CN104159036B - A kind of display methods and capture apparatus of image orientation information - Google Patents
A kind of display methods and capture apparatus of image orientation information Download PDFInfo
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Abstract
The invention discloses a kind of display methods of image orientation information and capture apparatus, display methods includes：The spatial shape that capture apparatus is acquired when A, shooting, obtains spatial positional information；B, the real scene image of shooting is obtained, directional information of the real scene image based on the earth is acquired；C, directional icon is generated according to the spatial positional information and directional information, the directional icon is superimposed in real scene image, is shown in shooting window；The present invention can be into line direction preview when taking pictures, also the directional information of real scene image can be preserved upon taking a picture, to facilitate user to understand shooting ground orientation, understand the directional information of shooting picture, enable users to realize the navigation of target location according to directional information, it also adds to the deeper understanding of shooting picture, increases the interest of shooting.
Description
Technical field
The present invention relates to angle detecting, technical field of image processing, more particularly to a kind of display side of image orientation information
Method and capture apparatus.
Background technology
Currently, universal with photographing device, people are worked in more occasions using intelligent photographing device, are given pleasure to
It is happy.With the raising to requirement of taking pictures, people it should be understood that spot for photography geographical location and azimuth information.And existing shooting
Equipment without the prompt of physical direction information, can not obtain the direction letter of shooting ground and the real scene image of shooting when shooting
Breath.User is often difficult the directional information distinguished using periphery scenery when capture apparatus, for the poor use of some senses of direction
For family, distinguish that the direction of scenery is really relatively difficult.
For example, when shooting streetscape, the scenery that the prior art passes through surrounding is difficult to distinguish actual direction, will not be in shooting window
Show that the trend in street, user are difficult to find out the route of needs.When shooting landscape, shooting picture will not be shown in shooting window
Geographical location can not understand all directions orientation on the ground.
Thus the prior art could be improved and improve.
Invention content
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of displays of image orientation information
Method and capture apparatus, can not asking in the directional information of shooting window display real scene image when solving conventional images shooting
Topic.
In order to achieve the above object, this invention takes following technical schemes：
A kind of display methods of image orientation information comprising：
The spatial shape that capture apparatus is acquired when A, shooting, obtains spatial positional information；
B, the real scene image of shooting is obtained, directional information of the real scene image based on the earth is acquired；
C, directional icon is generated according to the spatial positional information and directional information, the directional icon is superimposed to outdoor scene
It is shown in image, in shooting window.
In the display methods of the image orientation information, in the step A, the spatial positional information includes shooting
The shake-hands grip information of equipment or perpendicular bat information and Space Rotating information, the step A are specifically included：
A1, position of the capture apparatus based on terrestrial gravitation direction is acquired by gravity sensor, obtains the cross of capture apparatus
Clap information or perpendicular bat information；
A2, angle change of the capture apparatus when different directions are rotated is acquired by gyroscope, obtain the sky of capture apparatus
Between rotation information.
In the display methods of the image orientation information, the step B is specifically included：
B1, the real scene image for obtaining shooting；
B2, the earth induction in direction residing for capture apparatus is acquired as a result, obtaining the real scene image by direction sensor
The directional information of east, south, west, north based on the earth；
The directional information includes the compass name and directional arrow of east, south, west, north.
In the display methods of the image orientation information, the step B2 is specifically included：
B21, the center reference point for extracting real scene image, the center reference point are two cornerwise friendships of real scene image
Point；
B22, direction sensor acquire the earth induction at center reference point as a result, obtaining on the basis of center reference point
The directional information of east, south, west, north of the center reference point based on the earth.
In the display methods of the image orientation information, in the step C, according to the spatial positional information and side
Directional icon is generated to information to specifically include：
C1, according to shake-hands grip information or the perpendicular dispaly state clapped information and adjust the compass name of east, south, west, north；
C2, according to east, south, west, north in Space Rotating information adjustment direction information, northern four direction directional arrow between
Angle；
C3, combine corresponding with directional arrow of the dispaly state of compass name is generated into directional icon.
It is described to be superimposed to the directional icon in the step C in the display methods of the image orientation information
It shows and specifically includes in real scene image, in shooting window：
C11, gray proces are carried out to real scene image, carrying out region to real scene image according to the gray value of each pixel draws
Point, to mark off gray areas similar in gray value；
C12, the size for calculating each gray areas extract the maximum gray areas of area；
C13, the directional icon is superimposed in the maximum gray areas of area, shooting window show real image and
Directional icon.
In the display methods of the image orientation information, the step C12 further includes：According to the gray value of each pixel
The straight line in real scene image is identified with coordinate, as reference with the straight line in the preset range of the maximum gray areas of area
Straight line；
The step C13 further includes：By the directional icon be superimposed to the maximum gray areas of area and with reference to straight line
Adjacent position is shown.
In the display methods of the image orientation information, further include after the step C：It is stored after shooting described folded
The real scene image of directional icon is added.
A kind of capture apparatus of image orientation information comprising：
Device space position module acquires the spatial shape of capture apparatus when for shooting, obtain spatial positional information；
Taking module, the real scene image for obtaining shooting；
Direction sensor, for acquiring directional information of the real scene image based on the earth；
Image processing module, for generating directional icon according to the spatial positional information and directional information, by the side
It is superimposed in real scene image to icon, shown in shooting window；
Display module, for showing the real scene image for being superimposed directional icon in shooting window；
Described image processing module connects device space position module, taking module, direction sensor and display module.
In the capture apparatus, the capture apparatus is mobile phone, tablet computer or camera.
Compared to the prior art, the display methods and capture apparatus of image orientation information provided by the invention, when shooting
The spatial shape of capture apparatus is acquired, spatial positional information is obtained；The real scene image of shooting is obtained, acquisition real scene image is based on ground
The directional information of ball；Directional icon is generated according to the spatial positional information and directional information, the directional icon is superimposed to
It is shown in real scene image, in shooting window；In this way realistic picture also can be upon taking a picture preserved when taking pictures into line direction preview
The directional information of picture understands the directional information of shooting picture, enables users to according to direction to facilitate user to understand shooting ground orientation
The navigation of information realization target location also adds to the deeper understanding of shooting picture, increases the interest of shooting.
Description of the drawings
Fig. 1 is the display methods flow chart of image orientation information provided by the invention.
Fig. 2 illustrates for the display of real scene image and directional information in the display methods of image orientation information provided by the invention
Figure.
Fig. 3 is the structure diagram of the capture apparatus of image orientation information provided by the invention.
Fig. 4 be image orientation information provided by the invention display methods embodiment one in image orientation information display
Result schematic diagram.
Fig. 5 be image orientation information provided by the invention display methods embodiment two in image orientation information display
Result schematic diagram.
Fig. 6 be image orientation information provided by the invention display methods embodiment three in image orientation information display
Result schematic diagram.
Specific implementation mode
The present invention provides a kind of display methods and capture apparatus of image orientation information, to make the purpose of the present invention, technology
Scheme and effect are clearer, clear, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, the display methods of image orientation information provided by the invention can be shown when shooting, in shooting window
The direction of shooting ground all directions, to facilitate user to understand direction；The real scene image for being superimposed directional icon is preserved after shooting.Institute
Stating display methods includes：
The spatial shape that capture apparatus is acquired when S100, shooting, obtains spatial positional information；
S200, the real scene image for obtaining shooting acquire directional information of the real scene image based on the earth；
S300, directional icon is generated according to the spatial positional information and directional information, the directional icon is superimposed to
It is shown in real scene image, in shooting window.
The directional information when present invention is mainly to shooting needs the spatial positional information for obtaining capture apparatus into row information
With the directional information of outdoor scene figure.Wherein, the spatial positional information include capture apparatus shake-hands grip information or it is perpendicular clap information, with
And Space Rotating information.Then the step S100 is specifically included：
Step 101 acquires position of the capture apparatus based on terrestrial gravitation direction by gravity sensor, obtains capture apparatus
Shake-hands grip information or perpendicular clap information.
Capture apparatus may be shake-hands grip or perpendicular bat when shooting, and for convenience when the display of follow-up direction, compass name can always just
Position display, i.e. no matter capture apparatus is sidewards or endways, the character of compass name always positive display on shooting window；Weight need to be passed through
Force snesor is come the shake-hands grip information for obtaining capture apparatus or perpendicular bat information, so as to the display effect of adjustment direction name.
Step 102 acquires angle change of the capture apparatus when different directions are rotated by gyroscope, obtains capture apparatus
Space Rotating information.
When shooting, with the rotation of capture apparatus, shooting angle also constantly changes；And then influence follow-up all directions direction
Angle.The Space Rotating information of capture apparatus is obtained by step 102, you can the rotation direction of capture apparatus is understood in real time,
Further increase grasp of the user to direction.
When capture apparatus rotates, the real scene image that display window is shown also corresponds to change.The present embodiment is with real scene image
Benchmark identifies the directional information for the earth of clapped picture.Then the step S200 is specifically included：
Step 201, the real scene image for obtaining shooting.The real scene image obtained at this time is only used for judging direction, capture apparatus
The real scene image will not be stored at this time.When capture apparatus rotates, real scene image is changed therewith.In real scene image such as Fig. 2 shown in a.
Step 202 acquires the earth induction in direction residing for capture apparatus as a result, obtaining the outdoor scene by direction sensor
The directional information of east, south, west, north of the image based on the earth.
When it is implemented, the directional information is obtained on the basis of the center reference point of real scene image.The then step
Rapid 202 specifically include：
Step 2021, the center reference point for extracting real scene image, the center reference point are two diagonal lines of real scene image
Intersection point.In center reference point 1 such as Fig. 2 shown in b.
Step 2022, direction sensor on the basis of center reference point, acquire center reference point at earth induction as a result,
Obtain the directional information of east, south, west, north of the center reference point based on the earth.
The directional information includes the compass name and directional arrow of east, south, west, north.The compass name and directional arrow are such as
In Fig. 2 shown in c.The intersection point of directional arrow is center reference point.The general direction and name of east, south, west, north are only marked at this time
Claim.In the specific implementation, compass name and directional arrow, such as southwest, northwest, the southeast, northeast can also be increased.Generating direction
When icon, need to be adjusted according to spatial positional information and directional information.Then the step S300 is specifically included：
Step 301, according to shake-hands grip information or the perpendicular dispaly state clapped information and adjust the compass name of east, south, west, north.No matter
Capture apparatus is sidewards or endways, and " east, south, west, north " these characters all need normotopia to show, to facilitate user to check.
Step 302, according to east, south, west, north in Space Rotating information adjustment direction information, northern four direction directional arrow it
Between angle.In directional arrow such as Fig. 2 after adjustment shown in d.
Combine corresponding with directional arrow of the dispaly state of compass name is generated directional icon by step 303.According to directional arrow
Direction adjustment " east, south, west, north " character position, make it always near arrow, the directional diagram finally obtained is marked on a map
In Fig. 2 shown in d.
After obtaining directional icon, you can be superimposed in real scene image, shown in shooting window.In order to not influence outdoor scene
The viewing effect of image, this implementation by directional icon be superimposed to real scene image white space or large stretch of color similar in region
In, it specifically includes：
Step 311 carries out gray proces to real scene image, and region is carried out to real scene image according to the gray value of each pixel
It divides, to mark off gray areas similar in gray value.
Step 312, the size for calculating each gray areas extract the maximum gray areas of area.
The directional icon is superimposed in the maximum gray areas of area by step 313, in the practical figure of shooting window display
Picture and directional icon.
A figures are as can be seen that real scene image can substantially divide multiple gray areas according to three color of black-white-gray from Fig. 2.Wherein
Region shared by ground is maximum, is placed on the viewing effect for not interfering with real scene image herein.Streetscape belongs to more special realistic picture
Picture, there are the directional characteristics of street lane.And there are the baseline of building, road edges safety line on street.These
Line is arranged along streets direction.The direction in street is understood in order to facilitate user.Current embodiment require that doing streetscape into one
Step processing.Then in the step 312, further include：It is identified in real scene image according to the gray value of each pixel and coordinate
Straight line, using the straight line in the preset range in the maximum gray areas of area as with reference to straight line 2.
As shown in e in Fig. 2, the straight line in real scene image includes the profile straight line of wall on building, the flower bed on road
Baseline.The maximum gray areas of area is ground, in ground preset range（Such as 0.5 meter）Interior straight line only has flower bed baseline.Flower
Altar baseline moves towards setting along street, is to show that the trend in street will be more accurate with reference to straight line with it.
Directional icon is placed on to the direction that user nearby would be much more convenient with reference to straight line 2 and understand real scene image.Then in institute
It states in step 313, further includes that the directional icon is superimposed to the maximum gray areas of area and the position adjacent with reference straight line
Set display.It shows in result such as Fig. 2 shown in f.User can be facilitated to understand street in real scene image in shooting window in this way
Direction.
After user presses shooting key shooting, the real scene image for being superimposed directional icon is stored.User checks shooting
When image, display or not display direction icon can be selected according to different image display softwares.
Based on the display methods of above-mentioned image orientation information, the present invention correspondingly provides a kind of bat of image orientation information
Equipment is taken the photograph, referring to Fig. 3, the capture apparatus includes：
Device space position module 100 acquires the spatial shape of capture apparatus when for shooting, obtain space bit confidence
Breath；
Taking module 200, the real scene image for obtaining shooting；
Direction sensor 300, for acquiring directional information of the real scene image based on the earth；
Image processing module 400 will be described for generating directional icon according to the spatial positional information and directional information
Directional icon is superimposed in real scene image, is shown in shooting window；
Display module 500, it is specific such as above-mentioned implementation for showing the real scene image for being superimposed directional icon in shooting window
Shown in example；
Described image processing module 400 connects device space position module 100, taking module 200, direction sensor 300
With display module 500.
The capture apparatus further includes memory module 600, connects display module 500, and directional diagram has been superimposed for storing
Target real scene image.
Wherein, the device space position module 100 includes：
Gravity sensor obtains the shake-hands grip of capture apparatus for acquiring position of the capture apparatus based on terrestrial gravitation direction
Information or perpendicular bat information；
Gyroscope obtains the space of capture apparatus for acquiring angle change of the capture apparatus when different directions rotate
Rotation information.
In the present embodiment, the capture apparatus is mobile phone, tablet computer or camera.
As shown in figure 4, it is capture apparatus when being mobile phone, shooting window shows the realistic picture for being superimposed directional icon
Picture.Fig. 5 is the display effect that one streetscape has been superimposed directional icon when mobile phone is shot.Fig. 6 is another streetscape superposition when mobile phone is shot
The display effect of directional icon.From fig. 4 to fig. 6 as can be seen that with streets direction difference, directional arrow in directional icon
Angle, compass name accordingly adjusts.
In conclusion the present invention when shooting, acquires the spatial shape of capture apparatus, spatial positional information is obtained；It obtains
The real scene image of shooting acquires directional information of the real scene image based on the earth；According to the spatial positional information and directional information
Directional icon is generated, the directional icon is superimposed in real scene image, is shown in shooting window；In shooting window display shooting
The direction of ground all directions also can upon taking a picture preserve the direction of real scene image when taking pictures into line direction preview in this way
Information understands the directional information of shooting picture, enables users to be realized according to directional information to facilitate user to understand shooting ground orientation
The navigation of target location also adds to the deeper understanding of shooting picture, increases the interest of shooting.
It, can according to the technique and scheme of the present invention and its invention it is understood that for those of ordinary skills
Design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the protection of appended claims of the invention
Range.
Claims (8)
1. a kind of display methods of image orientation information, which is characterized in that including：
The spatial shape that capture apparatus is acquired when A, shooting, obtains spatial positional information；
B, the real scene image of shooting is obtained, directional information of the real scene image based on the earth is acquired；
C, directional icon is generated according to the spatial positional information and directional information, the directional icon is superimposed to real scene image
In, shooting window show；
The spatial positional information includes the shake-hands grip information of capture apparatus or perpendicular claps information and Space Rotating information；
In the step C, directional icon is generated according to the spatial positional information and directional information and is specifically included：
C1, according to shake-hands grip information or the perpendicular dispaly state clapped information and adjust the compass name of east, south, west, north；
C2, according to east, south, west, north in Space Rotating information adjustment direction information, northern four direction directional arrow between angle；
C3, combine corresponding with directional arrow of the dispaly state of compass name is generated into directional icon；
With the difference of streets direction, angle, the compass name of directional arrow accordingly adjust；
The step A is specifically included：
A1, position of the capture apparatus based on terrestrial gravitation direction is acquired by gravity sensor, obtains the shake-hands grip letter of capture apparatus
Breath or it is perpendicular clap information, with the display effect of adjustment direction name, no matter capture apparatus is sidewards or endways, and the character of compass name is always just
It is shot on window to being shown in；
A2, angle change of the capture apparatus when different directions are rotated is acquired by gyroscope, obtain the space rotation of capture apparatus
Transfering the letter breath, to understand the rotation direction of capture apparatus in real time.
2. the display methods of image orientation information according to claim 1, which is characterized in that the step B is specifically included：
B1, the real scene image for obtaining shooting；
B2, the earth induction that direction residing for capture apparatus is acquired by direction sensor are based on as a result, obtaining the real scene image
The directional information of the east, south, west, north of the earth；
The directional information includes the compass name and directional arrow of east, south, west, north.
3. the display methods of image orientation information according to claim 2, which is characterized in that the step B2 is specifically wrapped
It includes：
B21, the center reference point for extracting real scene image, the center reference point are two cornerwise intersection points of real scene image；
B22, direction sensor acquire the earth induction at center reference point as a result, the center of acquisition on the basis of center reference point
The directional information of east, south, west, north of the reference point based on the earth.
4. the display methods of image orientation information according to claim 2, which is characterized in that described in the step C
The directional icon is superimposed in real scene image, shows and specifically includes in shooting window：
C11, gray proces are carried out to real scene image, region division is carried out to real scene image according to the gray value of each pixel, with
Mark off gray areas similar in gray value；
C12, the size for calculating each gray areas extract the maximum gray areas of area；
C13, the directional icon is superimposed in the maximum gray areas of area, real image and direction is shown in shooting window
Icon.
5. the display methods of image orientation information according to claim 4, which is characterized in that the step C12 further includes：
The straight line in real scene image is identified according to the gray value of each pixel and coordinate, in the default of the maximum gray areas of area
Straight line in range, which is used as, refers to straight line；
The step C13 further includes：By the directional icon be superimposed to the maximum gray areas of area and with reference to straight line it is adjacent
Position show.
6. the display methods of image orientation information according to claim 1, which is characterized in that after the step C also
Including：The real scene image for being superimposed directional icon is stored after shooting.
7. a kind of capture apparatus of image orientation information, which is characterized in that including：
Device space position module acquires the spatial shape of capture apparatus when for shooting, obtain spatial positional information；Pass through weight
Force snesor acquires position of the capture apparatus based on terrestrial gravitation direction, obtains the shake-hands grip information of capture apparatus or perpendicular bat information,
With the display effect of adjustment direction name, no matter capture apparatus is sidewards or endways, and always positive display is being shot the character of compass name
On window；Angle change of the capture apparatus when different directions rotate is acquired by gyroscope, obtains the space rotation of capture apparatus
Transfering the letter breath, to understand the rotation direction of capture apparatus in real time；
Taking module, the real scene image for obtaining shooting；
Direction sensor, for acquiring directional information of the real scene image based on the earth；
Image processing module, for generating directional icon according to the spatial positional information and directional information, by the directional diagram
Mark is superimposed in real scene image, is shown in shooting window；
Display module, for showing the real scene image for being superimposed directional icon in shooting window；
Described image processing module connects device space position module, taking module, direction sensor and display module；
The spatial positional information includes the shake-hands grip information of capture apparatus or perpendicular claps information and Space Rotating information；
Directional icon is generated according to the spatial positional information and directional information to specifically include：According to shake-hands grip information or perpendicular bat information
Adjust the dispaly state of the compass name of east, south, west, north；According to east, south, west, north, north four in Space Rotating information adjustment direction information
Angle between the directional arrow in a direction；Combine corresponding with directional arrow of the dispaly state of compass name is generated into directional icon；
With the difference of streets direction, angle, the compass name of directional arrow accordingly adjust.
8. capture apparatus according to claim 7, which is characterized in that the capture apparatus is mobile phone, tablet computer or photograph
Camera.
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| CN105933621B (en) * | 2015-12-29 | 2018-11-13 | 广东中星电子有限公司 | A kind of method and device of switching adjacent camera video |
| CN106982347A (en) * | 2016-01-16 | 2017-07-25 | 阔展科技(深圳)有限公司 | Has the intelligent mobile monitor of extraction and analysis data capability |
| CN107155018A (en) * | 2016-03-04 | 2017-09-12 | 阔展科技(深圳)有限公司 | Intellectual analysis video camera |
| CN106027906A (en) * | 2016-06-30 | 2016-10-12 | 北京金山安全软件有限公司 | Photo processing method and device and camera terminal |
| CN108701439B (en) * | 2016-10-17 | 2021-02-12 | 华为技术有限公司 | Image display optimization method and device |
| CN107545040B (en) * | 2017-08-04 | 2020-09-08 | 深圳航天智慧城市系统技术研究院有限公司 | Method and system for marking direction in three-dimensional geographic information scene of computer |
| CN111383271B (en) * | 2018-12-29 | 2023-06-23 | 阿里巴巴集团控股有限公司 | Picture-based direction marking method and device |
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