WO2021059372A1 - アニメーション制作システム - Google Patents

アニメーション制作システム Download PDF

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Publication number
WO2021059372A1
WO2021059372A1 PCT/JP2019/037424 JP2019037424W WO2021059372A1 WO 2021059372 A1 WO2021059372 A1 WO 2021059372A1 JP 2019037424 W JP2019037424 W JP 2019037424W WO 2021059372 A1 WO2021059372 A1 WO 2021059372A1
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WO
WIPO (PCT)
Prior art keywords
character
frame rate
camera
image
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/037424
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English (en)
French (fr)
Japanese (ja)
Inventor
義仁 近藤
雅人 室橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Avex Technologies Inc
XVI Inc
Original Assignee
Avex Technologies Inc
XVI Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Avex Technologies Inc, XVI Inc filed Critical Avex Technologies Inc
Priority to PCT/JP2019/037424 priority Critical patent/WO2021059372A1/ja
Priority to JP2020541620A priority patent/JP6955725B2/ja
Priority to US16/977,081 priority patent/US20220358704A1/en
Publication of WO2021059372A1 publication Critical patent/WO2021059372A1/ja
Priority to JP2021152974A priority patent/JP2021193614A/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T13/00—Animation
    • G06T13/20—Three-dimensional [3D] animation
    • G06T13/40—Three-dimensional [3D] animation of characters, e.g. humans, animals or virtual beings

Definitions

  • the present invention relates to an animation production system.
  • a virtual camera is placed in the virtual space (see Patent Document 1).
  • the present invention has been made in view of such a background, and an object of the present invention is to provide a technique capable of shooting an animation in a virtual space.
  • the main invention of the present invention for solving the above problems is an animation production method, in which a computer arranges a character in a virtual space, and arranges a virtual camera for photographing the character.
  • HMD head-mounted display
  • FIG. 1 It is a figure which shows an example of the virtual space displayed on the head-mounted display (HMD) which a user wears in the animation production system 300 of this embodiment. It is a figure which shows the whole structure example of the animation production system 300 which concerns on one Embodiment of this invention. It is a figure which shows typically the appearance of the HMD 110 which concerns on this embodiment. It is a figure which shows the functional structure example of the HMD 110 which concerns on this embodiment. It is a figure which shows typically the appearance of the controller 210 which concerns on this embodiment. It is a figure which shows the functional structure example of the controller 210 which concerns on this embodiment. It is a figure which shows the functional block diagram of the image generation apparatus 310 which concerns on this embodiment. It is a figure which shows the state which each character 4 is duplicated.
  • the present invention includes, for example, the following configuration.
  • the operation of the other character of the two characters is output at the second frame rate.
  • An animation production method featuring. [Item 3] The animation production method according to item 1 or 2.
  • the second frame rate is lower than the first frame rate.
  • FIG. 1 is a diagram showing an example of a virtual space displayed on a head-mounted display (HMD) worn by a user in the animation production system 300 of the present embodiment.
  • a virtual character 4 and a virtual camera 3 are arranged in the virtual space 1, and the character 4 is photographed by using the camera 3.
  • a cameraman 2 photographer character
  • the user can arrange the character 4 and the camera 3 while looking down at the virtual space 1 from a TPV (Third Person View), or can use the FPV as the cameraman 2.
  • TPV Transmissiond Person View
  • a plurality of characters 4 (character 4-1 and character 4-2 in the example of FIG. 1) can be arranged in the virtual space 1, and the user can perform acting while possessing the character 4. it can.
  • the user can also switch the target possessed by each character 4 (for example, characters 4-1 and 4-2). That is, in the animation production system 300 of the present embodiment, one person can play many roles.
  • the cameraman 2 can perform shooting while virtually operating the camera 2, it is possible to realize natural camera work and enrich the expression of the moving image to be shot.
  • FIG. 2 is a diagram showing an overall configuration example of the animation production system 300 according to the embodiment of the present invention.
  • the animation production system 300 can include, for example, an HMD 110, a controller 210, and an image generation device 310 that functions as a host computer.
  • the image generation device 310 can include a display device 311 such as a display and an input device 312 such as a keyboard, a mouse, and a touch panel.
  • An infrared camera (not shown) or the like for detecting the position, orientation, tilt, etc. of the HMD 110 or the controller 210 can be added to the animation production system 300. These devices can be connected to each other by wired or wireless means.
  • each device is equipped with a USB port, and communication can be established by connecting with a cable.
  • HDMI, wired LAN, infrared rays, Bluetooth (registered trademark), WiFi (registered trademark), etc. are wired.
  • communication can be established wirelessly.
  • the image generation device 310 may be any device having a calculation processing function, such as a PC, a game machine, or a mobile communication terminal.
  • FIG. 3 is a diagram schematically showing the appearance of the HMD 110 according to the present embodiment.
  • FIG. 4 is a diagram showing a functional configuration example of the HMD 110 according to the present embodiment.
  • the HMD 110 is attached to the user's head and includes a display panel 120 so as to be arranged in front of the user's left and right eyes.
  • a display panel 120 an optical transmissive type and a non-transmissive type display can be considered, but in the present embodiment, a non-transmissive type display panel capable of providing a more immersive feeling is exemplified.
  • An image for the left eye and an image for the right eye are displayed on the display panel 120, and an image having a stereoscopic effect can be provided to the user by utilizing the parallax of both eyes. If the image for the left eye and the image for the right eye can be displayed, the display for the left eye and the display for the right eye can be provided separately, or an integrated display for the left eye and the right eye can be provided. is there.
  • the housing 130 of the HMD 110 includes a sensor 140.
  • the sensor 140 may include, for example, a magnetic sensor, an acceleration sensor, or a gyro sensor, or a combination thereof, in order to detect movements such as the orientation and tilt of the user's head.
  • the vertical direction of the user's head is the Y-axis, and of the axes orthogonal to the Y-axis, the axis that connects the center of the display panel 120 and the user and corresponds to the front-back direction of the user is the Z-axis, and the Y-axis and the Z-axis.
  • the senor 140 When the axis corresponding to the user's left-right direction is the X-axis, the sensor 140 has a rotation angle around the X-axis (so-called pitch angle), a rotation angle around the Y-axis (so-called yaw angle), and Z. The rotation angle around the axis (so-called roll angle) can be detected.
  • the housing 130 of the HMD 110 may include a plurality of light sources 150 (for example, infrared light LED, visible light LED).
  • a camera for example, an infrared light camera, a visible light camera
  • the HMD 110 may be provided with a camera for detecting a light source installed in the housing 130 of the HMD 110.
  • the housing 130 of the HMD 110 may also include an eye tracking sensor.
  • Eye tracking sensors are used to detect the gaze direction and gaze point of the user's left and right eyes.
  • Various types of eye tracking sensors can be considered. For example, the position of the reflected light on the cornea formed by irradiating the left eye and the right eye with weak infrared light is used as a reference point, and the position of the pupil with respect to the position of the reflected light is used as a reference point.
  • a method of detecting the line-of-sight direction and detecting the intersection of the line-of-sight directions of the left eye and the right eye as the gazing point can be considered.
  • FIG. 5 is a diagram schematically showing the appearance of the controller 210 according to the present embodiment.
  • FIG. 6 is a diagram showing a functional configuration example of the controller 210 according to the present embodiment.
  • the controller 210 can support the user to perform a predetermined input in the virtual space.
  • the controller 210 can be configured as a set of controllers for the left hand 220 and the right hand 230.
  • the left-hand controller 220 and the right-hand controller 230 can each have an operation trigger button 240, an infrared LED 250, a sensor 260, a joystick 270, and a menu button 280.
  • the operation trigger button 240 is arranged as 240a and 240b at positions assuming that when the grip 235 of the controller 210 is gripped, an operation such as pulling the trigger with the middle finger and the index finger is performed.
  • a plurality of infrared LEDs 250 are provided on the frame 245 formed in a ring shape downward from both side surfaces of the controller 210, and the positions of these infrared LEDs are detected by a camera (not shown) provided outside the controller. The position, orientation and tilt of the controller 210 in a specific space can be detected.
  • the controller 210 can incorporate a sensor 260 in order to detect movements such as the orientation and tilt of the controller 210.
  • the sensor 260 may include, for example, a magnetic sensor, an acceleration sensor, a gyro sensor, or a combination thereof.
  • a joystick 270 and a menu button 280 can be provided on the upper surface of the controller 210.
  • the joystick 270 can be moved in the 360-degree direction about the reference point, and it is assumed that the joystick 270 is operated by the thumb when the grip 235 of the controller 210 is gripped. It is assumed that the menu button 280 is also operated with the thumb.
  • the controller 210 may also include a vibrator (not shown) for giving vibration to the hand of the user who operates the controller 210.
  • the controller 210 inputs and outputs in order to output information such as the user's input contents via a button or a joystick and the position, orientation and tilt of the controller 210 via a sensor or the like, and to receive information from the host computer. It has a unit and a communication unit.
  • the system determines the movement and posture of the user's hand based on whether or not the user holds the controller 210 and operates various buttons and joysticks, and the information detected by the infrared LED and the sensor, and pseudo in the virtual space.
  • the user's hand can be displayed and operated.
  • FIG. 7 is a diagram showing a functional configuration diagram of the image generation device 310 according to the present embodiment.
  • the image generator 310 stores user input information transmitted from the HMD 110 or the controller 210, information on the user's head movement and controller movement and operation acquired by a sensor or the like, and performs a predetermined calculation process. Devices such as PCs, game consoles, mobile communication terminals, etc., which have a function for generating images, can be used.
  • the image generation device 310 can include, for example, an input / output unit 320 for establishing a wired connection with peripheral devices such as the HMD 110 and the controller 210, and includes infrared rays, Bluetooth (registered trademark), WiFi (registered trademark), and the like.
  • a communication unit 330 for establishing a wireless connection can be provided.
  • Information regarding the movement of the user's head and the movement and operation of the controller 210 received from the HMD 110, the controller 210, and / or the input device 311 via the input / output unit 320 and / or the communication unit 330 can be obtained from the control unit 340.
  • the character is detected as input contents including movements such as the user's position, line of sight, posture, speech, operation, etc., and by executing a control program stored in the storage unit 350 according to the user's input contents.
  • a process such as performing the control of 4 and generating an image is performed.
  • the user input detection unit 410 can also accept input from an input device 312 such as a keyboard or a mouse.
  • the control unit 340 can be configured by a CPU, but by further providing a GPU specialized for image processing, information processing and image processing can be dispersed and overall processing efficiency can be improved.
  • the image generation device 310 can also communicate with another calculation processing device and have the other calculation processing device share information processing and image processing.
  • the control unit 340 includes a user input detection unit 410 that detects information about the movement of the user's head, a user's speech, and the movement and operation of the controller received from the HMD 110 and / or the controller 210, and a storage unit 350 in advance.
  • the character control unit 420 that executes the control program stored in the control program storage unit 460 with respect to the character 4 stored in the character data storage unit 450, and the virtual space 1 arranged in accordance with the character control. It has a camera control unit 440 that controls the camera 3 and an image generation unit 430 that generates an image of the virtual space 1 taken by the camera 3 based on character control.
  • control of the movement of the character 4 information such as the orientation and inclination of the user's head and the movement of the hand detected via the HMD 110 and the controller 210 is created according to the movement and restrictions of the joints of the human body. It is realized by applying the movement of the bone structure by converting it into the movement of each part of the bone structure and associating the bone structure with the character data stored in advance.
  • the control of the camera 3 is, for example, various settings for the camera 3 according to the movement of the hand of the character 4 (for example, the position of the camera 3 in the virtual space 1, the line-of-sight direction of the camera 3, the focal position, the zoom, etc.). It is done by changing.
  • the storage unit 350 stores the image data of the character 4 and information related to the character 4 such as the attributes of the character 4 in the character data storage unit 450 described above. Further, the control program storage unit 460 stores a program for controlling the movement and facial expression of the character 4 in the virtual space and controlling an object such as the camera 3.
  • the image data storage unit 470 stores the image generated by the image generation unit 430. In the present embodiment, the image stored in the image data storage unit 470 is assumed to be action data for generating a moving image.
  • the action data includes, for example, 3D data for displaying the character 4 in the virtual space 1, pose data for specifying the state of the bone structure of the 3D data, motion data for specifying the movement of the bone structure, and the like. obtain.
  • the action data is stored for each character 4 (and for each object if an object other than the character 4 exists).
  • timing data is attached to the action data so that the actions of each character 4 (and each object) can be synchronized.
  • the image generation unit 430 may register the moving image generated (rendered) based on the action data in the image data storage unit 470.
  • the image generation unit 430 generates a moving image in which the frame rate is different between the character 4 and an object other than the character 4 (for example, a background image).
  • the image generation unit 430 lowers the frame rate of the character 4 to be lower than that of other objects.
  • the operation of the character 4 is set to 12 to 15 FPS (Frames Per Second), and the background image is set to 30 FPS (frame rate of the camera 3). can do. This makes it possible to create a moving image of a so-called limited animation. It is also possible to make the frame rate of the character 4 higher than the frame rate of other objects.
  • the control unit 340 also includes a moving image reproduction unit 490 that reproduces an image stored in the image data storage unit 470.
  • the moving image reproduction unit 490 can reproduce a moving image based on the action data. As described above, timing data is attached to the action data, and based on this, it is possible to generate a moving image in which each character 4 (and each object) is operated in synchronization.
  • the moving image reproduced by the moving image reproduction unit 490 that is, the moving image viewed by the HMD 110 has the same frame rate as other objects (for example, a background image).
  • the reproduction of the character 4 is also 90 FPS. Therefore, in the present embodiment, each character 4 in the virtual space 1 is duplicated, that is, another character 4 duplicated for each character 4 is arranged.
  • FIG. 8 is a diagram showing a state in which each character 4 is duplicated. In the example of FIG. 8, two characters 4-1 (1) and 4-1 (2) are arranged for the character 4-1. Similarly, for the character 4-2, the character 4-2 (1) is arranged. ) And the character 4-2 (2) are arranged.
  • Character 4-1 (1) and character 4-1 (2) are represented by action data having the same shape and the same operation. Further, the character 4-2 (1) and the character 4-2 (2) are represented by action data having the same shape and the same operation.
  • One of the two characters 4 is used for display on the display panel 120 of the HMD 110, and the other is for display on the display unit 61 or display device 311 of the control panel 6 and / or is stored in the image data storage unit 470. Used for.
  • character 4-1 (1) and character 4-2 (1) are used for display on the display panel 120 of the HMD 110, and character 4-1 (2).
  • the character 4-2 (2) are used for display on the display unit 61 and the display device 311 of the control panel 6 (and / or for storage in the image data storage unit 470).
  • the character 4 also operates in the virtual space 1 based on the action data.
  • the user possesses the character 4 and operates the character 4, so that the movement of the character 4 can be corrected during the reproduction of the moving image.
  • the frame rate of the character 4 is set to a frame rate for recording, and is set to a rate preferable for visual recognition via the HMD 110, and the work in the virtual space 1 is performed. It can be made easier.
  • the image generation unit 430 outputs the final animation movie to the display device 311 or the like
  • the frame rate of the character 4 is the frame rate of another object such as the background image (that is, the camera).
  • the image generation unit 430 can generate an moving image by setting an arbitrary frame rate equal to or lower than the frame rate taken by the camera 3 for each object. For example, the image generation unit 430 can increase the frame rate when the movement of the object is faster than the predetermined high-speed threshold value or when the movement of the object is lower than the predetermined low-speed threshold value. ..
  • the user can operate the camera 3 as the cameraman 2 in the virtual space 1 to shoot a moving image. Therefore, since the camera 3 can be operated and photographed in the same manner as in the real world, it is possible to realize natural camera work, and it is possible to give a richer expression to the animated moving image.
  • the frame rate of the character 4 is made lower than the frame rate of other objects such as the background image, so that it seems to be an animation.
  • the expression can be realized.
  • the character 4 also has the same frame rate as the other objects, so that the discomfort of the work experience in the virtual space 1 can be reduced.
  • each character 4 is duplicated, and one character 4 is used for operation in the virtual space 1 and the other character 4 is used for output as a final animation movie. Therefore, the frame rate can be easily changed.
  • the image generator 310 is assumed to be one computer, but the present invention is not limited to this, and the HMD 110 or the controller 210 may be provided with all or a part of the functions of the image generator 310. Good. Further, another computer communicably connected to the image generator 310 can be provided with some functions of the image generator 310.
  • a virtual space based on virtual reality (VR) is assumed, but the present invention is not limited to this, and is limited to an augmented reality (AR) space or a mixed reality (MR) space. Even if there is, the animation production system 300 of this embodiment can be applied as it is.
  • VR virtual reality
  • AR augmented reality
  • MR mixed reality
  • the grid 31 is divided into three vertically and horizontally, but the dividing lines 32 divided by an arbitrary number can be displayed.
  • the user possessing the cameraman 2 or the character 4 performs an operation such as adjusting the position of the grid 31, but the present invention is not limited to this, and a state in which the virtual space 1 is viewed from a bird's-eye view (user).
  • the position of the grid 31 may be adjusted so that neither the photographer 2 nor the character 4 possesses it. In this case, the user can grasp and move the grid 31.
  • the display device 311 displays an image in the real space, but in addition to the real space or instead of the real space, an augmented reality (AR) space or a mixed reality (MR) space or a mixed reality (MR) ; Mixed Reality) It can also be done in space.
  • AR augmented reality
  • MR mixed reality
  • MR mixed reality
  • MR mixed reality
  • a user who is looking at the display device 311 replaces the display device 311 or a user who is different from the user who is looking at the display device 311 uses a device such as an AR / MR glass to AR / It can be viewed in MR space.
  • the frame rate of the character 4 is different from the frame rate of objects other than the character 4 (background image, etc., not shown), but the frame rate can be changed for each object including the character 4. You may do it.
  • the frame rate may be set for each type of object, or each object may have its own frame rate.
  • Each object may be duplicated, and one object may be used for operation in the virtual space 1 and the other object may be used for output to an animation movie while having the same shape, the same operation, and the same position.
  • different frame rates may be set according to the timing on the time axis. For example, different frame rates can be set for any object depending on the period so that the time between the time point t1 and the time point t2 is 15 fps and the time point t3 to the time point t4 is 60 fps.
  • This frame rate may be set manually by the user or automatically by the system.
  • the system automatically sets the frame rate for example, when a background sound (BGM) is added to a moving image, the frame rate can be changed according to the rhythm of the BGM. Further, the frame rate can be changed according to the distance between the camera 3 and the character 4 (an object such as).
  • BGM background sound

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
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  • Processing Or Creating Images (AREA)
PCT/JP2019/037424 2019-09-24 2019-09-24 アニメーション制作システム Ceased WO2021059372A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2019/037424 WO2021059372A1 (ja) 2019-09-24 2019-09-24 アニメーション制作システム
JP2020541620A JP6955725B2 (ja) 2019-09-24 2019-09-24 アニメーション制作システム
US16/977,081 US20220358704A1 (en) 2019-09-24 2019-09-24 Animation production system
JP2021152974A JP2021193614A (ja) 2019-09-24 2021-09-21 アニメーション制作システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/037424 WO2021059372A1 (ja) 2019-09-24 2019-09-24 アニメーション制作システム

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WO2021059372A1 true WO2021059372A1 (ja) 2021-04-01

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10984575B2 (en) 2019-02-06 2021-04-20 Snap Inc. Body pose estimation
WO2021059372A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム
US11615592B2 (en) 2020-10-27 2023-03-28 Snap Inc. Side-by-side character animation from realtime 3D body motion capture
US11748931B2 (en) 2020-11-18 2023-09-05 Snap Inc. Body animation sharing and remixing
US11450051B2 (en) * 2020-11-18 2022-09-20 Snap Inc. Personalized avatar real-time motion capture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001283259A (ja) * 2000-03-31 2001-10-12 Sega Corp 画像処理装置、ゲーム装置および画像処理方法
JP2010092402A (ja) * 2008-10-10 2010-04-22 Square Enix Co Ltd 簡易アニメーション作成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905855B2 (en) * 2010-08-26 2014-12-09 Blast Motion Inc. System and method for utilizing motion capture data
JP5956831B2 (ja) * 2012-05-28 2016-07-27 任天堂株式会社 表示制御システム、表示制御方法、表示制御装置及び表示制御プログラム
JP6276882B1 (ja) * 2017-05-19 2018-02-07 株式会社コロプラ 情報処理方法、装置、および当該情報処理方法をコンピュータに実行させるためのプログラム
WO2021059372A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001283259A (ja) * 2000-03-31 2001-10-12 Sega Corp 画像処理装置、ゲーム装置および画像処理方法
JP2010092402A (ja) * 2008-10-10 2010-04-22 Square Enix Co Ltd 簡易アニメーション作成装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MORISHIMA, SHIGEO ET AL.: "Highlyefficient character animation production.", THE JOURNAL OF THE INSTITUTE OF IMAGE INFORMATION AND TELEVISION ENGINEERS, vol. 62, no. 2, 2008, pages 156 - 160 *

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