WO2022033445A1 - 交互式动态流体效果处理方法、装置及电子设备 - Google Patents
交互式动态流体效果处理方法、装置及电子设备 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
- G06T7/75—Determining position or orientation of objects or cameras using feature-based methods involving models
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- 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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/012—Head tracking input arrangements
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T19/006—Mixed reality
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
- G06T19/20—Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts
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- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
- G06T7/251—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments involving models
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- G06T7/20—Analysis of motion
- G06T7/269—Analysis of motion using gradient-based methods
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- G06T7/70—Determining position or orientation of objects or cameras
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
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- G—PHYSICS
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- G06T2200/24—Indexing scheme for image data processing or generation, in general involving graphical user interfaces [GUIs]
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- G06T2207/10016—Video; Image sequence
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- G06T2207/30196—Human being; Person
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- G06T2210/00—Indexing scheme for image generation or computer graphics
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- G06T2219/2012—Colour editing, changing, or manipulating; Use of colour codes
Definitions
- the present disclosure relates to the field of computer technology, and in particular, to an interactive dynamic fluid effect processing method, apparatus, and electronic device.
- the present disclosure provides an interactive dynamic fluid effect processing method, device and electronic device, which are used to solve the problems existing in the prior art.
- an interactive dynamic fluid effect processing method comprising:
- the position of the fluid displayed in the user display interface is adjusted, and the motion change of the fluid is dynamically displayed on the user display interface.
- a game interactive dynamic fluid effect processing device comprising:
- the acquisition module is used to collect video and detect the pose change of the target object in the video
- an acquisition module configured to acquire the pose mapping relationship between the target object and the object model corresponding to the first object displayed in the user display interface
- the determining module is used to determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship;
- the adjustment module is used to adjust the position of the fluid displayed in the user display interface according to the pose change of the object model, and dynamically display the movement change of the fluid on the user display interface.
- the present disclosure provides an electronic device, the electronic device comprising:
- processors one or more processors
- the memory stores one or more application programs, wherein when the one or more application programs are executed by the one or more processors, the electronic device executes the corresponding processing method of the interactive dynamic fluid effect shown in the first aspect of the present disclosure. operate.
- the present disclosure provides a computer-readable medium for storing computer instructions, which, when executed by a computer, enables the computer to execute the interactive dynamic as shown in the first aspect of the present disclosure Fluid effect processing method.
- a video is collected, and a pose change of a target object in the video is detected;
- the pose mapping relationship of the object model determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship; adjust the position of the fluid displayed in the user display interface according to the pose change of the object model
- the user display interface dynamically displays the movement of the fluid.
- FIG. 1 is a schematic flowchart of an interactive dynamic fluid effect processing method provided by an embodiment of the present disclosure
- FIG. 2 is a schematic diagram of performing dynamic fluid effect processing through face detection according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of a game interactive dynamic fluid effect processing device according to an embodiment of the present disclosure
- FIG. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
- the term “including” and variations thereof are open-ended inclusions, ie, "including but not limited to”.
- the term “based on” is “based at least in part on.”
- the term “one embodiment” means “at least one embodiment”; the term “another embodiment” means “at least one additional embodiment”; the term “some embodiments” means “at least some embodiments”. Relevant definitions of other terms will be given in the description below.
- the technical solutions of the present disclosure can be applied to applications involving the production, application, and use of dynamic fluid effects.
- the technical solutions of the present disclosure can be applied to terminal equipment, and the terminal equipment can include a mobile terminal or a computer equipment, wherein the mobile terminal can include, for example, a smart phone, a palmtop computer, a tablet computer, a wearable device with a display screen, etc.; the computer equipment This may include, for example, desktops, laptops, all-in-ones, smart TVs, and the like.
- the first object and the fluid are modeled in a three-dimensional space through the technical solution of the present disclosure, and the effect image after rendering the object model and the fluid model is displayed in a two-dimensional user display interface (for the sake of brevity, in the following, the user
- the model rendering effect image of the first object displayed in the display interface is abbreviated as "first object”
- the model rendering effect image of the fluid displayed in the user display interface is abbreviated as "fluid”
- the first object in the interface It can be in contact with the fluid.
- the first object contains fluid. When the first object is moved by an external force, the fluid contained in it will move accordingly. When the first object collides with the fluid, it can be displayed on the user's Dynamic display of fluid movement changes in the interface.
- the fluid is outside the first object, and when the fluid moves under the action of an external force, the fluid collides with the first object, and the motion change of the fluid is dynamically displayed on the user display interface. It should be understood by those skilled in the art that the present disclosure does not limit the positions and motions of the first object and the fluid.
- FIG. 1 is a schematic flowchart of an interactive dynamic fluid effect processing method provided by an embodiment of the present disclosure. As shown in FIG. 1 , the method may include:
- step S101 a video is collected, and a pose change of a target object in the video is detected.
- the terminal device may start a video capture device (eg, a camera) of the terminal device to capture video.
- the duration of video capture may be a preset time period, or the duration of video capture may be determined according to the video capture start instruction and the video capture end command, which is not limited in the present disclosure.
- the terminal device detects the target object in the collected video, where the target object may be a specific object in the video, including but not limited to: a human face, a human head, a human hand, and the like.
- a face detection algorithm can be used to detect the human face in each frame of images in the video; when the target object is a human head, the head detection algorithm can be used to detect the human face in the video. of the person's head in each frame of the image.
- Detecting the pose change of the target object may specifically include detecting the pose change of key points in the target object, and determining the pose change of the target object according to the pose change of the key point.
- the key points may include the center point of the human face.
- the pose change of the center point of the face is used to determine the pose change of the face.
- Step S102 acquiring the pose mapping relationship between the target object and the object model corresponding to the first object displayed in the user display interface.
- the user display interface may be a display interface in an application program, and the solution provided by the embodiments of the present disclosure may be implemented, for example, as an application program or a function plug-in of the application program.
- the application program When the application program is started, the user display interface is displayed; or, when the terminal device detects the user's trigger instruction (such as clicking a virtual button) for the function plug-in of the application program, the user display interface is displayed, wherein the user display interface can also An image with the first object and the fluid is displayed.
- the terminal device can model the first object and the fluid in a three-dimensional space, and project an effect image after rendering of the object model and the fluid model on a two-dimensional user display interface, so as to display on the user interface.
- the first object and the fluid are displayed in the interface.
- the first object may be an object whose shape and volume are relatively stable during motion and after being acted upon by a force, for example, a rigid body, a soft body, and the like.
- the first object can be in contact with the fluid in the interface.
- the fluid can be contained in the first object.
- the first object moves, the fluid contained in the first object will move accordingly, and a dynamic effect will be presented in the user display interface. .
- the terminal device detects the target object from the video, and acquires the pose mapping relationship between the pre-configured target object and the object model corresponding to the first object displayed in the user display interface. Since the display position of the first object in the user display interface is related to the position of the target object in the user display interface, when the pose of the target object changes, the pose of the first object also changes. Moreover, the terminal device determines the pose change of the object model according to the pose mapping relationship, so as to present the effect that the target object moves and the first object also moves along with the target object in the user display interface.
- Step S103 Determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship.
- the terminal device can determine the pose according to the pose of the target object.
- the change and the pose mapping relationship can determine the pose change of the object model.
- the pose change may include the change amount of the pose, and may also be the changed pose.
- Step S104 adjust the position of the fluid displayed in the user display interface according to the pose change of the object model, and dynamically display the movement change of the fluid on the user display interface.
- the terminal device can adjust the position of the fluid in the user display interface according to the pose change of the first object, and display the dynamic effect of the fluid movement driven by the object model of the first object in the user display interface.
- the first object according to the pose change of the human face, correspondingly, the first object also undergoes a pose change, the first object carries fluid, and the pose change of the first object makes The fluid carried inside is subjected to an external force, which changes the position of the fluid.
- the terminal device can determine the pose change of the first object according to the pose change of the face, and further adjust the position of the fluid according to the pose change of the first object, and display the dynamic effect of the fluid movement on the user display interface.
- the specific display position can be determined through the following embodiments.
- the first object is displayed in the user display interface.
- the terminal device when the terminal device initially performs video capture, the user display interface is displayed according to the user's display trigger operation for the user display interface, and the video capture device is turned on to capture video.
- the terminal device After determining the initial display position of the target object, determine the initial display position of the first object in the user display interface, and display the first object in the user display interface according to the initial display position.
- the terminal device can also display the fluid while displaying the first object.
- the terminal device can display on the user display interface that the first object contains the fluid.
- the terminal device may further display the fluid after displaying the first object, for example, display a dynamic effect of fluid injection into the first object in the user display interface.
- the present disclosure does not limit the display order and specific display manner of the first object and the fluid.
- the position association relationship may include center point coincidence
- the terminal device displays the center point position of the target object and the center point position of the first object overlapped on the user display interface.
- the terminal device can associate the position of the center point of the target object with the position of the center point of the first object containing the fluid, and associate the target object with the first object containing the fluid.
- An object is displayed in the user display interface in a manner that the center points are coincident.
- the position association relationship may further include maintaining a certain distance d between the center point position of the target object and the center point position of the first object, and the terminal device associates the center point position of the target object with the first object in the user display interface
- the position of the center point of the target object is maintained at a specific distance d for display.
- the terminal device can determine the center point position of the first object according to the position of the center point of the target object and the specific distance d, and display the first object in the user display interface according to the position. object.
- it may be an object model of the first object obtained by modeling the first object in a three-dimensional space according to feature information (eg, size, shape, color, etc.) of the first object.
- feature information eg, size, shape, color, etc.
- step S101 for detecting the pose change of the target object in the video in step S101, it may include:
- step S103 may include:
- the change amount of the pose of the target object and the pose mapping relationship the change amount of the pose of the object model corresponding to the first object is determined.
- adjusting the position of the fluid displayed in the user display interface according to the pose change of the object model may include:
- the terminal device can detect the change of the pose of the target object, and determine the change of the pose of the object model according to the change of the pose of the target object and the pose mapping relationship between the target object and the object model.
- the change amount of the pose of the object model determines the pose of the object model after the pose change, and adjusts the position of the fluid displayed in the user display interface according to the pose change of the object model.
- the change of the pose of the object model corresponding to the first object can be determined, and the position of the fluid can be adjusted according to the change of the pose of the object model, which can make the adjustment
- the position of the back fluid is more accurate and presents a better dynamic effect.
- the detecting the change amount of the pose of the target object in the video in step S101 includes: detecting the change amount of the position and the pose of the target object in the video.
- the pose mapping relationship includes a first mapping relationship between the change in the position of the target object and the change in the position of the object model, and a second mapping relationship between the change in the pose of the target object and the change in the pose of the object model.
- the step determines the change amount of the pose of the object model according to the change amount of the pose of the target object and the pose mapping relationship, which may include:
- the variation of the posture information of the object model is determined.
- pose can include position and pose.
- the terminal device can determine the position and posture of the target object in the three-dimensional space according to the two-dimensional image of the target object detected in the video.
- the posture of the target object may be the rotation angle of the target object in the three directions of the x-axis, the y-axis, and the z-axis, which may be called azimuth angle, pitch angle and roll angle respectively.
- the terminal device can estimate the pose of the target object in three-dimensional space according to the two-dimensional image of the target object.
- the head pose estimation algorithm can be used to estimate the pose of the human head according to the face image. .
- the position of the target object may be a position coordinate or a position vector of the target object in the three-dimensional space determined according to the position of the target object in the two-dimensional image.
- the terminal device may establish a first mapping relationship for the variation of the position of the target object in the three-dimensional space and the variation of the position of the object model corresponding to the first object, and for the estimated variation of the posture of the target object in the three-dimensional space and A second mapping relationship is established for the variation of the posture of the object model, and the variation of the position of the object model and the variation of the posture of the object model are determined according to the variation of the position and the posture of the target object, respectively.
- the change of the position and the attitude of the object model of the first object in the three-dimensional space can be determined:
- ⁇ p f represents the amount of change in the position of the target object in the three-dimensional space
- ⁇ ps represents the amount of change in the position of the object model corresponding to the first object in the three-dimensional space
- ⁇ represents the scale parameter, which can be a preset value, available It is used to adjust the speed of the movement of the object model in the three-dimensional space
- ⁇ q f represents the change of the attitude of the target object in the three-dimensional space
- ⁇ q s represents the change of the attitude of the object model in the three-dimensional space.
- the formula (1) may be used as the first mapping relationship
- the formula (2) may be used as the second mapping relationship.
- the position change amount and the posture change amount of the object model can be determined, so that the object model can be presented in the user display interface along with the change amount of the target object.
- the dynamic effect of movement and movement is a simple expression
- adjusting the position of the fluid displayed in the user display interface according to the change in the pose of the object model in step S104 includes:
- each model particle and the position of the fluid particle determine the model particle that collides with the fluid particle
- the fluid when the first object moves with the pose transformation of the target object in the video, the fluid can collide with the first object, and the terminal device can determine the object model according to the change in the position of the object model For the changed position, the position of each model particle in the object model is determined according to the changed position of the object model.
- the object model corresponding to the first object can be exported as point cloud data through 3D modeling software (for example, 3Dmax, Maya, etc.), and the point cloud data is in point cloud format (the suffix of the point cloud format file is .ply)
- 3D modeling software for example, 3Dmax, Maya, etc.
- the point cloud data is in point cloud format (the suffix of the point cloud format file is .ply)
- Each point cloud data corresponds to a point
- each point corresponds to a model particle
- each point cloud data can include the position and normal information of each point in the model
- each normal information can point to the outside of the object model.
- the terminal device can simulate the movement of the fluid according to the magnitude of the external force on the fluid particles, estimate the position of each fluid particle after movement, and obtain The estimated position, as the position of each fluid particle corresponding to the fluid.
- the terminal device may calculate the estimated position of each fluid particle through a position-based fluid (Position Based Fluid, PBF) simulation method.
- PBF Position Based Fluid
- the terminal device can collide with the model particles according to the model The position of the particle, adjust the position of the fluid particle, and use the adjusted position as the position displayed on the user display interface after the fluid particle moves, so as to dynamically display the movement change of the fluid on the user display interface.
- model particles are distributed near the fluid particles.
- For each fluid particle according to the estimated position of the fluid particle and the position of each model particle, which model particles collide with the fluid particle can be determined, Which model particles did not collide with fluid particles.
- the distance between the fluid particle and each model particle can be calculated, and the adjacent model particles of the fluid particle can be determined according to the distance, and the terminal device can The model particle closest to the fluid particle acts as the adjacent model particle of the fluid particle. Since the adjacent model particles of the fluid particle are the model particles most likely to collide with the fluid particle, if the distance between the adjacent model particle and the fluid particle is less than the preset distance, the adjacent model particle is the one that collides with the fluid particle. model particle, so that the terminal device obtains the position of the model particle that collided with the fluid particle.
- the terminal device estimates the position of the fluid particles before the motion (for example, using the PBF algorithm) to obtain the estimated position, and uses the estimated position as the position displayed on the user display interface after the fluid particles move. . Therefore, the motion change process of this part of the fluid particles displayed in the user display interface is: moving from the position before the motion to the estimated position.
- the terminal device can estimate the position of the fluid particle after it moves under the action of inertia according to the current position of the fluid particle, simulate the motion of the fluid particle, and use it in the user. displayed on the display interface.
- the terminal device can simulate the motion of fluid particles under the action of inertia by means of PBF.
- adjusting the position of the fluid particle according to the position of the model particle that collides with the fluid particle may include:
- the positions of the fluid particles that collide with the model particles are adjusted, so as to dynamically display the motion change of the fluid on the user display interface.
- the position of the fluid particle and the position of the model particle that collides with the fluid particle can be a position vector in three-dimensional space, and the terminal device calculates the difference between the two position vectors, According to the difference between the two position vectors, the position correction amount of the fluid particle is determined, and the terminal device adjusts the position of the colliding fluid particle according to the position correction amount, and uses the adjusted position as the fluid particle collision
- the user display interface shows that the fluid particle moves from the position corresponding to the position before the movement to the position corresponding to the adjusted position, so as to present the dynamic change effect of the fluid in the user display interface.
- the position correction amount of the fluid particles is determined according to the positions of the fluid particles and the positions of the model particles that collide with the fluid particles, which may include:
- the position correction amount of the fluid particle is determined.
- the terminal device exports the object model as point cloud data, each point cloud data corresponds to a model particle, and the point cloud data includes the position and normal information of each model particle in the model, and each normal direction information can point to The exterior of the object model.
- the terminal device may preconfigure the first weight and the second weight, wherein the first weight may be the weight corresponding to the normal information of the model particle that collides with the fluid particle, and the second weight may be the fluid particle and the fluid particle.
- the weight corresponding to the first distance between the colliding model particles the terminal device is based on the first distance, normal information, first weight, second weight and preset between the fluid particle and the model particle that collides with the fluid particle
- the distance r determines the position correction of the fluid particles.
- the terminal device can perform coordinate transformation on the position and normal information of the model particles, and transform them into the coordinate system (also referred to as the fluid coordinate system) for calculating the position correction amount of the fluid particles.
- Formulas (3)-(4) perform coordinate transformation on model particles:
- P ⁇ represents the position of each model particle in the fluid coordinate system
- P m represents the position of each model particle in the model coordinate system
- n ⁇ represents the normal vector of each model particle in the fluid coordinate system
- n m represents each model particle
- R represents the rotation matrix
- T represents the translation vector, and R and T can be pre-configured according to specific needs.
- the position correction of the fluid particles is calculated by the following formula:
- ⁇ p represents the position correction amount to be calculated
- r represents the preset distance
- d represents the difference between the position vectors of the fluid particle and the model particle that collides with the fluid particle in three-dimensional space
- represents the fluid particle and the fluid
- p represents the position vector of the position of the fluid particle
- x represents the position vector of the position of the model particle that collided with the fluid particle
- n ⁇ represents the model particle that collided with the fluid particle in the fluid
- ⁇ 1 represents the first weight
- ⁇ 2 represents the second weight.
- pt represents the position of the fluid particle before the position adjustment (for example, the estimated position calculated by the PBF method)
- ⁇ p represents the position correction amount
- pt +1 represents the position of the fluid particle after the position adjustment
- t represents the position adjustment The time corresponding to the previous position
- t+1 represents the time corresponding to the position after the position adjustment.
- step S201 is performed, when the terminal device detects the camera start command on the user display interface, the camera is turned on to capture video (the camera captures the picture as shown in the figure);
- Step S202 is performed to detect the change of the pose of the target object in the video, if the target object is a human face, then detect the change of the pose of the human face (“face detection” as shown in the figure);
- Step S203 is performed, when the human face appears on the user display interface for the first time (“first appearance” as shown in the figure), according to the first detection of the display position of the human face in the user display interface, determine the first time. the initial display position of an object in the user display interface, and displaying the fluid in the first object (eg, injecting the fluid into the first object);
- Step S204 is performed, when the face moves, the change of the pose of the face is obtained, and the change of the pose of the first object is determined according to the change of the pose of the face and the mapping relationship of the pose (as shown in the figure).
- “Calculate the pose change of the first object” since the movement of the first object will also drive the fluid in the first object to move together, the terminal device can adjust the first object according to the change of the pose of the first object.
- the position of the fluid in the object, and the motion change of the fluid is dynamically displayed on the user display interface (as shown in the figure, "drive the fluid in the first object to move together").
- Step S205 is performed, when the face does not move, the terminal device can determine the position of the fluid after the movement of the fluid by means of PBF, simulating the state in which the fluid continues to move under the action of inertia (as shown in the figure “Fluid continues to flow under the action of inertia”). ");
- step S206 in the figure the terminal device outputs the image to the screen.
- the interactive dynamic fluid effect processing method may include: collecting a video, and detecting a pose change of a target object in the video; acquiring an object model corresponding to the target object and the first object displayed in the user display interface According to the pose change of the target object and the pose mapping relationship, determine the pose change of the object model; according to the pose change of the object model, adjust the position of the fluid displayed in the user display interface, and display it on the user
- the interface dynamically displays the movement of the fluid.
- an embodiment of the present disclosure further provides an interactive dynamic fluid effect processing apparatus 30.
- the interactive dynamic fluid effect processing apparatus 30 may include:
- the collection module 31 is used to collect video and detect the pose change of the target object in the video
- an acquisition module 32 configured to acquire the pose mapping relationship between the target object and the object model corresponding to the first object displayed in the user display interface
- the determination module 33 is used for determining the pose change of the object model according to the pose change of the target object and the pose mapping relationship;
- the adjustment module 34 is configured to adjust the position of the fluid displayed in the user display interface according to the pose change of the object model, and dynamically display the movement change of the fluid on the user display interface.
- the apparatus 30 further includes a receiving module for:
- the first object is displayed in the user display interface according to the initial display position.
- the collection module 31 is specifically used for:
- the determination module 33 is specifically used for:
- the adjustment module 34 is specifically used for:
- the acquisition module 31 when the acquisition module 31 detects the variation of the pose of the target object in the video, it is used for:
- the pose mapping relationship includes a first mapping relationship between the position change of the target object and the position change of the object model, and a second mapping relationship between the change amount of the target object's pose and the change amount of the object model.
- the determination module 33 is used for determining the variation of the pose of the object model according to the variation of the pose of the target object and the pose mapping relationship:
- the variation of the posture of the target object is determined.
- the adjustment module 34 when adjusting the position of the fluid displayed in the user display interface according to the change of the pose of the object model, the adjustment module 34 is used for:
- each model particle and the position of the fluid particle determine the model particle that collides with the fluid particle
- the adjustment module 34 is specifically used to:
- the position correction amount adjust the position of the fluid particles that collide with the model particles, so as to dynamically display the motion changes of the fluid on the user display interface.
- the adjustment module 34 when determining the position correction amount of the fluid particle according to the position of the fluid particle and the position of the model particle that collides with the fluid particle, the adjustment module 34 is used to:
- the position correction amount of the fluid particle is determined.
- the interactive dynamic fluid effect processing apparatus in the embodiments of the present disclosure can execute the interactive dynamic fluid effect processing method provided by the embodiments of the present disclosure, and the implementation principle is similar.
- the interactive dynamic fluid effect processing apparatus in the embodiments of the present disclosure The actions performed by each module in the above are corresponding to the steps in the interactive dynamic fluid effect processing method in each embodiment of the present disclosure.
- a video can be collected, and a pose change of a target object in the video can be detected; Pose mapping relationship; determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship; adjust the position of the fluid displayed in the user display interface according to the pose change of the object model, and dynamically display the fluid in the user display interface Demonstrate changes in the motion of fluids.
- FIG. 4 it shows a schematic structural diagram of an electronic device 400 suitable for implementing an embodiment of the present disclosure.
- the execution body of the technical solutions of the embodiments of the present disclosure may include, but is not limited to, mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablets), PMPs (portable multimedia players), vehicle-mounted terminals ( Mobile terminals such as in-vehicle navigation terminals), wearable electronic devices, etc., and stationary terminals such as digital TVs, desktop computers, and the like.
- the electronic device shown in FIG. 4 is only an example, and should not impose any limitation on the function and scope of use of the embodiments of the present disclosure.
- the electronic device includes: a memory and a processor, where the memory is used to store a program for executing the methods described in the foregoing method embodiments; the processor is configured to execute the program stored in the memory, so as to implement the above-described embodiments of the present disclosure. function and/or other desired functions.
- the processor here may be referred to as the processing device 401 described below, and the memory may include at least one of a read-only memory (ROM) 402, a random access memory (RAM) 403, and a storage device 408 in the following, specifically as follows shown:
- an electronic device 400 may include a processing device (eg, a central processing unit, a graphics processor, etc.) 401 that may be loaded into random access according to a program stored in a read only memory (ROM) 402 or from a storage device 408 Various appropriate actions and processes are executed by the programs in the memory (RAM) 403 . In the RAM 403, various programs and data required for the operation of the electronic device 400 are also stored.
- the processing device 401, the ROM 402, and the RAM 403 are connected to each other through a bus 404.
- An input/output (I/O) interface 405 is also connected to bus 404 .
- I/O interface 405 the following devices may be connected to the I/O interface 405: input devices 406 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; including, for example, a liquid crystal display (LCD), speakers, vibration An output device 407 of a computer, etc.; a storage device 408 including, for example, a magnetic tape, a hard disk, etc.; and a communication device 409. Communication means 409 may allow electronic device 400 to communicate wirelessly or by wire with other devices to exchange data.
- FIG. 4 shows electronic device 400 having various means, it should be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
- embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer-readable medium, the computer program storing program code for performing the methods described in the various embodiments described above.
- the computer program may be downloaded and installed from the network via the communication device 409, or from the storage device 408, or from the ROM 402.
- the processing apparatus 401 When the computer program is executed by the processing apparatus 401, the above-mentioned functions defined in the methods of the embodiments of the present disclosure are executed.
- the computer-readable medium mentioned above in the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two.
- the computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or a combination of any of the above. More specific examples of computer readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable Programmable read only memory (EPROM or flash memory), fiber optics, portable compact disk read only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.
- a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
- a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with computer-readable program code embodied thereon. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- a computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device .
- Program code embodied on a computer readable medium may be transmitted using any suitable medium including, but not limited to, electrical wire, optical fiber cable, RF (radio frequency), etc., or any suitable combination of the foregoing.
- the client and server can use any currently known or future developed network protocol such as HTTP (HyperText Transfer Protocol) to communicate, and can communicate with digital data in any form or medium Communication (eg, a communication network) interconnects.
- HTTP HyperText Transfer Protocol
- Examples of communication networks include local area networks (“LAN”), wide area networks (“WAN”), the Internet (eg, the Internet), and peer-to-peer networks (eg, ad hoc peer-to-peer networks), as well as any currently known or future development network of.
- the above-mentioned computer-readable medium may be included in the above-mentioned electronic device; or may exist alone without being assembled into the electronic device.
- the above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by the electronic device, the electronic device: collects video, and detects the pose change of the target object in the video; obtains the target object The pose mapping relationship of the object model corresponding to the first object displayed in the user display interface; determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship; adjust the pose change according to the pose change of the object model
- the position of the fluid displayed in the user display interface is displayed, and the motion change of the fluid is dynamically displayed on the user display interface.
- Computer program code for performing operations of the present disclosure may be written in one or more programming languages, including but not limited to object-oriented programming languages—such as Java, Smalltalk, C++, and This includes conventional procedural programming languages - such as the "C" language or similar programming languages.
- the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer, or entirely on the remote computer or server.
- the remote computer may be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (eg, using an Internet service provider through Internet connection).
- LAN local area network
- WAN wide area network
- each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more logical functions for implementing the specified functions executable instructions.
- the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
- each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations can be implemented in dedicated hardware-based systems that perform the specified functions or operations , or can be implemented in a combination of dedicated hardware and computer instructions.
- the modules or units involved in the embodiments of the present disclosure may be implemented in software or hardware. Among them, the name of the module or unit does not constitute a limitation of the unit itself under certain circumstances.
- exemplary types of hardware logic components include: Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), Systems on Chips (SOCs), Complex Programmable Logical Devices (CPLDs) and more.
- FPGAs Field Programmable Gate Arrays
- ASICs Application Specific Integrated Circuits
- ASSPs Application Specific Standard Products
- SOCs Systems on Chips
- CPLDs Complex Programmable Logical Devices
- a machine-readable medium may be a tangible medium that may contain or store a program for use by or in connection with the instruction execution system, apparatus or device.
- the machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium.
- Machine-readable media may include, but are not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices, or devices, or any suitable combination of the foregoing.
- machine-readable storage media would include one or more wire-based electrical connections, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), fiber optics, compact disk read only memory (CD-ROM), optical storage, magnetic storage, or any suitable combination of the foregoing.
- RAM random access memory
- ROM read only memory
- EPROM or flash memory erasable programmable read only memory
- CD-ROM compact disk read only memory
- magnetic storage or any suitable combination of the foregoing.
- the present disclosure provides an interactive dynamic fluid effect processing method, the method comprising:
- the position of the fluid displayed in the user display interface is adjusted, and the motion change of the fluid is dynamically displayed on the user display interface.
- the method further includes:
- the first object is displayed in the user display interface according to the initial display position.
- the detection of the pose change of the target object in the video includes:
- the determining the pose change of the object model corresponding to the first object according to the pose change of the target object and the pose mapping relationship includes:
- the adjusting the position of the fluid displayed in the user display interface according to the pose change of the object model includes:
- the position of the fluid displayed in the user display interface is adjusted according to the change amount of the pose of the object model.
- the detection of changes in the pose of the target object in the video includes:
- the pose mapping relationship includes a first mapping relationship between the change amount of the position of the target object and the change amount of the position of the object model, and the change amount of the pose of the target object and the change amount of the object model.
- the second mapping relationship of the change amount of the attitude is a first mapping relationship between the change amount of the position of the target object and the change amount of the position of the object model, and the change amount of the pose of the target object and the change amount of the object model.
- the determining the change amount of the pose of the object model according to the change amount of the pose of the target object and the pose mapping relationship includes:
- the change amount of the posture of the target object is determined.
- the adjusting the position of the fluid displayed in the user display interface according to the change amount of the pose of the object model includes:
- the position of the fluid particle is adjusted according to the position of the model particle that collided with the fluid particle.
- adjusting the position of the fluid particle according to the position of the model particle that collides with the fluid particle includes:
- the position correction amount the position of the fluid particle that collides with the model particle is adjusted, so as to dynamically display the motion change of the fluid on the user display interface.
- the determining the position correction amount of the fluid particle according to the position of the fluid particle and the position of the model particle that collides with the fluid particle includes:
- a position correction amount of the fluid particle is determined.
- the present disclosure provides an interactive dynamic fluid effect processing device, the device comprising:
- the acquisition module is used to collect video and detect the pose change of the target object in the video
- an acquisition module configured to acquire the pose mapping relationship between the target object and the object model corresponding to the first object displayed in the user display interface
- a determination module configured to determine the pose change of the object model according to the pose change of the target object and the pose mapping relationship
- the adjustment module is configured to adjust the position of the fluid displayed in the user display interface according to the pose change of the object model, and dynamically display the movement change of the fluid on the user display interface.
- the apparatus further includes a receiving module for:
- the first object is displayed in the user display interface according to the initial display position.
- the acquisition module is specifically used for:
- the determining module is specifically used for:
- the adjustment module is specifically used for:
- the position of the fluid displayed in the user display interface is adjusted according to the change amount of the pose of the object model.
- the acquisition module when detecting the variation of the pose of the target object in the video, is used to:
- the pose mapping relationship includes a first mapping relationship between the change amount of the position of the target object and the change amount of the position of the object model, and the change amount of the pose of the target object and the change amount of the object model.
- the second mapping relationship of the change amount of the attitude is a first mapping relationship between the change amount of the position of the target object and the change amount of the position of the object model, and the change amount of the pose of the target object and the change amount of the object model.
- the determining module when determining the change amount of the pose of the object model according to the change of the pose of the target object and the pose mapping relationship, is configured to:
- the change amount of the posture of the target object is determined.
- the adjustment module when the adjustment module adjusts the position of the fluid displayed in the user display interface according to the change in the pose of the object model, the adjustment module is configured to:
- the position of the fluid particle is adjusted according to the position of the model particle that collided with the fluid particle.
- the adjustment module is specifically used to:
- the position correction amount the position of the fluid particle that collides with the model particle is adjusted, so as to dynamically display the motion change of the fluid on the user display interface.
- the adjustment module when determining the position correction amount of the fluid particle according to the position of the fluid particle and the position of the model particle that collides with the fluid particle, is configured to:
- a position correction amount of the fluid particle is determined.
- the present disclosure provides an electronic device, comprising:
- processors one or more processors
- the memory stores one or more application programs, wherein when the one or more application programs are executed by the one or more processors, the electronic device executes the interactive dynamic fluid effect processing method.
- the present disclosure provides a computer-readable medium for storing computer instructions that, when executed by a computer, cause the computer to execute all The interactive dynamic fluid effect processing method described above.
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Abstract
Description
Claims (11)
- 一种交互式动态流体效果处理方法,其特征在于,所述方法包括:采集视频,并检测视频中的目标对象的位姿变化;获取所述目标对象与用户显示界面中显示的第一物体对应的物体模型的位姿映射关系;根据所述目标对象的位姿变化以及所述位姿映射关系,确定所述物体模型的位姿变化;根据所述物体模型的位姿变化,调整所述用户显示界面中显示的流体的位置,并在所述用户显示界面动态展示所述流体的运动变化。
- 根据权利要求1所述的交互式动态流体效果处理方法,其特征在于,所述方法还包括:接收用户针对所述用户显示界面的显示触发操作;显示所述用户显示界面,并开启视频采集装置采集视频;检测所述视频中的目标对象,并获取检测到的所述目标对象在所述用户显示界面中的位置;根据所述目标对象在所述用户显示界面中的位置,确定所述第一物体在所述用户显示界面中的初始显示位置;根据所述初始显示位置,在所述用户显示界面中显示所述第一物体。
- 根据权利要求1所述的交互式动态流体效果处理方法,其特征在于,所述检测视频中的目标对象的位姿变化,包括:检测所述视频中的所述目标对象的位姿的变化量;所述根据所述目标对象的位姿变化以及所述位姿映射关系,确定所述第一物体对应的物体模型的位姿变化,包括:根据所述目标对象的位姿的变化量以及所述位姿映射关系,确定所述物体模型的位姿的变化量;所述根据所述物体模型的位姿变化,调整所述用户显示界面中显示的流体的位置,包括:根据所述物体模型的位姿的变化量,调整所述用户显示界面中显示的 流体的位置。
- 根据权利要求3所述的交互式动态流体效果处理方法,其特征在于,所述检测视频中的目标对象的位姿的变化量,包括:检测视频中的目标对象的位置的变化量和姿态的变化量;其中,所述位姿映射关系包括所述目标对象的位置的变化量和所述物体模型的位置的变化量的第一映射关系,以及所述目标对象的姿态的变化量和所述物体模型的姿态的变化量的第二映射关系。
- 根据权利要求4所述的交互式动态流体效果处理方法,其特征在于,所述根据所述目标对象的位姿的变化量以及所述位姿映射关系,确定所述物体模型的位姿的变化量,包括:根据所述目标对象的位置的变化量和所述第一映射关系,确定所述物体模型的位置的变化量;以及根据所述目标对象的姿态的变化量和所述第二映射关系,确定所述物体模型的姿态的变化量。
- 根据权利要求4所述的交互式动态流体效果处理方法,其特征在于,所述根据所述物体模型的位姿的变化量,调整所述用户显示界面中显示的流体的位置,包括:根据所述物体模型的位置的变化量,确定所述物体模型的各模型粒子的位置;以及针对所述流体中的每个流体粒子,执行如下方法:获取所述流体粒子的位置;根据各所述模型粒子的位置和所述流体粒子的位置,确定与所述流体粒子发生碰撞的模型粒子;根据与所述流体粒子发生碰撞的模型粒子的位置,调整所述流体粒子的位置。
- 根据权利要求6所述的交互式动态流体效果处理方法,其特征在于,对于与模型粒子发生碰撞的每一流体粒子,所述根据与所述流体粒子发生碰撞的模型粒子的位置,调整所述流体粒子的位置,包括:根据所述流体粒子的位置和与所述流体粒子发生碰撞的模型粒子的 位置,确定所述流体粒子的位置修正量;根据所述位置修正量,调整与所述模型粒子发生碰撞的流体粒子的位置,以在所述用户显示界面动态展示所述流体的运动变化。
- 根据权利要求7所述的交互式动态流体效果处理方法,其特征在于,所述根据所述流体粒子的位置和与所述流体粒子发生碰撞的模型粒子的位置,确定所述流体粒子的位置修正量,包括:获取与所述流体粒子发生碰撞的模型粒子的法向信息;获取与所述法向信息对应的第一权重、以及与所述流体粒子和与所述流体粒子发生碰撞的模型粒子之间的第一距离对应的第二权重;基于所述第一距离、所述法向信息、所述第一权重、所述第二权重、以及预设距离,确定所述流体粒子的位置修正量。
- 一种交互式动态流体效果处理装置,其特征在于,所述装置包括:采集模块,用于采集视频,并检测视频中的目标对象的位姿变化;获取模块,用于获取所述目标对象与用户显示界面中显示的第一物体对应的物体模型的位姿映射关系;确定模块,用于根据所述目标对象的位姿变化以及所述位姿映射关系,确定所述物体模型的位姿变化;调整模块,用于根据所述物体模型的位姿变化,调整所述用户显示界面中显示的流体的位置,并在所述用户显示界面动态展示所述流体的运动变化。
- 一种电子设备,其特征在于,包括:一个或多个处理器;存储器,存储一个或多个应用程序,其中所述一个或多个应用程序被所述一个或多个处理器执行时,使得所述电子设备执行根据权利要求1-8任一项所述的交互式动态流体效果处理方法。
- 一种计算机可读介质,其特征在于,所述计算机可读介质用于存储计算机指令,当所述计算机指令被计算机执行时,使得所述计算机执行上述权利要求1-8中任一项所述的交互式动态流体效果处理方法。
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| CN115937964B (zh) * | 2022-06-27 | 2023-12-15 | 北京字跳网络技术有限公司 | 姿态估计的方法、装置、设备和存储介质 |
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| US20230368422A1 (en) | 2023-11-16 |
| US12293546B2 (en) | 2025-05-06 |
| CN114116081B (zh) | 2023-10-27 |
| CN114116081A (zh) | 2022-03-01 |
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