CN105931177A - Image collection processing device and method in specific environment - Google Patents
Image collection processing device and method in specific environment Download PDFInfo
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- CN105931177A CN105931177A CN201610232427.3A CN201610232427A CN105931177A CN 105931177 A CN105931177 A CN 105931177A CN 201610232427 A CN201610232427 A CN 201610232427A CN 105931177 A CN105931177 A CN 105931177A
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- mural painting
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- 238000010422 painting Methods 0.000 claims abstract description 72
- 230000001143 conditioned effect Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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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
- G06T3/06—Topological mapping of higher dimensional structures onto lower dimensional surfaces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to an image collection processing device and method in specific environment. The processing device comprises a collection camera, a first flash lamp, a second flash lamp, a holder, a cross bar, a support, a collection terminal and a power supply, wherein the cross bar is fixed on the support, the holder is fixed on the cross bar, the collection camera is fixed at the top surface of the holder, both the first flash lamp and the second flash lamp are fixed on the cross bar, and the holder is placed between the first flash lamp and the second flash lamp. The collection terminal comprises a storage module and an image processing module, and the image processing module reads original collection data from a storage module and processes the data to obtain 3D wall painting model data and 2D wall painting image data. The device and method have the advantages that the high-definition collection camera and flash lamps are used to collect high-definition original wall painting collection data, the original data is processed by the image processing module to obtain the 3D wall painting model data and 2D wall painting image data, and a wall painting can be positioned accurately no matter a wall in the collection environment is deformed or not.
Description
Technical field
The present invention relates to image acquisition and processing field, the image being specifically related under specific environment is adopted
Collection processing means and method thereof.
Background technology
The mural painting cultural and historical of China is long, has huge artistic value and scientific value,
But due to the reason such as natural environment and anthropic factor, cause many ancient wall historical relics to be damaged
Bad；For the ease of repair and the communication development of mural painting culture of mural painting, mural painting image is entered
Row gathers and storage becomes extremely important；Nowadays electronic technology develops rapidly, and how to use numeral
Photography and image processing techniques mural painting image is acquired process with stored into one non-
The most important technical problem.
Summary of the invention
For the problems referred to above, in order to overcome the defect of prior art, it is desirable to provide a kind of
High definition mural painting image can be gathered and carry out the devices and methods therefor processed.
To achieve these goals, the present invention adopts the following technical scheme that
Scheme one:
Image acquisition and processing device under specific environment, including gather camera, the first flash lamp,
Second flash lamp, The Cloud Terrace, cross bar, support, acquisition terminal and power supply, cross bar is fixed on support
On, The Cloud Terrace is fixed on cross bar, gathers camera and is fixed on the end face of The Cloud Terrace, described first flash of light
Lamp and the second flash lamp are both secured on cross bar, and The Cloud Terrace is positioned at the first flash lamp and the second flash of light
The centre of lamp；Acquisition terminal includes memory module and image processing module, image processing module,
Memory module and collection camera are electrically connected with successively；Described power supply is that the first flash lamp and second dodges
Light modulation is powered；
The acquired original data collected are sent to memory module by described collection camera；At image
Reason module reads acquired original data from memory module, these acquired original data is processed and obtains
3D mural painting model data and 2D mural painting view data, and by this 3D mural painting model data and 2D
Mural painting view data sends to memory module.
As preferably, described acquisition terminal also includes the display mould being electrically connected with memory module
Block.
As preferably, also including track, described is set up on track, and described support can be along this
Track moves.
As preferably, described support is adjustable and retractable bar.
As preferably, the distance between described first flash lamp and the second flash lamp is 1 meter.
As preferably, the power of described first flash lamp and the second flash lamp is 600 watt-seconds.
Scheme two:
Image acquisition and processing method under specific environment, comprises the steps:
S1: gather camera and mural painting is carried out image acquisition, pre-conditioned original to obtain meeting
Gathering data, the described pre-conditioned optical resolution including acquired original data is not less than to be differentiated
Rate preset value, and gather camera continuously mural painting is carried out image acquisition according to preset order；
S2: gather camera and acquired original data are sent to memory module, image processing module from
Memory module reads acquired original data；
S3: image processing module obtains acquired original data according to acquired original data and sits in space
Target 3D cloud data, and obtain 3D mural painting model data according to 3D cloud data；
3D cloud data is mapped on two dimensional surface by S4: image processing module, generates 2D wall
Draw view data；
3D mural painting model data and 2D mural painting view data are sent extremely by S5: image processing module
Memory module.
As preferably, the pre-conditioned acquired original also including that each two is adjacent in described S1
The Duplication of data is not less than 70%；Definition mural painting is divided into some rows from top to bottom, described default
Order is to be acquired some row's mural paintings successively according to order from top to bottom, to each row
Mural painting is acquired from left to right.
As preferably, the resolution preset value in described S1 is 300dpi.
As preferably, in described S1, filled by the image acquisition and processing under regulation specific environment
Put the distance between mural painting so that the optical resolution of acquired original data meets pre-conditioned.
Compared to existing technology, the beneficial effects of the present invention is, gather camera and sudden strain of a muscle by high definition
Light modulation can gather the mural painting acquired original data of high definition, and is processed by image processing module
To 3D mural painting model data and 2D mural painting view data；Whether the wall no matter gathering environment has
Deformation, can realize mural painting location accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the image acquisition and processing device under the specific environment of the present invention；
Fig. 2 is the flow chart of the image acquisition and processing method under the specific environment of the present invention.
In figure, 10, gather camera；20, the first flash lamp；21, the second flash lamp；30、
The Cloud Terrace；40, support；401, cross bar.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Image acquisition and processing device under specific environment, glistens including gathering camera 10, first
Lamp the 20, second flash lamp 21, The Cloud Terrace 30, cross bar 401, support 40, acquisition terminal, rail
Road and power supply；Described acquisition terminal includes image processing module, memory module and display module；
Described image processing module and display module are all connected with memory module.
As it is shown in figure 1, described cross bar 401 level is fixed on support 40；The Cloud Terrace 30 is fixed
On cross bar 401, it is preferably fixed to the middle-end of cross bar 401；Gather camera 10 and be fixed on cloud
The end face of platform 30；Described first flash lamp 20 and the second flash lamp 21 are both secured to cross bar 401
On, and The Cloud Terrace 30 is positioned at the first flash lamp 20 and centre of the second flash lamp 21；Preferably
It is individually fixed in the two ends of cross bar 401；Gather camera the 10, first flash lamp 20 and second to dodge
Light modulation 21 is on same straight line, and is in a plane with cross bar 401.
Described support 40 is carbon fiber support, and support 40 is adjustable and retractable bar, support 40
The Cloud Terrace about 30 can be controlled vertically move, to drive collection camera about 10 vertically to move；Institute
Stating support 40 and be set up in above track, support 40 can move along track, to drive The Cloud Terrace
30 move with gathering camera 10 left and right horizontal.
Described power supply is the first flash lamp 20 and the second flash lamp 21 is powered；
Described collection camera 10 is electrically connected with acquisition terminal；Described collection camera 10 and storage
Module connects, and the acquired original data collected are sent to storing mould by described collection camera 10
Block, described display module reads acquired original data from memory module and shows acquired original number
According to, user can check acquired original data by the display module of acquisition terminal；Described figure
As processing module reads acquired original data from memory module, acquired original data are carried out image
Process obtains 3D mural painting model data and 2D mural painting view data, and by this 3D mural painting model
Data and the transmission of 2D mural painting view data store to memory module；
Described acquisition terminal is computer, and described computer includes 1394 fire-wire interfaces；Described image
Processing module is Agisoft PhotoScan Professional.
Described collection camera 10 includes camera lens, fuselage and DIGITAL-MODUL-R, described camera lens, fuselage
Being sequentially connected with DIGITAL-MODUL-R, DIGITAL-MODUL-R is connected with acquisition terminal；If owing to shooting place
Being limited, when shooting distance is not more than 1 meter, described collection camera 10 includes camera lens and fuselage,
Described fuselage and acquisition terminal connect, and acquisition resolution is 300dpi；The image used passes
Sensor is not less than single frames 40,000,000 pixel, possesses color restoration capability accurately；Described camera lens
Possess multicoating and big image field, the shifting s function of CCD can be supported, soluble 6.0 microns
High definition level.
The power of described flash lamp is 600 watt-seconds, and color rendering index is all not less than 96%.
Gathering environment and include mural painting tomb, ancient architecture and the Cave Temple, gathering space is 1 cubic metre
Or it is bigger.
During regulation acquisition processing device distance acquisition target 2.16 meters, acquisition resolution is
300dpi；During regulation acquisition processing device distance acquisition target 1.6 meters, acquisition resolution is
400dpi；Distance between described first flash lamp 20 and the second flash lamp 21 is 1 meter；Adopt
Collection resolution is the highest, and acquired original data enlargement ratio is the biggest, so that the mural painting figure finally given
As more high definition.
During collection, according to the position of acquisition target, the horizontal level of regulation support 40 is with vertical
Position；By level indicator regulate collecting device, make first flash lamp the 20, second flash lamp 21,
Gather camera 10 parallel with acquisition target with the plane at cross bar 401 place；
It is the first light source region that described first flash lamp 20 exports the source region on acquisition target
Territory, it is secondary light source region that the second flash lamp 21 exports the source region on acquisition target,
The overlapping source region area of the first source region and secondary light source region overlap is 1 square metre；
Gather four angles and the light output of central point of overlapping source region respectively, adjust first
Flash lamp 20 and the position of the second flash lamp 21 so that the lamp at four angles of overlapping source region
The light output error amount of light output and central point is not more than 0.1EV.
After adjusting the position of this device, gather in a sidewalls of grottoes, coffin chamber or ancient building
Mural painting；After collection completes a sidewalls, under moving track to another side wall, then gather another
Mural painting in one sidewalls；Data overlap rate between the acquired original data that each two is adjacent is not
Less than 70%；The acquired original data transmission collected by collection camera 10 is entered to acquisition terminal
Row storage and process.
As in figure 2 it is shown, the image acquisition and processing method under a kind of specific environment, including:
Step S1, collection camera carry out image acquisition to mural painting, so that acquired original data
Optical resolution is not less than resolution preset value；Described resolution preset value is 300dpi, logical
Overregulate the distance between acquisition processing device and mural painting to regulate the optics of acquired original data
Resolution；When acquisition processing device distance acquisition target 2.16 meters, optical resolution is
300dpi；During acquisition processing device distance acquisition target 1.6 meters, optical resolution is 400dpi；
Gather camera 10 and gather the acquired original data of mural painting according to preset rules；By mural painting to
Giving a definition and be divided into some rows, described preset order is: mural painting highest point one row region is first row,
From left to right gather first row acquired original data, after terminating first row collection, more from left to right
Gather second row acquired original data；Like this according to order from top to bottom to some row's mural paintings
It is acquired successively each row's mural painting is acquired from left to right；Each two is adopted by adjacent original
Collection data overlap rate is not less than 70%, not less than 70%, Duplication can ensure that continuous print is original and adopts
Information relevance between collection data is sufficiently high, and can guarantee that and carrying out successive image processing procedure
The mural painting image restoring degree obtained is sufficiently high；After collection completes a face wall, mobile collection processes
Device, under another face wall, carries out the mural painting collection of another face wall；
Acquired original data are sent the storage mould to acquisition terminal by step S2, collection camera 10
Block；Image processing module reads acquired original data from memory module；
Acquired original data are processed by step S3, image processing module, adopt according to original
Collection data calculate the spatial relationship between the image of diverse location shooting, obtain acquired original data
3D cloud data in space coordinates；Each spatial point of this cloud data is with RGB color
Multimedia message, therefore constitutes a secondary colored 3D mural painting model data；According in gatherer process
The relatedness of the 3D cloud data between the acquired original data of different metopes, can obtain not
With the 3D mural painting model data of metope, the 3D mural painting model data of neighbouring metope being combined can
To obtain the complete 3D mural painting model data of this collection environment；
3D cloud data is mapped on two dimensional surface by step S4, image processing module, permissible
It is accurately positioned the position of mural painting, ultimately generates high-precision 2D mural painting view data；Described 2D
Mural painting view data is orthography, does not has transparent effect, and the wall no matter gathering environment is flat
Face, concave surface or convex surface, this method can exactly 2D mural painting image restoring out；
Step S5, image processing module are by 2D mural painting view data and 3D mural painting model data
Send to memory module；Described display module can read 2D mural painting picture number from memory module
According to 3D mural painting model data with display, user can check 2D mural painting by display module
View data and 3D mural painting model data.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to the protection domain of the claims in the present invention.
Claims (10)
1. the image acquisition and processing device under a specific environment, it is characterised in that include gathering phase
Machine, the first flash lamp, the second flash lamp, The Cloud Terrace, cross bar, support, acquisition terminal and
Power supply, cross bar is fixed on support, and The Cloud Terrace is fixed on cross bar, gathers camera and is fixed on
The end face of The Cloud Terrace, described first flash lamp and the second flash lamp be both secured on cross bar, and
The Cloud Terrace is positioned at the first flash lamp and the centre of the second flash lamp；Acquisition terminal includes storing mould
Block and image processing module, image processing module, memory module and collection camera are the most electric
Property connect；Described power supply is the first flash lamp and the second flash lamp is powered；
The acquired original data collected are sent to memory module by described collection camera；Figure
As processing module reads acquired original data from memory module, at these acquired original data
Reason obtains 3D mural painting model data and 2D mural painting view data, and by this 3D mural painting model
Data and 2D mural painting view data send to memory module.
2. the image acquisition and processing device under specific environment as claimed in claim 1, its feature exists
In, described acquisition terminal also includes the display module being electrically connected with memory module.
3. the image acquisition and processing device under specific environment as claimed in claim 1, its feature exists
In, also include track, described is set up on track, and described support can move along this track
Dynamic.
4. the image acquisition and processing device under specific environment as claimed in claim 1, its feature exists
In, described support is adjustable and retractable bar.
5. the image acquisition and processing device under specific environment as claimed in claim 1, its feature exists
In, the distance between described first flash lamp and the second flash lamp is 1 meter.
6. the image acquisition and processing device under specific environment as claimed in claim 1, its feature exists
In, the power of described first flash lamp and the second flash lamp is 600 watt-seconds.
7. the image acquisition and processing method under specific environment, is applied to claim 1 to right
Requiring the image acquisition and processing device under the specific environment described in 7 any one, its feature exists
In, comprise the steps:
S1: gather camera and mural painting is carried out image acquisition, pre-conditioned original to obtain meeting
Gathering data, the described pre-conditioned optical resolution including acquired original data is not less than
Resolution preset value, and gather camera continuously mural painting is carried out image according to preset order
Gather；
S2: gather camera and acquired original data are sent to memory module, image processing module from
Memory module reads acquired original data；
S3: image processing module obtains acquired original data according to acquired original data and sits in space
Target 3D cloud data, and obtain 3D mural painting model data according to 3D cloud data；
3D cloud data is mapped on two dimensional surface by S4: image processing module, generates 2D wall
Draw view data；
3D mural painting model data and 2D mural painting view data are sent extremely by S5: image processing module
Memory module.
8. the image acquisition and processing method under specific environment as claimed in claim 8, its feature exists
In, pre-conditioned in described S1 also includes the weight of the acquired original data that each two is adjacent
Folded rate is not less than 70%；Definition mural painting is divided into some rows from top to bottom, and described preset order is,
According to order from top to bottom, some row's mural paintings are acquired successively, to each row's mural painting
It is acquired from left to right.
9. the image acquisition and processing method under specific environment as claimed in claim 8, its feature exists
In, the resolution preset value in described S1 is 300dpi.
10. the image acquisition and processing method under specific environment as claimed in claim 7, its feature
It is, in described S1, by the image acquisition and processing device under regulation specific environment and wall
Distance between picture is so that the optical resolution of acquired original data meets pre-conditioned.
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| CN201610232427.3A CN105931177B (en) | 2016-04-14 | 2016-04-14 | Image acquisition processing device and method under specific environment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031855A (en) * | 2016-12-23 | 2017-08-11 | 中国电子科技集团公司第三十四研究所 | The installation regulating system and application method of a kind of laser communication terminal on board the aircraft |
| CN110254116A (en) * | 2019-06-26 | 2019-09-20 | 季云博 | The reparation of the Longmen Grottoes colour mural painting, the non-something lost technique for drawing color |
| CN110543871A (en) * | 2018-09-05 | 2019-12-06 | 天目爱视（北京）科技有限公司 | point cloud-based 3D comparison measurement method |
| CN116708683A (en) * | 2023-08-01 | 2023-09-05 | 文博安全科技有限公司 | Digital automatic acquisition system and method for wall painting |
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