CN108280235A - The method and apparatus that archives of digital photos is classified and collected automatically - Google Patents
The method and apparatus that archives of digital photos is classified and collected automatically Download PDFInfo
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- CN108280235A CN108280235A CN201810167986.XA CN201810167986A CN108280235A CN 108280235 A CN108280235 A CN 108280235A CN 201810167986 A CN201810167986 A CN 201810167986A CN 108280235 A CN108280235 A CN 108280235A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/5866—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, manually generated location and time information
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Abstract
The present invention provides the method and apparatus that a kind of archives of digital photos is classified and collected automatically, are related to Archive Resource library management technical field, including：Obtain the photo file in Archive Resource library；Read the geographical location information of each photo in photo file；Judge whether geographical location information is located within the scope of predeterminated position one by one；Predeterminated position range is determined according to preset location；It is collected in same photographic material library if it is, geographical location information is located at corresponding photo within the scope of predeterminated position.It solves previous archives special topic to compile the photo file retrieval ground in work and collect difficulty, photo file is searched incomplete, the problem of grinding theme relevant photographic material with volume cannot be summarized in time, the automatic classification of photo file is realized, improve the quality and efficiency of Compiling of Files.
Description
Technical field
The present invention relates to photo file administrative skill fields, more particularly, to a kind of classification and the remittance automatically of archives of digital photos
The method and apparatus of collection.
Background technology
With the continuous propulsion of Archival Informationization, Archive Resource library occupies increasingly consequence.Photo file is sound
As a type of archives, it truly has recorded a large amount of history moments of photographic scene, has unique collection, preservation and profit
With value.Currently, the portable equipments such as digital camera, smart mobile phone have become, people are daily to go out, records the standing of life
One of portable consumer electronics are often used by people to record landscape, shooting primary location and key activities on the way.And magnanimity,
Various archives of digital photos resource impacts traditional Compiling of Files pattern, and there is an urgent need to a kind of efficient easily modes to carry
It rises archives of digital photos and compiles the efficiency and quality ground.
Currently, the collection keeping of photo file extremely disperses, method for sorting differs, and photo file preserves imperfect, access
Inconvenience, so that carrying out special topic compiles that grind work time-consuming and laborious.Simultaneously as the relevance to photo is insufficient, cause to shine
The recall rate, precision rate of piece archives is inadequate.
Invention content
In view of this, the purpose of the present invention is to provide the method and apparatus that archives of digital photos is classified and collected automatically,
It solves previous archives special topic to compile the photo file retrieval ground in work and collect difficulty, photo file searches incomplete, Bu Nengji
When summarize the problem of grinding theme relevant photographic material with volume, realize the automatic classification of photo file, improve Compiling of Files
Quality and efficiency.
In a first aspect, an embodiment of the present invention provides a kind of methods that archives of digital photos is classified and collected automatically, including：
Obtain the photo file in Archive Resource library；Read the geographical location information of each photo in photo file；Described in judging one by one
Whether geographical location information is located within the scope of predeterminated position；The predeterminated position range is determined according to preset location；If
It is that geographical location information, which is then located at corresponding photo within the scope of predeterminated position, is collected in same photographic material library.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
The step of stating determining predeterminated position range, including：Determine the boundary of preset location；Obtain the geographical location on the boundary of preset location
Information；According to the geographical location information on the boundary, the predeterminated position range is determined.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein institute
It states according to the boundary position information, determines the predeterminated position range, including：Using Bezier curve function, according to described
Boundary position information obtains initial position range；The initial position range is corrected according to preset bias, is obtained described pre-
If position range.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiments of first aspect, wherein institute
It states and judges whether the geographical location information is located at predeterminated position range, including：It chooses multiple in the predeterminated position range
Continuous boundary geographical location information；Judge the geographical location information whether with the multiple boundary geographical location information weight
It closes；If it is not, then using ray method, judge whether the geographical location information is located at predeterminated position range.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein institute
It includes longitude information and latitude information to state geographical location information.
Second aspect, the embodiment of the present invention also provide a kind of device that archives of digital photos is classified and collected automatically, including：
Acquisition module, for obtaining the photo file in Archive Resource library；Read module, for reading each photo in photo file
Geographical location information；Judgment module, for judging whether the geographical location information is located within the scope of predeterminated position one by one；It determines
Module, for determining the predeterminated position range according to preset location；Collection module, for if it is, geographical location is believed
Breath is located at corresponding photo within the scope of predeterminated position and is collected in same photographic material library.
In conjunction with second aspect, an embodiment of the present invention provides the first possible embodiments of second aspect, wherein institute
Determining module is stated, is used for：Determine the boundary of preset location；Obtain the geographical location information on the boundary of preset location；According to described
The geographical location information on boundary determines the predeterminated position range.
In conjunction with second aspect, an embodiment of the present invention provides second of possible embodiments of second aspect, wherein institute
Determining module is stated, is additionally operable to：Using Bezier curve function, initial position range is obtained according to the boundary position information；Root
The initial position range is corrected according to preset bias, obtains the predeterminated position range.
In conjunction with second aspect, an embodiment of the present invention provides the third possible embodiments of second aspect, wherein institute
Judgment module is stated, is used for：Choose multiple continuous boundary geographical location information in the predeterminated position range；Judge describedly
Whether reason location information overlaps with the multiple continuous boundary geographical location information；If it is not, then using ray method, institute is judged
State whether geographical location information is located at predeterminated position range.
In conjunction with second aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of second aspect, wherein institute
It includes longitude information and latitude information to state geographical location information.
The embodiment of the present invention brings following advantageous effect：By the geographical location letter for reading each photo in photo file
Breath judges whether the geographical location information of each photo in photo file is within the scope of predeterminated position, if it is, will be located at
Corresponding photo is pooled in the same photographic material library within the scope of predeterminated position, can be using geographical location information as association pair
As being arrived what the archives of digital photos within the scope of identical predeterminated position was classified and collected automatically together, solving previous archives
Special topic compiles the photo file retrieval ground in work and collects difficulty, and photo file lookup is not complete, cannot summarize in time and grind master with volume
The problem of inscribing relevant photographic material realizes the automatic classification of photo file, improves the quality and efficiency of Compiling of Files.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the flow chart for the method that archives of digital photos provided in an embodiment of the present invention is classified and collected automatically；
Fig. 2 is the flow chart of determining predeterminated position range provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of irregular polygon provided in an embodiment of the present invention；
Fig. 4 is the structure chart for the device that archives of digital photos provided in an embodiment of the present invention is classified and collected automatically.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Currently, more scattered due to being stored to photo so that expansion compiles that grind work bothersome again for the special topic of locality
Arduously, it is based on this, a kind of method and apparatus that archives of digital photos is classified and collected automatically provided in an embodiment of the present invention pass through
The geographical location information for reading each photo in photo file, judge each photo in photo file geographical location information whether
For within the scope of predeterminated position, if it is, will be located at corresponding photo within the scope of predeterminated position be pooled to the same photo element
It, can be using geographical location information as affiliated partner, certainly by the archives of digital photos within the scope of identical predeterminated position in material library
Dynamic classification and that collects compile the photo file retrieval ground in work and collect difficulty to together, solving previous archives special topic, shines
Piece archives are searched incomplete, cannot summarize the problem of grinding theme relevant photographic material with volume in time, realize photo file from
Dynamic classification, improves the quality and efficiency of Compiling of Files.
For ease of understanding the present embodiment, when the embodiment of the present invention is discussed in detail, introduced first of the invention real
Apply Bezier curve involved in example and ray method：
Bezier curve
A kind of method that the image approximating method of Bezier curve is controlling polygon to define curve or curved surface.
Assuming that take n+1 discrete point, referred to as control vertex in plane, control vertex is linked in sequence and is obtained
Polygon is known as the controlling polygon of n times Bezier curve.N times Bezier curve section Bn(t) mathematic(al) representation is as follows：
Wherein Pi(i=0,1 ... n) indicate the n+1 discrete point constituted in order in plane,
Indicate the polynomial n+1 basic function of n times Bernstein.So, our B (t) are referred to as n times Bezier curve, claim PiIn order to control
Vertex is made of the borderline region of irregular complex polygon control vertex fitting.
By the definition of Bezier curve as can be seen that n times can be uniquely determined by the given control points n+1
Bezier curve thereby determines that the bounds in target physical place.
Ray method
When computer graphical processing, global position system, GIS-Geographic Information System etc. carry out image procossing, it is often necessary to sentence
The relationship of breakpoint and polygon.Present invention introduces ray method be judge point and Polygon position relationship most effective algorithm.It penetrates
The basic principle of collimation method is：A ray is reasonably drawn from the point to be judged, then calculates the ray and polygon edge intersection point
Number and, if intersection point be 0 or even number, put outside polygon；If intersection point is odd number, put in polygon.
It is shown in Figure 1, a kind of archives of digital photos disclosed in the embodiment of the present invention is classified and collected automatically first
Method include：
S110：Obtain the photo file in Archive Resource library.
Specifically, it after digital photograph is filed and to form archives, can store it in Archive Resource library, for follow-up
It develops and uses, that is, when wanting using photo file, need to obtain photo file from Archive Resource library.
S120：Read the geographical location information of each photo in photo file.
Specifically, photo is generally captured by the portable equipments such as digital camera or smart mobile phone, uses digital phase
When the portable equipments such as machine or smart mobile phone shoot photo, when can increase aperture when photography, shutter, ISO sensitivity, date
Between and geographical coordinate etc. it is various with the relevant information of photography conditions at that time, then these data are stored to the EXIF to photo
(Exchangeable Image File are a kind of formats set exclusively for digital camera photo, for recording digital photos
Attribute information) in, constitute EXIF metadata.That is, while obtaining photo, there is in the included attribute of photo
Geographical location information when shooting photo where user.And when wanting to obtain these geographical location information, it is only necessary to read
EXIF metadata in photo can be visually known the specified place of shooting photo.Wherein, geographical location information includes warp
Spend information and latitude information.
Optionally, the metadata-extractor kits increased income by JAVA (computer programming language) language use
Carry out metadata information extraction.Wherein, metadata-extractor is a kind of method for extracting EXIF metadata informations.
S130：Judge whether the geographical location information of photo in photo file is located within the scope of predeterminated position；Predeterminated position
Range is determined according to preset location；If so, thening follow the steps S140, if not, thening follow the steps S130, continue to sentence
It is disconnected.
In conjunction with shown in Fig. 2, the method for determining predeterminated position range, including：
S210：Determine the boundary of preset location.
Specifically, it when Compiling of Files personnel compile a certain tourist attractions progress special topic and grind, is clapped in the tourist attractions
The digital photograph taken the photograph is material needed for Compiling of Files, it is first determined the boundary of the tourist attractions.
S220：Obtain the geographical location information on the boundary of preset location.
Specifically, n+1 discrete point on the boundary line of the preset location can be chosen in common map software
P0,P1,...,Pn, to obtain the geographical position coordinates data of these discrete points, i.e.,：The geographical position on the boundary of preset location
Confidence ceases.
Shown in Fig. 2, according to the geographical location information on boundary, determines predeterminated position range, specifically include：
S230：Using Bezier curve function, initial position range is obtained according to boundary position information.
Specifically, three bezier curve is selected to be fitted the outline of straight line of image in the present embodiment.According to n times
Bezier curve section Bn(t) mathematic(al) representation obtains three bezier curve section B as n=33(t) mathematic(al) representation：
B3(t)=P0(1-t)3+3P1t(1-t)2+3P2t2(1-t)+P3t3, wherein t ∈ [0,1].
The present embodiment will carry out the step of fitting of the predeterminated position range of preset location such as using three bezier curve
Under：
(1) n+1 known to discrete control point P0,P1,...,Pn, P is found out respectively0P1, P1P2..., Pn-1PnMidpoint M1,
M2,...,Mn；
(2) successively with P0M1P1M2, M2P2M3P3, P3M4P4M5... a three bezier curve is drawn respectively.Go down successively,
If remaining less than four control points, add identical virtual point Pn+1=Pn, Mn+1=Pn, until meeting four strokes and dots one
Bezier curve.The thus obtained accurate difference of Bezier curve and both ends and part intermediate point, and fragment one-time continuous；
(3) n+1 discrete control points are linked in sequence with three bezier curve section through the above steps, to
The three bezier curve fitting for completing image outline, forms an irregular polygon region collection that can describe preset location
It closes；
(4) the discrete point P in plane is thus fittedi(i=1,2 ..., n), remember PiCoordinate be Pi=(xi,yi)。
The component form of Bezier curve is represented byWhereinIt indicates
The basic function of Bezier curve forms the irregular polygon i.e. predeterminated position range of preset location, and as shown in Figure 3 is irregular
Polygon.
S240：Initial position range is corrected according to preset bias, obtains predeterminated position range.
Since the geographical location that there is a possibility that take pictures a little is except the regional extent in target physical place, it is therefore desirable to
A bias Δ is added, forms a new matched curve, to obtain predeterminated position range, to avoid because of geographical location
Error and influence the accuracy collected.
According to the expression formula of the component form by the Bezier curve in (4), the Bezier curve of bias Δ is added
Expression formula beWherein, bias Δ xiWith Δ yiValue can be big according to the range of preset location
The actual needs of small and Compiling of Files work is set.
Step S130 includes：Choose multiple continuous boundary geographical location information in predeterminated position range.Judge geographical
Whether location information overlaps with multiple continuous boundary geographical location information；If it is not, then using ray method, geographical location is judged
Whether information is located at predeterminated position range.
It is specific as follows：
(1) several continuous vertex (the i.e. borderline point in vertex) are chosen on the irregular polygon of preset location, are remembered
For Pi(xi,yi), i=1,2 ... n；
(2) determine whether point A (x, y) overlaps with the vertex of the irregular polygon of preset location, i.e.,：Judge point A (x, y)
Whether on the boundary of irregular polygon, if the judgement for carrying out (3) not if；
(3) calculate | y-yi| minimum non-zero value (i=1,2 ... n), be denoted as my；Calculate | x-xi| maximum value (i=1,
2 ... n), it is denoted as Mx；
(4) drawing a slope by point A (x, y) isRay, ray do not intersect with the vertex of predeterminated position range,
The parametric equation of ray is L={ (x0,y0)+k(Mx,my), wherein 0<k<1.As k=1, second point on ray be (x ',
Y ')=(x0+Mx,y+my)；
(5) judge that the relationship of geographical location information and predeterminated position range in photo to be measured can be reduced to judge point A
Point (x on the ray and irregular polygon of the passing point (x ', y ') that (x, y) is sent outi,yi) and point (xi+1,yi+1) constitute side
KiNumber of hits, wherein KiExpression formula be L={ (x0,y0)+k′(xi+1-xi,yi+1-yi), 0<k′<1.
(6) statistics number of hits is judged by vector method, D need to be calculated1(D-D1)>0 and D2(D-D2)>0, whereinIt can calculate in this way
The number of ray and irregular polygon intersection point is put if intersection point is 0 or even number outside irregular polygon；If intersection point is
Odd number, then point is in irregular polygon.
S140：Geographical location information is located at corresponding photo within the scope of predeterminated position and is collected to same photographic material library
In.
Specifically, will belong within the scope of the irregular polygon, i.e., geographical location information is located within the scope of predeterminated position
Corresponding photo is classified and is pooled together automatically, and the photographic material library about the preset location is formed, in this way can be in shelves
Case volume, which is ground, can quickly find out relevant picture in work, and then be ground applied to archives special topic volume, improve the efficiency compiled and ground.
Device 400 shown in Figure 4, that archives of digital photos is classified and collected automatically, including：Acquisition module 410 is read
Module 420, judgment module 430, determining module 440 and collection module 450.
Wherein, acquisition module 410, for obtaining the photo file in Archive Resource library.Read module 420 and acquisition module
410 are connected, the geographical location information for reading each photo in photo file.Judgment module 430 and 420 phase of read module
Even, for judging whether the geographical location information is located within the scope of predeterminated position one by one.Determining module 440 and judgment module
430 are connected, for determining the predeterminated position range according to preset location.Collection module 450 is connected with judgment module 430, uses
It is collected in same photographic material library in if it is, geographical location information is located at corresponding photo within the scope of predeterminated position.
In some embodiments, determining module 440 are used for：Determine the boundary of preset location；Obtain the boundary of preset location
Geographical location information；According to the geographical location information on the boundary, predeterminated position range is determined.
In some embodiments, determining module 440 are additionally operable to：Using Bezier curve function, according to the boundary position
Information obtains initial position range；The initial position range is corrected according to preset bias, obtains predeterminated position range.
In some embodiments, judgment module 430 are used for：Choose multiple continuous outlands in predeterminated position range
Manage location information；Judge whether geographical location information overlaps with multiple continuous boundary geographical location information；If it is not, then utilizing
Ray method, judges whether geographical location information is located at predeterminated position range.
In some embodiments, geographical location information includes longitude information and latitude information.
The technique effect and preceding method embodiment phase of the device that the embodiment of the present invention is provided, realization principle and generation
Together, to briefly describe, device embodiment part does not refer to place, can refer to corresponding contents in preceding method embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
Specific work process, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " connected " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
It is logical.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term "upper", "lower", "inner", "outside"
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of description of the present invention and simplification of the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as
Instruction implies relative importance.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of method that archives of digital photos is classified and collected automatically, which is characterized in that including：
Obtain the photo file in Archive Resource library；
Read the geographical location information of each photo in photo file；
Judge whether the geographical location information is located within the scope of predeterminated position one by one；The predeterminated position range is according to default
What place determined；
If it is, geographical location information, which is located at corresponding photo within the scope of predeterminated position, is collected to same photographic material library
In.
2. the method that archives of digital photos according to claim 1 is classified and collected automatically, which is characterized in that the determination
The step of predeterminated position range, including：
Determine the boundary of preset location；
Obtain the geographical location information on the boundary of preset location；
According to the geographical location information on the boundary, the predeterminated position range is determined.
3. the method that archives of digital photos according to claim 2 is classified and collected automatically, which is characterized in that according to described
Boundary position information determines the predeterminated position range, including：
Using Bezier curve function, initial position range is obtained according to the boundary position information；
The initial position range is corrected according to preset bias, obtains the predeterminated position range.
4. the method that archives of digital photos according to claim 2 or 3 is classified and collected automatically, which is characterized in that judge
Whether the geographical location information is located at predeterminated position range, including：
Choose multiple continuous boundary geographical location information in the predeterminated position range；
Judge whether the geographical location information overlaps with the multiple continuous boundary geographical location information；
If it is not, then using ray method, judge whether the geographical location information is located at predeterminated position range.
5. the method classified and collected automatically according to claim 1-3 any one of them archives of digital photos, which is characterized in that
The geographical location information includes longitude information and latitude information.
6. the device that a kind of archives of digital photos is classified and collected automatically, which is characterized in that including：
Acquisition module, for obtaining the photo file in Archive Resource library；
Read module, the geographical location information for reading each photo in photo file；
Judgment module, for judging whether the geographical location information is located within the scope of predeterminated position one by one；
Determining module, for determining the predeterminated position range according to preset location；
Collection module, for being collected to together if it is, geographical location information is located at corresponding photo within the scope of predeterminated position
In one photographic material library.
7. the device that archives of digital photos according to claim 6 is classified and collected automatically, which is characterized in that the determination
Module is used for：Determine the boundary of preset location；Obtain the geographical location information on the boundary of preset location；According to the boundary
Geographical location information determines the predeterminated position range.
8. the device that archives of digital photos according to claim 7 is classified and collected automatically, which is characterized in that the determination
Module is additionally operable to：Using Bezier curve function, initial position range is obtained according to the boundary position information；According to default
Bias correct the initial position range, obtain the predeterminated position range.
9. the device that archives of digital photos according to claim 7 or 8 is classified and collected automatically, which is characterized in that described
Judgment module is used for：Choose multiple continuous boundary geographical location information in the predeterminated position range；Judge the geography
Whether location information overlaps with the multiple continuous boundary geographical location information；If it is not, then using ray method, described in judgement
Whether geographical location information is located at predeterminated position range.
10. according to the device that claim 6-8 any one of them archives of digital photos is classified and collected automatically, feature exists
In the geographical location information includes longitude information and latitude information.
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