture into a highly detailed, complete PLD architecture database that can be used by a CAD toolset to map a circuit netlist into a PLD. The architecture generation engine also enables performance evaluation of a wide variety of PLD architectures for given benchmark circuits.

The invention discloses an automatic segmentation method for a lung-area CT sequence. The method is characterized by comprising the steps of 1) an image I of the lung-area CT sequence is input; 2) the image I is segmented via interactive region growth; 3) according to a segmentation result, an initial contour is obtained, and seed-point coordinates of adjacent images are calculated; 4) based on the seed-point coordinates of the image I, a present image II in the sequence is segmented via the interactive region growth in step 2; and 5) step 2, 3, 4 are repeated to determine whether all images in the CT sequence are segmented, and if no, the step 3 is turned to. The automatic segmentation method automatically calculates mapping of the seed-point areas by combining the image context object characteristic continuity of the sequence to realize sequence segmentation, thereby obtaining complete three-dimensional area data of the lung, and providing basis for VOI extraction and classification of a suspected lung tubercle for a CAD system.

A system for allowing applications to communicate data to a database on a host system run by a system administrator. In one embodiment, the system may perform several caching functions of data passing between a database and a user on a CAD system.

A method of efficiently creating an animation image data file is provided. Components of a device are modeled using a 3-D CAD system and filed. After file format conversion, the file is imported to application software for animation. The components are then assembled, a camera angle is selected, and the transparency of the components is specified. A video file is created and included in an HTML file which is a completed animation data file. A clear perspective of the device comprising complicated components can be obtained because some components created with 3-D CAD system are rendered transparent using the application software for animation.

An electronic design automation system combines features of discrete EDA / CAD systems and manufacturing systems into a monolithic system to enable a layperson to efficiently design, construct and have manufactured a specific class of custom electronic device, namely a computer processing unit with embedded software. A Graphical User Interface (GUI) is provided as the front-end to a Computer Aided Design (CAD) server that generates sophisticated control and manufacturing instructions that are delivered to a fabrication supply chain, which produces a specified device that is then transported via managed logistics into inventory and ordering systems at vendors for delivery to a designated customer.