WO2020192175A1 - Procédé et appareil d'étiquetage de graphe tridimensionnel, dispositif, et support - Google Patents

Procédé et appareil d'étiquetage de graphe tridimensionnel, dispositif, et support Download PDF

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Publication number
WO2020192175A1
WO2020192175A1 PCT/CN2019/123248 CN2019123248W WO2020192175A1 WO 2020192175 A1 WO2020192175 A1 WO 2020192175A1 CN 2019123248 W CN2019123248 W CN 2019123248W WO 2020192175 A1 WO2020192175 A1 WO 2020192175A1
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Prior art keywords
vertex
marking
target
dimensional
frame
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PCT/CN2019/123248
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English (en)
Chinese (zh)
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叶洪
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广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Publication of WO2020192175A1 publication Critical patent/WO2020192175A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04812—Interaction techniques based on cursor appearance or behaviour, e.g. being affected by the presence of displayed objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04802—3D-info-object: information is displayed on the internal or external surface of a three dimensional manipulable object, e.g. on the faces of a cube that can be rotated by the user

Definitions

  • the embodiments of the present invention relate to the technical field of interactive smart tablets, for example, to a method, device, device, and medium for marking stereo graphics.
  • presentation software such as whiteboards
  • smart interactive devices can display solid geometry through presentation software, and most of the solid geometry displayed is "pseudo-three-dimensional".
  • presentation software uses three-dimensional graphics to show solid geometry.
  • marking vertices users usually need to drag and drop a "text box" to a vertex of solid geometry, and the user is required to enter the text box Enter the appropriate identification letter for labeling, if the user needs to enter the letter "A" for labeling.
  • standing geometry has multiple vertices, for example, for a three-dimensional square, it has eight vertices. The user needs to manually drag and drop the "text box” for each vertex one by one, then adjust the position of the "text box” and enter letters for labeling , The entire operation is time-consuming.
  • the present application provides a method, device, equipment and storage medium for annotating three-dimensional graphics to solve the technical problem of low efficiency of annotating three-dimensional graphics vertices in related technologies.
  • an embodiment of the present invention provides a method for labeling a three-dimensional figure, including:
  • the input information When the input information is received, the input information is displayed in the marking box, and the input information is used to mark the target marking vertex.
  • the method before determining the target marking vertices of the three-dimensional graphics, the method further includes: receiving a marking trigger instruction, where the marking trigger instruction is used to start a vertex marking function.
  • the determining the target labeling vertex of the three-dimensional graphic includes: determining the labeling position of each vertex of the three-dimensional graphic based on the labeling trigger instruction; and displaying the label of each vertex according to the labeling position of each vertex.
  • a frame, and a first marked frame is determined based on the displayed marked frame, so as to determine a vertex corresponding to the first marked frame as the target marked vertex.
  • determining the label position of each vertex of the three-dimensional graphic based on the label trigger instruction includes: determining the ridge projection information corresponding to each vertex of the three-dimensional graphic; determining the ridge projection information of each vertex according to the ridge projection information corresponding to each vertex.
  • the angle of the ridgeline; the label position of each vertex is determined according to the angle of the ridgeline of each vertex.
  • the determining the labeling position of each vertex according to the ridgeline included angle of each vertex includes: for each vertex, selecting a target ridgeline included angle from the ridgeline included angle of the vertex; determining the The angle bisector information corresponding to the included angle of the target ridgeline; based on the angle bisector information, the marking position of the vertex is determined on the angle bisector of the target ridgeline included angle.
  • the determining the target marking vertex of the three-dimensional graphic includes: monitoring the cursor position after receiving the marking trigger instruction; when the distance between the cursor position and any vertex position in the three-dimensional graphic is less than a preset When spacing, the vertex corresponding to the vertex position is determined as the target marking vertex of the three-dimensional graphic.
  • the method before displaying the cursor in the marking frame corresponding to the target marking vertex, the method further includes: determining ridge projection information corresponding to the target marking vertex, wherein the ridge projection information is used to determine the target marking The angle between at least two ridgelines of a vertex; select a target ridgeline angle from the at least two ridgeline angles; determine the angle bisector information corresponding to the target ridgeline angle, and the angle bisector information uses The marking position is determined on the bisector of the angle between the target ridgeline; the marking frame is displayed, and the marking frame is displayed according to the marking position.
  • the method further includes: receiving an annotation vertex switching instruction; and moving the cursor to the second mark of the three-dimensional graphic according to the annotation vertex switching instruction And replace the target marked vertex with the vertex corresponding to the second marked frame.
  • the method further includes: when a change in the three-dimensional graphic is detected, a mark frame of the vertex of the three-dimensional graphic is hidden; when the end of the change in the three-dimensional graphic is detected, the label position of the vertex after the change in the three-dimensional graphic is updated, and the The marking frame corresponding to the vertex is displayed according to the updated marking position.
  • an embodiment of the present invention also provides a three-dimensional graphic marking device, including:
  • the graphics display module is configured to display stereo graphics
  • the marking vertex determination module is configured to determine the target marking vertices of the three-dimensional graphics, and to display a cursor in a marking frame corresponding to the target marking vertices, wherein the display position of the marking frame is based on the target marking vertices The ridgeline included angle is determined;
  • the information display module is configured to display the input information in the marking box when the input information is received, and the input information is used to mark the target marking vertex.
  • an embodiment of the present invention also provides a device, including: a memory, a display screen with touch function, and one or more processors; the memory is used to store one or more programs; when the one Or more programs are executed by the one or more processors, so that the one or more processors implement the following operations:
  • the input information When the input information is received, the input information is displayed in the marking box, and the input information is used to mark the target marking vertex.
  • an embodiment of the present invention also provides a storage medium containing computer-executable instructions, when the computer-executable instructions are executed by a computer processor, they are used to execute the method for labeling stereo graphics as described in the first aspect. .
  • the target annotated vertex of the three-dimensional graphic can be determined, and a cursor is displayed in the mark box corresponding to the target annotated vertex, so that the user can input information in the mark box to mark the target annotated vertex, and
  • the display position of the marking frame corresponding to the target marking vertex is determined according to the ridge angle of the target marking vertices, and the user does not need to manually drag and drop the marking frame for the vertices to be marked, which simplifies the vertex marking operation and improves the vertex marking efficiency.
  • FIG. 1 is a flowchart of steps of a method for labeling a three-dimensional figure provided by an embodiment of the present invention
  • Fig. 2 is a step flow chart of a method for labeling a three-dimensional figure in an optional implementation of this application;
  • FIG. 3 is a schematic diagram of determining the marking frame corresponding to the target marking vertex in an example of the present application
  • FIG. 4 is a schematic diagram of the mark box where the cursor is switched in an example of the present application
  • Fig. 5 is a schematic diagram of adding a mark frame to a vertex in an example of the present application
  • Fig. 6 is a schematic diagram of a three-dimensional figure rotation in an example of the present application.
  • FIG. 7 is a structural block diagram of a device for labeling three-dimensional graphics in an embodiment of the present invention.
  • Fig. 8 is a schematic structural diagram of a device in an embodiment of the present invention.
  • Fig. 1 is a step flow chart of a method for labeling a three-dimensional figure provided by an embodiment of the present invention. This embodiment is applicable to the case of labeling three-dimensional geometric vertices.
  • the method can be executed by a three-dimensional figure labeling device. It is implemented by software and/or hardware and integrated in the device for executing the method. As shown in Fig. 1, the method may include the following steps:
  • Step 110 Display a three-dimensional graphic.
  • a three-dimensional figure may refer to a three-dimensional figure displayed by a smart interactive device.
  • the three-dimensional figure may also be called a three-dimensional geometric figure or a three-dimensional geometry, such as a cube, a cuboid, etc. displayed on a display screen.
  • the smart interactive device can display a three-dimensional graphic on the operating interface through software such as a whiteboard, so that the user can perform various operations on the three-dimensional graphic on the operating interface, such as modifying the shape of the three-dimensional graphic and moving the three-dimensional graphic.
  • the operation interface may refer to an interface that can perform various user operations.
  • the user can perform operations such as graphics drawing, graphics editing, graphics display, and graphics vertex annotation on the operation interface.
  • Step 120 Determine the target annotated vertex of the three-dimensional graphic, and display a cursor in a marker frame corresponding to the target annotated vertex, wherein the display position of the marker frame is determined according to the angle between the ridgeline of the target annotated vertex .
  • the vertices that the three-dimensional graphics currently need to be labeled can be determined according to the labeling trigger instruction as the target labeling vertex; subsequently, the target labeling vertex associated edge line can be determined
  • the ridgeline included angle is used to determine the display position of the target marking point corresponding to the mark frame based on the ridgeline included angle, and then the mark frame can be displayed on the operation interface based on the display position, and the cursor is displayed in the mark frame, so that The user can input information in the mark box to mark the target marked vertices, avoiding the trouble of dragging and dropping mark boxes for the vertices that need to be marked, which solves the need for users to drag and drop mark boxes one by one for the vertices to be marked in the related technology.
  • the resulting cumbersome operation problems provide vertex labeling efficiency.
  • the labeling trigger instruction can be used to start the vertex labeling function, so that the smart interactive device or the software in the smart interactive device can perform vertex labeling based on the vertex labeling function.
  • the embodiment of the present invention may further include: receiving an annotation trigger instruction.
  • the annotation trigger instruction can be directly submitted by the user on the operation interface, or generated based on the vertex annotation triggered by the user.
  • the annotation trigger instruction can be automatically generated after the user clicks the vertex annotation button on the software to make smart
  • the interactive device can receive the label trigger instruction.
  • the labeling trigger instruction may also be automatically generated by software or intelligent interactive equipment according to the vertex labeling requirements.
  • Step 130 When the input information is received, the input information is displayed in the marking box, and the input information is used to mark the target marking vertices.
  • the user can input information in the marking box for the target marking vertex, so that the intelligent interactive device or the software in the intelligent interactive device can receive the input information, And the input information is displayed in the marking box corresponding to the target marking vertices, so that the input information is used to label the target marking vertices to achieve the purpose of marking the vertices.
  • the embodiment of the present invention can determine the target marking vertices of the three-dimensional graphics, and display the cursor in the marking box corresponding to the target marking vertices, so that the user can input information in the marking box to mark the target vertices.
  • the display position of the mark frame corresponding to the target mark vertex is determined according to the ridge angle of the target mark vertex, and the user does not need to manually drag and drop the mark frame for the vertices to be marked, which simplifies the vertex marking operation and improves the efficiency of vertex marking.
  • mark box in the embodiment of the present invention is also called a mark box, which can be used to mark vertices, and the mark box is associated with the vertices it marks. It can be a "text box” or “text box” on the operation interface. Edit box” etc.
  • the implementation of the present invention can start the vertex labeling function based on the labeling trigger instruction after detecting the labeling trigger instruction, and can determine the labeling position of each vertex of the currently displayed three-dimensional graphic based on the labeling triggering instruction as a corresponding label for each vertex
  • the display position of the frame can further display the mark box of each vertex according to the mark position of each vertex, so that the user can input information in the mark box of each vertex to mark the vertices, so as to meet the user's vertex marking needs.
  • the foregoing determining the target marking vertex of the three-dimensional graphic may include: determining the marking position of each vertex of the three-dimensional graphic based on the marking trigger instruction; and displaying the marking frame of each vertex according to the marking position of each vertex. , And determine a first mark frame based on the displayed mark frame to determine the vertex corresponding to the first mark frame as the target marked vertex.
  • the first mark frame may refer to the mark frame of the first vertex that needs to be marked currently.
  • the first vertex that currently needs to be marked can be determined
  • the vertices are marked for the target, and the marking frame corresponding to the target marking vertex may be determined as the first marking frame, so as to mark the target marking vertices through the first marking frame.
  • FIG. 2 there is shown a step flow chart of a method for labeling a three-dimensional figure in an optional implementation of the present application, which may include the following steps:
  • Step 210 Display a three-dimensional graphic.
  • Step 220 Receive an annotation trigger instruction, where the annotation trigger instruction is used to start a vertex annotation function.
  • the user can submit a labeling trigger instruction to the smart interactive device by clicking a button or shortcut on the whiteboard software, so that the smart interactive device starts the whiteboard software according to the labeling triggering instruction
  • the vertex labeling function of enters the vertex labeling state.
  • Step 230 Determine the label position of each vertex of the three-dimensional graphic based on the label trigger instruction.
  • the embodiment of the present invention can enter the vertex labeling state, and can automatically determine the labeling position of each vertex of the three-dimensional graphic based on the received labeling trigger instruction, so as to display the label of each vertex according to the labeling position of each vertex. Box, step 240 is executed.
  • the embodiment of the present invention determines the label position of each vertex of the three-dimensional graphic based on the label trigger instruction, which may include: determining the ridge projection information corresponding to each vertex of the three-dimensional graphic; and according to the ridge corresponding to each vertex The projection information determines the ridge angle of each vertex; the label position of each vertex is determined according to the ridge angle of each vertex.
  • the ridge projection information may be used to determine the size of the ridge angle of the vertex, and may include projection information corresponding to two or more ridges of the vertex.
  • the edge line associated with each vertex of the three-dimensional figure can be found, and its direction on the two-dimensional plane can be calculated through the three-dimensional projection algorithm, as shown in Figure 3, in the projection matrix
  • the projections of the three ridgelines of the vertex P0 of M that is, the three-dimensional figure in Figure 3
  • the projection coordinates of the two vertices can be subtracted to determine the three vertex P0
  • the projection information corresponding to the ridgeline; the projection information can be vector information, which can be used to characterize the direction of the ridgeline.
  • the angle between the two vectors can be calculated using the ridge projection information, that is, the angle between every two ridges can be determined, and then the ridge can be determined.
  • the mark position of the vertex is automatically set on the angle bisector of the included angle as the display position of the mark box corresponding to the vertex, and the mark box corresponding to the vertex can be displayed according to the display position, without the user manually dragging and dropping the mark box.
  • the ridgeline angle with the largest ridgeline angle can be selected from the determined ridgeline angles as the target ridgeline angle, so as to set the display position of the mark frame of the vertex on the angle bisector of the target ridgeline angle. Therefore, it is possible to prevent the mark frame from blocking the edges or vertices of the three-dimensional graphics.
  • the foregoing determining the labeling position of each vertex according to the ridge angle of each vertex may include: for each vertex, selecting a target ridgeline included angle from the ridgeline included angle of the vertex; determining the The angle bisector information corresponding to the included angle of the target ridgeline; based on the angle bisector information, the marking position of the vertex is determined on the angle bisector of the target ridgeline included angle.
  • the first ridgeline associated with vertex P0 can be recorded as a vector v1
  • the second ridgeline associated with vertex P0 Record the ridgeline as vector v2
  • the third ridgeline associated with vertex P0 as vector v3
  • the angle between every two vectors can be calculated according to the vector dot product formula, and the calculated maximum The included angle is used as the target ridge angle of the vertex P0.
  • the included angle between each ridge projection can be calculated counterclockwise, that is, v1v2, v2v3, and v3v1 each constitute an angle, where the angle between v1v2 Maximum, and then the angle between v1v2 can be determined as the target ridge angle, and then the angle bisector of the maximum angle can be calculated according to the vector v1 and vector v2, that is, the angle bisector information corresponding to the target ridge angle can be determined .
  • the mark can be set with a fixed R value on the bisector of the maximum included angle The center of the frame, and then a fixed-size marker frame is placed on this center and displayed on the operation interface, so that the user can input information in the marker box to mark the vertex P0.
  • Step 240 Display the mark frame of each vertex according to the marking position of each vertex, and determine a first mark frame based on the displayed mark frame, and determine the vertex corresponding to the first mark frame as the target marking vertex.
  • this embodiment can automatically determine the labeling position of each vertex of the three-dimensional graphic based on the labeling trigger instruction, so as to display the mark frame of each vertex according to the labeling position of each vertex.
  • the whiteboard software can automatically display mark boxes at each vertex of the three-dimensional geometry (that is, three-dimensional graphics); and any one of the mark boxes can be selected as the first mark box from the displayed mark box, and the The vertex corresponding to the first marking box is determined as the target marking vertex. For example, positioning the input cursor in the first displayed marking box to determine the first displayed marking box as the first marking box, so that the user can mark Enter the information in the box to label the target labeled vertices.
  • Step 250 When the input information is received, display the input information in a marking box corresponding to the target annotated vertex, and the input information is used to annotate the target annotated vertex.
  • the input information when the marking frame corresponding to the target marking vertex is the first marking frame, after the user inputs information, the input information may be displayed in the first marking frame, so as to use the input information to mark the target marking vertices to satisfy the user’s requirements. Vertex labeling requirements.
  • the first mark box in this embodiment may also be a mark box other than the first displayed mark box.
  • the second or last displayed mark box may be selected as the first mark box according to the display order of the mark boxes.
  • the first marker box can also be selected in other ways, for example, the first marker box can be determined based on the cursor position.
  • the user can modify the target annotation vertices currently required to be annotated by submitting an annotation switching instruction.
  • the embodiment of the present invention may further include: receiving a marking vertex switching instruction; according to the marking vertex switching instruction, moving the cursor to the second of the three-dimensional graphic Marking the frame, and replacing the target marking vertex with the vertex corresponding to the second marking frame.
  • the annotation vertex switching instruction can be used to switch the marker frame where the cursor is located to modify the target annotation vertices currently required to be annotated
  • the annotation vertex switching instruction can be triggered by a user operation, such as a keyboard operation submitted by the user Or generated by mouse operation or touch operation.
  • the user operation may be an operation of clicking the Tab key of the keyboard.
  • the user can submit a labeling trigger instruction to the interactive smart tablet by clicking a button or keyboard shortcut displayed on the smart interactive device, so that the smart interactive device enters the vertex labeling state.
  • the user can click the "vertex labeling" button displayed on the smart interactive device to trigger the labeling instruction to trigger the smart interactive device to generate and enter the vertex labeling state.
  • the user can also trigger the smart interactive device to enter the vertex labeling state by other means, for example, you can quickly enter the vertex labeling state by clicking a preset shortcut key such as "Ctrl+M" on the keyboard.
  • the label box When entering the vertex labeling state, the label box can be automatically displayed at the label position of each vertex of the solid geometry, as shown in Figure 4, and the input cursor can be positioned in the first label box, that is, the first displayed label can be set
  • the frame is determined as the marked frame corresponding to the target marked vertex, and the cursor is displayed in the marked frame corresponding to the target marked vertex.
  • the user can input an annotation vertex switching instruction to the smart interactive device to trigger the smart interactive device to move the cursor to the mark box of another vertex according to the annotation vertex switching instruction to switch the target annotated vertex to another vertex , That is, move the cursor to the second mark frame of the three-dimensional graphic and replace the target marked vertex with the vertex corresponding to the second mark frame.
  • the user can submit a label vertex switching instruction to the smart interactive device by pressing the "TAB" key, thereby switching the marker box where the input cursor is located, as shown in Figure 4, moving the cursor from the first marker box to the second marker box To switch the target label vertex to another vertex.
  • the mark frame of the vertex of the three-dimensional figure may not be automatically displayed, but the mark frame corresponding to the vertex may be displayed when the mouse moves to the vicinity of a vertex, so as The vertex is determined as the target labeled vertex, and the input cursor can be positioned on the mark box corresponding to the target labeled vertex to determine the mark box corresponding to the target labeled vertex as the first mark box, so that the user can input in the first mark box
  • the information labels the target label vertices.
  • the above determining the target marking vertex of the three-dimensional graphic includes: monitoring the cursor position after receiving the marking trigger instruction; when the distance between the cursor position and any vertex position in the three-dimensional graphic is less than a preset distance When determining the vertex corresponding to the vertex position as the target marking vertex of the three-dimensional graphic.
  • the embodiment of the present invention can enter the vertex labeling state according to the labeling trigger instruction to detect and monitor the cursor position in the vertex labeling state.
  • the cursor position can refer to the display position of the input cursor, and the cursor position can be determined by a touch operation or a mouse operation.
  • the monitored cursor position can be compared with the position of each vertex of the currently displayed three-dimensional graphic to determine the distance between the cursor position and each vertex of the three-dimensional graphic.
  • the vertex corresponding to the vertex position can be determined as the target annotated vertex, and then at least two ridges associated with the target annotated vertex can be determined according to The angle between the ridgelines determines the label position of the target label vertex, so that the label box corresponding to the target label vertex can be displayed according to the label position of the target label vertex, and the cursor can be positioned to the target label vertex
  • the corresponding mark box is displayed and displayed to prompt the user to enter information in the mark box to mark the target marked vertices. There is no need for the user to manually drag and drop the "text box" for the vertices to be marked as the mark box, which simplifies user operations and improves vertex marking effectiveness.
  • this embodiment may further include: determining the ridge projection information corresponding to the target annotated vertex, wherein the ridge projection information is used to determine the target annotated vertex At least two ridgeline included angles; select the target ridgeline included angle from the at least two ridgeline included angles; determine the angle bisector information corresponding to the target ridgeline included angle, and the angle bisector information is used in The marking position is determined on the corner bisector of the included angle of the target ridge; the marking frame is displayed, and the marking frame is displayed according to the marking position.
  • the ridge projection information corresponding to the target labeled vertex can be determined according to the coordinate information corresponding to other vertices adjacent to the target labeled vertex, and then the ridge projection information corresponding to the target labeled vertex can be determined based on the corresponding target labeled vertex.
  • the projection information of the ridgeline determines one or more ridgeline included angles of the target marked vertices, and the target ridgeline included angle with the largest included angle can be selected according to the determined ridgeline included angle, so as
  • the angle bisector information of the included angle determines the marking position on the angle bisector of the included angle of the target ridgeline, so that the marking frame corresponding to the target marking vertex can be displayed at the marking position.
  • the interactive smart tablet when it enters the vertex mark state, it may not automatically display the mark box corresponding to the vertex of the three-dimensional graphic.
  • the vertex When the mouse moves to the vicinity of a certain vertex, the vertex can be highlighted, and the vertex A marker box is displayed at the marked position, as shown in Figure 5.
  • a marker box can be added to the vertex.
  • the input cursor After adding the "marked box", the input cursor can be automatically positioned inside the marked box, so that the user can input the identification letter in the marked box, that is, input information to mark the target marked vertices.
  • the interactive smart tablet can confirm the user's input and associate the user's input information with the target marked vertices to complete the marking of the target marked vertices and exit the marking state of the target marked vertices.
  • the interactive smart tablet can repeat the above operations to label other vertices.
  • the display position of the mark frame corresponding to the vertex can be automatically adjusted according to the change of the three-dimensional graphic, that is, the label position of the vertex can be automatically adjusted to avoid It is troublesome for the user to manually adjust the position of the marker frame after the three-dimensional graphic changes, which simplifies the user's operation.
  • this embodiment may further include: when a change in the three-dimensional figure is detected, the marking frame of the vertex of the three-dimensional figure is hidden; when the end of the change in the three-dimensional figure is detected, the mark position of the vertex after the change in the three-dimensional figure is marked Update, and display the marking frame corresponding to the vertex according to the updated marking position.
  • this embodiment when the position of the three-dimensional figure or its three-dimensional size and rotation angle change, this embodiment can automatically hide the mark boxes of all vertices when the change starts, and automatically display the mark boxes of all vertices when the change ends, and Automatically adjust the position of the marker frame to prevent the marker frame from being blocked by the changed edge.
  • the automatic adjustment of the position of the marker frame can be calculated according to a preset algorithm of the default position of the marker frame.
  • the "visibility" of the marker box can be set to "false” in the program of the whiteboard software, so that the whiteboard software hides the marker box corresponding to the vertex during the 3D graphics change, that is, it will not show Mark the frame to achieve the hidden effect; and after the change is over, recalculate the ridge projection information of each vertex to re-determine the position of the mark frame through the projection angle of the vertex ridge line to follow the re-determined position of the mark frame
  • the marking frame corresponding to the vertex is displayed to achieve the purpose of automatically adjusting the position of the vertex, without the need for the user to manually adjust the position of the vertex, simplifying user operations, and improving the efficiency of vertex marking after the three-dimensional graphic changes.
  • the marking device of the three-dimensional graphics may include the following modules:
  • the graphics display module 710 is used to display stereo graphics
  • the annotated vertex determination module 720 is configured to determine the target annotated vertices of the three-dimensional graphics, and display a cursor in a marker frame corresponding to the target annotated vertices, wherein the display position of the marker frame is based on the target annotated vertices The ridgeline included angle is determined;
  • the information display module 730 is configured to display the input information in the marking box when the input information is received, and the input information is used to mark the target marking vertex.
  • the above-mentioned apparatus may further include: a trigger instruction receiving module, configured to receive a labeling trigger instruction.
  • the trigger instruction receiving module may receive an annotation trigger instruction before determining the target annotation vertex of the three-dimensional graphic.
  • the labeling trigger instruction is used to start the vertex labeling function.
  • the labeled vertex determination module 720 may include the following submodules:
  • the labeling position determination sub-module is configured to determine the labeling position of each vertex of the three-dimensional graphic based on the labeling trigger instruction;
  • the display sub-module is configured to display the mark frame of each vertex according to the mark position of each vertex, and determine the first mark frame based on the displayed mark frame, so as to determine the vertex corresponding to the first mark frame as the The target marks the vertices.
  • the marking location determination submodule may include the following units:
  • the ridge projection information determining unit is used to determine the ridge projection information corresponding to each vertex of the three-dimensional figure
  • the ridgeline included angle determination unit is used to determine the ridgeline included angle of each vertex according to the ridgeline projection information corresponding to each vertex;
  • the labeling position determining unit is used to determine the labeling position of each vertex according to the angle of the ridgeline of each vertex.
  • the marking position determining unit may be configured to select a target ridgeline included angle from the ridgeline included angles of the vertex for each vertex; and determine the target ridgeline The angle bisector information corresponding to the included angle; and, based on the angle bisector information, the label position of the vertex is determined on the angle bisector of the target ridge included angle.
  • the marking vertex determination module 720 includes:
  • the cursor position detection sub-module is used to monitor the cursor position after receiving the marking trigger instruction
  • the target annotated vertex determination submodule is used to determine the vertex corresponding to the vertex position as the target annotated vertex of the three-dimensional graphic when the distance between the cursor position and any vertex position in the three-dimensional graphic is less than a preset distance .
  • annotation vertex determination module 720 may further include the following submodules:
  • the ridge projection information determining sub-module is configured to determine the ridge projection information corresponding to the target marked vertices, wherein the ridge projection information is used to determine at least two ridge angles of the target marked vertices;
  • the angle bisector information determining sub-module is used to determine the angle bisector information corresponding to the included angle of the target ridgeline, and the angle bisector information is used to determine the marking position on the angle bisector of the target ridge included angle;
  • the mark frame display submodule is used to display the mark frame, and the mark frame is displayed according to the marked position.
  • the foregoing device may further include the following modules:
  • the switching instruction receiving module is used to receive the marking vertex switching instruction
  • the switching module is configured to move the cursor to the second mark frame of the three-dimensional figure according to the mark vertex switch instruction, and replace the target mark vertex with the vertex corresponding to the second mark frame.
  • the foregoing device may further include the following modules:
  • the mark frame hiding module is used to hide the mark frame of the vertex of the three-dimensional graphic when the change of the three-dimensional graphic is detected;
  • the display update module is used to update the label position of the vertex after the change of the three-dimensional figure when the end of the change of the three-dimensional figure is detected, and display the mark frame corresponding to the vertex according to the updated label position.
  • the device for labeling three-dimensional graphics provided in this embodiment can be used to implement the method for labeling three-dimensional graphics in the foregoing embodiment, and has corresponding functions and beneficial effects.
  • the marking device of the three-dimensional graphics in this embodiment may include two parts: the "marking subsystem” and the “automatic adjustment subsystem".
  • the "labeling subsystem” can be used to quickly mark the vertices, and can include the trigger command receiving module, the labeling vertex determining module 720, the information display module 730, the switching command receiving module, the switching module, etc.;
  • the “subsystem” will automatically adjust the position of the mark according to the change of the solid geometry, which can include a hidden module of the mark frame, a display update module, etc.
  • the three-dimensional graphic annotation device provided above can be integrated into a device.
  • the device can be composed of two or more physical entities or one physical entity.
  • the device can be a computer, a mobile phone, a tablet, or a projector. Or interactive smart tablets, etc.
  • the device includes: a processor 80, a memory 81, a display screen 82 with a touch function, an input device 83, an output device 84, and a communication device 85.
  • the number of processors 80 in the device may be one or more, and one processor 80 is taken as an example in FIG. 8.
  • the number of memories 81 in the device may be one or more.
  • One memory 81 is taken as an example in FIG. 8.
  • the processor 80, the memory 81, the display screen 82, the input device 83, the output device 84, and the communication device 85 of the device may be connected by a bus or other means.
  • the marking device of the stereo graphics may be a smart interactive device such as a computer, a mobile phone, a tablet, a projector, or an interactive smart tablet.
  • the device is an interactive smart tablet as an example for description.
  • the memory 81 can be used to store software programs, computer-executable programs, and modules, such as the program instructions/modules corresponding to the stereographic annotation method described in any embodiment of the present application (for example, the stereographic The graphic display module 710, the annotation vertex determination module 720, and the information display module 730 in the labeling device, etc.).
  • the memory 81 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the device, and the like.
  • the memory 81 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the memory 81 may include a memory remotely provided with respect to the processor 80, and these remote memories may be connected to the device through a network. Examples of the above-mentioned network may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the display screen 82 is a display screen 82 with a touch function, which may be a capacitive screen, an electromagnetic screen or an infrared screen.
  • the display screen 82 is used to display data according to instructions from the processor 80, and is also used to receive touch operations on the display screen 82, and send corresponding signals to the processor 80 or other devices.
  • the display screen 82 is an infrared screen, it further includes an infrared touch frame, which is arranged around the display screen 82 and can also be used to receive infrared signals and send the infrared signals to the processor 80 or other equipment.
  • the communication device 85 is used to establish a communication connection with other devices, and it may be a wired communication device and/or a wireless communication device.
  • the input device 83 can be used to receive input digital or character information, and to generate key signal input related to the user settings and function control of the stereographic annotation device, and can also be a camera for acquiring images and a pickup device for acquiring audio data .
  • the output device 84 may include audio equipment such as speakers. It should be noted that the composition of the input device 83 and the output device 84 can be set according to actual conditions.
  • the processor 80 executes various functional applications and data processing of the device by running the software programs, instructions, and modules stored in the memory 81, that is, realizes the above-mentioned method for marking the three-dimensional graphics.
  • processor 80 executes one or more programs stored in the memory 81, the following operations are specifically implemented:
  • the input information When the input information is received, the input information is displayed in the marking box, and the input information is used to mark the target marking vertex.
  • the following operations are further implemented: receiving an annotation trigger instruction, where the annotation trigger instruction is used to start a vertex annotation function.
  • one or more processors 80 when one or more processors 80 realize the determination of the target marking vertices of the three-dimensional graphics, they may include: determining the marking positions of the vertices of the three-dimensional graphics based on the marking trigger instruction; The marking position of each vertex displays the marking frame of each vertex, and a first marking frame is determined based on the displayed marking frame, so that the vertex corresponding to the first marking frame is determined as the target marking vertex.
  • the method may include: determining the ridge projection information corresponding to each vertex of the three-dimensional graphic; The ridge projection information corresponding to each vertex determines the ridge angle of each vertex; the label position of each vertex is determined according to the ridge angle of each vertex.
  • one or more processors 80 realize the determination of the label position of each vertex according to the angle of the ridgeline of each vertex, it may include: for each vertex, from the ridgeline of the vertex Select the target ridgeline included angle from the included angle; determine the angle bisector information corresponding to the target ridgeline included angle; determine the vertex on the angle bisector of the target ridgeline included angle based on the angle bisector information The location of the label.
  • one or more processors 80 when one or more processors 80 realize the determination of the target annotated vertex of the three-dimensional graphic, it may include: after receiving an annotation trigger instruction, monitoring the cursor position; when the cursor position is When the distance between any vertex position in the three-dimensional figure is less than the preset distance, the vertex corresponding to the vertex position is determined as the target marking vertex of the three-dimensional figure.
  • one or more processors 80 implement the following operations before realizing displaying the cursor in the marking frame corresponding to the target marking vertex: determining the target marking Ridgeline projection information corresponding to a vertex, wherein the ridgeline projection information is used to determine at least two ridgeline included angles of the target marked vertex; and the target ridgeline included angle is selected from the at least two ridgeline included angles Determine the angle bisector information corresponding to the included angle of the target ridgeline, and the angle bisector information is used to determine the label position on the angle bisector of the included angle of the target ridgeline; display the mark frame, the mark frame is Displayed according to the marked position.
  • the following operations are further implemented: receiving a marking vertex switching instruction; switching according to the marking vertex Instruction to move the cursor to the second mark frame of the three-dimensional figure, and replace the target marked vertex with the vertex corresponding to the second mark frame.
  • one or more processors 80 may also realize: when a change in a three-dimensional graphic is detected, the mark frame of the vertex of the three-dimensional graphic is hidden; The label position of the vertex is updated after the graph is changed, and the label frame corresponding to the vertex is displayed according to the updated label position.
  • the three-dimensional figure marking device provided above can be used to execute the three-dimensional figure marking method provided in any of the above embodiments, and has corresponding functions and beneficial effects.
  • the embodiment of the present invention also provides a storage medium containing computer-executable instructions, when the computer-executable instructions are executed by a computer processor, a method for labeling stereo graphics includes: displaying the stereo graphics; determining the The target of the three-dimensional graphics is marked with a vertex, and a cursor is displayed in a marking frame corresponding to the target marking vertex, wherein the display position of the marking frame is determined according to the angle between the ridgeline of the target marking vertex; when input information is received When, the input information is displayed in the marking box, and the input information is used to mark the target marking vertices.
  • a storage medium containing computer-executable instructions provided by an embodiment of the present invention can also perform related operations in the three-dimensional graphic annotation method provided by any embodiment of the present application, and has corresponding The functions and beneficial effects.
  • the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, Read-Only Memory (ROM), Random Access Memory (RAM), Flash memory (FLASH), hard disk or optical disk, etc., including several instructions to make a computer device (can be a robot, personal A computer, a server, or a network device, etc.) execute the method for labeling the three-dimensional graphics described in any embodiment of the present application.
  • a computer-readable storage medium such as a computer floppy disk, Read-Only Memory (ROM), Random Access Memory (RAM), Flash memory (FLASH), hard disk or optical disk, etc.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • FLASH Flash memory
  • hard disk or optical disk etc.
  • a computer device can be a robot, personal A computer, a server, or a network device, etc.
  • each part of this application can be implemented by hardware, software, firmware, or a combination thereof.
  • multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a logic gate circuit for implementing logic functions on data signals
  • PGA programmable gate array
  • FPGA field programmable gate array

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Processing Or Creating Images (AREA)

Abstract

La présente invention concerne un procédé et un appareil d'étiquetage de graphe tridimensionnel, un dispositif, et un support. Le procédé consiste : à afficher un graphe tridimensionnel (110) ; à déterminer un sommet d'étiquetage cible du graphe tridimensionnel, et à afficher un curseur dans une boîte d'étiquetage correspondant au sommet d'étiquetage cible, une position d'affichage de la boîte d'étiquetage étant déterminée en fonction d'un angle inclus de lignes de bord du sommet d'étiquetage cible (120) ; et lorsque des informations d'entrée sont reçues, à afficher les informations d'entrée dans la boîte d'étiquetage, les informations d'entrée étant utilisées pour étiqueter le sommet d'étiquetage cible (130). Au moyen du procédé, une opération d'étiquetage de sommet est simplifiée, ce qui permet d'améliorer l'efficacité d'étiquetage de sommet.
PCT/CN2019/123248 2019-03-28 2019-12-05 Procédé et appareil d'étiquetage de graphe tridimensionnel, dispositif, et support WO2020192175A1 (fr)

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