63 results about "Interactive editing" patented technology

A computer based system and method of visualizing a region using multiple image data sets is provided. The method includes acquiring first volumetric image data of a region and acquiring at least second volumetric image data of the region. The first image data is generally selected such that the structural features of the region are readily visualized. At least one control point is determined in the region using an identifiable structural characteristic discernable in the first volumetric image data. The at least one control point is also located in the at least second image data of the region such that the first image data and the at least second image data can be registered to one another using the at least one control point. Once the image data sets are registered, the registered first image data and at least second image data can be fused into a common display data set. The multiple image data sets have different and complimentary information to differentiate the structures and the functions in the region such that image segmentation algorithms and user interactive editing tools can be applied to obtain 3d spatial relations of the components in the region. Methods to correct spatial inhomogeneity in MR image data is also provided.

The present application relates to a video recording method for recording an interactive video including at least two video segments having an interaction relationship. The method includes: displayingan interactive editing control corresponding to a first video segment obtained by recording; determining a second video clip upon receipt of a trigger operation performed on the interactive editing control and generating interactive control information indicating an interactive control point displayed on the first video clip for triggering playback of the second video clip upon receipt of a trigger operation by a user; according to the first video segment, the second video segment and the interaction control information, obtaining the interactive video. When playing one video clip in the interactive video, the user can jump to play other video clips in the same interactive video which have interaction relationship with the current video clip by triggering the interactive control point, thereby expanding the interaction mode between the user and the video.

The invention discloses a knowledge graph visual editing and persistence implementation method and system architecture. According to the method, persistence of a knowledge graph editing result is allowed to be achieved based on a specific visual knowledge graph layout file, SPARQL query and visual interactive editing are supported, and the editing result can be persisted into a universal knowledgegraph file or a visual graph layout file defined by the invention. The system architecture mainly comprises a foreground visualization map interaction module and a background map database managementmodule. According to the method, the semantic relationship between entities described in a structured manner in the knowledge graph is visually expressed by using a visualization technology; Meanwhile, the layout file of the visual knowledge graph is defined, so that a user can conveniently store and recover a visual result. According to the invention, support can be provided for realizing efficient communication and intuitive display in related work of the knowledge graph.

The invention relates to the field of garment design, discloses a 3D interactive editing and stitching method for garment CAD cut pieces, and aims to solve the problem that in the garment design, according to an emulation effect of a designed garment on a human body model, the garment needs to be repeatedly modified and redesigned. The method comprises the steps of: loading a DXF file in a garmentCAD design application and a three-dimensional human body model; extracting feature data of the garment cut pieces in the DXF file, wherein the feature data comprises information of stitching edges for forming the garment cut pieces; by an interactive tool, placing the garment cut pieces around corresponding positions of the three-dimensional human body model, and according to the information ofthe stitching edges, determining stitching edge pairs between the garment cut pieces, wherein an interactive operation is a movement operation of the garment cut pieces, which is carried out by utilizing the interactive tool; and by utilizing a stitching relationship between the stitching edge pairs of each garment cut piece, stitching each garment cut piece to generate a stitched three-dimensional garment model. Synchronous execution of garment design and emulation is implemented, and the designed garment is emulated in real time, so that garment design efficiency is improved.

The invention belongs to the technical field of digital image processing, and discloses an RGBD image ambient light editing method and system based on spherical harmonic illumination, and the method comprises the steps: carrying out the preprocessing of an inputted RGBD image to obtain a shadow-free reflectivity image, a shadow-free brightness image and a shadow image; decomposing the shadow-freebrightness image into an illumination detail image and a spherical harmonic illumination image; obtaining an adjusted spherical harmonic illumination graph through interactive editing; adjusting the shadow map according to the spherical harmonic illumination map and the adjusted spherical harmonic illumination map to obtain an adjusted shadow map; and according to the shadowless reflectance map, the adjusted spherical harmonic illumination map and the adjusted shadow map, synthesizing to obtain an RGB image edited by the ambient light and outputting the RGB image. The system comprises a preprocessing unit, a bright and dark image decomposition unit, an interactive editing unit, a shadow image adjusting unit and an image synthesis unit. The method is suitable for various conditions with complex ambient light, and can automatically estimate the ambient light in the image.

The present invention discloses a module of architecture engineering modeling and system and method thereof. The inputted architecture component describing data includes the architecture component plane locating character string because the architecture component describing data is inputted by electric worksheet. During the inputting, the system interprets the character string into geometric shape and locating point data, and generates and displays the component graphic object, and interprets the architecture component image object files into the architecture component describing data files when the system is used. The system comprises handheld PC terminals, which collect data from the blueprint and collaborate with the computer mainframe. The memory capacity of the architecture component describing data is very small so that it's simple as the data object of interactive editing, storage and transmission rather than the architecture component graphic object and can be used in networks with various transmission rate. Therefore, the present invention simplifies complex inputting process and improves the user's operating efficiency.

The invention discloses an interactive editing method for targets in reality videos of railway lines and belongs to an image and video processing method. According to the method, on the basis of a visual interface, after a certain target is artificially selected in a few frame images, the position of the target in the other frames is tracked by utilizing a method of maximizing the local feature similarity; high-precision target tracking results can be obtained through adjusting the position and the number of the artificial selection; and a template image selected for the target is inserted atthe tracked target position to complete the editing of the target.

Techniques are disclosed for interactive editing of virtual three-dimensional scenes. In the disclosed techniques, rendering is divided into (1) an interactive phase during which a user interactively edits a virtual scene while preview image frames are rendered using a modified ray tracing technique, and (2) a refinement phase during which full ray tracing is performed to show the user a final rendered image frame. The modified ray tracing technique may limit the number of bounces of light rays and/or the computations performed at each bounce, thereby reducing computational expense relative to a full ray tracing technique. Further, the modified ray tracing technique may be user-selectable and associated with a particular department within an animation studio.

The invention discloses a vector grid model-based remote sensing image information extraction method and a vector grid model-based remote sensing image information extraction system. The method comprises the following steps of constructing a vector grid model; performing feature calculation on each object in the vector grid model; training samples are collected, and supervised classification is performed on the calculated feature dimensions; calculating the difference value of the segmented pattern spots of the front and rear images in the feature dimension, judging the pattern spot with the large difference value as a suspected change area, and extracting change discovery information through vector grid interactive editing. The method has the beneficial effects that vector grid model information is browsed and checked in real time; updating the neighborhood topology index file in real time to realize automatic construction of a topology relationship; the method is applied to high-spatial-resolution remote sensing image remote sensing information interpretation and remote sensing image change information extraction, and the application requirements of different high-resolution remote sensing data source information extraction are met.

The invention discloses an interactive relighting editing method based on an RGB-D image. The method comprises the following steps of: preprocessing an input image to obtain a shadow-free reflectivity image, a bright-dark image and a shadow image; segmenting an original RGB image by using a MaskRCNN algorithm to obtain a segmentation mask of an object in a scene, and then obtaining a corresponding local depth map, a shadow-free reflectivity map and a shadow-free bright-dark map; decomposing the shadow-free bright-dark image into a global illumination detail image, a local illumination detail image and a spherical harmonic illumination image; sampling and visualizing the global spherical harmonic illumination image and the local spherical harmonic illumination image, and obtaining an adjusted global spherical harmonic illumination image and an adjusted local spherical harmonic illumination image through interactive editing; and synthesizing the global and local shadow-free reflectivity images, the adjusted spherical harmonic illumination image and the shadow image to obtain global and local RGB relighting images subjected to ambient light editing, and outputting the global and local RGB relighting images. The indoor complex scene image enhancement under a low-light condition can be effectively, conveniently and intuitively realized.

The invention provides a visual generation method of a self-adaptive combat scene. The method comprises steps of obtaining perspective projection of a current terrain visual range through a scene viewpoint; drawing the two-dimensional vector data of the current terrain on the texture bound with the terrain in real time through perspective projection so that a three-dimensional battlefield geographical environment is formed; carrying out displacement on vertexes on military mark grids according to textures bound with terrains, and rendering the vertexes into a screen frame cache to obtain a final military mark drawing result, so that visualization of battlefield situations is achieved, and self-adaptation is conducted on the battlefield environment and the battlefield situations. Accordingto the invention, visualization of battlefield situation is realized, three-dimensional terrain following of the irregular military standard can be realized, the operation efficiency is high, and thereal-time requirements of interactive editing and dynamic deduction can be met.

The invention discloses a method and a device for improving real-time rendering interaction fluency, which are used for solving the problem of how to ensure the interaction fluency and avoid scene flickering in large-scale three-dimensional scene rendering. According to the invention, a three-dimensional scene is divided into a static part and a dynamic part; wherein the static part of the scene is rendered to the background buffer area for storage during primary rendering, and the static part of the rendered scene is copied from the background buffer area to the frame buffer area during subsequent interactive editing of the dynamic part of the scene, and then the dynamic part of the scene is rendered to the frame buffer area for display. Therefore, the total rendering time is greatly reduced, the fluency of interaction is ensured, and meanwhile, the scene does not flicker.

A method for interactive image and video color editing based on layer decomposition presented by the invention mainly comprises layer color, super pixel segmentation, energy function, single pixel weight calculation, and interactive color reconstruction. The process comprises the following steps: extracting an input image or video; calculating the layer color of input pixels; calculating super pixel segmentation of the image; calculating the layer weight of each super pixel layer; calculating the weight of a single pixel in each layer through linear combination of the weights of a series of single super pixels; and reconstructing an image or video frame using a new color palette, and making real-time feedback about the change of the color palette, so as to realize interactive color reconstruction. The process of chromatographic extraction is cut down. The number of variables in linear solution is reduced. The color mixing layer can be better kept. A good overall effect is achieved in the quality and time complexity of color reconstruction. Interactive editing of images and videos is more convenient.

The invention relates to a human-computer interactive editing method for a segmentation result of volume data, belonging to the field of digital medical technology. The method includes steps: a triangular mesh model is generated and surface rendering is performed according to the segmentation result of volume data to be edited; volume rendering of volume data is performed; the results of volume rendering and surface rendering are mixed to get a unified view; the user mouse interaction is recorded to obtain the stroke line, and the light projection method is used to obtain the intersection of the extension surface and the volume data to obtain the cross-sectional mesh and display the volume data gray level; the section mesh intersects with the segmentation result mesh to obtain the intersection line; the section mesh is planarized with the intersecting lines, and the intersecting lines are edited on the 2D view; the optimization model of triangular mesh based on volume data gradient isestablished; according to the result of intersecting line editing, the objective function is decomposed and iteratively optimized, and the optimized triangular mesh vertex coordinates are obtained, which is the result of interactive editing. The method improves the segmentation precision and interactive editing precision of volume data.

The invention discloses an interactive editing method for shadow editing and highlight editing. The method is characterized by comprising the following steps: a linear illumination space is constructed after Lab decomposition of all images in a database; a nonlinear illumination space is computed and obtained; an image to be edited is subjected to the Lab decomposition to obtain a first editing image, and a first region in the first editing image is determined; a nonlinear illumination in the nonlinear illumination space which is most matched with the brightness value of the first region is computed and selected; and an image corresponding to the nonlinear illumination in the database is taken as a second editing image; a second region having a shape and a size corresponding to those of the first region is selected on the second editing image; a third region is determined by computing the boundary of the second region; the strength and the softness of the third region are regulated; and the third region and the first editing image are fused to obtain an edited image.

The invention discloses a quick building three-dimensional reconstruction method based on a two-dimensional vector diagram and a small number of elevation points, and the method comprises the steps: S100, extracting two-dimensional vector polygon data and the elevation points, wherein the elevation points comprise a ground point, an eave point and a ridge point; s200, judging the topological relation between the two-dimensional vector polygons and the corresponding relation between the two-dimensional vector polygons and the elevation points; s300, judging the main direction of the two-dimensional vector polygon and adjusting the boundary; s400, designing a building rule and judging a category of model elements; and S500, generating ridge lines and the top surfaces, the bottom surfaces andthe wall surfaces of the model elements. The two-dimensional vector data sources are diversified, and existing surveying and mapping field work, planning data, DOM data, DSM data, three-dimensional point cloud or grid data can be fully utilized; the difficulty and the efficiency of interactive editing are greatly improved, editing from two dimensions is simpler and more efficient than editing from three dimensions, and only a small number of elevation points need to be matched; the model is highly regularized and automatically regularized, and the generated model meets various constraints such as parallelism, verticality and the like.

The invention belongs to the field of geological mapping, in particular relating to a true three-dimensional modeling method for complicated faults, which is characterized in that: a complicated fault system is converted into multiple simple fault systems by using an RPBP method, and then three-dimensional modeling for the complicated fault system is realized by using the method for constructing a simple fault system model. The simple fault system refers to fault assemblages generated by the influence of independent tectonic movement at each time, and mutually-cut or mutually-staggered condition does not exist between faults; the complicated fault system refers to fault assemblages generated by the influence of multi-episodic mutually-influenced tectonic movements, and the mutually-cut and mutually-staggered and other complex conditions exist between faults. The method comprises the following basic processes: constructing ground CD-TIN, judging the type of fault and sequencing the priority of the fault modeling, generating boundary triangles, constructing a fault model and checking and interactive editing of the fault model. By the invention, the complicated fault system is converted into multiple simple fault systems, thus simplifying the difficulty of the fault modeling and ensuring the accuracy of the fault model.

In example embodiments, techniques are provided for visualizing a 3D model in an interactive editing workflow. A user modifies one or more elements of a model of the 3D model, by inserting one or more new elements having geometry, changing the geometry of one or more existing elements and/or deleting one or more existing elements having geometry. An updated view of the 3D model is then rendered to reflect the modification to the one or more elements in part by obtaining, for each new element or changed existing element of the model visible in the view, a polygon mesh that represents geometry of the individual element, obtaining a set of tiles that each include a polygon mesh that represent collective geometry of a set of elements intersecting the tile's volume, displaying the polygon mesh for each new element or changed existing element, and displaying the set of tiles while hiding any deleted or changed existing elements therein.

The invention provides an editable comprehensive simulation method and system based on three-dimensional modeling, and the method comprises the following steps of S1, building a plurality of types ofthree-dimensional models through a modeling tool, and carrying out the independent and objective management on each three-dimensional model; S2, importing a three-dimensional model, and carrying out interactive editing on the three-dimensional model; S3, constructing a plurality of simulation process node linkage response relationship models; S4, controlling other three-dimensional models to perform simulation operation according to the simulation process node linkage response relationship models; and S5, adjusting a simulation operation process through the human-computer interaction, and displaying a simulation result. The system comprises a three-dimensional scene model management module, an object model editing module, a role model editing module, a trigger event editing module, a simulation process node editing module, a simulation man-machine interaction module and a simulation effect display module. According to the method and the system, the editable and visual three-dimensionalsimulation in a specific application scene can be realized.