CN112256717A - Method, device and equipment for determining house number and computer storage medium - Google Patents
Method, device and equipment for determining house number and computer storage medium Download PDFInfo
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Abstract
The embodiment of the application provides a method, a device and equipment for determining a house number and a computer storage medium, wherein the method comprises the following steps: acquiring coordinates of a target object and a first place, wherein the first place comprises a place which is located on the same street with the target object and has a known house number; determining a first distance between the target object and the first location according to the coordinates of the target object and the first location; determining a house number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to the house numbers of N second places which are located in the same street with the target object and the house numbers of which are known, the house number of the first place and a second distance between the first place and each third place, wherein the third places comprise the first place and the N second places, and N is a positive integer. The method and the device for inquiring and determining the house numbers of the whole number of places in the GIS platform can be realized based on the known information of a small number of house numbers.
Description
Technical Field
The present application belongs to the technical field of geographic information, and in particular, to a method, an apparatus, a device, and a computer storage medium for determining a house number.
Background
With the increasing development and popularization of computer technology, the geographic information system GIS plays an increasingly important role in the production and life of people. For example, for a telecom operator, it is necessary to know information such as the distribution of a wireless network, the coverage area of the wireless network, and the geographic distribution of a poor cell of the network through geographic information data in a GIS platform.
The geographic information data of the GIS platform is generally derived from raw data provided by professional mapping units, and includes, for example, house numbers. However, it is impossible for the surveying and mapping unit to adopt the full amount due to the large number of house numbers, and the user does not purchase the house numbers in full amount due to the purchasing cost. Therefore, there are problems in that, for locations in the GIS platform where no house numbers are compiled or purchased, users cannot query and determine the house numbers of the locations.
Disclosure of Invention
The embodiment of the application provides a method, a device and equipment for determining house numbers and a computer storage medium, which can solve the problem that house numbers of part of places in a GIS platform cannot be inquired and determined.
In a first aspect, an embodiment of the present application provides a method for determining a number plate, where the method includes:
acquiring coordinates of a target object and a first place, wherein the first place comprises a place which is located on the same street with the target object and has a known house number;
determining a first distance between the target object and the first location according to the coordinates of the target object and the first location;
determining a house number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to the house numbers of N second places which are located in the same street with the target object and the house numbers of which are known, the house number of the first place and a second distance between the first place and each third place, wherein the third places comprise the first place and the N second places, and N is a positive integer.
In one embodiment, the first place comprises a place where the largest house number or the smallest house number is located in all places where the house numbers are known in the street where the target object is located.
In one embodiment, prior to obtaining the coordinates of the target object and the first location, the method further comprises:
the known house numbers are grouped according to street names and single and double numbers, and the street names of all the house numbers in each group are the same and are all single numbers or both double numbers;
screening and deleting the wrong house numbers in each group, and marking the states of the wrong house numbers as deleted states;
acquiring coordinates of a target object and a first location, comprising:
the coordinates of the target object and a first place in a group corresponding to a street where the target object is located are obtained.
In one embodiment, screening and deleting the wrong house number in each group, and marking the state of the wrong house number as a deleted state comprises:
sequencing all the house number in each group according to the sequence from big to small or from small to big;
determining whether the (i + 1) th and the (i + 2) th house number are correct or not according to the (i) th, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers in each group, wherein i is a positive integer;
under the condition that at least one of the (i + 1) th number and the (i + 2) th number is determined to be incorrect, determining that the wrong number is the (i + 1) th number and/or the (i + 2) th number according to the (i + 1) th, the (i + 3) th and the (i + 4) th numbers in each group and the (i + 2) th, the (i + 3) th and the (i + 4) th numbers in each group;
and under the condition that the (i + 1) th house number and/or the (i + 2) th house number are/is determined to be the wrong house number, deleting the wrong house number and marking the state of the wrong house number as a deleted state.
In one embodiment, determining whether the i +1 th and i +2 th house number are both correct based on the i, i +1 th, i +2 th and i +3 th house number in each group comprises:
determining the places of the ith, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers;
judging whether a first included angle between the places where the ith, the (i + 1) th and the (i + 2) th house numbers are located is within a preset range or not, judging whether a second included angle between the places where the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers are within the preset range or not, and determining that at least one of the (i + 1) th and the (i + 2) th house numbers is incorrect when at least one of the first included angle and the second included angle is not within the preset range.
In one embodiment, determining whether the wrong house number is the (i + 1) th house number and/or the (i + 2) th house number based on the (i) th, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group and the (i), the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group comprises:
when the ith, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group meet a first preset condition, and the ith, the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group do not meet a second preset condition, determining that the wrong house number is the (i + 2) th house number;
when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group meet a second preset condition, determining that the wrong house number is the (i + 1) th house number;
when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a second preset condition, determining that the wrong house numbers are the (i + 1) th house number and the (i + 2) th house number;
the first preset condition includes: a third included angle between the ith and the (i + 1) th doorplate number and the place where the (i + 3) th doorplate number is located is within a preset range, and a fourth included angle between the (i + 1) th and the (i + 3) th doorplate number and the place where the (i + 4) th doorplate number is located is within a preset range;
the second preset condition includes: the fifth included angle between the ith and (i + 2) th house number and the place where the (i + 3) th house number is located is within the preset range, and the sixth included angle between the (i + 2) th and (i + 3) th house number and the place where the (i + 4) th house number is located is within the preset range.
In one embodiment, determining a first distance between the target object and the first location based on the coordinates of the target object and the first location comprises:
determining M second positions between the target object and the first position according to the coordinates of the target object and the first position;
and accumulating and calculating the distances between the first position, the M second positions and the adjacent positions in the target object to obtain a first distance.
In one embodiment, after sorting all house numbers in each group in order of big to small or small to big, the method further comprises:
dotting all house numbers in each group in the geographic information system application program;
acquiring the ground features and the landform information of a plurality of streets;
and associating the ground feature and landform information with the house numbers and places in the geographic information system application program, and marking the ground feature and the landform of each house number and place.
In one embodiment, the interpolation method comprises newton interpolation.
In a second aspect, an embodiment of the present application provides an apparatus for determining a number of a door, the apparatus including:
the system comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring coordinates of a target object and a first place, and the first place comprises a place which is in the same street with the target object and has a known house number;
a first determining unit configured to determine a first distance between the target object and the first location based on coordinates of the target object and the first location;
the second determining unit is used for determining the house number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to the house numbers of N second places which are located in the same street with the target object and the house numbers of which are known, the house number of the first place and a second distance between the first place and each third place, wherein the third places comprise the first place and the N second places, and N is a positive integer.
In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes:
a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the house number determination method provided by the first aspect.
In a fourth aspect, an embodiment of the present application provides a computer storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the house number determination method provided in the first aspect.
According to the house number determining method, the house number determining device, the house number determining equipment and the computer storage medium, firstly, coordinates of a target object and a first place are obtained, wherein the first place comprises a place which is located on the same street with the target object and has a known house number; then, according to the coordinates of the target object and the first position, determining a first distance between the target object and the first position; determining the number of the target object according to the first distance and a preset interpolation function; the interpolation function is obtained according to the house numbers of N second places which are located on the same street with the target object and the house numbers of which are known, the house number of the first place, the second distance between the first place and the first place, and the second distance between the first place and each second place, so that the house number of the target object can be determined according to the distance between the target object and the first place and the corresponding relation between the distance between the known place and the first place in the interpolation function and the house number. Therefore, the method and the device can realize the query and determination of the house numbers of the whole number of places in the GIS platform based on the known small number of house number information.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a house number determination method provided in an embodiment of the present application;
FIG. 2 schematically illustrates a target object, a first location and a second location of an embodiment of the application;
FIG. 3 schematically illustrates house numbers in a grouped set in accordance with an embodiment of the present application;
fig. 4 is a schematic structural diagram of a house number determination device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
With the increasing development and popularization of computer technology, the geographic information system GIS plays an increasingly important role in the production and life of people. For example, for a telecom operator, it is necessary to know information such as the distribution of a wireless network, the coverage area of the wireless network, and the geographic distribution of a poor cell of the network through geographic information data in a GIS platform.
The geographic information data of the GIS platform is generally derived from raw data provided by professional mapping units, and includes, for example, house numbers. The house number inquiry based on the GIS platform is very important for network optimization, complaint handling and other works of operators. However, it is impossible for the surveying and mapping unit to adopt the full amount due to the large number of house numbers, and the operator does not purchase the house numbers in full amount due to the purchasing cost. Therefore, some problems are brought about, and as the adopted or purchased house numbers are not full, the house numbers of some places in the GIS platform cannot be inquired and determined, namely, the inquiry and positioning of the purchased limited number of house number information can be realized.
And if all the number information is purchased completely to realize the inquiry and positioning based on the full number of the number information, the cost and expenditure are very high. Meanwhile, the presentation of all the house number information by using the GIS is not beneficial to the configuration of map layers and can also influence the visual display effect of the GIS.
In order to solve the prior art problems, embodiments of the present application provide a method, an apparatus, a device, and a computer storage medium for determining a house number.
The technical idea of the embodiment of the application is as follows: firstly, acquiring coordinates of a target object and a first place, wherein the first place comprises a place which is positioned on the same street with the target object and has a known house number; then, according to the coordinates of the target object and the first position, determining a first distance between the target object and the first position; determining the number of the target object according to the first distance and a preset interpolation function; the interpolation function is obtained according to the house numbers of N second places which are located on the same street with the target object and the house numbers of which are known, the house number of the first place and the second distance between the first place and each second place, so that the house number of the target object can be determined according to the distance between the target object and the first place and the corresponding relation between the distance between the known place and the first place in the interpolation function and the house number.
The method for determining a house number provided in the embodiment of the present application is first described below.
Fig. 1 is a schematic flow chart of a house number determination method according to an embodiment of the present disclosure. As shown in fig. 1, the method may include the steps of:
s101, coordinates of the target object and the first position are obtained.
In the present embodiment, the target object may be any place or building or other object, and the first place may be, for example, a place which is on the same street as the target object and whose house number is known. To facilitate subsequent calculations, the first place may include, as an example, a place where the largest house number or the smallest house number among all places where the street where the target object is located has known house numbers.
For example, there are 4 places where the number of the house number is known in the street where the target object is located, which are a place a, a place B, a place C, and a place D. The place where the largest house number is located in all the places of the known house numbers of the streets where the target object is located is the place D corresponding to the house number 33, and the place where the smallest house number is located is the place A corresponding to the house number 13. Then, the first location may be either location a or location D.
Here, the first place is not limited to the place where the largest house number or the smallest house number is located among all places where house numbers are known, and may be another place where house numbers are known, and the present application is not limited thereto.
Specifically, in S101, the coordinates of the target object may be called in a geographic information system application (hereinafter referred to as a GIS application), and accordingly, the coordinates of the first location may also be called. The coordinates here may be, for example, latitude and longitude coordinates.
In order to automatically retrieve the coordinates of the first location of the street where the target object is located after the target object is selected or input, as an example, before S101 is executed, known house numbers may be grouped according to the name of the street, and then the street where the target object is located may be determined according to the name of the street of the target object in S101, and then the first location of the same street as the target object may be determined, and the coordinates of the first location may be retrieved.
In the process of grouping house numbers, considering the naming requirement of the house number of each place, for example, the requirement of separately naming single and double house numbers on both sides of a road needs to be followed, in order to be compatible with the actual situation and ensure the accuracy of subsequent calculation, as an example, the embodiment of the present application may group known house numbers according to street names and single and double house numbers, for example, and the street names of all house numbers in each group after grouping are the same and are single or double. I.e. each street may be divided into two sets of house numbers, one set being single-numbered and the other set being double-numbered, for example.
In practical applications, the first place may be, for example, a place that is on the same street and on the same side of the road as the target object and for which the house number is known. In S101, for example, it may be determined that the number plate of the target object is a single number or a double number according to which side of the road the target object is on, and when it is determined that the number plate of the target object is the single number, the coordinates of the first place of the single number group of the street where the target object is located are retrieved; and when the house number of the target object is determined to be a double number, the coordinates of the first place of the double number group of the street where the target object is located are called.
After acquiring the coordinates of the target object and the first location, S102 is performed.
S102, determining a first distance between the target object and the first position according to the coordinates of the target object and the first position.
S102 will be described with reference to fig. 2. Fig. 2 schematically shows a target object, a first location and a second location of an embodiment of the application. As shown in fig. 2, point d is a location where the target object is located, for example, point a is a first location, and points b and c are both second locations. As can be seen from fig. 2, the street where the target object is located is not a straight line, so if the distance between the target object and the first location is directly calculated according to the coordinates of the target object and the coordinates of the first location, the calculated distance is a straight line distance between two points, and if the house number is determined according to the straight line distance, the deviation is large, so in order to reduce the calculation deviation, the embodiment of the present application calculates the street-following distance between the target object and the first location.
Specifically, S102 may include the steps of:
the method comprises the following steps of firstly, determining M second positions between a target object and a first position according to coordinates of the target object and the first position.
In the embodiment of the application, the second place is a place which is on the same street with the target object except the first place and has a known house number. More specifically, the second location is, for example, a location which is located on the same street as the target object except the first location, is located on the same side of the road, and has a known number, that is, when the number of the target object is a single number, the second location is a second location of the single number group of the street where the target object is located; when the number plate of the target object is a double number, the second place is the second place of the double number group of the street where the target object is located.
The coordinates of the second location are known, for example as latitude and longitude coordinates. In the first step, for example, M second locations having longitude coordinates between the longitude coordinate of the target object and the longitude coordinate of the first location may be determined in a single-number group or a double-number group of the street where the target object is located, based on the longitude coordinate of the target object and the longitude coordinate of the first location. Of course, M second locations having latitude coordinates between the latitude coordinate of the target object and the latitude coordinate of the first location may also be determined in the single-number group or the double-number group of the street where the target object is located according to the latitude coordinate of the target object and the latitude coordinate of the first location.
And a second step of accumulating and calculating the distances between the first position, the M second positions and the adjacent positions in the target object to obtain a first distance.
In the embodiment of the present application, the calculation expression of the distance between any two adjacent places is as follows:
C＝sin(LatA)*sin(LatB)*cos(LonA-LonB)+cos(LatA)*cos(LatB) (1)
D(A,B)＝R*arccos(C)*π/180 (2)
wherein LonA and LatA are respectively a longitude coordinate and a latitude coordinate of a place A, LonB and LatB are respectively a longitude coordinate and a latitude coordinate of a place A, C is an intermediate parameter, R is the radius of the earth, an approximate value can be 6371 kilometer, and the unit can be converted according to the actual situation; pi is the circumferential ratio, sin is the sine function, cos is the cosine function, arccos is the inverse cosine function, D(A,B)Is the distance between location a and location B.
As shown in fig. 2, the distance D between the point a and the point b is calculated in order according to the above expressions (1) and (2)(a,b)Distance D between points b and c(b,c)Distance D between points c and D(c,d)。
Then, a first distance between the location d and the location a is calculated, and the expression is:
D(a,d)＝D(a,b)+D(b,c)+D(c,d) (3)
wherein D is(a,d)Is the first distance between location d and location a.
Here, it should be noted that, for the first place, considering that the sample diversity is directly proportional to the result accuracy, if there are many known house number samples between the d point and the maximum house number, the first place is the place corresponding to the maximum house number, and the street distance between the d point and the maximum house number is calculated; otherwise, if a plurality of known house number samples exist between the point d and the minimum house number, the first place is the place corresponding to the minimum house number, and the street distance between the point d and the minimum house number is calculated.
After determining the first distance between the target object and the first location, S103 is performed.
S103, determining the number of the target object according to the first distance and a preset interpolation function.
In the embodiment of the application, the interpolation function is based on an interpolation method and is obtained according to the house numbers of the N second places which are located on the same street with the target object and the house numbers of which are known, the house number of the first place and the second distance between the first place and each second place.
For ease of understanding, the interpolation function in S103 is still described below by taking fig. 2 as an example.
As shown in fig. 2, assume that the first location is location a and the target object is location d. The interpolation function is obtained by the following steps:
the first step, calculating the second distance between the place of each known house number and the first place. The second distance between the point a and itself is x00, and a second distance x between the point b and the point a1＝D(a,b)The second distance between the point c and the point a is x2＝D(a,c)The second distance between the point f and the point a is x3＝D(a,f)And the like until the second distance between the place of all known house numbers and the first place is calculated. I.e. calculating a second distance between each third location and the first location, the third locations comprising the first location and the N second locations.
And a second step of determining the corresponding relation between the house number and the second distance.
f(x0)＝13，f(x1)＝19，f(x2)＝27，……
And by analogy, the corresponding relation between each second distance and the number of the house number is obtained.
Step three, establishing an interpolation function N (x) based on the corresponding relation between the second distance and the number of the gate, wherein the expression is as follows:
wherein f is0＝f(x0) F (x) the quotient of 0 steps is defined as the function value of f [ x ]i]＝f(xi) When the value is generalized to k, f [ x ]0,x1,x2,…,xk-1,xk]The quotient of the k order differences, denoted as (x):
wherein ω isk(x) Is a polynomial of degree k and is,
wherein x represents a first distance between the target object and the first location, xjRepresenting a second distance between a jth second location and the first location among all second locations between the target object and the first location, k representing the total number of the second distances, xiAnd i represents the ith second distance, and i, j and k are natural numbers.
Therefore, the first distance x between the target object and the first place is used as an input value and is input into the interpolation function N (x), and the output value of the interpolation function N (x), namely the house number of the target object, can be obtained.
In addition, in the above S103, the embodiment of the present application is described by taking a newton interpolation method as an example, but the interpolation method of the embodiment of the present application is not limited to the newton interpolation method, and other types of interpolation methods, such as a lagrange interpolation method, may be used, and the present application is not limited thereto.
In order to ensure the accuracy of the determined number of the target object, as an example, before executing S101, the embodiment of the present application may further include the following steps:
after the known house numbers are grouped according to the street names and the single and double numbers, the wrong house numbers in each group are screened and deleted, and the states of the wrong house numbers are marked as deleted states.
Specifically, all house numbers in each group are first sorted in order from large to small or small to large.
And then, determining whether the (i + 1) th and the (i + 2) th house number are correct or not according to the (i) th, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers in each group, wherein i is a positive integer. It is understood that from the adjacent four house numbers in each set, it is determined whether the middle two house numbers of the four house numbers are both correct.
Specifically, the places of the ith, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers are determined; judging whether a first included angle between the places where the ith, the (i + 1) th and the (i + 2) th house numbers are located is within a preset range or not, judging whether a second included angle between the places where the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers are within the preset range or not, and determining that at least one of the (i + 1) th and the (i + 2) th house numbers is incorrect when at least one of the first included angle and the second included angle is not within the preset range.
As shown in fig. 3, the places corresponding to the adjacent four house numbers are place a, place b, place c and place d. Judging whether a first included angle between a place a, a place b and a place c is within a preset range or not, and judging whether a second included angle between the place b, the place c and a place d is within the preset range or not.
When the first included angle ° abc and the second included angle ° bcd are both in a preset range, the house number of the place b and the house number of the place c are both correct; when at least one of the first included angle abc and the second included angle bcd is not in the preset range, for example, the first included angle abc is smaller than the minimum value of the preset range, and the second included angle bcd is larger than the maximum value of the preset range, it is described that at least one of the house number of the place b and the place c is incorrect.
In the embodiment of the present application, the preset range may be, for example, 90 degrees to 270 degrees, and of course, other angle ranges are also possible, and the present application is not limited thereto. It should be noted that the first included angle and the second included angle may both be calculated clockwise or counterclockwise, and the application is not limited thereto.
And under the condition that at least one of the (i + 1) th number and the (i + 2) th number is determined to be incorrect, determining that the wrong number is the (i + 1) th number and/or the (i + 2) th number according to the (i + 1) th, the (i + 3) th and the (i + 4) th numbers in each group and the (i + 2) th, the (i + 3) th and the (i + 4) th numbers in each group.
Table 1 shows several judgments in the case that at least one of the (i + 1) th and (i + 2) th house number is incorrect.
TABLE 1
As shown in table 1 and fig. 3, when at least one of the (i + 1) th number (e.g., the number of the place b) and the (i + 2) th number (e.g., the number of the place c) is incorrect, one number is carried forward backward, and it is determined that the incorrect number is the number of the place b and/or the number of the place c based on the numbers of the places a, b, d, and f and the numbers of the places a, c, d, and f.
Specifically, when the ith, ith +1, ith +3 and ith +4 house numbers in each group meet a first preset condition, and the ith, ith +2, ith +3 and ith +4 house numbers in each group do not meet a second preset condition, it is determined that the wrong house number is the (i + 2) th house number. As shown in the (2) th case of table 1, for example, when the house numbers of the place a, the place b, the place d, and the place f satisfy the first preset condition, and the house numbers of the place a, the place c, the place d, and the place f do not satisfy the second preset condition, it is determined that the wrong house number is the house number of the place c.
Correspondingly, when the ith, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group do not meet the first preset condition, and the ith, the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group meet the second preset condition, determining that the wrong house number is the (i + 1) th house number. As shown in the (3) th case of table 1, for example, when the house numbers of the place a, the place b, the place d, and the place f do not satisfy the first preset condition, and the house numbers of the place a, the place c, the place d, and the place f satisfy the second preset condition, it is determined that the wrong house number is the house number of the place b.
And when the ith, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group do not meet the first preset condition, and the ith, the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group do not meet the second preset condition, determining that the wrong house numbers are the (i + 1) th house number and the (i + 2) th house number. As shown in the (4) th case of table 1, for example, when the house numbers of the place a, the place b, the place d, and the place f do not satisfy the first preset condition, and the house numbers of the place a, the place c, the place d, and the place f do not satisfy the second preset condition, it is determined that the wrong house number is the house number of the place b and the house number of the place c.
In the embodiment of the present application, the first preset condition includes: the third included angle between the ith and (i + 1) th house numbers and the place where the (i + 3) th house number is located is within a preset range, and the fourth included angle between the (i + 1) th and (i + 3) th house numbers and the place where the (i + 4) th house number is located is within a preset range.
In the embodiment of the present application, the second preset condition includes: the fifth included angle between the ith and (i + 2) th house number and the place where the (i + 3) th house number is located is within the preset range, and the sixth included angle between the (i + 2) th and (i + 3) th house number and the place where the (i + 4) th house number is located is within the preset range.
In the embodiment of the present application, the preset range may be, for example, 90 degrees to 270 degrees, and of course, other angle ranges are also possible, and the present application is not limited thereto. For the specific determination process, please refer to the above description, which is not repeated herein.
Here, in the case (1) shown in table 1, since one of the two points c and b is error data, the two points c and d cannot be simultaneously corrected with the two points b and d, and therefore the first case can be disregarded.
As a simple and quick judgment method, under the condition that at least one of the (i + 1) th house number and the (i + 2) th house number is determined to be incorrect, whether the included angle between the places corresponding to the (i + 3) th, i + 4) th house numbers is within a preset range or not can be judged at first, and when the included angle between the places corresponding to the (i + 3) th, i + 4) th house numbers is within the preset range, the (i + 1) th house number and the (i + 2) th house number are all wrong; when the included angle between the places corresponding to the ith, the (i + 3) th and the (i + 4) th house numbers is not within the preset range, the (i + 3) th house number is possibly an error house number, and the judgment of the next cycle is needed.
And finally, under the condition that the (i + 1) th house number and/or the (i + 2) th house number are/is determined to be the wrong house number, deleting the wrong house number and marking the state of the wrong house number as a deleted state.
Considering that a user has a need to know not only the number of the target object, but also the geographic form and the geographic form of the target object, as an example, after sorting all the number of the house in the sequence from large to small or from small to large, the embodiment of the present application may further include the following steps:
first, all house numbers in each group are dotted in the geographic information system application. I.e. all house numbers in each group are dotted into the GIS application.
And then, acquiring the surface feature and the geomorphic information of a plurality of streets. The feature and geomorphic information may include, for example, POI information of streets, greenbelts, residential areas, and buildings.
And finally, associating the ground feature and landform information with the number and the place in the GIS application program, and marking the ground feature and the landform of each number and place, so that the ground feature and the landform of the target object can be determined while the number of the target object is determined.
Based on the house number determining method provided by the above embodiment, correspondingly, the application also provides a specific implementation manner of the house number determining device. Please see the examples below.
Referring first to fig. 4, a device 400 for determining a house number provided by an embodiment of the present application may include the following units:
an obtaining unit 401, configured to obtain coordinates of a target object and a first location, where the first location includes a location that is located on the same street as the target object and has a known number;
a first determining unit 402, configured to determine a first distance between the target object and the first location according to the coordinates of the target object and the first location;
a second determining unit 403, configured to determine a house number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to the house numbers of N second places which are located in the same street with the target object and the house numbers of which are known, the house number of the first place and a second distance between the first place and each third place, wherein the third places comprise the first place and the N second places, and N is a positive integer.
In the device for determining the number of the house, the obtaining unit is used for obtaining the coordinates of the target object and a first place, wherein the first place comprises a place which is located on the same street with the target object and the number of the house is known; the first determining unit is used for determining a first distance between the target object and the first position according to the coordinates of the target object and the first position; the second determining unit is used for determining the house number of the target object according to the first distance and a preset interpolation function. The interpolation function is obtained according to the house numbers of N second places which are located on the same street with the target object and the house numbers of which are known, the house number of the first place, the second distance between the first place and the first place, and the second distance between the first place and each second place, so that the house number of the target object can be determined according to the distance between the target object and the first place and the corresponding relation between the distance between the known place and the first place in the interpolation function and the house number. Therefore, the method and the device can realize the query and determination of the house numbers of the whole number of places in the GIS platform based on the known small number of house number information.
In one embodiment, the first place comprises a place where the largest house number or the smallest house number is located in all places where the house numbers are known in the street where the target object is located.
In one embodiment, the device 400 for determining house numbers provided by the embodiment of the present application may include a preprocessing unit, configured to group known house numbers according to street names and single and double numbers, where the street names of all house numbers in each group are the same and are both single numbers or both double numbers; and screening and deleting the wrong house numbers in each group, and marking the states of the wrong house numbers as deleted states. The obtaining unit 401 is specifically configured to obtain the target object and the coordinates of the first location in the group corresponding to the street where the target object is located.
In one embodiment, the preprocessing unit is specifically configured to sort all house numbers in each group in descending order or descending order; determining whether the (i + 1) th and the (i + 2) th house number are correct or not according to the (i) th, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers in each group, wherein i is a positive integer; under the condition that at least one of the (i + 1) th number and the (i + 2) th number is determined to be incorrect, determining that the wrong number is the (i + 1) th number and/or the (i + 2) th number according to the (i + 1) th, the (i + 3) th and the (i + 4) th numbers in each group and the (i + 2) th, the (i + 3) th and the (i + 4) th numbers in each group; and under the condition that the (i + 1) th house number and/or the (i + 2) th house number are/is determined to be the wrong house number, deleting the wrong house number and marking the state of the wrong house number as a deleted state.
In one embodiment, the preprocessing unit is specifically configured to determine locations where the ith, the (i + 1) th, the (i + 2) th and the (i + 3) th house number are located; judging whether a first included angle between the places where the ith, the (i + 1) th and the (i + 2) th house numbers are located is within a preset range or not, judging whether a second included angle between the places where the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers are within the preset range or not, and determining that at least one of the (i + 1) th and the (i + 2) th house numbers is incorrect when at least one of the first included angle and the second included angle is not within the preset range.
In one embodiment, the preprocessing unit is specifically configured to determine that the wrong house number is the (i + 2) th house number when the (i) th, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group satisfy a first preset condition and the (i) th, the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group do not satisfy a second preset condition; when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group meet a second preset condition, determining that the wrong house number is the (i + 1) th house number; when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group do not meet a second preset condition, determining that the wrong house numbers are the (i + 1) th house number and the (i + 2) th house number; the first preset condition includes: a third included angle between the ith and the (i + 1) th doorplate number and the place where the (i + 3) th doorplate number is located is within a preset range, and a fourth included angle between the (i + 1) th and the (i + 3) th doorplate number and the place where the (i + 4) th doorplate number is located is within a preset range; the second preset condition includes: the fifth included angle between the ith and (i + 2) th house number and the place where the (i + 3) th house number is located is within the preset range, and the sixth included angle between the (i + 2) th and (i + 3) th house number and the place where the (i + 4) th house number is located is within the preset range.
In one embodiment, the first determining unit 402 is specifically configured to determine, according to the coordinates of the target object and the first location, M second locations between the target object and the first location; and accumulating and calculating the distances between the first position, the M second positions and the adjacent positions in the target object to obtain a first distance.
In one embodiment, the house number determining apparatus 400 provided by the embodiment of the present application may include an association unit, configured to click on all house numbers in each group in the geographic information system application; acquiring the ground features and the landform information of a plurality of streets; and associating the ground feature and landform information with the house numbers in the geographic information system application program, and marking the ground feature and the landform of each house number.
In one embodiment, the interpolation method comprises newton interpolation.
Each module/unit in the apparatus shown in fig. 4 has a function of implementing each step in fig. 1, and can achieve the corresponding technical effect, and for brevity, the description is not repeated here.
Based on the determination method of the house number provided by the above embodiment, correspondingly, the application also provides a specific implementation manner of the electronic device. Please see the examples below.
Fig. 5 is a schematic hardware structure diagram of an electronic device according to an embodiment of the present application.
The electronic device may comprise a processor 501 and a memory 502 in which computer program instructions are stored.
Specifically, the processor 501 may include a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement the embodiments of the present Application.
In one example, the Memory 502 may be a Read Only Memory (ROM). In one example, the ROM may be mask programmed ROM, programmable ROM (prom), erasable prom (eprom), electrically erasable prom (eeprom), electrically rewritable ROM (earom), or flash memory, or a combination of two or more of these.
The memory 502 may include Read Only Memory (ROM), Random Access Memory (RAM), magnetic disk storage media devices, optical storage media devices, flash memory devices, electrical, optical, or other physical/tangible memory storage devices. Thus, in general, the memory includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software comprising computer-executable instructions and when the software is executed (e.g., by one or more processors), it is operable to perform operations described with reference to the methods according to an aspect of the present disclosure.
The processor 501 reads and executes the computer program instructions stored in the memory 502 to implement the methods/steps S101 to S103 in the embodiment shown in fig. 1, and achieve the corresponding technical effects achieved by the embodiment shown in fig. 1 executing the methods/steps thereof, which are not described herein again for brevity.
In one example, the electronic device can also include a communication interface 503 and a bus 510. As shown in fig. 5, the processor 501, the memory 502, and the communication interface 503 are connected via a bus 510 to complete communication therebetween.
The communication interface 503 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present application.
In addition, in combination with the determination method of the house number in the above embodiments, the embodiments of the present application may be implemented by providing a computer storage medium. The computer storage medium having computer program instructions stored thereon; the computer program instructions, when executed by a processor, implement a method of determining a house number as in any of the above embodiments.
To sum up, in the method, the apparatus, the device, and the computer storage medium for determining a house number according to the embodiments of the present application, coordinates of a target object and a first location are first obtained, where the first location includes a location that is located on the same street as the target object and where the house number is known; then, according to the coordinates of the target object and the first position, determining a first distance between the target object and the first position; determining the number of the target object according to the first distance and a preset interpolation function; the interpolation function is obtained according to the house numbers of N second places which are located on the same street with the target object and the house numbers of which are known, the house number of the first place, the second distance between the first place and the first place, and the second distance between the first place and each second place, so that the house number of the target object can be determined according to the distance between the target object and the first place and the corresponding relation between the distance between the known place and the first place in the interpolation function and the house number. Therefore, the method and the device can realize the query and determination of the house numbers of the whole number of places in the GIS platform based on the known small number of house number information.
It is to be understood that the present application is not limited to the particular arrangements and instrumentality described above and shown in the attached drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present application are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions or change the order between the steps after comprehending the spirit of the present application.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic Circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the present application are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this application describe some methods or systems based on a series of steps or devices. However, the present application is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
Aspects of the present disclosure are described above with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions/acts specified in the flowchart and/or block diagram block or blocks. Such a processor may be, but is not limited to, a general purpose processor, a special purpose processor, an application specific processor, or a field programmable logic circuit. It will also be understood that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware for performing the specified functions or acts, or combinations of special purpose hardware and computer instructions.
As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.
Claims (12)
1. A method of determining a house number, comprising:
acquiring coordinates of a target object and a first place, wherein the first place comprises a place which is located on the same street with the target object and has a known house number;
determining a first distance between the target object and the first location according to the coordinates of the target object and the first location;
determining the number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to house numbers of N second places which are located in the same street with the target object and have known house numbers, the house number of the first place and a second distance between the first place and each third place, the third places comprise the first place and the N second places, and N is a positive integer.
2. The method of claim 1, wherein the first place comprises a place where a largest house number or a smallest house number is located among all places where a house number is known in a street where the target object is located.
3. The method of claim 1, wherein prior to said obtaining coordinates of the target object and the first location, the method further comprises:
the known house numbers are grouped according to street names and single and double numbers, and the street names of all the house numbers in each group are the same and are all single numbers or both double numbers;
screening and deleting the wrong house numbers in each group, and marking the states of the wrong house numbers as deleted states;
the acquiring coordinates of the target object and the first location includes:
and acquiring the target object and the coordinates of the first place in the group corresponding to the street where the target object is located.
4. The method of claim 3, wherein the screening and deleting of the wrong house number in each group and the marking of the status of the wrong house number as a deleted status comprises:
sequencing all the house number in each group according to the sequence from big to small or from small to big;
determining whether the (i + 1) th and the (i + 2) th house number are correct or not according to the (i) th, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers in each group, wherein i is a positive integer;
under the condition that at least one of the (i + 1) th number and the (i + 2) th number is determined to be incorrect, determining that the wrong number is the (i + 1) th number and/or the (i + 2) th number according to the (i) th, the (i + 1) th, the (i + 3) th and the (i + 4) th numbers in each group and the (i + 2) th, the (i + 3) th and the (i + 4) th numbers in each group;
and under the condition that the (i + 1) th house number and/or the (i + 2) th house number are/is determined to be the wrong house number, deleting the wrong house number and marking the state of the wrong house number as a deleted state.
5. The method of claim 4, wherein said determining whether the i +1 th and i +2 th house number are both correct based on the i, i +1, i +2, and i +3 house number in each group comprises:
determining the places of the ith, the (i + 1) th, the (i + 2) th and the (i + 3) th house numbers;
judging whether a first included angle between the ith, the (i + 1) th and the (i + 2) th house number is within a preset range or not, judging whether a second included angle between the (i + 1) th, the (i + 2) th and the (i + 3) th house number is within the preset range or not, and determining that at least one of the (i + 1) th and the (i + 2) th house number is incorrect when at least one of the first included angle and the second included angle is not within the preset range.
6. The method of claim 4, wherein determining that the wrong house number is the i +1 th house number and/or the i +2 th house number from the i, i +1, i +3, and i +4 th house numbers in each group and the i, i +2, i +3, and i +4 th house numbers in each group comprises:
when the ith, the (i + 1) th, the (i + 3) th and the (i + 4) th house numbers in each group meet a first preset condition, and the ith, the (i + 2) th, the (i + 3) th and the (i + 4) th house numbers in each group do not meet a second preset condition, determining that the wrong house number is the (i + 2) th house number;
when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet the first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group meet the second preset condition, determining that the wrong house number is the (i + 1) th house number;
when the ith, the (i + 1), the (i + 3) th and the (i + 4) th house numbers in each group do not meet the first preset condition, and the ith, the (i + 2), the (i + 3) th and the (i + 4) th house numbers in each group do not meet the second preset condition, determining that the wrong house numbers are the (i + 1) th house number and the (i + 2) th house number;
the first preset condition includes: a third included angle between the ith and the (i + 1) th doorplate number and a place where the (i + 3) th doorplate number is located is within the preset range, and a fourth included angle between the (i + 1) th and the (i + 3) th doorplate number and a place where the (i + 4) th doorplate number is located is within the preset range;
the second preset condition includes: and a fifth included angle between the ith, the (i + 2) th and the (i + 3) th house number is in the preset range, and a sixth included angle between the (i + 2) th, the (i + 3) th and the (i + 4) th house number is in the preset range.
7. The method of claim 1, wherein determining the first distance between the target object and the first location based on the coordinates of the target object and the first location comprises:
determining M second positions between the target object and the first position according to the coordinates of the target object and the first position;
and accumulating and calculating the distances among the first place, the M second places and the adjacent places in the target object to obtain the first distance.
8. The method of claim 3, wherein after said sorting all house numbers in each group in order of big to small or small to big, the method further comprises:
dotting all house numbers in each group in the geographic information system application program;
acquiring the ground features and the landform information of a plurality of streets;
and associating the ground feature and landform information with the house numbers and places in the geographic information system application program, and marking the ground feature and the landform of each house number and place.
9. The method of claim 1, wherein the interpolation comprises newton interpolation.
10. A device for determining a number of a house, the device comprising:
the system comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring coordinates of a target object and a first place, and the first place comprises a place which is in the same street with the target object and has a known house number;
a first determining unit, configured to determine a first distance between the target object and the first location according to the coordinates of the target object and the first location;
the second determining unit is used for determining the house number of the target object according to the first distance and a preset interpolation function; the interpolation function is based on an interpolation method and is obtained according to house numbers of N second places which are located in the same street with the target object and have known house numbers, the house number of the first place and a second distance between the first place and each third place, the third places comprise the first place and the N second places, and N is a positive integer.
11. An electronic device, characterized in that the device comprises: processor, memory and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method of determining a house number according to any of claims 1 to 9.
12. A computer storage medium, characterized in that a computer program is stored on the computer readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method for determining a house number according to any one of claims 1 to 9.
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| CN202011143825.0A CN112256717B (en) | 2020-10-23 | 2020-10-23 | Method, device and equipment for determining house number and computer storage medium |
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| CN202011143825.0A CN112256717B (en) | 2020-10-23 | 2020-10-23 | Method, device and equipment for determining house number and computer storage medium |
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| CN202011143825.0A Active CN112256717B (en) | 2020-10-23 | 2020-10-23 | Method, device and equipment for determining house number and computer storage medium |
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