WO2022048303A1 - 全景图像拍摄方法及系统、电子设备及可读存储介质 - Google Patents
全景图像拍摄方法及系统、电子设备及可读存储介质 Download PDFInfo
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- WO2022048303A1 WO2022048303A1 PCT/CN2021/105296 CN2021105296W WO2022048303A1 WO 2022048303 A1 WO2022048303 A1 WO 2022048303A1 CN 2021105296 W CN2021105296 W CN 2021105296W WO 2022048303 A1 WO2022048303 A1 WO 2022048303A1
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- panoramic image
- frame
- viewfinder
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000009432 framing Methods 0.000 claims description 96
- 238000012545 processing Methods 0.000 claims description 40
- 238000004590 computer program Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4038—Image mosaicing, e.g. composing plane images from plane sub-images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/32—Indexing scheme for image data processing or generation, in general involving image mosaicing
Definitions
- the present application relates to the field of photography, and more particularly, to a panoramic image capturing method, a panoramic image capturing system, an electronic device, and a computer-readable storage medium.
- Embodiments of the present application provide a panoramic image capturing method, a panoramic image capturing system, an electronic device, and a computer-readable storage medium.
- the panoramic image shooting method of the embodiment of the present application includes: acquiring a first viewfinder frame; when the viewfinder range moves along a first direction of the first viewfinder frame, acquiring a first panorama image, and the first panorama image is obtained by shooting the The scene in the first viewfinder frame is obtained; the second viewfinder frame is obtained according to the acquisition completion signal of the first panoramic image; when the viewfinder range moves along the second direction of the second viewfinder frame, the second panorama is obtained.
- the second panoramic image is obtained by shooting the scene in the second viewfinder frame;
- the third viewfinder frame is obtained according to the acquisition completion signal of the second panoramic image;
- the third viewfinder frame is obtained along the viewfinder range along the third viewfinder frame
- a third panoramic image is obtained, and the third panoramic image is obtained by photographing the scene in the third viewing frame, wherein the first direction, the second direction and the third The directions are different from each other; and a target panoramic image is acquired according to the first panoramic image, the second panoramic image, and the third panoramic image.
- the panoramic image shooting system of the embodiment of the present application includes one or more processors, and the one or more processors are used to obtain a first viewfinder frame; when the viewfinder range moves along the first direction of the first viewfinder frame, obtain a first panoramic image, the first panoramic image is obtained by photographing the scene in the first viewfinder frame; a second viewfinder frame is obtained according to the acquisition completion signal of the first panoramic image; along the first viewfinder frame in the viewfinder range When the second viewfinder frame moves in the second direction, a second panoramic image is obtained, and the second panoramic image is obtained by photographing the scene in the second viewfinder frame; the third viewfinder is obtained according to the acquisition completion signal of the second panoramic image frame; when the framing range moves along the third direction of the third framing frame, a third panoramic image is obtained, and the third panoramic image is obtained by photographing the scene in the third framing frame, wherein the The first direction, the second direction, and the third direction are different from each other; and a target panoramic image is acquired according to the first panoramic image, the second panoramic
- An electronic device includes a housing and the panoramic image capturing system.
- the panoramic image shooting system includes one or more processors, and the one or more processors are used to obtain a first viewfinder frame; when the viewfinder range moves along the first direction of the first viewfinder frame, obtain a first panorama
- the first panoramic image is obtained by photographing the scene in the first viewfinder frame;
- the second viewfinder frame is obtained according to the acquisition completion signal of the first panoramic image;
- the second viewfinder frame is obtained along the viewfinder range along the second viewfinder frame
- the camera moves in the second direction, a second panoramic image is obtained, and the second panoramic image is obtained by photographing the scene in the second viewing frame;
- the third viewing frame is obtained according to the acquisition completion signal of the second panoramic image;
- the framing range moves along the third direction of the third framing frame, a third panoramic image is acquired, and the third panoramic image is obtained by photographing the scene in the third framing frame, wherein the first direction , the second direction and the third direction are different from each other;
- the non-volatile computer-readable storage medium of the embodiments of the present application includes a computer program, and when the computer program is executed by one or more processors, causes the one or more processors to implement the following panoramic image capturing method: acquiring a first viewfinder frame; when the viewfinder range moves along the first direction of the first viewfinder frame, a first panoramic image is obtained, and the first panoramic image is obtained by photographing the scene in the first viewfinder frame; according to the The acquisition completion signal of the first panoramic image acquires a second viewfinder frame; when the viewfinder range moves along the second direction of the second viewfinder frame, a second panorama image is acquired, and the second panorama image is obtained by photographing the first panorama image.
- the scene in the second viewfinder frame is obtained; the third viewfinder frame is obtained according to the acquisition completion signal of the second panoramic image; when the viewfinder range moves along the third direction of the third viewfinder frame, the third panoramic image is obtained,
- the third panoramic image is obtained by photographing the scene in the third viewfinder frame, wherein the first direction, the second direction and the third direction are different from each other; and according to the first panoramic image , the second panoramic image, and the third panoramic image to obtain a target panoramic image.
- FIG. 1 is a schematic flowchart of a panoramic image capturing method according to some embodiments of the present application.
- FIG. 2 is a schematic structural diagram of a panoramic image capturing system according to some embodiments of the present application.
- FIG. 3 is a schematic structural diagram of an electronic device according to some embodiments of the present application.
- 4 to 8 are schematic flowcharts of a panoramic image capturing method according to some embodiments of the present application.
- FIGS. 9 to 10 are schematic diagrams of application scenarios of electronic devices according to some embodiments of the present application.
- FIG. 11 is a schematic diagram of a stitched image of some embodiments of the present application.
- 12 to 16 are schematic diagrams of application scenarios of electronic devices according to some embodiments of the present application.
- FIG. 17 is a schematic diagram of a connection state between a computer-readable storage medium and a processor according to some embodiments of the present application.
- an embodiment of the present application provides a panoramic image capturing method.
- the panoramic image capturing method includes:
- a first panoramic image is acquired, and the first panoramic image is obtained by photographing the scene 80 in the first viewing frame 61;
- a second panoramic image is obtained, and the second panoramic image is obtained by photographing the scene 80 in the second viewing frame 62;
- a third panoramic image is obtained, and the third panoramic image is obtained by photographing the scene 80 in the third viewing frame 63, wherein the first direction D1, the second direction D2 and Third Party D3 are different from each other;
- the target panoramic image is acquired according to the first panoramic image, the second panoramic image, and the third panoramic image.
- acquiring the first panoramic image includes:
- acquiring a second panoramic image includes:
- stitching processing is performed on the multiple frames of the second images to obtain the second panoramic image.
- a third panoramic image is obtained, including:
- stitching processing is performed on the multiple frames of the third images to obtain a third panoramic image.
- acquiring the target panoramic image according to the first panoramic image, the second panoramic image, and the third panoramic image includes:
- the panoramic image capturing method further includes:
- acquiring the target panoramic image according to the first panoramic image, the second panoramic image, and the third panoramic image further includes:
- the target panoramic image is acquired according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image.
- an embodiment of the present application provides a panoramic image capturing method.
- the panoramic image capturing method includes:
- an embodiment of the present application further provides an electronic device 1000 , where the electronic device 1000 includes a panoramic image capturing system 100 .
- the panoramic image capturing system 100 includes one or more processors 30 for executing the methods in 01 , 02 , 03 , 05 , 06 and 07 . That is, referring to FIGS.
- one or more processors 30 are used to obtain the first viewfinder frame 61 ; when the viewfinder range moves along the first direction D1 of the first viewfinder frame 61 , the first panoramic view is obtained
- the first panoramic image is obtained by shooting the scene 80 in the first viewfinder frame 61; the second viewfinder frame 62 is obtained according to the acquisition completion signal of the first panoramic image; the second viewfinder frame 62 is moved in the viewfinder range along the second direction D2 of the second viewfinder frame 62
- the second panoramic image is obtained, the second panoramic image is obtained by shooting the scene 80 in the second viewing frame 62;
- the third viewing frame 63 is obtained according to the acquisition completion signal of the second panoramic image;
- the third panoramic image is obtained by shooting the scene 80 in the third viewfinder frame 63, wherein the first direction D1, the second direction D2 and the third direction D3 are different from each other ; and acquiring a target panoramic image according to the first panoramic image, the second panoramic image, and the
- the electronic device 1000 includes a camera, a mobile phone, a tablet computer, a notebook computer, a smart watch, a game console, a head-mounted display device, and other devices equipped with a camera or a camera function.
- Such an electronic device 1000 includes a panoramic image capture system 100 .
- the panoramic image capturing system 100 may include a camera 10 , a display screen 20 , one or more processors 30 , an input sensor 40 , and a motion sensor 50 .
- the camera 10 is used to photograph the scene 80 .
- the display screen 20 is used for displaying a viewfinder frame, and the viewfinder frame includes a first viewfinder frame 61 , a second viewfinder frame 62 , and a third viewfinder frame 63 .
- the input sensor 40 is used to receive instructions input by the user and send the instructions input by the user to the one or more processors 30 .
- the input sensor 40 is integrated with the display screen 20 on which the user can directly input commands.
- the input sensor 40 may be an input device such as a button, a keyboard, and a touchpad directly installed on the electronic device 1000 , or may be an input device such as a mouse, a keyboard, and a remote control externally connected to the electronic device 1000 .
- the motion sensor 50 may include an inertial measurement unit, a gravity sensor, an accelerometer, and an angular velocity sensor, etc. The motion sensor 50 may be used to obtain the three-dimensional motion posture of the camera, including capturing the motion direction, motion path, rotation direction, and rotation path of the camera.
- the camera 10 is fixed relative to the electronic device 1000 , and the movement of the viewing range is realized by the movement of the electronic device 1000 driving the camera 10 to move, and the movement includes translation and rotation.
- the movement includes translation and rotation.
- a user holds the electronic device 1000 and drives the electronic device 1000 to move, and the camera 10 moves together with the movement of the electronic device 1000 to move the viewing range.
- the camera 10 is movable relative to the electronic device 1000, and the movement of the viewing range is realized by the movement of the camera 10 relative to the electronic device 1000, and the movement includes translation and rotation.
- the position of the electronic device 1000 is fixed, and the camera 10 rotates relative to the electronic device 1000 , so that the viewing range moves with the rotation of the camera 10 .
- the position of the electronic device 1000 is fixed, and the camera 10 protrudes from the casing of the electronic device 1000 and moves relative to the electronic device 1000 , so that the viewing range moves with the movement of the camera 10 .
- the movement of the framing range can also be realized by the electronic device 1000 driving the movement of the camera 10 .
- the position of the electronic device 1000 is movable.
- the user holds the electronic device 1000 and drives the electronic device 1000 to move.
- the camera 10 moves with the movement of the electronic device 1000 to move the viewing range.
- the panorama shooting function of the electronic device 1000 usually only has one viewfinder frame, and the panorama image can only be shot in one dimension direction when shooting the panorama image, and the panorama image obtained in this way can only be covered by a wider field of view in one dimension direction
- the panoramic image can be covered by a wider field of view in the horizontal direction, but the viewing range of the camera 10 cannot be expanded in the vertical direction of the field of view, that is, the captured panoramic image can only be captured in the vertical direction.
- the panoramic image shooting method provided by the present application can not only obtain a panoramic image covered by a wider field of view in one dimensional direction, but also support the shooting of panoramic images along two different dimensional directions and the panoramic images shot in two different dimensional directions. Do stitching processing to obtain the target panoramic image, so that the final obtained target panoramic image is covered by a larger range of field of view in two different dimensional directions, so as to expand the shooting range of the panoramic image.
- acquiring a first panoramic image includes:
- one or more processors 30 are further configured to perform the methods in 0201 , 0203 , and 0205 . That is, the one or more processors 30 are further configured to acquire multiple frames of first images of the scene 80 in the first viewfinder frame 61 ; control the multiple frames of first images to be displayed in sequence in the first viewfinder frame 61 according to the first direction D1 and when the framing range moves along the second direction D2, or when the first framing frame 61 is completely filled with multiple frames of the first image, stitching processing is performed on the multiple frames of the first image to obtain the first panoramic image.
- the electronic device 1000 may acquire the first viewfinder frame 61 and display the viewfinder range in the first viewfinder frame 61 .
- the electronic device 1000 may acquire the viewing range of the camera 10 according to the user input, and display the first viewing frame 61 on the display 20 of the electronic device 1000 to display a preview of the viewing range in the first viewing frame 61 .
- the user may enter the shooting interface of the smart phone 1000 and select the "panorama" shooting mode.
- One or more processors 30 of the smart phone 1000 acquire the viewing range of the camera 10 according to the instructions input by the user, and control the display 20 to correspondingly display the first viewing frame 61 to display a preview of the viewing range in the first viewing frame 61 .
- the viewfinder range may change with the movement of the camera 10, or with the change of the focal length of the camera 10, and the preview of the viewfinder range displayed in the first viewfinder frame 61 also changes in real time.
- a part of the area within the viewing range of the scene 80 captured by the camera 10 of the smartphone 1000 will be displayed in the first viewing frame 61 in real time, that is, a part of the first viewing frame 61 is filled.
- the first image P1 is correspondingly displayed in the first viewfinder frame 61.
- the framing range can also continue to move along the first direction D1.
- the area S1 photographed in the scene 80 also continues to move along the first direction D1, and the first framing frame 61 is newly moved in the first direction D1.
- the image is filled as the first image P2. Since the camera 10 shoots each area in the scene 80 frame by frame in a way of capturing a panoramic image, once capturing starts, it will continue to capture multiple images frame by frame.
- the captured areas are almost the same, and the acquired images are also almost the same.
- the camera 10 continues to shoot in a certain direction, the captured area changes continuously, and the acquired image also changes continuously.
- Multi-frame images can be processed through a stitching algorithm to obtain panoramic images.
- one or more processors 30 obtain the image P1 and the image P2, and according to the first image P1 and the first image P2 acquire the overlapping partial area P1-2 of the first images P1, P2.
- the region P1-2 contains both the feature points of the first image P1 and the first image P2, and one or more processors 30 may match the feature points of the first image P1 and the first image P2 in the region P1-2 , the first image P1 and the first image P2 are spliced and fused into an image P 1,2 through a splicing algorithm.
- the framing range may be moved along the first direction D1 to capture the scene 80 , and one or more processors 30 obtain multiple frames of first images of the scene 80 within the first framing frame 61 .
- the first direction D1 may be left or right along the longitudinal direction of the electronic device 1000 , such as left or right along the horizontal direction of the mobile phone 1000 . It may also be left or right along the short side of the electronic device 1000 , such as left or right along the vertical shooting direction of the mobile phone 1000 .
- the electronic device 1000 can also be left or right in a horizontal direction parallel to the ground, that is, no matter what angle the electronic device 1000 is at at the initial moment of shooting the scene 80, the electronic device 1000 is moved left or right in the horizontal direction during shooting to drive the camera. 10 to move the camera 10 to capture the scene 80 along the first direction D1.
- the mobile phone 1000 is tilted by 45° relative to the horizontal direction parallel to the ground, then hold the mobile phone 1000 to keep the horizontal direction relatively parallel to the ground.
- the scene 80 is captured by tilting 45° and moving the mobile phone 1000 in the horizontal direction.
- the motion sensor 50 may detect the motion state of the electronic device 1000 .
- the first image is displayed on the left side of the first viewfinder frame 61 at the initial moment, and the viewfinder range moves to the left along the first direction D1
- the first image is re-adjusted and displayed on the right side of the first viewfinder frame 61
- the first image is displayed on the right side of the first viewfinder frame 61 at the initial moment, and the viewfinder range moves to the right along the first direction D1
- the first image is readjusted and displayed on the left side of the first viewfinder frame 61 .
- the multi-frame first image displayed at this time may be a stack of multi-frame first images without splicing processing, or may be the first image of each adjacent two frames. Do a preview of the panorama image acquired by the stitching process.
- the one or more processors 30 may Do stitching processing to obtain the first panoramic image.
- the first panoramic image may be displayed within the first viewfinder frame 61 , or may be enlarged and displayed outside the first viewfinder frame 61 .
- the display screen 20 displays a preview of the position of the second viewfinder frame 62 in the second direction D2, and the user can input an instruction to the electronic device 1000 to end the panoramic shooting , you can also move the framing range along the second direction D2 to continue shooting panoramic images.
- the second direction D2 is perpendicular to the first direction D1
- the second viewfinder frame 62 partially overlaps with the first viewfinder frame 61 .
- a preview of the position of the second viewfinder frame 62 vertically upward in the first direction D1 and a position preview of the second viewfinder frame 62 vertically downward in the first direction D1 are displayed in sequence.
- the position preview of the second viewfinder frame 62 when the viewfinder range moves up or down perpendicular to the first direction D1, one or more processors 30 determine the position in the second direction D2, and control the display screen 20 to display the corresponding The second viewfinder frame 62 in the direction.
- one or more processors 30 perform stitching processing on the multiple frames of first images in the first viewfinder frame 61 to obtain the first panoramic image.
- the display screen 20 alternately displays the position where the second viewing frame 62 may appear.
- the viewing range is controlled to move upward along the vertical first direction D1
- the direction is In the second direction D2
- the second viewfinder frame 62 appears above the first viewfinder frame 61 and partially overlaps with the first viewfinder frame 61 .
- the viewing range moves along the second direction D2
- stitching processing is performed on multiple frames of the first images to obtain a first panoramic image.
- the second direction D2 is perpendicular to the first direction D1.
- the first framing frame 61 can be completely filled in the second direction D2 before the multi-frame first image.
- the electronic device 1000 will perform stitching processing on the multiple frames of the first images that have been filled in the first viewfinder frame 61 to obtain the first panoramic image.
- the second viewfinder frame 62 is displayed, and the second viewfinder frame 62 partially overlaps with the first viewfinder frame 61 .
- the motion sensor 50 acquires the motion state of the electronic device 1000. If the area filled in the first viewfinder frame 61 does not exceed the preset first fill threshold, the second viewfinder frame 62 will not be displayed, and the user can continue to follow the The scene 80 is photographed by moving the framing range in the first direction D1 to acquire a first image. In this way, the photographing in the first direction D1 can be prevented from being interrupted when the electronic device 1000 moves in the second direction D2 due to unstable photographing.
- the second viewfinder frame 62 When the area filled by the first viewfinder frame 61 exceeds the preset first fill threshold, if the viewfinder range moves along the second direction D2 beyond the preset first distance threshold, the second viewfinder frame 62 is displayed, and the The multiple frames of the first images in the first viewfinder frame 61 are stitched to obtain a first panoramic image. In the subsequent shooting process, no image will be displayed in the unfilled area of the first viewfinder frame 61 . If the movement of the viewing range along the second direction D2 does not exceed the preset first distance threshold, the second viewing frame 62 will not be displayed to prevent the electronic device 1000 from moving along the first direction D1 when the electronic device 1000 moves towards the second direction D2 due to unstable shooting. filming was interrupted.
- the first viewfinder frame 61 appears in the center of the electronic device 1000 .
- the second viewfinder frame 62 moves the position of the first viewfinder frame 61 to leave a space to display the second viewfinder frame 62 .
- the first viewfinder frame 61 moves downward by a certain distance to leave space to display the second viewfinder frame 62.
- the second viewfinder frame 62 appears downward along the second direction D2
- the second viewfinder frame 62 appears correspondingly downward.
- the first viewfinder frame 61 moves upward by a certain distance to leave space for displaying the second viewfinder frame 62 .
- step 04 when the framing range moves along the second direction D2 of the second framing frame 62, acquiring a second panoramic image includes:
- one or more processors 30 are further configured to perform the methods in 0401 , 0403 , and 0405 . That is, one or more processors 30 are further configured to acquire multiple frames of second images of the scene 80 in the second viewfinder frame 62 ; control the multiple frames of second images to be displayed in sequence in the second viewfinder frame 62 according to the second direction D2 and when the framing range moves along the third direction D3, or when the second framing frame 62 is completely filled by the multiple frames of the second images, stitching processing is performed on the multiple frames of the second images to obtain the second panoramic image.
- one or more processors 30 control the display screen 20 to display the second viewfinder frame 62 .
- the user may move the viewing range along the second direction D2 to capture the second image.
- the user may move the electronic device 1000 along the second direction D2 so that the second image captured by the camera 10 fills the second viewfinder frame 62 .
- the user can preview multiple frames of the second image within the second viewfinder frame 62 .
- the one or more processors 30 when the second viewfinder frame 62 is completely filled by the multiple frames of the second image captured by the user, the one or more processors 30 perform splicing processing on the multiple frames of the second image frame in the second viewfinder frame 62 to Acquire a second panoramic image.
- the display screen 20 displays the position of the third viewfinder frame 63 on the third direction D3, and the user can input an instruction to the electronic device 1000 to end the panoramic shooting, You can also move the framing range in the third direction D3 to continue taking panoramic images.
- the third direction D3 is perpendicular to the second direction D2, the third direction D3 is opposite to the first direction D1, the third viewfinder frame 63 partially overlaps with the second viewfinder frame 62, and the third viewfinder frame 63 and the first viewfinder frame Part 61 overlaps.
- the one or more processors 30 determine the position of the third direction D3 and control the display screen 20 to display the third viewfinder frame 63 .
- the framing range moves along the third direction D3
- stitching processing is performed on multiple frames of second images to obtain a second panoramic image.
- the third direction D3 is perpendicular to the second direction D2, and the third direction D3 is opposite to the first direction D1.
- the third direction D3 can be performed on the premise that the second framing frame 62 is completely filled in the multi-frame second images Move the framing range to stop acquiring the second image.
- the electronic device 1000 will perform stitching processing on the multiple frames of the second images that have been filled in the second viewfinder frame 62 to obtain a second panoramic image.
- the third viewfinder frame 63 is displayed, the third viewfinder frame 63 partially overlaps with the second viewfinder frame 62 , and the third viewfinder frame 63 partially overlaps with the first viewfinder frame 61 .
- the motion sensor 50 acquires the motion state of the electronic device 1000. If the area filled in the second viewfinder frame 62 does not exceed the preset second fill threshold, the third viewfinder frame 63 will not be displayed, and the user can continue to follow the The scene 80 is photographed in the second direction D2 to obtain a second image. In this way, the photographing in the second direction D2 can be prevented from being interrupted when the electronic device 1000 moves toward the third direction D3 due to unstable photographing.
- the third viewfinder frame 63 is displayed, and the Multiple frames of second images in the second viewfinder frame 62 are stitched to obtain a second panoramic image. In the subsequent shooting process, the unfilled area of the second viewfinder frame 62 will no longer be displayed. If the movement of the framing range in the third direction D3 does not exceed the preset second distance threshold, the third framing frame 63 is not displayed to prevent the electronic device 1000 from moving in the third direction D3 along the second direction D2 due to unstable shooting. filming was interrupted.
- one or more processors 30 are further configured to perform the methods in 0601 , 0603 , and 0605 . That is, the one or more processors 30 are further configured to acquire multiple frames of third images of the scene 80 in the third viewfinder frame 63; control the multiple frames of third images to be displayed in sequence in the third viewfinder frame 63 according to the third direction D3 and when the framing range moves along the fourth direction D4, or when the third framing frame 63 is completely filled with multiple frames of the third image, stitching processing is performed on the multiple frames of the third image to obtain a third panoramic image.
- the user can move the viewing range along the third direction D3 to capture a third image.
- the user may move the electronic device 1000 along the third direction D3, so that the third image captured by the camera 10 fills the third viewfinder frame 63.
- the user can preview multiple frames of third images in the third viewfinder frame 63 .
- the one or more processors 30 may Do stitching to obtain a third panoramic image.
- the display screen 20 displays the position of the fourth viewfinder frame 64 in the fourth direction D4, and the user can input an instruction to the electronic device 1000 to end the panoramic shooting, It is also possible to move the framing range along the fourth direction D4 to continue to capture panoramic images.
- the third direction D3 is perpendicular to the fourth direction D4, the fourth direction D4 is the same as the second direction D2, and the third viewfinder frame 63 and the fourth viewfinder frame 64 are partially overlapped.
- the one or more processors 30 determine the position of the fourth direction D4 and control the display screen 20 to display the fourth viewfinder frame 64 .
- the viewing range moves along the fourth direction D4
- stitching processing is performed on multiple frames of third images to obtain a third panoramic image.
- the third direction D3 is perpendicular to the fourth direction D4, and the fourth direction D4 is the same as the second direction D2.
- the framing range moves along the third direction D3 after the area filled by the third framing frame 63 exceeds the preset third filling threshold, the third framing frame 63 can be completely filled in the fourth direction D4 before the premise of the multi-frame third image Move the framing range to stop acquiring the third image.
- the electronic device 1000 will perform stitching processing on the multiple frames of the third images that have been filled in the third viewfinder frame 63 to obtain a third panoramic image.
- the fourth viewfinder frame 64 is displayed, and the fourth viewfinder frame 64 partially overlaps with the third viewfinder frame 63 .
- the motion sensor 50 acquires the motion state of the electronic device 1000. If the area filled in the third viewfinder frame 63 does not exceed the preset third filling threshold, the fourth viewfinder frame 64 will not be displayed, and the user can continue along the The scene 80 is photographed in the third direction D3 to obtain a third image. In this way, the photographing in the third direction D3 can be prevented from being interrupted when the electronic device 1000 moves in the fourth direction D4 due to unstable photographing.
- the fourth viewing frame 64 When the area filled by the third viewing frame 63 exceeds the preset third filling threshold, if the viewing range moves along the fourth direction D4 beyond the preset third distance threshold, the fourth viewing frame 64 is displayed, and the The multiple frames of the third images in the third viewfinder frame 63 are subjected to stitching processing to obtain a third panoramic image. In the subsequent shooting process, the unfilled area of the third viewfinder frame 63 will no longer be displayed. If the movement of the framing range in the fourth direction D4 does not exceed the preset third distance threshold, the fourth framing frame 64 is not displayed to prevent the electronic device 1000 from moving in the fourth direction D4 along the third direction D3 due to unstable shooting. filming was interrupted.
- step 07 obtaining a target panoramic image according to the first panoramic image, the second panoramic image, and the third panoramic image, including:
- 0701 Perform stitching processing on the first panoramic image, the second panoramic image, and the third panoramic image to obtain a target stitched image
- 0703 Crop the target stitched image to obtain the target panoramic image.
- one or more processors 30 are further configured to perform the methods in 0701 and 0703 . That is, one or more processors 30 are further configured to: perform stitching processing on the first panoramic image, the second panoramic image, and the third panoramic image to obtain the target stitched image; and perform cropping processing on the target stitched image to obtain The target panorama image.
- one or more processors 30 have acquired the first panoramic image and the second panoramic image.
- the user may move the viewing range along the third direction D3 to capture the third image, for example, the user may move the electronic device 1000 along the third direction D3 so that the third image captured by the camera 10 fills the third viewing frame 63 .
- the user may input an instruction to the electronic device 1000 to stop capturing the third image.
- the one or more processors 30 perform stitching processing on the multiple frames of the third image to obtain a third panoramic image.
- the multi-frame third image captured by the user when the multi-frame third image captured by the user completely fills the third viewfinder frame 63, an instruction is input, such as pressing the virtual shutter key 41 or the physical shutter key 43, to stop the shooting of the panoramic image and obtain the first Three panoramic images.
- the left and right ends of the preset third viewfinder frame 63 are aligned with the left and right ends of the preset first viewfinder frame 61 , that is, the lengths of the first viewfinder frame 61 and the third viewfinder frame 63 are equal.
- the one or more processors 30 After stopping the shooting of the panoramic image, perform stitching processing on the first panoramic image, the second panoramic image, and the third panoramic image to obtain the target stitched image.
- the length of the target mosaic image can be equal to the length of the first viewfinder frame 61 and the third viewfinder frame 63, and the width of the target mosaic image can be the distance from the upper edge of the third viewfinder frame 63 to the lower edge of the first viewfinder frame 61, or from The distance from the upper edge of the first viewfinder frame 61 to the lower edge of the third viewfinder frame 63 .
- One or more processors 30 may then perform appropriate cropping processing on the target stitched image to obtain a target panoramic image with a suitable aspect ratio. Suitable aspect ratios may be 3:2, 4:3, 16:9, 2:1, etc., which are not limited herein.
- the acquired target panoramic image expands the range covered by the angle of view of the camera 10 along the second direction D2, that is, compared to being covered by a larger range of angle of view in one dimension (horizontal direction)
- the target panoramic image is covered by a wider field of view in both dimensions (horizontal and vertical), and a wider range of scenes 80 can be captured.
- the user may input an instruction, such as pressing the virtual shutter key 41 or pressing the physical shutter key 43, to stop the panoramic image , and obtain a third panoramic image.
- the one or more processors 30 perform stitching processing on the first panoramic image, the second panoramic image, and the third panoramic image to obtain the target stitched image.
- the target mosaic image can be a polygon formed by cutting out a small rectangle from a large rectangle.
- the large rectangle is a rectangle formed by the combination of the preset first viewfinder frame 61 and the third viewfinder frame 63
- the small rectangle is a part of the third viewfinder frame 63 that is neither filled by the first image nor filled by the third image.
- it is necessary to further crop the target stitched image For example, in the target mosaic image shown in FIG. 15 , the image on the left part of the dashed line L1 can be cropped along the dashed line L1, and the image on the right part of the dashed line L1 can be retained as the target panoramic image, or the image on the right part of the dashed line L1 can be further cropped, in order to obtain the target panoramic image with the appropriate aspect ratio.
- a suitable aspect ratio may be 3:2, 4:3, 16:9, 2:1, etc., which is not limited herein.
- the target panoramic image obtained in this way expands the range covered by the angle of view of the lens along the second direction D2, that is, compared with that covered by a larger range of angle of view in one dimension (horizontal direction)
- the target panoramic image is covered by a wider field of view in both dimensions (horizontal and vertical), and a wider range of scenes 80 can be captured.
- the image of the upper part of the dashed line L2 can also be cropped along the dashed line L2, and the image of the lower part of the dashed line L2 can be retained as the target panoramic image, or the image of the lower part of the dashed line L2 can be further cropped, in order to obtain the target panoramic image with the appropriate aspect ratio.
- a suitable aspect ratio may be 3:2, 4:3, 16:9, 2:1, etc., which is not limited herein.
- the target panoramic image obtained in this way discards parts with poor stitching effect, which can ensure that the target panoramic image has a good stitching effect.
- the panoramic image capturing method further includes:
- one or more processors 30 are further configured to perform the methods in 08 , 09 , 010 and 011 . That is, the one or more processors 30 are further configured to acquire the fourth framing frame 64 according to the acquisition completion signal of the third panoramic image; when the framing range moves along the fourth direction D4 of the fourth framing frame 64 , acquire the fourth panoramic image , the fourth panoramic image is obtained by shooting the scene 80 in the fourth viewing frame 64; the fifth viewing frame 65 is obtained according to the acquisition completion signal of the fourth panoramic image; and the fifth viewing frame 6568 moves in the viewing range along the fifth direction D5 of the fifth viewing frame 6568 At the time, a fifth panoramic image is obtained, and the fifth panoramic image is obtained by photographing the scene 80 in the fifth viewing frame 65 , wherein the third direction D3 , the fourth direction D4 and the fifth direction D5 are different from each other.
- the panoramic shooting may be stopped without inputting a signal, but the scene 80 in the fourth viewing frame 64 may be continuously moved along the fourth direction D4 to capture the scene 80 .
- Multi-frame fourth image after the fourth viewfinder frame 64 is completely filled with multiple frames of fourth images, one or more processors 30 perform stitching processing on the multiple frames of fourth images in the fourth viewfinder frame 64 to obtain a fourth panorama image, when one or more processors 30 receive the completion signal of acquiring the fourth panoramic image, the display displays a fifth viewfinder frame 65 .
- the display displays a fifth viewfinder frame 65 .
- the fourth direction D4 is perpendicular to the third direction D3, and the fourth direction D4 is the same as the second direction D2.
- the fifth direction D5 is perpendicular to the fourth direction D4, and the fifth direction D5 is opposite to the third direction D3 and is the same as the first direction D1.
- the fourth viewfinder frame 64 partially overlaps with the third viewfinder frame 63 .
- the fifth viewfinder frame 65 partially overlaps with the fourth viewfinder frame 64 , and the fifth viewfinder frame 65 partially overlaps with the third viewfinder frame 63 and the second viewfinder frame 62 .
- the viewfinder range can be moved along the fifth direction D5, and the scene 80 in the fifth viewfinder frame 65 can be photographed to obtain a fifth panoramic image.
- acquiring the target panoramic image according to the first panoramic image, the second panoramic image, and the third panoramic image further includes:
- 0705 Acquire a target panoramic image according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image.
- one or more processors 30 are further configured to perform the method in 0705 . That is, the one or more processors 30 are further configured to acquire the target panoramic image according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image.
- the user can input an instruction, such as pressing the virtual shutter key 41 or pressing the physical shutter key 43, to stop the shooting of the panoramic image, and to stop the shooting of the panorama image within the currently shot frame.
- the multi-frame images obtained are stitched to obtain corresponding panoramic images, and then stitched according to the obtained panoramic images to obtain the target stitched image.
- the currently captured viewfinder frame is the third viewfinder frame 63
- the multi-frame images in the third viewfinder frame 63 are stitched to obtain a third panoramic image, and then based on the obtained first panoramic image
- the image, the second panoramic image, and the third panoramic image acquire a target stitched image.
- the multi-frame images in the fifth framing frame 65 are stitched to obtain a fifth panoramic image, and then according to the obtained first
- the panorama image, the second panorama image, the third panorama image, the fourth panorama image, and the fifth panorama image acquire the target mosaic image.
- the target stitched image After obtaining the target stitched image, the target stitched image needs to be cropped to obtain a rectangular target panoramic image.
- the cropped rectangular image can also be cropped again to obtain a target panoramic image with a suitable aspect ratio.
- a suitable aspect ratio may be 3:2, 4:3, 16:9, 2:1, etc., which is not limited herein.
- the target stitched image can be obtained according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image, and then the target stitched image can be appropriately cropped to obtain the target stitched image.
- the target panoramic images obtained from the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image are compared with those obtained from the first panoramic image, the second panoramic image, and the third panoramic image.
- the acquired target panoramic image can be covered by a wider range of field angles in the second direction D2, that is, a wider range of scene 80 can be photographed.
- the sixth and seventh viewfinder frames can be continuously acquired according to the panorama image shooting method of the present application, along the sixth direction and the seventh viewfinder frame respectively.
- the sixth panoramic image and the seventh panoramic image are obtained in the direction, and then obtained according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, the fifth panoramic image, the sixth panoramic image, and the seventh panoramic image
- the target panorama image It is also possible to continue to obtain the eighth viewfinder frame, the ninth viewfinder frame, the tenth viewfinder frame and the eleventh viewfinder frame, etc., to obtain a panoramic image covered by a wider field of view in the second direction D2. List them one by one.
- the M-th direction is opposite to the M-2-th direction
- the N-th direction is the same as the second direction D2
- the M-th direction is perpendicular to the N-th direction.
- the third direction D3 is opposite to the first direction D1
- the fifth direction D5 is opposite to the third direction D3, and is the same as the first direction D1
- the seventh direction is opposite to the fifth direction D5, and is the same as the third direction D3, etc.
- the fourth direction D4 is the same as the second direction D2
- the sixth direction is the same as the second direction D2
- the eighth direction is the same as the second direction D2, etc., which are not listed here.
- the first direction D1 is the horizontal direction
- the panoramic images can be continuously accumulated and obtained in the vertical direction, so as to obtain the target panoramic image covered by a larger range of field angles in the vertical direction
- the first direction D1 is the vertical direction
- the panorama images can be continuously acquired along the horizontal direction, so as to obtain the target panorama images covered by a wider range of field angles in the horizontal direction.
- the second direction D2 is perpendicular to the first direction D1, which can facilitate subsequent stitching processing, and it is easy to obtain a rectangular target panoramic image and the stitching effect is good.
- the Nth direction D2 may also be inclined at a certain angle relative to the first direction D1, and the third direction D3 is opposite to the first direction D1.
- the angle of the inclination of the Nth direction D2 relative to the first direction D1 can be greater than 0.
- the angle range of the inclination of the Nth direction D2 relative to the first direction D1 can be [30°, 150°] , that is, the inclination angle of the Nth direction D2 relative to the first direction D1 may be 30°, 41°, 53°, 65°, 70°, 86°, 92°, 109°, 117°, 121°, 133°, 148° °, 150°, etc.
- quadrilateral panoramic images can be acquired in different viewfinder frames, and the panorama images in different viewfinder frames may have the same shape or different shapes.
- panorama images can be continuously acquired along one dimension, and the paths for shooting panorama images can be more diverse, and scenes in a wider range can be shot.
- an embodiment of the present application further provides an electronic device 1000 .
- the electronic device 1000 includes a housing 200 and the panoramic image capturing system 100 of any of the above embodiments.
- the panoramic image capturing system 100 is installed in the casing 200 .
- the panoramic image capturing system 100 includes a camera 10 , a display screen 20 , one or more processors 30 , an input sensor 40 , and a motion sensor 50 .
- the camera 10 is used to photograph the scene 80 .
- the display screen 20 is used to display the viewfinder frame.
- the input sensor 40 is used to receive instructions input by the user and send the instructions input by the user to the one or more processors 30 .
- the motion sensor 50 is used to acquire the three-dimensional motion posture of the camera, including capturing the motion direction, motion path, rotation direction, and rotation path of the camera.
- the electronic device 1000 of the embodiment of the present application can capture a panoramic image covered by a wider range of field angles in one dimension and a panoramic image covered by a wider range of field angles in two dimensions in different directions, so as to expand the panorama The shooting range of the image.
- an embodiment of the present application further provides a non-volatile computer-readable storage medium 400 including a computer program 401 .
- the computer program 401 is executed by one or more processors 30, the one or more processors 30 are caused to execute the panoramic image capturing method of any one of the above embodiments.
- the one or more processors 30 are caused to execute the following panoramic image capturing method:
- the one or more processors 30 are caused to execute the following panoramic image capturing method:
- 0705 Acquire a target panoramic image according to the first panoramic image, the second panoramic image, the third panoramic image, the fourth panoramic image, and the fifth panoramic image.
- any description of a process or method in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing a specified logical function or step of the process , and the scope of the preferred embodiments of the present application includes alternative implementations in which the functions may be performed out of the order shown or discussed, including performing the functions substantially concurrently or in the reverse order depending upon the functions involved, which should It is understood by those skilled in the art to which the embodiments of the present application belong.
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Abstract
一种全景图像拍摄方法、全景图像拍摄系统、电子设备(1000)及计算机可读存储介质(400)。全景图像拍摄方法支持沿两个不同维度方向获取全景图像。
Description
优先权信息
本申请请求2020年9月2日向中国国家知识产权局提交的、专利申请号为202010912160.9的专利申请的优先权和权益,并且通过参照将其全文并入此处。
本申请涉及摄影领域,更具体而言,涉及一种全景图像拍摄方法、全景图像拍摄系统、电子设备及计算机可读存储介质。
目前,诸如手机和平板电脑等电子设备往往带有全景拍摄的功能。目前的全景拍摄往往只能沿一个维度方向拍摄全景图像。
发明内容
本申请实施方式提供一种全景图像拍摄方法、全景图像拍摄系统、电子设备及计算机可读存储介质。
本申请实施方式的全景图像拍摄方法包括:获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取的第二取景框;在所述取景范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
本申请实施方式的全景图像拍摄系统包括一个或多个处理器,一个或多个所述处理器用于获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取第二取景框;在所述取景范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
本申请实施方式的电子设备包括壳体及所述全景图像拍摄系统。所述全景图像拍摄系统包括一个或多个处理器,一个或多个所述处理器用于获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取第二取景框;在所述取景范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
本申请实施方式的非易失性计算机可读存储介质包含计算机程序,当所述计算机程序被一个或多个处理器执行时,使得一个或多个所述处理器实现如下全景图像拍摄方法:获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取第二取景框;在所述取景 范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
本申请的实施方式的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本申请的实施方式的实践了解到。
本申请的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解,其中:
图1是本申请某些实施方式的全景图像拍摄方法的流程示意图;
图2是本申请某些实施方式的全景图像拍摄系统的结构示意图;
图3是本申请某些实施方式的电子设备的结构示意图;
图4至图8是本申请某些实施方式的全景图像拍摄方法的流程示意图;
图9至图10是本申请某些实施方式的电子设备的应用场景示意图;
图11是本申请某些实施方式的拼接图像的示意图;
图12至图16是本申请某些实施方式的电子设备的应用场景示意图;
图17是本申请某些实施方式的计算机可读存储介质和处理器的连接状态示意图。
下面详细描述本申请的实施方式,所述实施方式的示例在附图中示出,其中,相同或类似的标号自始至终表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的,仅用于解释本申请的实施方式,而不能理解为对本申请的实施方式的限制。
请参阅图1至图3、图10、图12及图15,本申请实施方式提供一种全景图像拍摄方法。该全景图像拍摄方法包括:
获取第一取景框61;
在取景范围沿第一取景框61的第一方向D1移动时,获取第一全景图像,第一全景图像通过拍摄第一取景框61内的场景80得到;
根据第一全景图像的获取完成信号获取第二取景框62;
在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,第二全景图像通过拍摄第二取景框62内的场景80得到;
根据第二全景图像的获取完成信号获取第三取景框63;
在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,第三全景图像通过拍摄第三取景框63内的场景80得到,其中,第一方向D1、第二方向D2及第三方向D3互不相同;及
根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像。
请参阅图4、图10及图11,在某些实施方式中,在取景范围沿第一取景框61的第一方向移动时,获取第一全景图像,包括:
获取第一取景框61内的场景80的多帧第一图像;
控制在第一取景框61内根据第一方向D1依序显示多帧第一图像;及
当取景范围沿第二方向D2移动时,或当多帧第一图像将第一取景框61完全填充时,对多帧第一图像做拼接处理,以获取第一全景图像。
请参阅图5,在某些实施方式中,在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,包括:
获取第二取景框62内的场景80的多帧第二图像;
控制在第二取景框62内根据第二方向D2依序显示多帧第二图像;及
当取景范围0沿第三方向D3移动时,或当多帧第二图像将第二取景框62完全填充时,对多帧第二图像做拼接处理,以获取第二全景图像。
请一并参阅图6、图14、及图15,在某些实施方式中,在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,包括:
获取第三取景框63内的场景80的多帧第三图像;
控制在第三取景框63内根据第三方向D3依序显示多帧第三图像;及
当取景范围沿第四方向D4移动时,或当多帧第三图像将第三取景框63完全填充时,对多帧第三图像做拼接处理,以获取第三全景图像。
请一并参阅图7及图15,在某些实施方式中,根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像,包括:
对第一全景图像、第二全景图像、及第三全景图像做拼接处理,以获取目标拼接图像;及
对目标拼接图像做裁剪处理,以获取目标全景图像。
请一并参阅图8及图16,在某些实施方式中,全景图像拍摄方法还包括:
根据第三全景图像的获取完成信号获取第四取景框64;
在取景范围沿第四取景框64的第四方向D4移动时,获取第四全景图像,第四全景图像通过拍摄第四取景框64内的场景80得到;
根据第四全景图像的获取完成信号获取第五取景框65;及
在沿第五取景框65的第五方向D5移动时,获取第五全景图像,第五全景图像通过拍摄第五取景框65内的场景80得到,其中,第三方向D3、第四方向D4及第五方向D5互不相同。
请再次参阅图8,在某些实施方式中,根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像,还包括:
根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标全景图像。
下面结合附图对本申请实施方式全景图像拍摄方法作详细说明。
请参阅图1至图3、图10、图12及图15,本申请实施方式提供一种全景图像拍摄方法。该全景图像拍摄方法包括:
01:获取第一取景框61;
02:在取景范围沿第一取景框61的第一方向D1移动时,获取第一全景图像,第一全景图像通过拍摄第一取景框61内的场景80得到;
03:根据第一全景图像的获取完成信号获取第二取景框62;
04:在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,第二全景图像通过拍摄第二取景框62内的场景80得到;
05:根据第二全景图像的获取完成信号获取第三取景框63;
06:在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,第三全景图像通过拍摄第三取景框63内的场景80得到,其中,第一方向D1、第二方向D2及第三方向D3互不相同;及
07:根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像。
请参阅图2及图3,本申请实施方式还提供一种电子设备1000,该电子设备1000包括全景图像拍摄系统100。全景图像拍摄系统100包括一个或多个处理器30,一个或多个处理器30用于执行01、02、03、05、06及07中的方法。即,请结合图10、图12及图15,一个或多个处理器30用于获取第一取景框61;在取景范围沿第一取景框61的第一方向D1移动时,获取第一全景图像,第一全景图像通过拍摄第一取景框61内的场景80得到;根据第一全景图像的获取完成信号获取第二取景框62;在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,第二全景图像通过拍摄第二取景框62内的场景80得到;根据第二全景图像的获取完成信号获取第三取景框63;在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,第三全景图像通过拍摄第三取景框63内的场景80得到,其中,第一方向D1、第二方向D2及第三方向D3互不相同;及根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像。
其中,电子设备1000包括相机、手机、平板电脑、笔记本电脑、智能手表、游戏机、头显设备等配置有摄像机或摄像功能的装置。这类电子设备1000包括全景图像拍摄系统100。全景图像拍摄系统100可包括摄像头10、显示屏20、一个或多个处理器30、输入传感器40、及运动传感器50。摄像头10用于拍摄场景80。显示屏20用于显示取景框,取景框包括第一取景框61、第二取景框62、及第三取景框63。输入传感器40用于接收用户输入的指令,并向一个或多个处理器30发送用户输入的指令。在一个实施例中,输入传感器40与显示屏20结合,用户可以直接在显示屏20上输入指令。在另一个实施例中,输入传感器40可以是直接安装在电子设备1000上的按钮、键盘、触控板等输入设备,还可以是与电子设备1000外接的鼠标、键盘、遥控器等输入设备。运动传感器50可以包括惯性测量单元、重力传感器、加速度计和角速度传感器等,运动传感器50可用于获取摄像机的三维运动姿态,包括捕捉摄像机的运动方向、运动路径、旋转方向及旋转路径等。
在一个实施例中,摄像头10相对电子设备1000固定,取景范围的移动是通过电子设备1000的移动带动摄像头10移动而实现的,移动包括平移和旋转。例如用户手持电子设备1000,带动电子设备1000移动,摄像头10随电子设备1000的移动一同移动,以使取景范围移动。
在另一个实施例中,摄像头10相对电子设备1000是可移动的,取景范围的移动通过摄像头10相对电子设备1000的移动实现,移动包括平移和旋转。例如电子设备1000的位置固定,摄像头10相对电子设备1000转动,以使取景范围随摄像头10的转动而移动。再例如电子设备1000的位置固定,摄像头10从电子设备1000的壳体伸出,并相对电子设备1000移动,以使取景范围随摄像头10的移动而移动。取景范围的移动也可以通过电子设备1000带动摄像头10的移动实现。例如电子设备1000的位置可动,例如用户手持电子设备1000,带动电子设备1000移动,摄像头10随电子设备1000的移动一同移动,以使取景范围移动。
目前电子设备1000的全景拍摄功能往往仅出现一个取景框,在拍摄全景图像时只能沿一个维度方向拍摄全景图像,如此获取的全景图像只能在一个维度方向被更大范围的视场角覆盖,如全景图像可以在水平方向被更大范围的视场角覆盖,但摄像头10的取景范围在垂直方向的视场角不能扩大,即拍摄的全景图像在垂直方向只能被固定范围的视场角覆盖,导致获取的全景图像扁而长。
本申请提供的全景图像拍摄方法不仅可以获取一个维度方向上被更大范围的视场角覆盖的全景图像,还支持沿两个不同维度方向拍摄全景图像并对两个不同维度方向拍摄的全景图像做拼接处理以获取目标全景图像,使最终获取的目标全景图像在两个不同维度方向上均被更大范围的视场角覆盖,以扩大全景图像的拍摄范围。
请参阅图4、图10及图11,在某些实施方式中,02:在取景范围沿第一取景框61的第一方向移动时,获取第一全景图像,包括:
0201:获取第一取景框61内的场景80的多帧第一图像;
0203:控制在第一取景框61内根据第一方向D1依序显示多帧第一图像;及
0205:当取景范围沿第二方向D2移动时,或当多帧第一图像将第一取景框61完全填充时,对多帧第一图像做拼接处理,以获取第一全景图像。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行0201、0203、及0205中的方法。即,一个或多个处理器30还用于获取第一取景框61内的场景80的多帧第一图像;控制在第一取景框61内根据第一方向D1依序显示多帧第一图像;及当取景范围沿第二方向D2移动时,或当多帧第一图像将第一取景框61完全填充时,对多帧第一图像做拼接处理,以获取第一全景图像。
请参阅图9及图10,在某些实施方式中,电子设备1000可以获取第一取景框61,并在第一取景框61显示取景范围。具体地,电子设备1000可以根据用户输入获取摄像头10的取景范围,并在电子设备1000的显示器20上显示第一取景框61,以在第一取景框61中显示该取景范围的预览。以智能手机1000为例,用户可以进入智能手机1000的拍摄界面,选中“全景”拍摄模式。智能手机1000的一个或多个处理器30根据用户输入的指令获取摄像头10的取景范围,并控制显示器20对应显示第一取景框61,以在第一取景框61中显示该取景范围的预览。取景范围可以随摄像头10的移动而变化,或者随摄像头10的焦距变化而变化,第一取景框61中显示的该取景范围的预览也实时发生变化。在拍摄场景80时,智能手机1000的摄像头10所拍摄到的场景80中的取景范围内的部分区域将实时显示在第一取景框61内,即填充了第一取景框61的一部分。例如摄像头10拍 摄到的场景80中的区域S1,则对应地在第一取景框61内显示第一图像P1。取景范围还可以继续沿第一方向D1移动,随着取景范围的移动,场景80中被拍摄到的区域S1也继续沿第一方向D1移动,第一取景框61在第一方向D1被新的图像如第一图像P2填充。由于摄像头10在拍摄全景图像时是以摄像的方式逐帧拍摄场景80中的各个区域的,一旦开始拍摄,则会持续逐帧拍摄多张图像。当摄像头10停留在某一位置且不调节焦距时,所拍摄的区域几乎相同,获取的图像也几乎相同。当摄像头10沿某一方向持续拍摄时,所拍摄的区域连续变化,获取的图像也连续变化。可以通过拼接算法处理多帧图像,以获取全景图像。
请结合图11,在某些实施方式中,摄像头10拍摄相邻两帧的第一图像P1和第一图像P2后,一个或多个处理器30获取图像P1和图像P2,并根据第一图像P1和第一图像P2获取第一图像P1、P2的重叠的部分区域P1-2。区域P1-2中同时包含有第一图像P1和第一图像P2的特征点,一个或多个处理器30可以在区域P1-2中对第一图像P1和第一图像P2的特征点进行匹配,通过拼接算法将第一图像P1和第一图像P2拼接融合成图像P
1,2。
请再次参阅图10,在某些实施方式中,可以沿第一方向D1移动取景范围以拍摄场景80,一个或多个处理器30获取第一取景框61内的场景80的多帧第一图像。其中,第一方向D1可以是沿电子设备1000的长边方向朝左或朝右,如沿手机1000的横拍方向朝左或朝右。也可以是沿电子设备1000的短边方向朝左或朝右,如沿手机1000的竖拍方向朝左或朝右。还可以是沿平行于地面的水平方向朝左或朝右,即无论拍摄场景80的初始时刻电子设备1000处于什么角度,在拍摄时都沿水平方向朝左或朝右移动电子设备1000以带动摄像头10移动,使摄像头10的取景范围沿第一方向D1拍摄场景80,例如在拍摄的初始时刻手机1000相对平行于地面的水平方向倾斜45°,则握持手机1000保持相对平行于地面的水平方向倾斜45°并沿水平方向移动手机1000拍摄场景80。
在电子设备1000的显示屏20上会同时对应地在预设的第一取景框61内根据第一方向D1依序显示多帧第一图像。在拍摄开始时,第一图像可以显示在第一取景框61左侧,也可以显示在第一取景框61右侧。运动传感器50可以检测电子设备1000的运动状态。在拍摄开始后,若初始时刻第一图像显示在第一取景框61左侧,且取景范围沿第一方向D1向左运动时,则重新调整将第一图像显示在第一取景框61右侧,若初始时刻第一图像显示在第一取景框61右侧,且取景范围沿第一方向D1向右运动时,则重新调整将第一图像显示在第一取景框61左侧。
根据实际应用时的程序软件不同和拼接算法不同,此时显示的多帧第一图像可以是未做拼接处理的多帧第一图像的堆叠,也可以是对每相邻两帧的第一图像做拼接处理所获取的全景图像的预览。
请参阅图12,在一个实施例中,当用户拍摄的多帧第一图像将第一取景框61完全填充时,一个或多个处理器30对第一取景框61中的多帧第一图像做拼接处理,以获取第一全景图像。第一全景图像可以显示在第一取景框61内,也可以在第一取景框61外被放大显示。在一个或多个处理器30收到第一全景图像的获取完成信号后,显示屏20在第二方向D2上显示第二取景框62的位置预览,用户可以向电子设备1000输入指令结束全景拍摄,也可以沿第二方向D2移动取景范围继续拍摄全景图像。具体地,第二方向D2与第一方向D1垂直,且第二取景框62与第一取景框61部分重合。在多帧第一图像将第一取景框61完全填充后,若没有输入指令结束全景拍摄,则依次显示垂直第一方向D1向上的第二取景框62的位置预览和垂直第一方向D1向下的第二取景框62的位置预览,当取景范围沿垂直第一方向D1向上或向下的方向移动时,一个或多个处理器30确定第二方向D2的位置,并控制显示屏20显示对应方向的第二取景框62。例如在多帧第一图像将第一取景框61完全填充后,一个或多个处理器30对第一取景框61内的多帧第一图像做拼接处理以获取第一全景图像,在一个或多个处理器30收到第一全景图像的获取完成信号后,显示屏20交替显示第二取景框62可能出现的位置,当控制取景范围沿垂直第一方向D1向上移动,则该方向即为第二方向D2,第二取景框62出现在第一取景框61上方,且与第一取景框61部分重合。
请参阅图13,在另一个实施例中,当取景范围沿第二方向D2移动时,对多帧第一图像做拼接处理,以获取第一全景图像。具体地,第二方向D2与第一方向D1垂直。当取景范围沿第一方向D1移动,在第一取景框61填充的区域超过预设的第一填充阈值后,可以在多帧第一图像将第一取景框61完全填充前提前沿第二方向D2移动取景范围,以停止获取第一图像。电子设备1000将对已经填充在第一取景框61内的多帧第一图像做拼接处理,以获取第一全景图像,在一个或多个处理器30收到第一全景图像的获取完成信号后,显示第二取景框62,第二取景框62与第一取景框 61部分重合。在此过程中,运动传感器50获取电子设备1000的运动状态,若在第一取景框61填充的区域没有超过预设的第一填充阈值,则不会显示第二取景框62,用户可以继续沿第一方向D1移动取景范围拍摄场景80以获取第一图像。如此可以防止因拍摄不稳定导致电子设备1000朝第二方向D2移动时沿第一方向D1的拍摄被打断。当第一取景框61填充的区域超过预设的第一填充阈值后,若取景范围沿第二方向D2移动超过预设的第一距离阈值,则显示第二取景框62,并对已经填充在第一取景框61内的多帧第一图像做拼接处理获取第一全景图像。在后续的拍摄过程中,第一取景框61没有被填充的区域将不再显示图像。若取景范围沿第二方向D2移动没有超过预设的第一距离阈值,则不显示第二取景框62,以防止因拍摄不稳定导致电子设备1000朝第二方向D2移动时沿第一方向D1的拍摄被打断。
请一并参阅图10、图12及图13,在某些实施方式中,第一取景框61出现在电子设备1000的居中位置。当显示第二取景框62时,移动第一取景框61的位置以留出空间显示第二取景框62。如当沿第二方向D2向上对应出现第二取景框62时,第一取景框61向下移动一定距离以留出空间显示第二取景框62,当沿第二方向D2向下对应出现第二取景框62时,第一取景框61向上移动一定距离以留出空间显示第二取景框62。
请参阅图5,在某些实施方式中,04:在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,包括:
0401:获取第二取景框62内的场景80的多帧第二图像;
0403:控制在第二取景框62内根据第二方向D2依序显示多帧第二图像;及
0405:当取景范围0沿第三方向D3移动时,或当多帧第二图像将第二取景框62完全填充时,对多帧第二图像做拼接处理,以获取第二全景图像。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行0401、0403、及0405中的方法。即,一个或多个处理器30还用于获取第二取景框62内的场景80的多帧第二图像;控制在第二取景框62内根据第二方向D2依序显示多帧第二图像;及当取景范围沿第三方向D3移动时,或当多帧第二图像将第二取景框62完全填充时,对多帧第二图像做拼接处理,以获取第二全景图像。
请参阅图14,在某些实施方式中,一个或多个处理器30控制显示屏20显示第二取景框62。用户可以沿第二方向D2移动取景范围,以拍摄第二图像。例如用户可以沿第二方向D2移动电子设备1000,使摄像头10拍摄的第二图像填充第二取景框62。用户可以在第二取景框62内预览多帧第二图像。
在一个实施例中,当用户拍摄的多帧第二图像将第二取景框62完全填充时,一个或多个处理器30对第二取景框62中的多帧第二图像做拼接处理,以获取第二全景图像。在一个或多个处理器30收到第二全景图像获取完成的信号后,显示屏20在第三方向D3上显示第三取景框63的位置,用户可以向电子设备1000输入指令结束全景拍摄,也可以沿第三方向D3移动取景范围继续拍摄全景图像。具体地,第三方向D3与第二方向D2垂直,第三方向D3与第一方向D1相反,第三取景框63与第二取景框62部分重合,且第三取景框63与第一取景框61部分重合。在多帧第二图像将第二取景框62完全填充后,一个或多个处理器30确定第三方向D3的位置,并控制显示屏20显示第三取景框63。
在另一个实施例中,当取景范围沿第三方向D3移动时,对多帧第二图像做拼接处理,以获取第二全景图像。具体地,第三方向D3与第二方向D2垂直,且第三方向D3与第一方向D1相反。当取景范围沿第二方向D2移动,在第二取景框62填充的区域超过预设的第二填充阈值后,可以在多帧第二图像将第二取景框62完全填充前提前沿第三方向D3移动取景范围,以停止获取第二图像。电子设备1000将对已经填充在第二取景框62内的多帧第二图像做拼接处理,以获取第二全景图像,在一个或多个处理器30收到第二全景图像获取完成的信号后,显示第三取景框63,第三取景框63与第二取景框62部分重合,且第三取景框63与第一取景框61部分重合。在此过程中,运动传感器50获取电子设备1000的运动状态,若在第二取景框62填充的区域没有超过预设的第二填充阈值,则不会显示第三取景框63,用户可以继续沿第二方向D2拍摄场景80以获取第二图像。如此可以防止因拍摄不稳定导致电子设备1000朝第三方向D3移动时沿第二方向D2的拍摄被打断。当第二取景框62填充的区域超过预设的第二填充阈值后,若取景范围沿第三方向D3移动超过预设的 第二距离阈值,则显示第三取景框63,并对已经填充在第二取景框62内的多帧第二图像做拼接处理获取第二全景图像。在后续的拍摄过程中,第二取景框62没有被填充的区域将不再显示。若取景范围沿第三方向D3移动没有超过预设的第二距离阈值,则不显示第三取景框63,以防止因拍摄不稳定导致电子设备1000朝第三方向D3移动时沿第二方向D2的拍摄被打断。
请一并参阅图6、图14、及图15,在某些实施方式中,06:在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,包括:
0601:获取第三取景框63内的场景80的多帧第三图像;
0603:控制在第三取景框63内根据第三方向D3依序显示多帧第三图像;及
0605:当取景范围沿第四方向D4移动时,或当多帧第三图像将第三取景框63完全填充时,对多帧第三图像做拼接处理,以获取第三全景图像。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行0601、0603、及0605中的方法。即,一个或多个处理器30还用于获取第三取景框63内的场景80的多帧第三图像;控制在第三取景框63内根据第三方向D3依序显示多帧第三图像;及当取景范围沿第四方向D4移动时,或当多帧第三图像将第三取景框63完全填充时,对多帧第三图像做拼接处理,以获取第三全景图像。
请参阅图14及图15,在某些实施方式中,用户可以沿第三方向D3移动取景范围以拍摄第三图像。例如用户可以沿第三方向D3移动电子设备1000,使摄像头10拍摄的第三图像填充第三取景框63。用户可以在第三取景框63内预览多帧第三图像。
请结合图16,在一个实施例中,当用户拍摄的多帧第三图像将第三取景框63完全填充时,一个或多个处理器30对第三取景框63中的多帧第三图像做拼接处理,以获取第三全景图像。在一个或多个处理器30收到第三全景图像获取完成的信号后,显示屏20在第四方向D4上显示第四取景框64的位置,用户可以向电子设备1000输入指令结束全景拍摄,也可以沿第四方向D4移动取景范围继续拍摄全景图像。具体地,第三方向D3与第四方向D4垂直,第四方向D4与第二方向D2相同,且第三取景框63与第四取景框64部分重合。在多帧第三图像将第三取景框63完全填充后,一个或多个处理器30确定第四方向D4的位置,并控制显示屏20显示第四取景框64。
在另一个实施例中,当取景范围沿第四方向D4移动时,对多帧第三图像做拼接处理,以获取第三全景图像。具体地,第三方向D3与第四方向D4垂直,且第四方向D4与第二方向D2相同。当取景范围沿第三方向D3移动,在第三取景框63填充的区域超过预设的第三填充阈值后,可以在多帧第三图像将第三取景框63完全填充前提前沿第四方向D4移动取景范围,以停止获取第三图像。电子设备1000将对已经填充在第三取景框63内的多帧第三图像做拼接处理,以获取第三全景图像,在一个或多个处理器30收到第三全景图像获取完成的信号后,显示第四取景框64,第四取景框64与第三取景框63部分重合。在此过程中,运动传感器50获取电子设备1000的运动状态,若在第三取景框63填充的区域没有超过预设的第三填充阈值,则不会显示第四取景框64,用户可以继续沿第三方向D3拍摄场景80以获取第三图像。如此可以防止因拍摄不稳定导致电子设备1000朝第四方向D4移动时沿第三方向D3的拍摄被打断。当第三取景框63填充的区域超过预设的第三填充阈值后,若取景范围沿第四方向D4移动超过预设的第三距离阈值,则显示第四取景框64,并对已经填充在第三取景框63内的多帧第三图像做拼接处理获取第三全景图像。在后续的拍摄过程中,第三取景框63没有被填充的区域将不再显示。若取景范围沿第四方向D4移动没有超过预设的第三距离阈值,则不显示第四取景框64,以防止因拍摄不稳定导致电子设备1000朝第四方向D4移动时沿第三方向D3的拍摄被打断。
请一并参阅图7及图15,在某些实施方式中,07:根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像,包括:
0701:对第一全景图像、第二全景图像、及第三全景图像做拼接处理,以获取目标拼接图像;及
0703:对目标拼接图像做裁剪处理,以获取目标全景图像。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行0701及0703中的方法。即,一个或多个处理器30还用于:对第一全景图像、第二全景图像、及第三全景图像做拼接处理,以获取目标拼接图像;及对目标拼接图像做裁剪处理,以获取目标全景图像。
请再次参阅图15,在某些实施方式中,一个或多个处理器30已经获取了第一全景图像及第二全景图像。用户可以沿第三方向D3移动取景范围以拍摄第三图像,例如用户可以沿第三方向D3移动电子设备1000,使摄像头10拍摄的第三图像填充第三取景框63。在此过程中,用户可以向电子设备1000输入指令,以停止拍摄第三图像。在停止拍摄第三图像后,一个或多个处理器30对多帧第三图像做拼接处理,以获取第三全景图像。
在一个实施例中,当用户拍摄的多帧第三图像将第三取景框63完全填充时输入指令,如按下虚拟快门键41或物理快门键43,以停止全景图像的拍摄,并获取第三全景图像。具体地,预设的第三取景框63的左右两端与预设的第一取景框61的左右两端对齐,即第一取景框61与第三取景框63的长度相等。在停止全景图像的拍摄后,一个或多个处理器30对第一全景图像、第二全景图像、及第三全景图像做拼接处理,以获取目标拼接图像。目标拼接图像的长度可与第一取景框61及第三取景框63的长度相等,目标拼接图像的宽度可以为从第三取景框63的上边到第一取景框61的下边的距离,或从第一取景框61的上边到第三取景框63的下边的距离。一个或多个处理器30可以再对目标拼接图像做适当的裁剪处理,以得到具有合适长宽比的目标全景图像。合适的长宽比可以是3:2、4:3、16:9、2:1等,在此不做限定。获取的目标全景图像相较于第一全景图像沿第二方向D2扩大了被摄像头10视场角覆盖的范围,即相较于在一个维度(水平方向)上被更大范围的视场角覆盖的范围的全景图像,目标全景图像实现了在两个维度上(水平方向和垂直方向)均被更大范围的视场角覆盖,能拍摄到更大范围的场景80。
在另一个实施例中,在用户拍摄的多帧第三图像将第三取景框63完全填充前,用户可以输入指令,如按下虚拟快门键41或按下物理快门键43,以停止全景图像的拍摄,并获取第三全景图像。具体地,在停止全景图像的拍摄后,一个或多个处理器30对第一全景图像、第二全景图像、及第三全景图像做拼接处理,以获取目标拼接图像。目标拼接图像可以是一种在一个大矩形上挖去一个小矩形形成的多边形。其中,大矩形是预设的第一取景框61和第三取景框63组合形成的矩形,小矩形是第三取景框63中既未被第一图像填充又未被第三图像填充的部分区域。在获取目标拼接图像后,需要对目标拼接图像做进一步的裁剪处理。例如在图15所示的目标拼接图像中,可以沿虚线L1裁除虚线L1左边部分的图像,将虚线L1右边部分的图像作为目标全景图像保留,或者对虚线L1右边部分的图像再进一步裁剪,以得到具有合适长宽比的目标全景图像。其中,合适的长宽比可以是3:2、4:3、16:9、2:1等,在此不做限定。这样获取的目标全景图像相较于第一全景图像沿第二方向D2扩大了被镜头视场角覆盖的范围,即相较于在一个维度(水平方向)上被更大范围的视场角覆盖的范围的全景图像,目标全景图像实现了在两个维度上(水平方向和垂直方向)均被更大范围的视场角覆盖,能拍摄到更大范围的场景80。在图15所示的目标拼接图像中,还可以沿虚线L2裁除虚线L2上边部分的图像,将虚线L2下边部分的图像作为目标全景图像保留,或者对虚线L2下边部分的图像再进一步裁剪,以得到具有合适长宽比的目标全景图像。其中,合适的长宽比可以是3:2、4:3、16:9、2:1等,在此不做限定。这样获取的目标全景图像舍弃了拼接效果不好的部分,能够保证目标全景图像具有较好的拼接效果。
请一并参阅图8及图16,在某些实施方式中,全景图像拍摄方法还包括:
08:根据第三全景图像的获取完成信号获取第四取景框64;
09:在取景范围沿第四取景框64的第四方向D4移动时,获取第四全景图像,第四全景图像通过拍摄第四取景框64内的场景80得到;
010:根据第四全景图像的获取完成信号获取第五取景框65;及
011:在沿第五取景框65的第五方向D5移动时,获取第五全景图像,第五全景图像通过拍摄第五取景框65内的场景80得到,其中,第三方向D3、第四方向D4及第五方向D5互不相同。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行08、09、010及011中的方法。即,一个或多个处理器30还用于根据第三全景图像的获取完成信号获取第四取景框64;在取景范围沿第四取景框64的第四方向D4移动时,获取第四全景图像,第四全景图像通过拍摄第四取景框64内的场景80得到;根据第四全景图像的获取完成信号获取第五取景框65;及在取景范围沿第五取景框6568的第五方向D5移动时,获取第五全景图像,第五全景图像通过拍摄第五取景框65内的场景80得到,其中,第三方向D3、第四方向D4及第五方向D5互不相同。
请参阅图16,在某些实施方式中,在获取第三全景图像后可以不输入信号停止全景拍摄,而是 继续沿第四方向D4移动取景范围拍摄第四取景框64内的场景80以获取多帧第四图像。在一个实施例中,多帧第四图像将第四取景框64完全填充后,一个或多个处理器30对第四取景框64内的多帧第四图像做拼接处理,以获取第四全景图像,在一个或多个处理器30收到第四全景图像的获取完成信号时显示器显示第五取景框65。在另一个实施例中,在多帧第四图像将第四取景框64完全填充前,当取景范围沿第五方向D5移动时,对多帧第四图像做拼接处理,以获取第四全景图像,在一个或多个处理器30收到第四全景图像的获取完成信号时显示器显示第五取景框65。其中,第四方向D4与第三方向D3垂直,且第四方向D4与第二方向D2相同。第五方向D5与第四方向D4垂直,且第五方向D5与第三方向D3相反,并与第一方向D1相同。第四取景框64与第三取景框63部分重合。第五取景框65与第四取景框64部分重合,且第五取景框65与第三取景框63和第二取景框62部分重合。在显示第五取景框65后,可以沿第五方向D5移动取景范围,拍摄第五取景框65内的场景80以获取第五全景图像。
请再次参阅图8,在某些实施方式中,根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像,还包括:
0705:根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标全景图像。
请再次参阅图3,在某些实施方式中,一个或多个处理器30还用于执行0705中的方法。即,一个或多个处理器30还用于根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标全景图像。
请参再次参阅图16,在某些实施方式中,用户可以输入指令,如按下虚拟快门键41或按下物理快门键43,以停止全景图像的拍摄,并对当前所拍摄的取景框内的多帧图像做拼接处理,以获取对应的全景图像,再根据已经获取的各个全景图像做拼接处理,以获取目标拼接图像。例如在拍摄结束时,当前所拍摄的取景框为第三取景框63,则对第三取景框63内的多帧图像做拼接处理,以获取第三全景图像,再根据已经获取的第一全景图像、第二全景图像、及第三全景图像获取目标拼接图像。再例如在拍摄结束时,当前所拍摄的取景框为第五取景框65,则对第五取景框65内的多帧图像做拼接处理,以获取第五全景图像,再根据已经获取的第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标拼接图像。
在获取目标拼接图像后,需要将目标拼接图像做裁剪处理,以获取矩形的目标全景图像。还可以对裁剪后的矩形图像再次裁剪以获取具有合适长宽比的目标全景图像。其中,合适的长宽比可以是3:2、4:3、16:9、2:1等,在此不做限定。例如可以根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标拼接图像,再对目标拼接图像进行适当的裁剪,以获取目标拼接图像。根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取的目标全景图像相较于根据第一全景图像、第二全景图像、及第三全景图像获取的目标全景图像在第二方向D2上能被更大范围的视场角覆盖,即能拍摄到更大范围的场景80。
若还需获取在第二方向D2上扩大视场角覆盖范围的全景图像,则可以根据本申请的全景图像拍摄方法继续获取第六取景框及第七取景框,分别沿第六方向及第七方向获取第六全景图像和第七全景图像,再根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、第五全景图像、第六全景图像、及第七全景图像获取目标全景图像。还可以继续获取第八取景框及第九取景框、第十取景框及第十一取景框等等,以获取第二方向D2上被更大范围的视场角覆盖的全景图像,在此不一一列举。
可以理解,当第二方向D2与第一方向D1垂直,且第三方向D3与第一方向D1相反时,若令M为大于0的奇数,令N为大于0的偶数,则后续的第M方向中,第M方向与第M-2方向相反,第N方向均与第二方向D2相同,第M方向垂直于第N方向。例如:第三方向D3与第一方向D1相反、第五方向D5与第三方向D3相反,且与第一方向D1相同、第七方向与第五方向D5相反,且与第三方向D3相同等等;第四方向D4与第二方向D2相同、第六方向与第二方向D2相同、第八方向与第二方向D2相同等等,在此不一一列举。如此,当第一方向D1为水平方向时,可以沿垂直方向上不断累积获取全景图像,以获取垂直方向上被更大范围视场角覆盖的目标全景图像;当第一方向D1为垂直方向时,可以沿水平方向上不断累积获取全景图像,以获取水平方向上被更大范围视场角覆盖更大的目标全景图像。在拍摄全景图像时,第二方向D2与第一方向D1垂直可以 便于后续的拼接处理,容易获取矩形的目标全景图像且拼接效果好。
在另一个实施例中,还可以是第N方向D2相对第一方向D1以一定的角度倾斜,且第三方向D3与第一方向D1相反。理论上第N方向D2相对第一方向D1倾斜的角度大于0即可,实际上考虑到拼接后的效果,第N方向D2相对第一方向D1倾斜的角度范围可以是[30°,150°],即第N方向D2相对第一方向D1倾斜的角度可以是30°、41°、53°、65°、70°、86°、92°、109°、117°、121°、133°、148°、150°等,在此不一一列举。如此可以在不同的取景框内获取四边形的全景图像,不同取景框内的全景图像形状可以相同,也可以不相同。这样同样能够沿一个维度方向不断累积获取全景图像,还可以使拍摄全景图像的路径更加多样化,拍摄到更多范围的场景。
请参阅图2及图3,本申请实施方式还提供一种电子设备1000,电子设备1000包括壳体200及上述任一实施方式的全景图像拍摄系统100。全景图像拍摄系统100安装在壳体200内。全景图像拍摄系统100包括摄像头10、显示屏20、一个或多个处理器30、输入传感器40、及运动传感器50。摄像头10用于拍摄场景80。显示屏20用于显示取景框。输入传感器40用于接收用户输入的指令,并向一个或多个处理器30发送用户输入的指令。运动传感器50用于获取摄像机的三维运动姿态,包括捕捉摄像机的运动方向、运动路径、旋转方向及旋转路径等。本申请实施方式的电子设备1000能够拍摄在一个维度上被更大范围的视场角覆盖的全景图像及在两个不同方向的维度上被更大范围的视场角覆盖全景图像,以扩大全景图像的拍摄范围。
请参阅图17,本申请实施方式还提供一种包含计算机程序401的非易失性计算机可读存储介质400。当计算机程序401被一个或多个处理器30执行时,使得一个或多个处理器30执行上述任一实施方式的全景图像拍摄方法。
请结合图2及图3,例如,当计算机程序401被一个或多个处理器30执行时,使得一个或多个处理器30执行以下全景图像拍摄方法:
01:获取第一取景框61;
02:在取景范围沿第一取景框61的第一方向D1移动时,获取第一全景图像,第一全景图像通过拍摄第一取景框61内的场景80得到;
03:根据第一全景图像的获取完成信号获取第二取景框62;
04:在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,第二全景图像通过拍摄第二取景框62内的场景80得到;
05:根据第二全景图像的获取完成信号获取第三取景框63;
06:在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,第三全景图像通过拍摄第三取景框63内的场景80得到,其中,第一方向D1、第二方向D2及第三方向D3互不相同;及
07:根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像。
又例如,当计算机程序401被一个或多个处理器30执行时,使得一个或多个处理器30执行以下全景图像拍摄方法:
01:获取第一取景框61;
02:在取景范围沿第一取景框61的第一方向D1移动时,获取第一全景图像,第一全景图像通过拍摄第一取景框61内的场景80得到;
03:根据第一全景图像的获取完成信号获取第二取景框62;
04:在取景范围沿第二取景框62的第二方向D2移动时,获取第二全景图像,第二全景图像通过拍摄第二取景框62内的场景80得到;
05:根据第二全景图像的获取完成信号获取第三取景框63;
06:在取景范围沿第三取景框63的第三方向D3移动时,获取第三全景图像,第三全景图像通过拍摄第三取景框63内的场景80得到,其中,第一方向D1、第二方向D2及第三方向D3互不相同;
07:根据第一全景图像、第二全景图像、及第三全景图像获取目标全景图像;
08:根据第三全景图像的获取完成信号获取第四取景框64;
09:在取景范围沿第四取景框64的第四方向D4移动时,获取第四全景图像,第四全景图像通过拍摄第四取景框64内的场景80得到;
010:根据第四全景图像的获取完成信号获取第五取景框65;
011:在取景范围沿第五取景框65的第五方向D5移动时,获取第五全景图像,第五全景图像通过拍摄第五取景框65内的场景80得到,其中,第三方向D3、第四方向D4及第五方向D5互不相同;及
0705:根据第一全景图像、第二全景图像、第三全景图像、第四全景图像、及第五全景图像获取目标全景图像。
在本说明书的描述中,参考术语“某些实施方式”、“一个例子中”、“示例地”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为,表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分,并且本申请的优选实施方式的范围包括另外的实现,其中可以不按所示出或讨论的顺序,包括根据所涉及的功能按基本同时的方式或按相反的顺序,来执行功能,这应被本申请的实施例所属技术领域的技术人员所理解。
尽管上面已经示出和描述了本申请的实施方式,可以理解的是,上述实施方式是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施方式进行变化、修改、替换和变型。
Claims (20)
- 一种全景图像拍摄方法,其特征在于,包括:获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取第二取景框;在所述取景范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
- 根据权利要求1所述的全景图像拍摄方法,其特征在于,所述第一取景框与所述第二取景框部分重合,所述第二取景框与所述第三取景框部分重合,所述第一取景框与所述第三取景框部分重合。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述第一方向与所述第二方向垂直,所述第三方向与所述第一方向相反。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述获取第一全景图像,包括:获取所述第一取景框内的场景的多帧第一图像;控制在所述第一取景框内根据所述第一方向依序显示多帧所述第一图像;及当所述取景范围沿所述第二方向移动时,或当多帧所述第一图像将所述第一取景框完全填充时,对多帧所述第一图像做拼接处理,以获取所述第一全景图像。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述获取第二全景图像,包括:获取所述第二取景框内的场景的多帧第二图像;控制在所述第二取景框内根据所述第二方向依序显示多帧所述第二图像;及当所述取景范围沿所述第三方向移动时,或当多帧所述第二图像将所述第二取景框完全填充时,对多帧所述第二图像做拼接处理,以获取所述第二全景图像。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述获取第三全景图像,包括:获取所述第三取景框内的场景的多帧第三图像;控制在所述第三取景框内根据所述第三方向依序显示多帧所述第三图像;及当所述取景范围沿所述第四方向移动时,或当多帧所述第三图像将所述第三取景框完全填充时,对多帧所述第三图像做拼接处理,以获取所述第三全景图像。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像,包括:对所述第一全景图像、所述第二全景图像、及所述第三全景图像做拼接处理,以获取目标拼接图像;及对所述目标拼接图像做裁剪处理,以获取所述目标全景图像。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述全景图像拍摄方法还包括:根据所述第三全景图像的获取完成信号获取第四取景框;在所述取景范围沿所述第四取景框的第四方向移动时,获取第四全景图像,所述第四全景图像通过拍摄所述第四取景框内的场景得到;根据所述第四全景图像的获取完成信号获取第五取景框;及在所述取景范围沿所述第五取景框的第五方向移动时,获取第五全景图像,所述第五全景图像通过拍摄所述第五取景框内的场景得到,其中,所述第三方向、所述第四方向及所述第五方向互不相同。
- 根据权利要求2所述的全景图像拍摄方法,其特征在于,所述根据所述第一全景图像、所 述第二全景图像、及所述第三全景图像获取目标全景图像,还包括:根据所述第一全景图像、所述第二全景图像、所述第三全景图像、所述第四全景图像、及所述第五全景图像获取目标全景图像。
- 一种全景图像拍摄系统,其特征在于,所述全景图像拍摄系统包括一个或多个处理器,一个或多个所述处理器用于:获取第一取景框;在取景范围沿所述第一取景框的第一方向移动时,获取第一全景图像,所述第一全景图像通过拍摄所述第一取景框内的场景得到;根据所述第一全景图像的获取完成信号获取第二取景框;在所述取景范围沿所述第二取景框的第二方向移动时,获取第二全景图像,所述第二全景图像通过拍摄所述第二取景框内的场景得到;根据所述第二全景图像的获取完成信号获取第三取景框;在所述取景范围沿所述第三取景框的第三方向移动时,获取第三全景图像,所述第三全景图像通过拍摄所述第三取景框内的场景得到,其中,所述第一方向、所述第二方向及所述第三方向互不相同;及根据所述第一全景图像、所述第二全景图像、及所述第三全景图像获取目标全景图像。
- 根据权利要求10所述的全景图像拍摄系统,其特征在于,所述第一取景框与所述第二取景框部分重合,所述第二取景框与所述第三取景框部分重合,所述第一取景框与所述第三取景框部分重合。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述第一方向与所述第二方向垂直,所述第三方向与所述第一方向相反。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:获取所述第一取景框内的场景的多帧第一图像;控制在所述第一取景框内根据所述第一方向依序显示多帧所述第一图像;及当所述取景范围沿所述第二方向移动时,或当多帧所述第一图像将所述第一取景框完全填充时,对多帧所述第一图像做拼接处理,以获取所述第一全景图像。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:获取所述第二取景框内的场景的多帧第二图像;控制在所述第二取景框内根据所述第二方向依序显示多帧所述第二图像;及当所述取景范围沿所述第三方向移动时,或当多帧所述第二图像将所述第二取景框完全填充时,对多帧所述第二图像做拼接处理,以获取所述第二全景图像。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:获取所述第三取景框内的场景的多帧第三图像;控制在所述第三取景框内根据所述第三方向依序显示多帧所述第三图像;及当所述取景范围沿所述第四方向移动时,或当多帧所述第三图像将所述第三取景框完全填充时,对多帧所述第三图像做拼接处理,以获取所述第三全景图像。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:对所述第一全景图像、所述第二全景图像、及所述第三全景图像做拼接处理,以获取目标拼接图像;及对所述目标拼接图像做裁剪处理,以获取所述目标全景图像。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:根据所述第三全景图像的获取完成信号获取的第四取景框;在所述取景范围沿所述第四取景框的第四方向移动时,获取第四全景图像,所述第四全景图像通过拍摄所述第一取景框内的场景得到;根据所述第四全景图像的获取完成信号获取第五取景框;及在所述取景范围沿所述第五取景框的第五方向5移动时,获取第五全景图像,所述第五全景图像通过拍摄所述第五取景框内的场景得到,其中,所述第三方向、所述第四方向及所述第五方 向互不相同。
- 根据权利要求11所述的全景图像拍摄系统,其特征在于,所述处理器还用于:根据所述第一全景图像、所述第二全景图像、所述第三全景图像、所述第四全景图像、及所述第五全景图像获取目标全景图像。
- 一种电子设备,其特征在于,包括:壳体;及权利要求10-18任意一项所述的全景图像拍摄系统,所述全景图像拍摄系统安装在所述壳体内。
- 一个或多个存储有计算机程序的非易失性计算机可读存储介质,当所述计算机程序被一个或多个处理器执行时,实现权利要求1至9任意一项所述的全景图像拍摄方法。
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