WO2016015539A1 - Procédé, terminal et système pour prise de vues de trajectoire d'objet - Google Patents

Procédé, terminal et système pour prise de vues de trajectoire d'objet Download PDF

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Publication number
WO2016015539A1
WO2016015539A1 PCT/CN2015/082976 CN2015082976W WO2016015539A1 WO 2016015539 A1 WO2016015539 A1 WO 2016015539A1 CN 2015082976 W CN2015082976 W CN 2015082976W WO 2016015539 A1 WO2016015539 A1 WO 2016015539A1
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Prior art keywords
image
photographing
terminal
object motion
motion trajectory
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PCT/CN2015/082976
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English (en)
Chinese (zh)
Inventor
邹明双
里强
苗雷
崔小辉
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努比亚技术有限公司
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Publication of WO2016015539A1 publication Critical patent/WO2016015539A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Definitions

  • This paper relates to the field of mobile terminal technology, and in particular to an object motion trajectory shooting method, terminal and system.
  • Embodiments of the present invention provide a method, a terminal, and a system for shooting an object motion trajectory, so as to implement a breakpoint continuous shooting function, to prevent the star track shooting time from being extended due to interruption, and to reduce the difficulty of shooting a star track.
  • an object motion trajectory shooting method provided by an embodiment of the present invention includes the following steps:
  • the first photographing terminal photographs an object motion trajectory
  • the first photographing terminal When the interrupt request is detected during the shooting, the first photographing terminal sends a photographing request to the second photographing terminal according to the interrupt request, and transmits the object motion track data generated by the current photographing to the second photographing terminal. So that the second photographing terminal continues shooting, and generates an object motion trajectory image or video.
  • the causing the second photographing terminal to continue shooting and generating the object motion track image or video comprises:
  • the second photographing terminal continues to perform photographing based on the received object motion trajectory data according to the photographing request;
  • the second photographing terminal When the second photographing terminal ends the photographing, the second photographing terminal combines the object motion trajectory data respectively captured by the first photographing terminal and the second photographing terminal to generate an object motion trajectory image; or The second photographing terminal synthesizes the object motion trajectory video according to the generated object motion trajectory data by the first photographing terminal and the second photographing terminal, respectively.
  • the method further includes:
  • the first photographing terminal detects a power value in real time
  • the first photographing terminal When the power value of the first photographing terminal is less than a first preset value, the first photographing terminal generates the interrupt request.
  • the generating, by the first photographing terminal, the object motion trajectory data includes:
  • the first photographing terminal sets the first image captured by the photographing as an image to be synthesized; after acquiring the first image, an image is collected every preset time;
  • the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set as the image to be synthesized of the next image synthesis;
  • the last image to be composited is set as the object motion trajectory data.
  • the generating, by the first photographing terminal, the object motion trajectory data includes:
  • the first photographing terminal captures and captures the first image and sets the image to be composited; after acquiring the first image, collects an image every preset time, and stores the collected image according to the sequence of the collection. Preset storage area;
  • the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set as the next image synthesis.
  • Image to be synthesized
  • the last image to be composited is set as the object motion trajectory data.
  • the generating, by the first photographing terminal, the object motion trajectory data includes:
  • the first photographing terminal captures and captures a first image and sets the image to be composited; after acquiring the first image, acquiring an image every preset time;
  • the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set as the image to be synthesized of the next image synthesis;
  • the last image to be synthesized and all of the image encoded data are set as object motion trajectory data; or when all the image requests are detected, the image is encoded according to all the images.
  • the video file is synthesized, and the last image to be composited and the video file are set as object motion trajectory data.
  • the generating, by the first photographing terminal, the object motion trajectory data includes:
  • the first photographing terminal captures and captures the first image and sets the image to be composited; after acquiring the first image, collects an image every preset time, and stores the collected image according to the sequence of the collection. Preset storage area;
  • the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set as the next image synthesis.
  • Image to be synthesized
  • the last image to be synthesized and all of the image encoded data are set as object motion trajectory data; or when all the image requests are detected, the image is encoded according to all the images.
  • the video file is synthesized, and the last image to be composited and the video file are set as object motion trajectory data.
  • Photo terminal including:
  • the shooting module is set to shoot the motion track of the object
  • a sending module configured to send a shooting request to the preset shooting terminal according to the interrupt request, and send the object motion track data generated by the current shooting to the preset shooting terminal, when the interrupt request is detected during the shooting, In order to enable the preset shooting terminal to continue shooting, and generate an object motion trajectory image or video.
  • the causing the preset shooting terminal to continue shooting and generating the object motion track image or video comprises:
  • the preset photographing terminal continues to perform photographing based on the received object motion trajectory data according to the photographing request;
  • the preset shooting terminal When the preset shooting terminal ends shooting, the preset shooting terminal combines the object motion trajectory data respectively captured by the object motion trajectory photographing terminal and the preset photographing terminal, and generates an object motion trajectory image; or And the preset photographing terminal synthesizes the object motion track video according to the object motion trajectory data sent by the sending module and the object motion trajectory data generated by the preset photographing terminal.
  • the object motion track photographing terminal further includes:
  • the power detection module is set to detect the power value in real time
  • the request generation module is configured to generate the interrupt request when the detected power value is less than the first preset value.
  • the terminal further includes an image synthesis module and a setting module;
  • the photographing module is further configured to set the first image captured by the photographing as an image to be composited; after acquiring the first image, acquiring an image every preset time;
  • the image synthesizing module is configured to combine the currently acquired image with the image to be synthesized to form a new composite image every time an image is acquired, and set the new composite image to be the next time.
  • Image composite image to be synthesized is configured to combine the currently acquired image with the image to be synthesized to form a new composite image every time an image is acquired, and set the new composite image to be the next time.
  • the setting module is configured to set the last image to be composited as object motion trajectory data when the interrupt request is detected.
  • the terminal further includes a reading module, an image synthesis module, and a setting module;
  • the photographing module is further configured to set the first image captured by the photographing as an image to be synthesized; after acquiring the first image, collect an image at a preset time, and collect the images according to the sequence of the collection.
  • the image is stored in the preset storage area;
  • the reading module is configured to sequentially read the image in the preset storage area
  • the image synthesizing module is configured to, when each of the images is read, synthesize the currently read image and the image to be synthesized to form a new composite image, and the new composite The image is set as the image to be composited for the next image synthesis;
  • the setting module is configured to set the last image to be composited as object motion trajectory data when the interrupt request is detected.
  • an embodiment of the present invention further provides an object motion trajectory photographing system, where the object motion trajectory photographing system includes a first photographing terminal and a second photographing terminal;
  • the first photographing terminal is configured to photograph an object motion trajectory; when an interrupt request is detected during the photographing, the first photographing terminal sends a photographing request to the second photographing terminal according to the interrupt request, And transmitting the motion track data of the object generated by the current shooting to the second photographing terminal;
  • the second photographing terminal is configured to continue to perform photographing according to the photographing request and the received object motion trajectory data; when the second photographing terminal photographing ends, the second photographing terminal according to the second photographing terminal
  • the object motion trajectory data generated by the terminal captures the object motion trajectory image; or the second photographing terminal respectively captures the generated object motion trajectory data according to the object motion trajectory data generated by the first photographing terminal and the second photographing terminal. Synthetic object motion track video.
  • the first photographing terminal is further configured to detect the power value in real time, and generate the interrupt request when the power value of the first photographing terminal is less than the first preset value.
  • An embodiment of the present invention further provides a computer readable storage medium, where the storage medium stores a computer program, where the computer program includes program instructions, when the program instruction is executed by the first photographing terminal device, enabling the device to perform the above The method of shooting the object's motion track.
  • the first photographing terminal transmits the object motion trajectory data generated by the current photographing to the second photographing terminal, and simultaneously sends the photographing request to the second photographing terminal; thereby being The shooting request and the object motion trajectory data continue to be photographed to form an object motion trajectory image or an object motion trajectory video. Therefore, the invention realizes the function of the breakpoint continuous shooting, prevents the star track shooting time from being extended due to the interruption, thereby effectively shortening the time of the star track shooting and reducing the difficulty of the star track shooting.
  • FIG. 1 is a schematic flow chart of a method for photographing an object motion trajectory according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of generating motion trajectory data of an object by a first photographing terminal in an object motion trajectory photographing method according to a first embodiment of the present invention
  • FIG. 3 is a schematic flow chart of generating object motion trajectory data by a first photographing terminal in an object motion trajectory photographing method according to a second embodiment of the present invention
  • FIG. 4 is a schematic flow chart of generating object motion trajectory data by a first photographing terminal in an object motion trajectory photographing method according to a third embodiment of the present invention
  • FIG. 5 is a schematic flowchart of generating motion trajectory data of an object by a first photographing terminal in an object motion trajectory photographing method according to a fourth embodiment of the present invention.
  • FIG. 6 is a schematic diagram of functional modules of an object motion trajectory photographing terminal according to an embodiment of the present invention.
  • FIG. 7 is a system architecture diagram of an object motion trajectory photographing system according to an embodiment of the present invention.
  • the object motion trajectory shooting method and system does not rely on the imaging hardware for long-time exposure, but uses image synthesis technology to simulate long-time exposure, and adjusts parameters such as ISO, picture quality, and scene mode according to the requirements of the shooting scene. And the limitation, the parameter is output to the hardware device, then the image is acquired for image synthesis, and the composite image is encoded to generate a video file, and finally the object motion track video and the object motion track image are captured.
  • the following embodiments of the present invention take a shooting star track as an example for detailed description, but are not limited to shooting a star track, and are also suitable for other similar scenes, such as shooting a moon trajectory.
  • An embodiment of the present invention provides a method for photographing an object motion trajectory.
  • the method for photographing an object motion trajectory includes:
  • Step S10 the first photographing terminal photographs an object motion trajectory
  • the object motion trajectory shooting method is mainly applied to a mobile terminal having a shooting function to perform star track (object motion trajectory) shooting; specifically, the first shooting terminal may be a mobile terminal having a shooting function, such as a smart phone, a PAD Wait.
  • the first photographing terminal has a star track photographing function.
  • the star photographing function of the first photographing terminal is first turned on, and the first photographing terminal is controlled to enter a star track photographing state (ie, the object motion locus photographing state).
  • the object motion is substantially relative to the captured mobile terminal, and the motion type may include the following three situations: 1.
  • the state of the object is motion, the state of the mobile terminal is static; and the state of the object is At rest, the state of the mobile terminal is motion; third, the state of the object and the mobile terminal are the same, but the relative position changes.
  • Step S20 when the interrupt request is detected during the shooting, the first photographing terminal sends a photographing request to the second photographing terminal according to the interrupt request, and sends the object motion track data generated by the current photographing to the Second, the terminal is photographed to cause the second photographing terminal to continue shooting, and generate an object motion trajectory image or video.
  • the first shooting terminal After the first shooting terminal enters the star track shooting state, it is determined in real time whether the preset condition is reached. When the preset condition is reached, the corresponding application will generate an interrupt request to the background server to interrupt the shooting of the first shooting terminal.
  • the preset condition generated by the above interrupt request can be set according to actual needs, for example, an interrupt request can be generated according to the power; the interrupt operation can be actively input by the user, and an interrupt request is generated (for example, for using the first photographing terminal)
  • the interrupt operation may be input to the first photographing terminal, and the interrupt request may be generated by the corresponding application program in the first photographing terminal; and the interrupt request may be generated by other preset conditions.
  • the method further includes:
  • the first photographing terminal detects the electric quantity value in real time
  • the first photographing terminal When the power value of the first photographing terminal is less than a first preset value, the first photographing terminal generates the interrupt request.
  • the first preset value may be a fixed value manually set by the user, or may be calculated according to the star track data generated by the first shooting terminal to ensure that all the star track data generated by the first shooting terminal can be sent to the The second shooting terminal.
  • the first photographing terminal When the first photographing terminal acquires the interrupt request, the first photographing terminal sends a photographing request to the second photographing terminal according to the interrupt request, and sends the star track data (ie, the object motion track data) generated by the current photographing to the The second shooting terminal.
  • the star track data ie, the object motion track data
  • the above-mentioned star-track shooting includes star-track image shooting and/or star-track video shooting. The following describes the star-track image shooting and the star-track video shooting separately.
  • the first photographing terminal may take a star-track trajectory by the following photographing method to form a star-track image: the first photographing terminal sets the first image captured by the photographing as an image to be composited; After obtaining the first image, an image is acquired every preset time; each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and the The new composite image is set as the image to be composited for the next image synthesis.
  • the last image to be composited is set as the star track image.
  • the camera captures an image every preset time, and the preset time is equivalent to the exposure time, preferably 5 to 10 seconds.
  • the first image is the image to be composited, and when the second image (the current image) arrives, the corresponding position of the first image and the second image is Pixels are compared. If the brightness of the second picture is greater than the brightness of the first picture, the pixels of the second picture are extracted to replace the pixels corresponding to the position of the first picture, and finally a composite image is obtained, and then This composite image is the image to be composited, and the subsequent image is subjected to the same processing, and finally a star-track composite image is obtained.
  • the interrupt request is generated before the shooting is completed. When the interrupt request is detected, the first photographing terminal sets the currently captured image to be combined as the star track data, and sends the image to the second photographing terminal.
  • the first photographing terminal can also capture the star-track trajectory by the following photographing method to form a star-track image: the first photographing terminal sets the first image captured by the photographing as an image to be composited; After acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition; sequentially reading the image in the preset storage area Each time an image is read, the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set as the next image. The synthesized image to be synthesized. When the shooting is completed, the last image to be composited is set as the star track image. The interrupt request is generated before the shooting is completed. When the interrupt request is detected, the first photographing terminal sets the currently captured image to be combined as the star track data, and sends the image to the second photographing terminal.
  • the first photographing terminal can capture the star-track track by the following photographing method to form a star-track video: the first photographing terminal sets the first image captured by the photographing as an image to be composited; After obtaining the first image, an image is acquired every preset time; each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and the The new composite image is set as the image to be composited for the next image synthesis; the image to be composited is captured, and the captured image to be composited is encoded to obtain image encoded data; when the shooting is completed, it will be based on all Image encoded data is synthesized into a video file.
  • the interrupt request is generated before the shooting is completed.
  • the image to be synthesized and all the image encoded data are set as star track data; or the interrupt is detected.
  • the video file is synthesized based on all the image encoded data, and the image to be synthesized and the video file are set as star track data.
  • the first photographing terminal can also capture the star-track track by the following photographing method to form a star-track video: the first photographing terminal sets the first image captured by the photographing as an image to be composited; After acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition; sequentially reading the image in the preset storage area Each time an image is read, the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set as the next image.
  • Synthesized image to be composited grab the image to be composited, and encode the captured image to be composited to obtain image encoded data; when the shooting is completed, according to all the images Synthesize video files like encoded data.
  • the interrupt request is generated before the shooting is completed. When the interrupt request is detected, the image to be synthesized and all the image encoded data are set as star track data; or the interrupt is detected. When requested, the video file is synthesized based on all the image encoded data, and the image to be synthesized and the video file are set as star track data.
  • the manner of capturing the image to be composited may be set according to actual needs, for example, the image to be synthesized or the image of the interval to be composited may be continuously captured.
  • Continuously capturing a composite image means that each time a composite image is generated, one image is captured for encoding, that is, all the images to be synthesized are generated as a material of the composite video.
  • the generation of the image to be composited and the capture of the image to be combined for encoding are performed by two threads simultaneously. Since the composite image is encoded while being photographed, it is not necessary to store the generated image to be composited.
  • Interval grabbing refers to selectively capturing a portion of an image to be composited as a material for a composite video.
  • the interval mode can be a manual interval mode or an automatic interval mode.
  • the manual interval mode refers to providing an operation interface for the user to click to trigger the captured image data, such as clicking the screen to capture the currently generated image to be composited;
  • the automatic interval mode refers to capturing the image to be combined according to a preset time interval. That is, an image to be composited is captured every preset time.
  • the second photographing terminal may continue to perform star track image shooting or star track video shooting according to the star track data transmitted by the first photographing terminal.
  • the following is a detailed description of one of the shooting methods.
  • the second photographing terminal has a star track photographing function.
  • the second photographing terminal turns on the star track photographing function after receiving the photographing request, enters a star track photographing state; and receives the image to be composited in the received star track data.
  • the image to be combined sent by the first photographing terminal is set as the image to be synthesized of the second photographing terminal; one image is collected every preset time; after the first image is acquired, one time is collected every preset time.
  • An image each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set to be synthesized for the next image synthesis. Image to continue shooting.
  • the manner in which the second photographing terminal performs the star-track photographing is the same as the manner in which the first photographing terminal performs photographing, and the difference is only that the first photographing terminal is different from the starting point photographed by the second photographing terminal.
  • the first photographing terminal uses the first image photographed by the photographing terminal as the photographing starting point, and the second photographing terminal photographs the breakpoint of the first photographing terminal (ie, the image to be synthesized sent by the first photographing terminal) as a starting point.
  • the first photographing terminal transmits the object motion trajectory data generated by the current photographing to the second photographing terminal, and simultaneously sends the photographing request to the second photographing terminal; thereby being The shooting request and the object motion trajectory data continue to be photographed to form an object motion trajectory image or an object motion trajectory video. Therefore, the embodiment of the invention realizes the function of the breakpoint continuous shooting to prevent the star track shooting time from being extended due to the interruption, thereby effectively shortening the time of the star track shooting and reducing the difficulty of the star track shooting.
  • the above, so that the second photographing terminal continues to perform photographing, and generating an object motion trajectory image or video includes:
  • the second photographing terminal continues to perform photographing based on the received object motion trajectory data according to the photographing request;
  • the second photographing terminal When the second photographing terminal is photographed, the second photographing terminal merges the object motion trajectory data respectively captured by the first photographing terminal and the second photographing terminal, and generates an object motion trajectory image; or The second photographing terminal synthesizes an object motion trajectory video according to the object motion trajectory data generated by the first photographing terminal and the second photographing terminal.
  • the second photographing terminal can capture the star-track track by the following photographing method to form a star-track image: after the second photographing terminal receives the photographing request sent by the first photographing terminal, enters the star track shooting After the state, the image to be synthesized in the received star track data is set as the image to be combined of the second photographing terminal; the image to be combined in the received star track data is set as the image to be combined of the second photographing terminal After the second photographing terminal receives the photographing request sent by the first photographing terminal, an image is collected every preset time; after the first image is acquired, an image is collected every preset time; When an image is obtained, the currently acquired image is combined with the image to be composited to form a new composite image, and the new composite image is set as the image to be composited for the next image synthesis; when the shooting is completed After that, the image to be synthesized which is finally set is used as a star track image (that is, the object motion track image described above). It can be understood
  • the motion trajectory data of the object generated by the first photographing terminal is also different, and a detailed description will be given below in four different embodiments.
  • Motion track data includes:
  • Step S110 the first photographing terminal captures and captures the first image and sets the image to be composited
  • Step S120 after acquiring the first image, collecting an image every preset time;
  • Step S130 each time an image is acquired, the currently acquired image is combined with the image to be synthesized to form a new composite image, and the new composite image is set to be synthesized for the next image synthesis. image;
  • Step S140 when the interrupt request is detected, set the image to be composited as object motion trajectory data.
  • Motion track data includes:
  • Step S210 the first photographing terminal captures and captures the first image and sets the image to be composited
  • Step S220 after acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition;
  • Step S230 sequentially reading the image in the preset storage area
  • Step S240 each time the image is read, the image currently read and the image to be combined are combined to form a new composite image, and the new composite image is set to be lower.
  • Step S250 when the interrupt request is detected, set the image to be composited as object motion trajectory data.
  • the first shooting terminal when the second photographing terminal synthesizes object motion trajectory data generated by the first photographing terminal and the object motion trajectory data generated by the second photographing terminal, When the object moves the trajectory video, the first shooting terminal generates the object motion trajectory data including:
  • Step S310 the first photographing terminal captures and captures the first image and sets the image to be composited
  • Step S320 after acquiring the first image, collecting an image every preset time
  • Step S330 each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set to be synthesized for the next image synthesis. image;
  • Step S340 capturing the image to be synthesized, and performing encoding processing on the captured image to be combined to obtain image encoded data
  • Step S350 when the interrupt request is detected, set the image to be synthesized and all the image encoded data as object motion trajectory data; or when detecting the interrupt request, according to all images
  • the encoded data is synthesized into a video file, and the image to be synthesized and the video file are set as object motion trajectory data.
  • the first shooting terminal when the second photographing terminal synthesizes object motion trajectory data generated by the first photographing terminal and the object motion trajectory data generated by the second photographing terminal, When the object moves the trajectory video, the first shooting terminal generates the object motion trajectory data including:
  • Step S410 the first photographing terminal captures and captures the first image and sets the image to be composited
  • Step S420 after acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition;
  • Step S430 sequentially reading the image in the preset storage area
  • Step S440 each time the image is read, the image currently read and the image to be composited are combined to form a new composite image, and the new composite image is set to be lower.
  • Step S450 Grab the image to be synthesized, and perform encoding processing on the captured image to be synthesized. Obtaining image encoded data
  • Step S460 when the interrupt request is detected, set the image to be synthesized and all the image encoded data as object motion trajectory data; or when detecting the interrupt request, according to all images
  • the encoded data is synthesized into a video file, and the image to be synthesized and the video file are set as object motion trajectory data.
  • the embodiment of the present invention further provides an object motion trajectory photographing terminal, including a processor and a program storage device.
  • an object motion trajectory photographing terminal including a processor and a program storage device.
  • the object motion trajectory photographing terminal provided by the present invention includes:
  • the photographing module 110 is adapted to photograph an object motion trajectory
  • the object motion trajectory photographing terminal is mainly applied to a mobile terminal having a photographing function to perform a star-track (object motion trajectory) photographing; specifically, an object motion trajectory photographing terminal (ie, the first photographing terminal in the above method embodiment) It can be a mobile terminal with a shooting function, such as a smartphone, a PAD, or the like.
  • the object motion trajectory shooting terminal has a star track shooting function.
  • the star track shooting function of the object motion trajectory shooting terminal is turned on, and the object motion trajectory shooting terminal is controlled to enter the star track shooting state (ie, the object motion track shooting state).
  • the object motion is substantially relative to the captured mobile terminal, and the motion type may include the following three situations: 1.
  • the state of the object is motion, the state of the mobile terminal is static; and the state of the object is At rest, the state of the mobile terminal is motion; third, the state of the object and the mobile terminal are the same, but the relative position changes.
  • the sending module 120 is adapted to send a shooting request to a preset shooting terminal according to the interrupt request, and send the object motion track data generated by the current shooting to the preset shooting when the interrupt request is detected during shooting. a terminal, so that the preset shooting terminal continues shooting, and generates an object motion trajectory image or video.
  • the object motion track shooting terminal After the object motion track shooting terminal enters the star track shooting state, it is determined in real time whether the preset condition is reached. When the preset condition is reached, the corresponding application program will generate an interrupt request to the background server to interrupt the shooting of the object motion track shooting terminal.
  • an interrupt request may be generated according to the power; the user may actively input the interrupt operation to generate an interrupt request (for example, when it is required to use the object motion track shooting terminal, it is necessary to pause the shooting of the object motion track shooting terminal, thereby shooting the object motion track
  • the terminal input interrupt operation is generated by the corresponding application program in the object motion trajectory shooting terminal; and the interrupt request may be generated by other preset conditions.
  • the object motion track photographing terminal further includes:
  • the power detecting module 130 is adapted to detect the power value in real time
  • the request generating module 140 is adapted to generate the interrupt request when the detected power value is less than the first preset value.
  • the first preset value may be a fixed value manually set by the user, or may be calculated according to the star track data generated by the shooting of the object motion trajectory, so as to ensure that the star track data generated by the object motion trajectory shooting terminal can be all Send to the preset shooting terminal.
  • the above-mentioned object motion trajectory photographing terminal is the first photographing terminal in the embodiment of the above-mentioned object motion trajectory photographing method, and the photographing process and principle thereof can be referred to the foregoing embodiment, and details are not described herein again.
  • the preset shooting terminal is the second shooting terminal in the embodiment of the object motion trajectory shooting method. For the shooting process and the principle, reference may be made to the foregoing embodiment, and details are not described herein.
  • the object motion trajectory photographing terminal performs different ways of generating object motion trajectory data according to different photographing modes. Specifically, reference may be made to the manner in which the object motion trajectory data is generated.
  • the object motion track photographing terminal further includes an image synthesis module and a setting module;
  • the photographing module is further adapted to capture and capture the first image and set the image to be composited; after acquiring the first image, collect an image every preset time;
  • the image synthesizing module is adapted to synthesize the currently acquired image and the image to be synthesized each time an image is acquired to form a new composite image, and set the new composite image to be the next time.
  • Image composite image to be synthesized
  • the setting module is adapted to set the image to be synthesized as object motion trajectory data when the interrupt request is detected.
  • the object motion track photographing terminal further includes a reading module, an image synthesizing module, and a setting module;
  • the photographing module is further adapted to capture and capture the first image and set the image to be composited; after acquiring the first image, collect an image every preset time, and collect the captured image according to the sequence of the collected Stored in a preset storage area;
  • the reading module is adapted to sequentially read the image in the preset storage area
  • the image synthesizing module is adapted to synthesize the currently read image and the image to be synthesized each time an image is read to form a new composite image, and the new composite The image is set as the image to be composited for the next image synthesis;
  • the setting module is adapted to set the image to be synthesized as object motion trajectory data when the interrupt request is detected.
  • the sending module 120 transmits the object motion trajectory data generated by the current shooting to the second photographing terminal, and simultaneously sends the photographing request to the second photographing terminal;
  • the shooting request and the object motion trajectory data continue to be photographed to form an object motion trajectory image or an object motion trajectory video. Therefore, the embodiment of the invention realizes the function of the breakpoint continuous shooting to prevent the star track shooting time from being extended due to the interruption, thereby effectively shortening the time of the star track shooting and reducing the difficulty of the star track shooting.
  • the embodiment of the present invention further provides an object motion trajectory photographing system.
  • the object motion trajectory photographing system includes a first photographing terminal 100 and a second photographing terminal 200;
  • the first photographing terminal 100 is adapted to photograph an object motion trajectory; when an interrupt request is detected during photographing, the first photographing terminal 100 sends a photographing request to the second photographing according to the interrupt request
  • the terminal 200 transmits the object motion trajectory data generated by the current shooting to the second photographing terminal 200;
  • the object motion trajectory photographing system is mainly applied to a mobile terminal having a photographing function for star-track shooting; specifically, the first photographing terminal 100 may be a mobile terminal having a photographing function, such as a smart phone, a PAD, or the like.
  • the first photographing terminal 100 has a star track photographing function.
  • the star photographing function of the first photographing terminal 100 is first turned on, and the first photographing terminal 100 is controlled. Enter the star track shooting status.
  • the object motion is substantially relative to the captured mobile terminal, and the motion type may include the following three situations: 1.
  • the state of the object is motion, the state of the mobile terminal is static; and the state of the object is At rest, the state of the mobile terminal is motion; third, the state of the object and the mobile terminal are the same, but the relative position changes.
  • the corresponding application After the first shooting end 100 enters the star track shooting state, it is determined in real time whether the preset condition is reached. When the preset condition is reached, the corresponding application will generate an interrupt request to the background server to interrupt the shooting of the first shooting terminal 100. .
  • the preset condition generated by the above interrupt request can be set according to actual needs, for example, an interrupt request can be generated according to the power; the interrupt operation can be actively input by the user, and an interrupt request is generated (for example, for using the first photographing terminal)
  • an interrupt request is generated (for example, for using the first photographing terminal)
  • it is necessary to suspend the photographing of the first photographing terminal 100 so that an interrupt operation can be input to the first photographing terminal 100, and an interrupt request is generated by a corresponding application program in the first photographing terminal 100; and can also be generated by other preset conditions. Interrupt the request.
  • an interrupt request can be generated according to the power
  • the interrupt operation can be actively input by the user
  • an interrupt request is generated (for example, for using the first photographing terminal)
  • the first photographing terminal 100 is further configured to detect the electric quantity value in real time; and when the electric quantity value of the first photographing terminal 100 is less than the first preset value, the first photographing terminal 100 generates the interrupt request.
  • the first preset value may be a fixed value manually set by the user, or may be calculated according to the star track data generated by the first photographing terminal 100 to ensure that the star track data generated by the first photographing terminal 100 can be completely captured. It is sent to the second photographing terminal 200.
  • the first photographing terminal 100 When the first photographing terminal 100 acquires the interrupt request, the first photographing terminal 100 transmits a photographing request to the second photographing terminal 200 according to the interrupt request, and transmits the star track data generated by the current photographing to the second photographing terminal 200.
  • the above-mentioned star-track shooting includes star-track image shooting and/or star-track video shooting, and the following describes the star-track image shooting and/or the star-track video shooting separately.
  • the first photographing terminal 100 can capture the star-track track by the following photographing method to form a star-track image: the first photographing terminal 100 sets the first image captured by the photographing as an image to be composited; After acquiring the first image, an image is acquired every preset time; each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and The new composite image is set to be synthesized for the next image synthesis image.
  • the last image to be composited is set as the star track image.
  • the camera captures an image every preset time, and the preset time is equivalent to the exposure time, preferably 5 to 10 seconds.
  • the first image is the image to be composited, and when the second image (the current image) arrives, the corresponding position of the first image and the second image is Pixels are compared. If the brightness of the second picture is greater than the brightness of the first picture, the pixels of the second picture are extracted to replace the pixels corresponding to the position of the first picture, and finally a composite image is obtained, and then This composite image is the image to be composited, and the subsequent image is subjected to the same processing, and finally a star-track composite image is obtained.
  • the interrupt request is generated before the shooting is completed. When the interrupt request is detected, the first photographing terminal 100 sets the currently captured image to be synthesized as the star track data, and sends the image to the second photographing terminal 200.
  • the first photographing terminal 100 can also capture the star-track trajectory by the following photographing method to form a star-track image: the first photographing terminal 100 sets the first image captured by the photographing as an image to be composited. After acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition; sequentially reading the preset storage area An image; each time the image is read, the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set to be lower The image to be composited in one image synthesis. When the shooting is completed, the last image to be composited is set as the star track image. The interrupt request is generated before the shooting is completed. When the interrupt request is detected, the first photographing terminal 100 sets the currently captured image to be synthesized as the star track data, and sends the image to the second photographing terminal 200.
  • the first photographing terminal 100 can capture the star-track track by the following photographing method to form a star-track video: the first photographing terminal 100 sets the first image captured by the photographing as an image to be composited; After acquiring the first image, an image is acquired every preset time; each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and The new composite image is set as the image to be composited for the next image synthesis; the image to be composited is captured, and the captured image to be composited is encoded to obtain image encoded data; when the shooting is completed, All image encoded data is synthesized into a video file. The interrupt request is generated before the shooting is completed.
  • the image to be synthesized and all the image encoded data are set as star track data; or the interrupt is detected.
  • the video file is synthesized based on all the image encoded data, and the image to be synthesized and the video file are set as star track data.
  • the first photographing terminal 100 can also capture the star-track trajectory by the following photographing method to form a star-track video: the first photographing terminal 100 sets the first image captured by the photographing as an image to be composited. After acquiring the first image, collecting an image every preset time, and storing the collected image in a preset storage area according to the sequence of acquisition; sequentially reading the preset storage area An image; each time the image is read, the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set to be lower Image to be synthesized in one image synthesis; captures the image to be composited, and performs encoding processing on the captured image to be composited to obtain image encoded data; when the shooting is completed, the video file is synthesized according to all the image encoded data.
  • the interrupt request is generated before the shooting is completed.
  • the image to be synthesized and all the image encoded data are set as star track data; or the interrupt is detected.
  • the video file is synthesized based on all the image encoded data, and the image to be synthesized and the video file are set as star track data.
  • the manner of capturing the image to be composited may be set according to actual needs, for example, the image to be synthesized or the image of the interval to be composited may be continuously captured.
  • Continuously capturing a composite image means that each time a composite image is generated, one image is captured for encoding, that is, all the images to be synthesized are generated as a material of the composite video.
  • the generation of the image to be composited and the capture of the image to be combined for encoding are performed by two threads simultaneously. Since the composite image is encoded while being photographed, it is not necessary to store the generated image to be composited.
  • Interval grabbing refers to selectively capturing a portion of an image to be composited as a material for a composite video.
  • the interval mode can be a manual interval mode or an automatic interval mode.
  • the manual interval mode refers to providing an operation interface for the user to click to trigger the captured image data, such as clicking the screen to capture the currently generated image to be composited;
  • the automatic interval mode refers to capturing the image to be combined according to a preset time interval. That is, an image to be composited is captured every preset time.
  • the second photographing terminal 200 is adapted to continue to perform photographing based on the received object motion trajectory data according to the photographing request; when the second photographing terminal 200 ends photographing, the second photographing terminal 200 is configured according to Combining the object motion trajectory data respectively captured by the first photographing terminal 100 and the second photographing terminal 200, and generating an object motion trajectory image; or The second photographing terminal 200 synthesizes the object motion trajectory video according to the object motion trajectory data generated by the first photographing terminal 100 and the second photographing terminal 200.
  • the second photographing terminal 200 has a star-track photographing function.
  • the second photographing terminal 200 turns on the star-track photographing function after receiving the photographing request, enters the star-track photographing state, and receives the received star-track data.
  • the composite image ie, the image to be composited sent by the first photographing terminal 100
  • the composite image is set as the image to be synthesized of the second photographing terminal 200; one image is collected every preset time; after the first image is acquired, every pre-preparation Taking time to collect an image; each time an image is acquired, the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set as the next image. Synthesize the image to be composited to continue the star track.
  • the manner in which the second photographing terminal 200 performs the star-track photographing is the same as the manner in which the first photographing terminal 100 performs photographing, and the only difference is that the first photographing terminal 100 and the photographing terminal 200 are different in starting point.
  • the first photographing terminal 100 takes the first image taken by the photographing terminal as the photographing starting point
  • the second photographing terminal 200 takes the breakpoint of the first photographing terminal 100 (ie, the image to be synthesized sent by the first photographing terminal 100) as a starting point. .
  • the second photographing terminal 200 may photograph the star-track trajectory by the following photographing method to form a star-track image: after the second photographing terminal 200 receives the photographing request sent by the first photographing terminal 100, enters After the star track shooting state, the image to be combined in the received star track data is set as the image to be combined of the second photographing terminal 200; the image to be combined in the received star track data is set as the second photographing terminal.
  • an image is collected every preset time; after the first image is acquired, every preset time Acquiring an image; each time an image is acquired, synthesizing the currently acquired image with the image to be synthesized to form a new composite image, and setting the new composite image as the next image synthesis
  • the image to be composited; when the shooting is completed, the last image to be composited is set as the star track image.
  • the star track image shooting or the star track video shooting can also be performed according to other shooting modes. For the specific shooting principle, reference may be made to the foregoing, and details are not described herein again.
  • the first photographing terminal 100 transmits the object motion trajectory data generated by the current photographing to the second photographing terminal 200, and simultaneously sends the photographing request to the second photographing terminal 200;
  • the photographing terminal 200 according to the photographing request and the motion track of the object
  • the data continues to be photographed to form an object motion trajectory image or an object motion trajectory video. Therefore, the embodiment of the invention realizes the function of the breakpoint continuous shooting to prevent the star track shooting time from being extended due to the interruption, thereby effectively shortening the time of the star track shooting.
  • the motion trajectory data of the object generated by the first photographing terminal 100 is also different, which will be described in detail in four different embodiments.
  • the first photographing terminal 100 when the second photographing terminal 200 generates an object motion trajectory image according to the object motion trajectory data generated by the first photographing terminal 100, the first photographing terminal 100 is further applicable. to:
  • the first photographing terminal 100 captures and captures a first image set as an image to be composited
  • the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set as the image to be synthesized of the next image synthesis;
  • the image to be composited is set as object motion trajectory data.
  • the first photographing terminal 100 when the second photographing terminal 200 generates an object motion trajectory image according to the object motion trajectory data generated by the first photographing terminal 100, the first photographing terminal 100 further Used for:
  • the first photographing terminal 100 captures and captures a first image set as an image to be composited
  • an image is collected every preset time, and the collected image is stored in the preset storage area according to the sequence of acquisition;
  • the currently read image is image-combined with the image to be composited to form a new composite image, and the new composite image is set as the next image synthesis.
  • Image to be synthesized
  • the image to be composited is set as object motion trajectory data.
  • the first photographing terminal 100 is further configured to:
  • the first photographing terminal 100 captures and captures a first image set as an image to be composited
  • the currently acquired image is combined with the image to be combined to form a new composite image, and the new composite image is set as the image to be synthesized of the next image synthesis;
  • the image to be synthesized and all the image encoded data are set as object motion trajectory data; or when the interrupt request is detected, the data is synthesized according to all image codes.
  • a video file, and the image to be composited and the video file are set as object motion trajectory data.
  • the first photographing terminal 100 is further configured to:
  • the first photographing terminal 100 captures and captures a first image set as an image to be composited
  • an image is collected every preset time, and the collected image is stored in the preset storage area according to the sequence of acquisition;
  • the currently read image and the image to be composited are Line image synthesis, forming a new composite image, and setting the new composite image as the image to be synthesized of the next image synthesis;
  • the image to be synthesized and all the image encoded data are set as object motion trajectory data; or when the interrupt request is detected, the data is synthesized according to all image codes.
  • a video file, and the image to be composited and the video file are set as object motion trajectory data.
  • the object motion trajectory shooting method, terminal and system disclosed in the embodiments of the present invention can realize the breakpoint continuous shooting function of the mobile terminal, prevent the star track shooting time from being extended due to the interruption, and reduce the difficulty of the star track shooting.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

L'invention concerne également un procédé de prise de vues de trajectoire d'objet. Le procédé comprend les étapes suivantes : un premier terminal de prise de vues prend des vues d'une trajectoire d'objet ; et lorsqu'une demande d'interruption est détectée pendant le processus de prise de vues, le premier terminal de prise de vues envoie une demande de prise de vues à un second terminal de prise de vues en fonction de la demande d'interruption, et envoie à ce second terminal les données de trajectoire d'objet générées par la prise de vues actuelle, de façon que ce second terminal continue à prendre des vues et génère une image ou une vidéo de la trajectoire de l'objet. L'invention concerne également un terminal de prise de vues de trajectoire d'objet, ainsi qu'un système de prise de vues de trajectoire d'objet. Une fonction de prise de vues discontinue est activée qui permet ainsi d'éviter de longs délais, provoqués par l'interruption, pendant la prise de vues d'une trajectoire d'étoile, et diminue la difficulté de la prise de vues d'une trajectoire d'étoile.
PCT/CN2015/082976 2014-07-29 2015-06-30 Procédé, terminal et système pour prise de vues de trajectoire d'objet WO2016015539A1 (fr)

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CN104135617B (zh) * 2014-07-29 2017-07-14 努比亚技术有限公司 物体运动轨迹拍摄方法、终端及系统
CN108391073A (zh) * 2018-01-29 2018-08-10 盎锐（上海）信息科技有限公司 行踪记录装置及数据分析方法
WO2021142787A1 (fr) * 2020-01-17 2021-07-22 上海亦我信息技术有限公司 Procédés, dispositif et système de génération de modèle spatial et de trajet de déplacement

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