CN109660734A - A kind of distant view photograph image pickup method and device - Google Patents
A kind of distant view photograph image pickup method and device Download PDFInfo
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- CN109660734A CN109660734A CN201910114608.XA CN201910114608A CN109660734A CN 109660734 A CN109660734 A CN 109660734A CN 201910114608 A CN201910114608 A CN 201910114608A CN 109660734 A CN109660734 A CN 109660734A
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- image
- longitude
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- distant view
- latitude
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Classifications
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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
- H04N23/80—Camera processing pipelines; Components thereof
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
Abstract
The invention discloses a kind of distant view photograph image pickup method and device, the method comprising the steps of 1: control camera lens acquires image in multiple longitude stations, and longitude station number is more than or equal to 2；Step 2: the image that camera lens is shot under multiple longitude stations is synthesized into distant view photograph.The filming apparatus includes image capture module, processor module, rotary module, memory module and power module, and processor module control rotary module drives image capture module to rotate and shoot picture, rear to carry out panoramic picture synthesis.The present invention is compared to existing panorama shooting method, on the basis of not reducing image quality, has advantage at low cost.
Description
Technical field
The present invention relates to distant view photograph image pickup method and devices, belong to distant view photograph technique for taking field.
Background technique
Since distant view photograph can record the characteristic of 360 degree of information, in space representation application, in house displaying, automobile
Extensive favorable comment is obtained in the applications such as decorations are shown, hotel environment is shown, museum objects are shown.But existing solution is not
Be it is very satisfactory, widely used is two mesh panorama cameras, and price is lower, but shoot image quality it is not high；Shoot image quality
Preferable three mesh, four mesh or the higher panoramic apparatus of other configurations, due to the promotion of hardware configuration, natural zone is come more high
Price, enable consumer hang back.
Summary of the invention
To solve the above problems, the invention discloses a kind of distant view photograph image pickup method and devices, specific
Technical solution is as follows:
A kind of distant view photograph image pickup method, including following operating procedure:
Step 1: control camera lens acquires image in several longitude stations, and longitude station number n is more than or equal to 2；
Step 2: the image that step 1 is shot synthesizes distant view photograph.
When acquiring image in the step 1, camera lens horizontal field of view angle is theta1, two neighboring longitude station camera lens water
The overlapping angle for looking squarely rink corner is theta2, and rotation of lens number need to be more than or equal to 360/ (theta1- theta2) -1, if meter
Calculation result is decimal, then is rounded calculated value and adds 1.
The overlapping angle theta2 at two neighboring longitude station camera lens horizontal field of view angle is greater than 0.
Camera lens is controlled in the step 1 and acquires image in several longitude stations, is that control camera lens is transported by rotation mode
Different longitude stations are moved, the first longitude station to the direction of rotation of the n-th longitude station is to rotate clockwise or revolve counterclockwise
Turn, a panoramic picture acquisition, direction of rotation must rotate at same direction.
Panorama mosaic method in the step 2 is according to adjacent longitude station overlapping region characteristics of image, by overlay region
It merges and Non-overlapping Domain is combined to obtain distant view photograph in domain.
The panorama mosaic method and step is as follows:
Step 1: the n group picture by the camera lens in several longitude station photographs expands into longitude and latitude image, the first longitude
Longitude and latitude expanded view at position is known as the first longitude and latitude image, remaining expanded view title and so on；
Step 2: any one Zhang Zuowei benchmark image in n group longitude and latitude image is chosen, such as with first at the first longitude station
Longitude and latitude image is as benchmark；
Step 3: the characteristic point of matching the first longitude and latitude image and the second longitude and latitude image；
Step 4: calculating the projection matrix between two groups of longitude and latitude images according to match point information；
Step 5: according to projection matrix, under the coordinate system that the second longitude and latitude image is transformed to the first longitude and latitude image, referred to as
Two images to be synthesized；
Step 6: similarly calculate the projection matrix between third longitude and latitude image and the second image to be synthesized, and by third longitude and latitude
Degree image transforms in the coordinate system of benchmark image；
Step 7: and so on, until n-th longitude and latitude image is transformed in the coordinate system of benchmark image；
Step 8: being panoramic pictures by the Image Mosaic to be synthesized in the n group frame of reference.
A kind of distant view photograph filming apparatus, the distant view photograph filming apparatus can be realized above-mentioned distant view photograph image pickup method,
It specifically includes:
Image capture module, for shooting photo；
Rotary module, for driving image capture module to rotate to different longitude stations；
Processor module is rotated or is stopped for controlling rotary module, and controls image capture module acquisition picture, and
Carry out the synthesis of distant view photograph；
Memory module: the panoramic pictures for storing picture in collection process and synthesis obtains；
Power module: for powering to processor module, rotary module, image capture module.
It further include communication module, the control signal sent for receiving independent bluetooth controller, or pass through wifi and its
He is connected at hardware device, receives control signal or transmission picture.
The angle of rotating shaft center's line of the camera lens optical axis and rotary module of image capture module is greater than 0 degree, and be less than etc.
In 90 degree.
The camera lens optical center of image capture module to rotary module rotating shaft center's line distance be less than or equal to 10cm.
The center line of the rotary shaft of rotary module passes through the camera lens optical center of image capture module.
The beneficial effects of the present invention are:
The present invention shoots image quality height, but the lower distant view photograph image pickup method of price, to reduce the access door of distant view photograph shooting
Sill expand the popularization and use of distant view photograph.
Detailed description of the invention
Fig. 1 is the acquisition picture process schematic of the method for the present invention,
Fig. 2 is the synthesis distant view photograph flow chart of the method for the present invention,
Fig. 3 is the module connection figure of rotary panorama camera of the invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
In conjunction with attached Fig. 1 and 2 as it can be seen that this distant view photograph image pickup method detailed process is as follows:
Step 1: in conjunction with Fig. 1, camera lens is controlled in multiple longitude stations and acquires picture, longitude station number n is more than or equal to 2.
Camera lens horizontal view angle is known as theta1, and the visual angle at the first longitude station is known as the first visual angle, in the second longitude
Visual angle at position is known as the second visual angle, and so on, it is known as the n-th visual angle, two neighboring warp at the visual angle of n-th of longitude station
Spending the position such as overlapping angle at the first visual angle and the second visual angle is theta2, to guarantee that adjacent two picture can synthesize, theta2
Have to be larger than 0.When shooting, a picture is acquired at the first longitude station and is saved, rotation of lens (theta1- is then controlled
Theta2) size, rotation at the second longitude station and acquiring the second picture and save, and so on, continue rotation until n-th
A longitude station shoots picture and saves, and is recorded for one week information of guarantee level, then the angle n* (theta1- theta2)
Angle value need to be more than or equal to 360 degree, and rotation of lens times N=n-1 can further be calculated as (360/ (theta1- theta2)-
1), if calculated result is decimal, calculated value is rounded and adds 1.
Camera lens can be fish eye lens or wide-angle lens.When camera lens is fish eye lens, fish-eye vertical field angle
More than or equal to 180 degree, latitude direction can be completely covered, it, can be complete after longitudinal acquisition plurality of pictures synthesizes photo
Cover longitudinal, it is seen then that when being fish eye lens for camera lens, 720 degree of distant view photographs can be shot；When camera lens is wide-angle lens
When, i.e., the field angle on camera lens vertical direction is less than 180 degree, then latitude direction cannot be completely covered, can 360 degree of shooting level it is complete
Scape image.
Camera lens is controlled when multiple longitude stations acquire image, does not limit the rotation of the first longitude station to the n-th longitude station
Turn direction, can rotate clockwise, can also rotate counterclockwise, but a selected rotational order must rotate at same direction.
Step 2: the picture that camera lens is shot under multiple longitude stations is synthesized into distant view photograph.Panorama mosaic method is
According to adjacent longitude station overlapping region characteristics of image, overlapping region is merged and Non-overlapping Domain is combined to obtain distant view photograph.
Referring to fig. 2, specific synthesizing mean is as follows:
Step 1: the camera lens is expanded into longitude and latitude image, the first longitude position in the n group picture of multiple longitude station photographs
The longitude and latitude expanded view at the place of setting is known as the first longitude and latitude image, remaining expanded view title and so on；
Step 2: any one Zhang Zuowei benchmark image in n group longitude and latitude image is chosen, such as with first at the first longitude station
Longitude and latitude image is as benchmark；
Step 3: the characteristic point of matching the first longitude and latitude image and the second longitude and latitude image；
Step 4: calculating the projection matrix between two groups of longitude and latitude images according to match point information；
Step 5: according to projection matrix, under the coordinate system that the second longitude and latitude image is transformed to the first longitude and latitude image, referred to as
Two images to be synthesized；
Step 6: similarly calculate the projection matrix between third longitude and latitude image and the second image to be synthesized, and by third longitude and latitude
Degree image transforms in the coordinate system of benchmark image；
Step 7: the rest may be inferred, until n-th longitude and latitude image is transformed in the coordinate system of benchmark image；
Step 8: being panoramic pictures by the Image Mosaic to be synthesized in the n group frame of reference.
Referring to Fig. 3, distant view photograph filming apparatus internal module of the present invention includes: that image capture module, processor module (contain
Power module), rotary module and memory module.Image capture module includes imaging sensor and camera lens.Camera lens visual angle theta1
Overlapping size with the camera lens visual angle on two neighboring longitude station is that the value of theta2, theta1 and theta2 are stored in advance in
In processor, according to theta1 and theta2, the number of revolutions that rotary module can be calculated in processor is (360/(theta1-
Theta2) -1), if calculated value is decimal, calculated result is rounded and adds 1, it is every that can also rotary module be calculated in processor
The rotation angle of secondary rotation is (theta1-theta2).
When shooting, hardware button is pressed, control signal is sent to processor, controls camera lens in the first longitude station processor
Mould group shoots an image and saves, and according to the rotation angle being calculated, processor emissioning controling signal is to rotary module, control
Rotary module rotates at (theta1-theta2) angle to the second longitude station, while the camera lens being fixedly mounted with rotary module
Mould group also follows rotary module to rotate at (theta1-theta2) to the second longitude station together, after rotary module stops, feedback
Signal can be shot to processor, expression, and control lens module is taken pictures after processor receives signal, shoot second
Image simultaneously saves, and in the same manner, acquires the image at remaining longitude station.After the completion of shooting is turned around in rotation, according to complete
Multiple original images are synthesized panoramic picture and saved by scape image composition method, processor, and so far entirely shooting process terminates.
Distant view photograph filming apparatus of the present invention further includes communication module, when shooting, can also be set by WiFi and other hardware
Standby to be connected, the transmittable control signal of other equipment sends control signal to rotary module, band index glass to processor, then by processor
Head mould group rotates and shoots image.Which is non contact type control mode, as mobile device or PC machine are sent by wifi and controlled
Signal processed is matched by bluetooth and processor to processor or independent bluetooth controller and sends control signal.It is collected original
After figure, it also may be selected to send mobile device end for artwork data by wifi or the end PC synthesize processing and obtain panorama shining
Piece.
Control signal can be sent to processor by hardware button, or sent and controlled by wifi by mobile device or PC machine
Signal processed can also be matched by bluetooth and processor by bluetooth controller to processor and send control signal to processing
Device；Panorama mosaic method can be integrated in processor end, be integrated in mobile device end or the end PC.It, can from processing is taken
To be supported by multiple control modes and the completion of processing mode independent assortment or various modes, by user oneself selection operation.
The mode recorded due to 360 degree of distant view photograph, when such as wanting to avoid shooting, arm enters coverage and occupies larger
Visual field can be delayed by several seconds shooting after pressing hardware button；Or directly by additional firmware equipment, control filming apparatus is taken pictures.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes
Technical solution consisting of any combination of the above technical features.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of distant view photograph image pickup method, it is characterised in that including following operating procedure:
Step 1: control camera lens acquires image in several longitude stations, and longitude station number n is more than or equal to 2；
Step 2: the image that step 1 is shot synthesizes distant view photograph.
2. distant view photograph image pickup method according to claim 1, it is characterised in that when acquiring image in the step 1, mirror
Head horizontal field of view angle is theta1, and the overlapping angle at two neighboring longitude station camera lens horizontal field of view angle is theta2, camera lens rotation
Turn number and calculated value is rounded and adds 1 if calculated result is decimal more than or equal to 360/ (theta1- theta2) -1.
3. distant view photograph image pickup method according to claim 2, it is characterised in that two neighboring longitude station camera lens is horizontal
The overlapping angle theta2 of field angle is greater than 0.
4. distant view photograph image pickup method according to claim 1, it is characterised in that exist if controlling camera lens in the step 1
Dry longitude station acquires image, is to control camera lens to move to different longitude stations by rotation mode, the first longitude station arrives
The direction of rotation of n-th longitude station is to rotate clockwise or rotate counterclockwise, and a panoramic picture acquisition, direction of rotation is by same
One direction rotates.
5. distant view photograph image pickup method according to claim 1, it is characterised in that the panorama mosaic side in the step 2
Method is to merge overlapping region according to adjacent longitude station overlapping region characteristics of image and Non-overlapping Domain is combined to obtain panorama photograph
Piece.
6. distant view photograph image pickup method according to claim 5, it is characterised in that the panorama mosaic method and step is such as
Under:
Step 1: the n group picture by the camera lens in several longitude station photographs expands into longitude and latitude image, the first longitude
Longitude and latitude expanded view at position is known as the first longitude and latitude image, remaining expanded view title and so on；
Step 2: any one Zhang Zuowei benchmark image in n group longitude and latitude image is chosen, such as with first at the first longitude station
Longitude and latitude image is as benchmark；
Step 3: the characteristic point of matching the first longitude and latitude image and the second longitude and latitude image；
Step 4: calculating the projection matrix between two groups of longitude and latitude images according to match point information；
Step 5: according to projection matrix, under the coordinate system that the second longitude and latitude image is transformed to the first longitude and latitude image, referred to as
Two images to be synthesized；
Step 6: similarly calculate the projection matrix between third longitude and latitude image and the second image to be synthesized, and by third longitude and latitude
Degree image transforms in the coordinate system of benchmark image；
Step 7: and so on, until n-th longitude and latitude image is transformed in the coordinate system of benchmark image；
Step 8: being panoramic pictures by the Image Mosaic to be synthesized in the n group frame of reference.
7. a kind of distant view photograph filming apparatus, it is characterised in that the distant view photograph filming apparatus can be realized described in claim 1
Distant view photograph image pickup method, specifically includes:
Image capture module, for shooting photo；
Rotary module, for driving image capture module to rotate to different longitude stations；
Processor module is rotated or is stopped for controlling rotary module, and controls image capture module acquisition picture, and
Carry out the synthesis of distant view photograph；
Memory module: the panoramic pictures for storing picture in collection process and synthesis obtains；
Power module: for powering to processor module, rotary module, image capture module.
8. distant view photograph filming apparatus according to claim 7, it is characterised in that further include communication module, for receiving solely
The control signal that vertical bluetooth controller is sent, or be connected by wifi with other hardware devices, receive control signal or transmission
Picture.
9. distant view photograph filming apparatus according to claim 7, it is characterised in that the camera lens light of described image acquisition module
The angle of rotating shaft center's line of axis and rotary module is greater than 0 degree, and is less than or equal to 90 degree.
10. distant view photograph filming apparatus according to claim 7, it is characterised in that the camera lens light of described image acquisition module
The center line of the distance rotary shaft that is less than or equal to 10cm or rotary module of rotating shaft center's line of the heart to rotary module passes through
The camera lens optical center of image capture module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910114608.XA CN109660734A (en) | 2019-02-14 | 2019-02-14 | A kind of distant view photograph image pickup method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910114608.XA CN109660734A (en) | 2019-02-14 | 2019-02-14 | A kind of distant view photograph image pickup method and device |
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| WO2021012854A1 (en) * | 2019-02-14 | 2021-01-28 | 南京泓众电子科技有限公司 | Exposure parameter acquisition method for panoramic image |
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| CN114630037B (en) * | 2022-03-22 | 2024-02-02 | 北京有竹居网络技术有限公司 | Shooting device, control method and device thereof, readable storage medium and electronic equipment |
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