WO2016019786A1 - Procédé et système de photographie de la trajectoire de déplacement d'un objet, et support de stockage informatique - Google Patents

Procédé et système de photographie de la trajectoire de déplacement d'un objet, et support de stockage informatique Download PDF

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Publication number
WO2016019786A1
WO2016019786A1 PCT/CN2015/083992 CN2015083992W WO2016019786A1 WO 2016019786 A1 WO2016019786 A1 WO 2016019786A1 CN 2015083992 W CN2015083992 W CN 2015083992W WO 2016019786 A1 WO2016019786 A1 WO 2016019786A1
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Prior art keywords
picture
object motion
motion track
synthesized
shooting
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PCT/CN2015/083992
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English (en)
Chinese (zh)
Inventor
刘林汶
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努比亚技术有限公司
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Publication of WO2016019786A1 publication Critical patent/WO2016019786A1/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

  • the present invention relates to the field of photographing technology, and in particular, to an object motion trajectory photographing method, system, and computer storage medium.
  • the exposure time usually takes 20 to 60 minutes, which requires a professional camera such as a SLR camera, because it is equipped with a photosensitive hardware that can support long-term continuous exposure.
  • a professional camera such as a SLR camera
  • existing terminals such as mobile phones and tablet computers (PADs) can also shoot object motion trajectories through long-time exposure.
  • the shooting time of object motion trajectory is longer, often It takes several hours or even several hours of continuous shooting. If the shooting is interrupted due to special conditions such as insufficient power or storage space, you need to shoot again, which makes shooting difficult.
  • Embodiments of the present invention are directed to providing an object motion trajectory shooting method, system, and computer storage medium, which can implement breakpoint continuous shooting, prevent an object motion trajectory shooting time from being extended due to interruption, and reduce the difficulty of shooting an object motion trajectory.
  • a method for photographing an object motion trajectory includes:
  • the terminal When the terminal detects an object motion trajectory shooting instruction, the terminal takes a picture every preset exposure time;
  • the terminal will capture the image
  • the slice is synthesized with the object motion track picture before the mark position to generate an object motion track video.
  • the terminal when determining that a flag is set in the preset storage path, the terminal combines the captured picture with an object motion track picture before the flag bit to generate an object motion track video.
  • the terminal uses the last object motion track picture before the flag bit as the first synthesized object motion track picture;
  • the terminal When the picture is captured, the terminal synthesizes the captured picture with the last synthesized object motion track picture to generate a new object motion track picture;
  • the terminal stores the synthesized plurality of object motion trajectory pictures to the preset storage path and based on the plurality of object motion trajectory pictures synthesized during the shooting, and the object motion trajectory before the flag position
  • the picture generates an object motion track video.
  • the terminal when determining that a flag is set in the preset storage path, the terminal combines the captured picture with an object motion track picture before the flag bit to generate an object motion track video.
  • the terminal sorts the captured pictures according to the shooting time, and extracts the captured pictures according to the arrangement order;
  • the terminal uses the last object motion track picture before the flag position as the first synthesized object motion track picture
  • the terminal synthesizes the extracted picture with the last synthesized object motion track picture to generate a new object motion track picture;
  • the terminal stores the synthesized plurality of object motion trajectory pictures to the preset storage path and generates an object motion trajectory video based on the plurality of object motion trajectory pictures synthesized during the shooting process and the picture before the flag position.
  • the method for capturing an object motion track before the terminal captures a picture every preset exposure time when detecting an object motion trajectory shooting instruction further includes:
  • the terminal detects the interrupt request in real time or periodically;
  • the terminal When detecting the interrupt request, the terminal dumps the captured data in the cache to the preset storage path, and adds a preset flag bit at the end of the captured data.
  • the terminal detects an interrupt request in real time or periodically, including:
  • the terminal triggers the interrupt request when the remaining power value of the terminal is less than a preset power threshold; or the terminal triggers when the remaining storage space of the terminal is less than a preset storage space threshold The interrupt request.
  • the method for shooting the object motion track further includes:
  • the first picture is used as the first synthesized object motion track picture
  • the terminal After capturing the first picture, the terminal combines the captured picture with the last synthesized object motion track picture to generate a new object motion track picture for each picture captured;
  • the terminal stores the synthesized plurality of object motion trajectory pictures to the preset storage path slice and generates an object motion trajectory video based on the plurality of object motion trajectory pictures synthesized during the shooting process.
  • the method for capturing the object motion track further includes:
  • the terminal sorts the captured pictures according to the shooting time, and extracts the captured pictures according to the arrangement order;
  • the terminal When extracting the first picture, the terminal takes the first picture as the first time a composite motion picture of the object;
  • the terminal After extracting the first picture, the terminal extracts a picture, and combines the extracted picture with the last synthesized object motion track picture to generate a new object motion track picture;
  • the terminal stores the synthesized plurality of object motion trajectory pictures to the preset storage path and generates an object motion trajectory video based on the plurality of object motion trajectory pictures synthesized during the shooting process.
  • An embodiment of the present invention further provides an object motion trajectory photographing system, where the object motion trajectory photographing system includes:
  • the shooting module is further configured to: when detecting an object motion trajectory shooting instruction, the terminal takes a picture every preset exposure time;
  • Determining a module configured to determine whether a preset flag bit is set in the preset storage path
  • a generating module configured to: when the determining module determines that a flag is set in the preset storage path, synthesize a picture captured by the shooting module with a last picture before the flag bit to generate an object motion Track image or object motion track video.
  • the generating module includes:
  • the processing unit is configured to determine, when the flag is set in the preset storage path, the last object motion track picture before the flag bit as the first synthesized object motion track picture;
  • a picture synthesizing unit configured to: when the picture is captured, synthesize the captured picture with the object motion track picture synthesized last time in the processing unit to generate a new object motion track picture;
  • a generating unit configured to store, at the end of shooting, a plurality of object motion track images synthesized by the picture synthesizing unit to the preset storage path and based on a plurality of object motion track pictures synthesized in the current shooting process, and The motion picture of the object before the flag is generated to generate an object motion track video.
  • the generating module includes:
  • a sorting unit configured to determine that a flag is set in the preset storage path, and the captured pictures are sorted according to a shooting time at the end of shooting;
  • a picture extracting unit configured to extract the captured picture according to an arrangement order obtained by the sorting unit
  • the processing unit is configured to use the last object motion track picture before the flag bit as the first synthesized object motion track picture
  • a picture synthesizing unit configured to, when the picture extracting unit extracts one picture, synthesize the extracted picture with the object motion track picture synthesized last time in the processing unit to generate a new object motion track picture
  • a generating unit configured to store a plurality of object motion trajectory images synthesized by the picture synthesizing unit to the preset storage path and based on a plurality of object motion trajectory pictures synthesized during the shooting process, and a picture before the flag bit Generate an object motion track video.
  • the object motion trajectory photographing system further includes:
  • the detecting module is configured to detect an interrupt request in real time or timing during the shooting process of the object motion track;
  • a storage module configured to: when the detecting module detects the interrupt request, dump the captured data in the cache to the preset storage path, and add a preset flag at the end of the captured data .
  • the object motion trajectory photographing system further includes:
  • the triggering module is configured to trigger the interrupt request when the remaining power value of the terminal is less than a preset power threshold; or trigger the interrupt request when the remaining storage space of the terminal is less than a preset storage space threshold.
  • the object motion trajectory photographing system further includes:
  • a processing module configured to determine that a flag is not set in the preset storage path When the first picture is captured, the first picture is used as the first synthesized object motion track picture;
  • a picture synthesizing module configured to, after capturing the first picture, synthesize a picture, and combine the captured picture with the last synthesized object motion track picture in the processing module to generate a new object motion Track picture
  • the generating module is configured to, when the shooting ends, store the plurality of object motion track images synthesized by the picture synthesizing module to the preset storage path piece and generate the plurality of object motion track images synthesized during the shooting process.
  • Object motion track video is configured to, when the shooting ends, store the plurality of object motion track images synthesized by the picture synthesizing module to the preset storage path piece and generate the plurality of object motion track images synthesized during the shooting process.
  • the object motion trajectory photographing system further includes:
  • a sorting module configured to determine that the captured image is not set in the preset storage path, and the captured images are sorted according to the shooting time at the end of the shooting;
  • a picture extraction module configured to extract the captured picture according to an arrangement order obtained by the sorting module
  • a processing module configured to use the first picture as the first synthesized object motion track picture when the picture extraction module extracts the first picture
  • a picture synthesizing module configured to: after the picture extraction module extracts the first picture, each time a picture is extracted, the extracted picture is combined with the last synthesized object motion track picture to generate a new object motion Track picture
  • the generating module is further configured to store the plurality of object motion track images synthesized by the picture synthesis module to the preset storage path and generate an object motion track video based on the plurality of object motion track pictures synthesized during the shooting process.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are configured to execute the object motion trajectory shooting method according to the embodiment of the invention.
  • Method, system and computer storage medium for shooting an object motion trajectory When an object motion trajectory shooting instruction is detected, and a flag bit is set in a preset storage path, a corresponding object motion trajectory video is generated based on the shooting data corresponding to the flag bit and the shooting data of the shooting, to ensure object motion.
  • the camera can be re-shooted and the corresponding object motion trajectory video is generated based on the previously captured shooting data and the currently captured image, preventing the object trajectory shooting time from being extended due to the interruption, and reducing the motion trajectory of the object. Difficulty.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for photographing an object motion trajectory according to the present invention
  • FIG. 2 is a schematic flow chart of the refinement of the first embodiment of step S30 of FIG. 1;
  • FIG. 3 is a schematic flow chart of the second embodiment of step S30 of FIG. 1;
  • FIG. 4 is a schematic flow chart of a second embodiment of a method for photographing an object motion trajectory according to the present invention.
  • FIG. 5 is a schematic flow chart of a third embodiment of a method for photographing an object motion trajectory according to the present invention.
  • FIG. 6 is a schematic flow chart of a fourth embodiment of a method for photographing an object motion trajectory according to the present invention.
  • FIG. 7 is a schematic diagram of functional modules of a first embodiment of an object motion trajectory photographing system according to the present invention.
  • FIG. 8 is a schematic diagram of a refinement function module of the first embodiment of the generation module of FIG. 7;
  • FIG. 9 is a schematic diagram of a refinement function module of the second embodiment of the generation module of FIG. 7;
  • FIG. 10 is a schematic diagram of functional modules of a second embodiment of an object motion trajectory photographing system according to the present invention.
  • Figure 11 is a block diagram showing the main electrical configuration of a camera of one embodiment of the present invention.
  • the implementation body of the object motion trajectory photographing method of the present invention may be a mobile phone, a tablet computer, a camera, a camera, etc., or any The motion track of the object of the invention can be realized
  • the terminal or device of the photographing method is not limited in the embodiment of the present invention.
  • the types of object motion include: object motion, the photographer is stationary; or, the object Still, the photographer moves; or, the relative motion between the object and the photographer.
  • Embodiments of the present invention provide a method for photographing an object motion trajectory.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for photographing an object motion trajectory according to the present invention.
  • step S10 when detecting the object motion track shooting instruction, the terminal takes a picture every preset exposure time.
  • the terminal may set photographing parameters such as exposure time, sensitivity (ISO), resolution, exposure compensation, noise reduction, etc., when detecting an object motion trajectory shooting instruction or before shooting, the photographing parameter may be
  • the terminal automatically sets or adjusts, and the terminal may preset different parameters according to different object motion scenes over different regions, for the user to select a suitable object motion scene for shooting, or the terminal automatically selects according to the current state of the sky space.
  • the object is moving in the scene for shooting.
  • the step S10 includes: when detecting an object motion trajectory shooting instruction, the terminal displays an object motion scene selection interface, so that the user selects a corresponding object motion scene based on the object motion scene selection interface displayed by the terminal;
  • the terminal locks an object motion scene corresponding to the selection instruction, and adjusts a corresponding shooting parameter based on the locked object motion scene; Take a picture with the exposure time set.
  • the object motion trajectory shooting instruction may be triggered based on a physical shooting button, a virtual shooting button, a voice, a gesture, and a control command sent by a third-party control terminal on the terminal.
  • the terminal may immediately start taking a picture, or The preset preset duration starts to take a picture; wherein the delaying the preset duration to start taking the picture is advantageous to avoid taking a picture when the user shakes the mobile phone by pressing the shooting button or triggering the virtual shooting button.
  • step S20 the terminal determines whether a preset flag bit is set in the preset storage path.
  • the flag bit is configured to indicate that there may be an interruption in the picture data during the shooting process, and the flag bit can be set by the user or the developer.
  • Step S30 When it is determined that the flag is set in the preset storage path, the terminal combines the captured picture with the object motion track picture before the flag bit to generate an object motion track video.
  • the terminal when the flag is set in the preset storage path, the terminal combines the captured picture with the object motion track picture before the flag bit to generate an object motion track video.
  • Ways include:
  • FIG. 2 is a schematic diagram of a refinement process of the first embodiment of step S30.
  • step S30 includes:
  • Step S31 when it is determined that the flag bit is set in the preset storage path, the terminal uses the last object motion track picture before the flag bit as the first synthesized object motion track picture;
  • Step S32 when the picture is captured, the terminal synthesizes the captured picture with the last synthesized object motion track picture to generate a new object motion track picture;
  • Step S33 at the end of the shooting, the terminal stores the synthesized plurality of object motion track pictures to the preset storage path and based on the plurality of object motion track pictures synthesized during the shooting process, and before the flag bit
  • the object motion trajectory image generates an object motion trajectory video.
  • FIG. 3 is a schematic diagram of the refinement process of the second embodiment of step S30.
  • step S30 includes:
  • Step S34 determining that a flag is set in the preset storage path, at the end of shooting,
  • the terminal sorts the captured pictures according to the shooting time, and extracts the captured pictures according to the arrangement order;
  • Step S35 the terminal uses the last object motion track picture before the flag bit as the first synthesized object motion track picture
  • Step S36 the terminal combines the extracted picture with the last synthesized object motion track picture to generate a new object motion track picture every time a picture is extracted;
  • Step S37 the terminal stores the synthesized plurality of object motion track images to the preset storage path and generates an object motion track based on the plurality of object motion track pictures synthesized in the shooting process and the picture before the flag bit. video.
  • the method for synthesizing the first picture captured by the terminal and the last object motion track picture before the previously captured flag may be: The picture pixel and the pixel of the last object motion track picture before the flag bit are superimposed to generate a picture to be synthesized; or, according to the brightness value information of the pixel in the first picture and the last object motion track picture before the flag bit The brightness value information of the middle pixel generates a picture to be synthesized.
  • the terminal displays the selection interface for the user to select whether Generating an object motion trajectory picture or video based on the previously taken picture; when detecting an instruction to generate an object motion trajectory video based on the previous picture, the terminal will capture the first picture before the previously captured flag The last object motion track picture is synthesized as the picture to be combined.
  • a new object motion trajectory picture may be generated by performing pixel superposition or pixel replacement in the image synthesis.
  • a preferred scheme may generate a new object motion trajectory image for pixel replacement. As follows: determining whether the brightness value of the pixel in the picture captured at the same position is greater than the brightness value of the pixel of the last synthesized object motion track picture; determining that the brightness value of the pixel in the picture captured at the same position is greater than the last synthesized When the brightness value of the pixel of the object motion track picture is used, the pixel in the last synthesized object motion track picture is replaced with the pixel corresponding to the position in the captured picture, and a new object motion track picture is generated.
  • the preset exposure time is preferably 5 to 10 seconds (S).
  • the synthesized motion trajectory picture can be subjected to noise reduction processing, and at the same time, according to the exposure degree of the current captured picture, the synthesis ratio of the motion picture of the newly synthesized object is controlled, and overexposure is suppressed.
  • each of the pictures to be combined is video-encoded and processed into common video codes such as MPEG-4, H264, H263, and VP8 to generate an object motion track video.
  • common video codes such as MPEG-4, H264, H263, and VP8.
  • the object motion trajectory shooting method of the embodiment is configured to detect an object motion trajectory shooting instruction and set a flag bit in a preset storage path, based on the shooting data corresponding to the flag bit and the shooting data of the shooting.
  • Corresponding object motion trajectory video to ensure that when the object motion trajectory is interrupted, the camera can be re-shooted and the corresponding object motion trajectory video is generated based on the previously captured shooting data and the currently captured image to prevent the object from being interrupted.
  • the trajectory shooting time is extended, which reduces the difficulty of shooting the object's motion trajectory.
  • the present invention is proposed based on the first embodiment.
  • the method before the step S10, the method further includes:
  • step S40 during the shooting of the object motion track, the terminal detects the interrupt request in real time or timing.
  • the interrupt request may be triggered in multiple manners, which may be illustrated by the following example:
  • the terminal When the power value of the terminal is less than a preset power threshold, the terminal triggers the interrupt request.
  • the remaining power of the terminal can be detected in real time or at a time, and the interrupt request can be triggered when the remaining power of the terminal is less than the preset power threshold.
  • the terminal triggers the interrupt request when the remaining storage space of the terminal is less than a preset storage space threshold.
  • the remaining storage space of the terminal may be detected in real time or periodically, and the interrupt request may be triggered when the remaining storage space of the terminal is less than the preset storage space threshold.
  • Step S50 When detecting the interrupt request, the terminal dumps the captured data in the cache to the preset storage path, and adds a preset flag bit at the end of the captured data.
  • the preset storage path corresponds to a certain folder of a certain storage device, and the corresponding storage device is a non-volatile storage device, and the stored data is not erased while power is off, the preset The storage path can be set by the user.
  • the terminal when detecting that the user generates an instruction of the star track video or the star track picture based on the shooting data of the end adding the identification bit, the terminal generates a star track video or a star track picture based on the shooting data, and Deleting the shooting data corresponding to the flag bit; or, in a preset time interval, the user re-shooting the star track video, the terminal is based on the number of shots According to the generated star track video or the star track picture, the shooting data corresponding to the flag bit is deleted.
  • the method for shooting an object motion trajectory includes:
  • Step S60 When it is determined that the flag is not set in the preset storage path, when the first picture is captured, the first picture is used as the first synthesized object motion track picture;
  • Step S70 after the first picture is captured, the terminal combines the captured picture with the last synthesized object motion track picture to generate a new object motion track picture every time a picture is captured;
  • Step S80 at the end of the shooting, the terminal stores the synthesized plurality of object motion track pictures to the preset storage path piece and generates an object motion track video based on the plurality of object motion track pictures synthesized during the shooting process.
  • a new object motion trajectory picture may be generated by performing pixel superposition or pixel replacement in the image synthesis.
  • a preferred scheme may generate a new object motion trajectory image for pixel replacement. As follows: determining whether the brightness value of the pixel in the picture captured at the same position is greater than the brightness value of the pixel of the last synthesized object motion track picture; determining that the brightness value of the pixel in the picture captured at the same position is greater than the last synthesized When the brightness value of the pixel of the object motion track picture is used, the pixel in the last synthesized object motion track picture is replaced with the pixel corresponding to the position in the captured picture, and a new object motion track picture is generated.
  • the preset exposure time is preferably 5 to 10 s.
  • the synthesized motion trajectory picture can be subjected to noise reduction processing, and at the same time, according to the exposure degree of the captured picture, the synthesis ratio of the motion picture of the newly synthesized object is controlled, and the overexposure is suppressed.
  • the video to be combined is video encoded and processed as Common video encoding such as MPEG-4, H264, H263, VP8, etc., to generate object motion trajectory video.
  • Common video encoding such as MPEG-4, H264, H263, VP8, etc.
  • the fourth embodiment of the object motion trajectory shooting method of the present invention is proposed based on the first to third embodiments,
  • the method for shooting an object motion trajectory includes:
  • Step S90 When it is determined that the flag is not set in the preset storage path, the terminal sorts the captured pictures according to the shooting time, and extracts the captured pictures according to the arrangement order;
  • Step S100 when extracting the first picture, the terminal uses the first picture as the first synthesized object motion track picture;
  • Step S110 after extracting the first picture, the terminal extracts a picture, and combines the extracted picture with the last synthesized object motion track picture to generate a new object motion track picture;
  • Step S120 The terminal stores the synthesized plurality of object motion track pictures to the preset storage path and generates an object motion track video based on the plurality of object motion track pictures synthesized during the shooting process.
  • a new object motion trajectory picture may be generated by performing pixel superposition or pixel replacement in the image synthesis.
  • a preferred scheme may generate a new object motion trajectory image for pixel replacement. As follows: determining whether the brightness value of the pixel in the picture extracted by the same position is greater than the brightness value of the pixel of the last synthesized object motion track picture; determining the brightness value of the pixel in the picture extracted at the same position is greater than the last synthesized When the brightness value of the pixel of the object motion track picture is the motion track of the object synthesized last time The pixels in the slice are replaced with pixels of corresponding positions in the captured picture, and a new object motion track picture is generated.
  • the preset exposure time is preferably 5 to 10 s.
  • the synthesized motion trajectory picture can be subjected to noise reduction processing, and at the same time, according to the exposure degree of the current captured picture, the synthesis ratio of the motion picture of the newly synthesized object is controlled, and overexposure is suppressed.
  • each of the pictures to be combined is video-encoded and processed into common video codes such as MPEG-4, H264, H263, and VP8 to generate an object motion track video.
  • common video codes such as MPEG-4, H264, H263, and VP8.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are configured to execute the object motion trajectory shooting method according to the embodiment of the invention.
  • the invention further provides an object motion trajectory photographing system of the invention.
  • FIG. 7 is a schematic diagram of functional modules of a first embodiment of an object motion trajectory photographing system according to the present invention.
  • the functional block diagram shown in FIG. 7 is merely an exemplary diagram of an embodiment, and those skilled in the art can surround the functional module of the object motion trajectory shooting system shown in FIG.
  • the function modules of the present invention are not limited to the technical solutions of the present invention.
  • the core is the function that each functional module of the defined name has to achieve.
  • the shooting module 10 is further configured to preset every time an object motion shooting instruction is detected. Taking a picture of the exposure time;
  • the determining module 20 is configured to determine whether a preset flag bit is set in the preset storage path
  • the generating module 30 is configured to: when the determining module 20 determines that the flag is set in the preset storage path, synthesize the picture captured by the shooting module 10 and the object motion track picture before the flag position, Generate an object motion track video.
  • the terminal when the shooting module 10 detects an object motion trajectory shooting instruction or before shooting, the terminal may set a current exposure time, ISO, resolution, exposure compensation, noise reduction, and the like, the camera parameters.
  • the terminal can be automatically set or adjusted by the terminal, and the terminal can also preset different parameters according to different object motion scenes over different regions, for the user to select an appropriate object motion scene for shooting, or the terminal automatically selects according to the state of the current starry sky. Shoot the scene with the appropriate object motion.
  • the photographing module 10 includes: an interface providing unit configured to display an object motion scene selection interface when the object motion track shooting instruction is detected, so that the user selects a corresponding object motion based on the object motion scene selection interface displayed by the terminal. a scene; when detecting a selection instruction triggered by the user based on the object motion scene selection interface, locking an object motion scene corresponding to the selection instruction, and adjusting a shooting parameter thereof based on the locked object motion scene; the shooting module 10, Configure to take a picture every preset exposure time.
  • the object motion trajectory shooting instruction may be triggered based on a physical shooting button, a virtual shooting button, a voice, a gesture, and a control command sent by a third-party control terminal on the terminal.
  • the terminal may immediately start capturing a picture, or may delay the preset time length to start taking a picture; wherein the delaying the preset time length to start taking the picture is beneficial to avoid the user pressing Take a picture when you shoot the button or trigger the virtual shooting button to shake the phone.
  • the flag bit is configured to indicate that the picture data may be interrupted during the shooting process, and the flag bit may be set by a user or a developer.
  • the manner in which the terminal combines the captured picture with the object motion track picture before the flag bit to generate the object motion track video includes:
  • FIG. 8 is a schematic diagram of a refinement function module of the first embodiment of the generating module 30.
  • the generating module 30 includes:
  • the processing unit 31 is configured to determine, when the flag is set in the preset storage path, the last object motion track picture before the flag bit as the first synthesized object motion track picture;
  • the picture synthesizing unit 32 is configured to combine the captured picture with the object motion track picture synthesized last time in the processing unit 31 to generate a new object motion track picture when the picture is captured;
  • the generating unit 33 is configured to, when the shooting ends, store the plurality of object motion track images synthesized by the picture synthesizing unit 32 to the preset storage path and based on the plurality of object motion track pictures synthesized during the shooting, and The object motion track picture before the flag bit generates an object motion track video.
  • FIG. 9 is a schematic diagram of the refinement function module of the second embodiment of the generation module 30.
  • the generation module 30 includes:
  • the sorting unit 34 is configured to determine that when the flag is set in the preset storage path, the captured pictures are sorted according to the shooting time at the end of shooting;
  • the picture extracting unit 35 is configured to extract the captured picture according to the sorting order obtained by the sorting unit 34;
  • the processing unit 36 is configured to use the last object motion track picture before the flag bit as the first synthesized object motion track picture
  • the picture synthesizing unit 37 is configured to synthesize the extracted picture with the object motion track picture synthesized last time in the processing unit 36 every time the picture extracting unit 35 extracts a picture to generate a new object motion track picture. ;
  • the generating unit 38 is configured to store the plurality of object motion track pictures synthesized by the picture synthesizing unit 37 to the preset storage path and based on the plurality of object motion track pictures synthesized during the shooting process, and before the flag bit The picture generates an object motion track video.
  • the picture synthesizing unit may combine the currently captured first picture with the last picture before the previously captured flag bit: the picture synthesizing unit will be the first A picture pixel and a pixel of the last object motion track picture before the flag bit are superimposed to generate a new object motion track picture; or the picture synthesis unit is based on the brightness value information and the flag bit of the pixel in the first picture The brightness value information of the pixel in the last object motion track picture is generated, and a new object motion track picture is generated.
  • the image synthesizing unit is further configured to display the selection interface when the flag is set in the preset storage path. For the user to select whether to generate an object motion trajectory video based on the previously taken picture; when receiving the instruction based on the previous shooting of the picture to generate the object video, the first picture taken before the last picture before the previously taken flag is moved The trajectory picture is synthesized as a new object motion trajectory picture.
  • a new object motion track picture may be generated by means of pixel superposition or pixel replacement.
  • one of the solutions generates a new object in a pixel replacement manner.
  • the picture synthesis unit specifically includes: a determination subunit configured to determine whether a brightness value of a pixel in a picture captured at the same location is greater than a brightness value of a pixel of the last synthesized object motion track picture; Configuring, by the determining subunit, determining a brightness value of a pixel in a picture currently captured at the same location When the brightness value of the pixel of the motion track image of the object synthesized last time is greater than the pixel of the corresponding position in the currently captured image, a pixel of the corresponding object motion track is generated.
  • the preset exposure time is preferably 5 to 10 s.
  • the generating module 30 can perform noise reduction processing on the synthesized motion track picture when synthesizing the new object motion track picture, and also control the synthetic ratio of the motion picture of the newly synthesized object according to the exposure degree of the current captured picture, thereby suppressing overexposure. produce.
  • the generating module 30 may perform video encoding processing on each picture to be combined at the end of shooting, and process it into common video encodings such as MPEG-4, H264, H263, and VP8 to generate an object motion track. video. It can be understood by those skilled in the art that each time a new object motion track picture is synthesized, the processing module 30 performs video coding on the synthesized object motion track picture, and based on each video coded when the shooting is completed. The object motion trajectory image generates an object motion trajectory video.
  • the object motion trajectory photographing system proposed in this embodiment generates an object motion trajectory shooting instruction, and when a flag is set in a preset storage path, the shooting data corresponding to the flag bit and the shooting data of the shooting are generated.
  • Corresponding object motion trajectory video to ensure that when the object motion trajectory is interrupted, it can be re-shooted and generate corresponding object motion trajectory video based on the previously captured shooting data and the currently captured image to prevent object motion caused by interruption.
  • the trajectory shooting time is extended to reduce the difficulty of shooting the object's motion trajectory.
  • the object motion trajectory photographing system further includes:
  • the detecting module 40 is configured to detect an interrupt request in real time or periodically during the shooting process of the object motion track;
  • the storage module 50 is configured to: when the detecting module 40 detects the interrupt request, dump the captured data in the cache to the preset storage path, and add a preset at the end of the captured data. Sign bit.
  • the interrupt request may be triggered in multiple manners, which may be illustrated by the following example:
  • the triggering module is configured to trigger the interrupt request when the remaining power value of the terminal is less than a preset power threshold.
  • the detecting module 40 can detect the remaining power of the terminal in real time or timing. When the remaining power of the terminal is less than the preset power threshold, the triggering module can trigger the terminal request.
  • the triggering module is configured to trigger the interrupt request when the remaining storage space of the terminal is less than a preset storage space threshold.
  • the detecting module 40 can detect the remaining storage space of the terminal in real time or timing. When the remaining storage space of the terminal is less than the preset storage space threshold, the trigger module can trigger the terminal request. .
  • the object motion trajectory photographing system further includes a storage module 50 configured to: when the detecting module detects the interrupt request, dump the captured data in the cache to the preset storage path, and Add a preset flag to the end of the shooting data.
  • the preset storage path corresponds to a certain folder of a certain storage device, and the corresponding storage device is a non-volatile storage device, and the stored data is not erased while power is off, the preset storage The path can be set by the user.
  • the processing module 30 when the user is detected to add an identifier based on the end, the processing module 30 generates a star track video or a star track picture based on the shooting data, and deletes the shooting data corresponding to the flag bit; or, in a preset During the time interval, the user re-shoots the star track video, and the processing module 30 generates a star track video or a star track picture based on the shooting data, and deletes the shooting data corresponding to the flag bit.
  • the object motion trajectory photographing system further includes:
  • a processing module configured to determine that a flag is not set in the preset storage path, and when the first picture is captured, the first picture is used as a first synthesized object motion track picture;
  • a picture synthesizing module configured to, after capturing the first picture, synthesize a picture, and combine the captured picture with the last synthesized object motion track picture in the processing module to generate a new object motion Track picture
  • the generating module 30 is further configured to: when the shooting ends, store the plurality of object motion track images synthesized by the picture synthesizing module to the preset storage path piece and based on the plurality of object motion tracks synthesized during the shooting process The picture generates an object motion track video.
  • the image synthesizing module may generate a new object motion trajectory image by means of pixel superposition or pixel replacement in the image synthesis.
  • the image synthesizing module may perform the image synthesizing.
  • the pixel replacement method generates a new object motion trajectory picture.
  • the picture synthesizing module includes: a determining unit configured to determine whether a brightness value of a pixel in a picture captured at the same location is greater than a brightness value of a pixel of the last synthesized object motion track picture; When the determining unit determines that the brightness value of the pixel in the picture captured at the same position is greater than the brightness value of the pixel of the last synthesized object motion track picture, the pixel in the last synthesized object motion track picture is replaced with the shooting. A pixel corresponding to the position in the picture is generated, and a new object motion track picture is generated.
  • the preset exposure time is preferably 5 to 10 s.
  • the picture synthesis module can perform noise reduction processing on the synthesized motion track picture when synthesizing the new object motion track picture, and also control the synthetic ratio of the motion picture of the newly synthesized object according to the exposure degree of the current captured picture, thereby suppressing overexposure. produce.
  • the generating module 30 may perform video encoding processing on each picture to be combined at the end of shooting, and process the image into MPEG-4, H264, H263, VP8 and other common video coding to generate object motion track video. It can be understood by those skilled in the art that each time a new object motion track picture is synthesized, the generating module 30 video-encodes the synthesized object motion track picture, and generates an object based on each video-coded object motion track picture. Motion track video.
  • the object motion trajectory photographing system further includes:
  • a sorting module configured to determine that the captured image is not set in the preset storage path, and the captured images are sorted according to the shooting time at the end of the shooting;
  • a picture extraction module configured to extract the captured picture according to an arrangement order obtained by the sorting module
  • a processing module configured to use the first picture as the first synthesized object motion track picture when the picture extraction module extracts the first picture
  • a picture synthesizing module configured to: after the picture extraction module extracts the first picture, each time a picture is extracted, the extracted picture is combined with the last synthesized object motion track picture to generate a new object motion Track picture
  • the generating module 30 is further configured to store a plurality of object motion track images synthesized by the picture synthesis module to the preset storage path and generate an object motion track video based on the plurality of object motion track pictures synthesized during the shooting process. .
  • the picture synthesis module when the picture synthesis module performs image synthesis, it may be superimposed by pixels or In a manner of pixel replacement, a new object motion trajectory picture is generated.
  • a preferred scheme of the picture synthesis module for performing picture synthesis may generate a new object motion track picture in a pixel replacement manner.
  • the picture synthesizing module includes: a determining unit configured to determine whether a brightness value of a pixel in a picture extracted by the same location is greater than a brightness value of a pixel of the last synthesized object motion track picture; When the determining unit determines that the brightness value of the pixel in the picture extracted by the same location is greater than the brightness value of the pixel of the last synthesized object motion track picture, the pixel in the last synthesized object motion track picture is replaced with the A pixel corresponding to the position in the extracted image is generated, and a new motion picture of the object is generated.
  • the preset exposure time is preferably 5 to 10 s.
  • the picture synthesis module can perform noise reduction processing on the synthesized motion track picture when synthesizing the new object motion track picture, and also control the synthetic ratio of the motion picture of the newly synthesized object according to the exposure degree of the current captured picture, thereby suppressing overexposure. produce.
  • the generating module 30 may perform video encoding processing on each picture to be combined at the end of shooting, and process the image into MPEG-4, H264, H263, VP8 and other common video coding to generate object motion track video. It can be understood by those skilled in the art that each time a new object motion trajectory picture is synthesized, the generating module 30 performs video coding on the synthesized object motion trajectory picture, and generates a motion trajectory picture based on each video encoded object. Object motion track video.
  • the object motion trajectory photographing system may be implemented by a digital camera, a device having a camera (such as a mobile phone, a tablet computer, a notebook computer, etc.) in an actual application, and the object motion trajectory photographing system
  • the imaging module 10, the determining module 20, the generating module 30, and the detecting module 40 are all applicable to a central processing unit (CPU) and a digital signal processor in the object motion tracking system.
  • DSP Digital Signal Processor
  • FPGA Field-Programmable Gate Array
  • FIG 11 is a block diagram showing the main electrical configuration of a camera of one embodiment of the present invention.
  • the photographic lens 101 is composed of a plurality of optical lenses for forming a subject image, and is a single focus lens or a zoom lens.
  • the photographic lens 101 can be moved in the optical axis direction by the lens driving unit 111, and controls the focus position of the taking lens 101 based on the control signal from the lens driving control unit 112, and also controls the focus distance in the case of the zoom lens.
  • the lens drive control circuit 112 performs drive control of the lens drive unit 111 in accordance with a control command from the microcomputer 107.
  • An imaging element 102 is disposed in the vicinity of a position where the subject image is formed by the photographing lens 101 on the optical axis of the photographing lens 101.
  • the imaging element 102 functions as an imaging unit that captures a subject image and acquires captured image data.
  • Photodiodes constituting each pixel are two-dimensionally arranged in a matrix on the imaging element 102. Each photodiode generates a photoelectric conversion current corresponding to the amount of received light, and the photoelectric conversion current is charged by a capacitor connected to each photodiode.
  • the front surface of each pixel is provided with a Bayer array of RGB color filters.
  • the imaging element 102 is connected to an imaging circuit 103 that performs charge accumulation control and image signal readout control in the imaging element 102, and performs waveform shaping after reducing the reset noise of the read image signal (analog image signal). Further, gain improvement or the like is performed to obtain an appropriate signal level.
  • the imaging circuit 103 is connected to the A/D conversion unit 104, which performs analog-to-digital conversion on the analog image signal, and outputs a digital image signal (hereinafter referred to as image data) to the bus 199.
  • image data a digital image signal
  • the bus 199 is a transmission path for transmitting various data read or generated inside the camera.
  • the A/D conversion unit 104 is connected to the bus 199, and an image processor 105, a JPEG processor 106, a microcomputer 107, a SDRAM (Synchronous DRAM) 108, and a memory interface (hereinafter referred to as a memory I/F) are connected. 109. LCD (Liquid Crystal Display) driver 110.
  • the image processor 105 performs OB subtraction on image data based on the output of the image pickup element 102.
  • image processing such as texture, white balance adjustment, color matrix operation, gamma conversion, color difference signal processing, noise removal processing, simultaneous processing, edge processing, and the like.
  • the JPEG processor 106 compresses the image data read out from the SDRAM 108 in accordance with the JPEG compression method. Further, the JPEG processor 106 performs decompression of JPEG image data for image reproduction display. At the time of decompression, the file recorded on the recording medium 115 is read, and after the compression processing is performed in the JPEG processor 106, the decompressed image data is temporarily stored in the SDRAM 108 and displayed on the LCD 116. Further, in the present embodiment, the JPEG method is adopted as the image compression/decompression method. However, the compression/decompression method is not limited thereto, and other compression/decompression methods such as MPEG, TIFF, and H.264 may be used.
  • the microcomputer 107 functions as a control unit of the entire camera, and collectively controls various processing sequences of the camera.
  • the microcomputer 107 is connected to the operation unit 113 and the flash memory 114.
  • the operation unit 113 includes but is not limited to a physical button or a virtual button, and the entity or virtual button may be a power button, a camera button, an edit button, a dynamic image button, a reproduction button, a menu button, a cross button, an OK button, a delete button, and an enlarge button.
  • the operation members such as various input buttons and various input keys are detected, and the operation states of these operation members are detected.
  • the detection result is output to the microcomputer 107.
  • a touch panel is provided on the front surface of the LCD 116 as a display portion, and the touch position of the user is detected, and the touch position is output to the microcomputer 107.
  • the microcomputer 107 executes various processing sequences corresponding to the operation of the user based on the detection result of the operation member from the operation unit 113. (Similarly, this place can be changed to the computer 107 to execute various processing sequences corresponding to the user's operation based on the detection result of the touch panel on the front of the LCD 116.)
  • the flash memory 114 stores programs for executing various processing sequences of the microcomputer 107.
  • the microcomputer 107 performs overall control of the camera in accordance with the program. Further, the flash memory 114 stores various adjustment values of the camera, and the microcomputer 107 reads out the adjustment value, and performs control of the camera in accordance with the adjustment value.
  • the SDRAM 108 is an electrically rewritable volatile memory for temporarily storing image data or the like.
  • the SDRAM 108 temporarily stores image data output from the A/D conversion unit 104 and image data processed in the image processor 105, the JPEG processor 106, and the like.
  • the memory interface 109 is connected to the recording medium 115, and performs control for writing image data and a file header attached to the image data to the recording medium 115 and reading from the recording medium 115.
  • the recording medium 115 is, for example, a recording medium such as a memory card that can be detachably attached to the camera body.
  • the recording medium 115 is not limited thereto, and may be a hard disk or the like built in the camera body.
  • the LCD driver 110 is connected to the LCD 116, and stores image data processed by the image processor 105 in the SDRAM.
  • the image data stored in the SDRAM is read and displayed on the LCD 116, or the image data stored in the JPEG processor 106 is compressed.
  • the JPEG processor 106 reads the compressed image data of the SDRAM, decompresses it, and displays the decompressed image data on the LCD 116.
  • the LCD 116 is disposed on the back surface of the camera body or the like to perform image display.
  • the LCD 116 is provided with a touch panel that detects a user's touch operation.
  • the liquid crystal display panel (LCD 116) is disposed as the display portion.
  • the present invention is not limited thereto, and various display panels such as an organic EL may be employed.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative, examples
  • the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined, or may be integrated into another system, or some features may be ignored. Or not.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage device includes the following steps: the foregoing storage medium includes: a mobile storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.
  • the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions. Enabling a computer device (which may be a personal computer, server, or network device, etc.) to perform all of the methods of the various embodiments of the present invention or section.
  • the foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a ROM, a RAM, a magnetic disk, or an optical disk.
  • a corresponding object motion trajectory video is generated based on the shooting data corresponding to the flag bit and the shooting data of the shooting.
  • the camera can be re-shooted and the corresponding object motion track video can be generated based on the previously captured shooting data and the currently captured picture to prevent the object movement track from being delayed due to the interruption. Reduce the difficulty of shooting the motion of the object.

Abstract

L'invention concerne un procédé de photographie de la trajectoire de déplacement d'un objet. Lorsqu'une instruction de photographier la trajectoire de déplacement d'un objet est détectée par un terminal, celui-ci photographie une image à chaque temps d'exposition prédéfini. Le terminal détermine si oui ou non un indicateur prédéfini est fourni dans un chemin de stockage prédéfini. S'il est déterminé que l'indicateur est fourni dans le chemin de stockage prédéfini, le terminal compose les images photographiées avec les images de la trajectoire de déplacement de l'objet précédant l'indicateur pour produire une vidéo de la trajectoire de déplacement de l'objet. L'invention concerne également un système de photographie de la trajectoire de déplacement d'un objet et un support de stockage informatique.
PCT/CN2015/083992 2014-08-06 2015-07-14 Procédé et système de photographie de la trajectoire de déplacement d'un objet, et support de stockage informatique WO2016019786A1 (fr)

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CN104135627B (zh) * 2014-08-06 2018-03-30 努比亚技术有限公司 物体运动轨迹拍摄方法和系统
CN105072350B (zh) * 2015-06-30 2019-09-27 华为技术有限公司 一种拍照方法及装置
CN109743508A (zh) * 2019-01-08 2019-05-10 深圳市阿力为科技有限公司 一种延时摄影装置及方法

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