CN115423684A - Method and device for locally amplifying packed picture in rows by using RGB array and display - Google Patents
Method and device for locally amplifying packed picture in rows by using RGB array and display Download PDFInfo
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Abstract
The invention discloses a method and a device for locally amplifying column wrapped pictures by using RGB (red, green and blue) arrays, which are used for detecting an amplification request of a user in a screen S, taking the coordinate of an amplification point A in a column picture converted into the coordinate of an RGB three-dimensional array as the center of a circle, taking R as the radius and setting an RGB value extraction range F; extracting RGB three-dimensional data in an RGB value extraction range F from the RGB three-dimensional array, amplifying the RGB three-dimensional data X1 according to a preset amplification factor or a user-requested amplification factor, and drawing RGB values in the RGB three-dimensional array RGB array _1 in an amplification drawing board g in sequence; and rendering and amplifying the drawing board g for displaying. The invention solves the problem that the column data display is difficult to be amplified. Cross-column magnification may be achieved, and when a point in 1 column picture is selected as a magnification point a, magnification may be performed across to the content of the adjacent column.
Description
Technical Field
The invention relates to the technical field of security check judgment pictures, in particular to a method and a device for locally amplifying a column-packed picture by using an RGB array and a display.
Background
Under the centralized image judgment scene of security inspection, the whole system comprises: the system comprises an X-ray machine for scanning packages to form package X-ray pictures, an intelligent picture recognition box for obtaining the recognition result of contraband in the package X-ray pictures, and a client of a centralized picture judgment workstation.
At present, a client of a centralized image judging workstation displays a package X-ray image scanned and cut by an X-ray machine on a screen, so that a diagraph can further judge and mark contraband in the package X-ray image of the package. The picture information acquired by the screen each time is a parcel X-ray picture corresponding to a complete parcel. Such a method causes the following problems: 1. in order to save network bandwidth, the pictures are pulled by adopting URL transmission, and network loading consumption is caused during pulling, so that delay is caused; 2. the picture display mode is a static tiling mode, and a diagraph is easy to fatigue when performing long-time image interpretation, and risks of untimely image interpretation, missed interpretation, erroneous interpretation and the like are caused; 3. the image judging person is basically a security check operator, and since the scanning imaging video (from left to right or from right to left) of the X-ray machine is frequently observed before, the image judging person can adapt to a new image judging mode again after post adjustment and has training cost.
In order to solve the problems, a column data-based imaging method is created, a package X-ray picture is cut into a package picture after being cut by an intelligent image recognition box and identified by contraband, the package picture is cut into column data, the column data is sent to a client for judging the image, the image is formed at the client, and for the client, all the column data corresponding to one package picture need to be sequentially imaged on a screen S according to the sequence, so that the effect of simulating column-by-column scanning imaging is achieved. Generally, a set of column data corresponds to 1 column picture, which is equivalent to dividing a complete wrapped picture into a plurality of column pictures along the width.
If the above-mentioned column data imaging technology is adopted, for the requirement of magnifying viewing, for example, when a certain contraband needs to be magnified to be viewed to be determined, a magnifying function generally needs to be configured at the client. Generally, for a complete package picture, the existing technical means of pointing, extracting, amplifying and displaying can be directly used as the object is 1 picture. However, in the column data imaging technology, since a complete package picture is divided into a plurality of column data, and one column data is converted into one column picture for imaging display, when an amplification reference point is selected in any one column picture, the extraction, amplification and display technologies are adopted, the content of adjacent column pictures cannot be amplified, which may cause loss of an amplification area, and if adjacent content is to be amplified, a specific algorithm needs to be performed on the adjacent column pictures, which results in a large burden on system calculation overhead. Meanwhile, as the column data imaging technology is in a pseudo scanning mode, all column pictures can move column by column, so that the amplifying reference point is not locked well and needs to stop moving, and the movement is recovered after the amplification or the cancellation of the amplification.
In view of the above technical shortcomings, the present invention needs to find a method for enlarging the column data imaging technology.
Disclosure of Invention
The invention aims to provide a method and a device for locally amplifying an array wrapped picture by using an RGB array and a display. In order to solve the problems, the invention adopts a dynamic imitation scanning imaging technology by using column data. The technology is applied to a client of a centralized image judging workstation, when a dynamic imitation scanning imaging technology is carried out by using line data, a multi-dimensional array cache technology is utilized, the pixel value of a line picture of a wrapped picture is recorded in sequence and synchronously for calling during amplification, and therefore an amplification area spanning multiple lines can be obtained for amplification display.
The method for locally amplifying the column wrapped picture by using the RGB array comprises the following steps of:
D1. detecting an amplification request of a user in a screen S, and obtaining a coordinate of a requested amplification point A in a list picture;
D2. the coordinate of the amplification point A in the column picture is converted into the coordinate in the RGB three-dimensional array as the center of a circle, R is used as the radius, and the RGB value extraction range F is set;
D3. extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as RGB three-dimensional data X1;
D4. amplifying the RGB three-dimensional data X1 according to a preset amplification factor or an amplification factor requested by a user to obtain amplified RGB three-dimensional data X2, and copying the RGB value data X2 to obtain a new RGB three-dimensional array _1;
D5. drawing RGB values in the RGB three-dimensional array rgbArray _1 in the magnified drawing board g in sequence;
D6. and rendering and amplifying the drawing board g for displaying.
Specifically, the method further comprises the following steps:
C1. receiving the column data byte arrays corresponding to the column pictures of the 1X-ray wrapped pictures in sequence;
C2. the column data byte array is converted into column pictures and rendered and displayed in sequence in the screen S.
Specifically, the method further comprises the following steps:
A1. creating an RGB three-dimensional array with c as a default, and recording the elements in the blank RGB three-dimensional array as: rgbArray = int [ a ] [ b ] [ c ]; wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel.
A2. When the column data byte arrays corresponding to the column pictures of the 1X-ray wrapped picture are sequentially received, sequentially refreshing the RGB three-dimensional array with blank c according to the rule that the column data byte arrays are refreshed once when one column data byte array is received;
the process of refreshing the default RGB three-dimensional array of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of 1X-ray wrapped picture, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the column pictures corresponding to all previous column data byte arrays.
The pictures are listed and rendered in order in the screen S to be displayed at the edge of the screen S.
Specifically, the R is a system advance configuration parameter or an amplification request of a user, and the amplification factor is the system advance configuration parameter or the amplification request of the user.
Specifically, the coordinates include a position point in the width direction and a position point in the height direction.
On the other hand, the device for amplifying the column wrapped picture locally by using the RGB array,
a screen S;
a memory;
one or more processors; and
one or more modules stored in a memory and configured to be executed by the one or more processors, the one or more modules comprising:
a module for detecting the enlargement request of the user in the screen S and obtaining the coordinate of the enlargement request point A in the picture list;
a module for setting RGB value extraction range F by taking the coordinate of the amplification point A in the column picture as the circle center and R as the radius;
extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as a module of RGB three-dimensional data X1;
a module for amplifying the RGB three-dimensional data X1 according to a preset amplification factor or a user requested amplification factor to obtain amplified RGB three-dimensional data X2, and copying the RGB value data X2 to obtain a new RGB three-dimensional array _1;
a module for drawing RGB values in the RGB three-dimensional array rgbArray _1 in the magnified drawing board g in sequence;
and a module for displaying the rendering and amplifying drawing board g.
Specifically, the one or more modules further include:
a module for receiving the column data byte arrays corresponding to the column pictures of the 1X-ray package pictures in sequence;
and a module for converting the column data byte array into column pictures and rendering and displaying the column pictures in sequence in the screen S.
Specifically, the one or more modules further include:
A1. creating a module with c as a default RGB three-dimensional array, wherein elements in the blank RGB three-dimensional array are recorded as: rgbArray = int [ a ] [ b ] [ c ]; wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel.
A2. A module for sequentially refreshing the RGB three-dimensional array with blank c according to the rule that the row data byte array corresponding to the row picture of 1X-ray wrapped picture is refreshed once when the row data byte array is received in sequence;
the process of refreshing the RGB three-dimensional array with the default value of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of the 1X-ray wrapped pictures, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the columns of pictures corresponding to all previous column data byte arrays. The positions in the width direction are represented by a and a ', so that the essence of a' + ZW = [ a ] is a width-complementing corresponding relationship, that is, the total width of the written column pictures is recorded, then the corresponding positions in the width direction are inquired after the width-complementing calculation is performed, and finally, after the width position is found, the RGB value is written.
On the other hand, the display for locally amplifying the column-wrapped picture is formed by RGB arrays, and the display at least comprises the following picture states;
the first picture state: rendering and displaying the column pictures of one parcel picture on a screen S in sequence;
the second picture state: after a user triggers a magnification request on a list picture in the screen S, a magnification board g appears in the screen S.
The design principle of the invention is as follows: in the invention, an RGB three-dimensional array can be created for 1 parcel picture, and the RGB three-dimensional array is temporary cache data. The RGB three-dimensional array is generally created when the first column picture of one parcel picture appears, and is created again after the first column picture of the next parcel picture appears, and an RGB three-dimensional array having the same width and height position range as the screen s may also be created, in short, 1 RGB three-dimensional array having a width and height position range at least greater than 1 column picture range is created. The RGB three-dimensional array is used for recording RGB values in a new column picture at any time for calling during amplification.
In the method, when the column data is imported into the screen S, the column data (binary system) is converted into the column pictures and the column pictures are rendered and displayed, in the process, the RGB three-dimensional array is refreshed synchronously based on the RGB value of the current column data, a user cannot see the RGB three-dimensional array, and only one dynamic column picture can be seen to enter the screen S in sequence. It should be particularly emphasized that, in the present invention, since 1 column datum corresponds to 1 independent column picture, after the column picture is resolved into the column pictures, the first row and the first pixel point of each column picture are all restarted from (0, 0); therefore, after a user selects the amplification point A on a certain column picture, the corresponding amplification range cannot extend into the adjacent column pictures, in order to realize cross-column amplification, the RGB three-dimensional array capable of containing the RGB values of the plurality of column pictures is created, the RGB three-dimensional array is refreshed in the sequence of column data entry, and a group of new RGB values is introduced and is continuous after the RGB three-dimensional array is refreshed once. The refresh process actually enables the RGB values of the column pictures of different columns to be recorded in a complete sequential array, in which no array disconnection occurs. In order to record the RGB values of different column pictures in a complete sequence array, the invention writes in the column pictures of the second column and the column pictures after the second column according to the complementary width corresponding relation.
In the refreshing process of the RGB three-dimensional array, the amplification request can be responded at any time, and the waiting for the column pictures to form a complete wrapped picture is not needed.
When a user triggers an amplification request, the system captures an amplification point A of the user on a screen S, the amplification point A is mapped on a column picture to obtain a coordinate of the amplification point in the column picture, and meanwhile, the coordinate corresponding to an RGB three-dimensional array is found out by using the coordinate. Therefore, the extraction range F can be directly mapped into the RGB three-dimensional array, and then extracted, enlarged, written into the enlarged drawing board g, and displayed. The magnifying drawing board g can move freely and is not limited by the magnifying point A, because when the magnifying point A is calibrated, the coordinate position is locked by the system, the subsequent extraction, magnification and display do not depend on the column pictures but depend on the RGB three-dimensional array, and the RGB three-dimensional array can simultaneously contain the entered image data crossing multiple columns (the entered column pictures can not be obtained), so the invention can realize the cross-column magnification and the locking magnification, and does not need to add a complex operation method due to the movement of the column pictures.
The invention has the beneficial effects that:
1. the problem that column data display is difficult to amplify is solved.
2. In the amplification process, the column data normally enters, the column pictures still enter in sequence, and the column pictures do not need to stop entering.
3. Cross-column magnification may be implemented, and when a point in 1 column picture is selected as a magnification point a, magnification may be performed across to the content of the adjacent column.
4. The magnifying window, i.e. the magnifying palette g, is not constrained by the position of the magnifying point a, and can move freely.
Drawings
Fig. 1 is a prior art technique in which all parcel pictures are imaged column by column using column pictures.
Fig. 2 is a schematic view of a processing flow of the present invention in which a current parcel picture is imaged column by column using a column picture and a previous parcel picture is imaged by a drawing board picture.
Fig. 3 is a schematic diagram of imaging when the invention receives the first column of pictures.
FIG. 4 is a schematic diagram of the imaging of the invention when receiving the tail picture.
FIG. 5 is a schematic diagram of the present invention in a top view of the screen.
Fig. 6 is a schematic diagram of a parcel picture.
Fig. 7 is a schematic diagram of a package picture with a contraband identification frame pixel value superimposed on a drawing board.
FIG. 8 is a flow chart illustrating a method for locally magnifying a column wrapped picture using RGB array.
Fig. 9 is a diagram of the effect of partially enlarging the column wrapped picture by the RGB array.
FIG. 10 is a RGB three-dimensional array of default c.
Fig. 11 is RGB three-dimensional data of the column picture 1.
Fig. 12 is RGB three-dimensional data of the column picture 2.
FIG. 13 shows a first refresh of the RGB three-dimensional array.
FIG. 14 shows a first refresh of an RGB three-dimensional array.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
As shown in fig. 8-14.
The method for locally amplifying the column wrapped picture by using the RGB array comprises the following steps of:
D1. detecting an amplification request of a user in a screen S, and obtaining a coordinate of a requested amplification point A in a list picture;
D2. setting an RGB value extraction range F by taking the coordinate of the amplification point A in the column picture converted into the coordinate in the RGB three-dimensional array as the center of a circle and taking R as the radius;
D3. extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as RGB three-dimensional data X1;
D4. amplifying the RGB three-dimensional data X1 according to a preset amplification factor or an amplification factor requested by a user to obtain amplified RGB three-dimensional data X2, and copying the RGB value data X2 to obtain a new RGB three-dimensional array _1;
D5. drawing RGB values in the RGB three-dimensional array rgbArray _1 in the enlarged drawing board g in sequence;
D6. and rendering and amplifying the drawing board g for displaying.
Specifically, the method further comprises the following steps:
C1. receiving the column data byte arrays corresponding to the column pictures of the 1X-ray package pictures in sequence;
C2. the column data byte array is converted into column pictures and rendered and displayed in sequence in the screen S.
Specifically, the method further comprises the following steps:
A1. as shown in fig. 10, a RGB three-dimensional array with c as default is created, and the elements in the blank RGB three-dimensional array are recorded as: rgbArray = int [ a ]][b][c](ii) a Wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel. Taking fig. 10 as an example, the elements in the first row and the first column are: [ a ] A]＝0[b]＝0[c]＝C (Default). And so on.
A2. As shown in fig. 10 and 11, the column picture 1 corresponding to the first column data byte array and the column picture 2 corresponding to the second column data byte array belong to 1X-ray wrapped picture, and when the column data byte arrays corresponding to the column pictures of 1X-ray wrapped picture are sequentially received, the RGB three-dimensional array c which is blank is sequentially refreshed according to a rule that every row data byte array is refreshed after one column data byte array is received;
the process of refreshing the default RGB three-dimensional array of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of the 1X-ray wrapped pictures, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the columns of pictures corresponding to all previous column data byte arrays.
As shown in fig. 9-fig. 14, when the RGB three-dimensional array is refreshed for the first time, the RGB values are directly written according to the same positional relationship, wherein when the RGB three-dimensional array is refreshed for the second time, since the width of the column picture 1 is 4, that is, when the total width ZW of the column pictures corresponding to all the column data byte arrays before the column data byte array is 4, according to the above relationship, in the RGB three-dimensional data of the input second column data byte array, a ' =0 of the first pixel point of the first row in the RGB three-dimensional data of the column picture 2, then a ' + ZW =4, and therefore the position of [ a ] =4 in the RGB three-dimensional data is marked as the position where the current pixel point needs to be inserted, the first pixel point c ' of the first row is inserted into the point of [ a ] =4, and so on the other hand, the second refresh is completed, and fig. 14 is obtained. It can be seen that the refreshed RGB three-dimensional data is continuous and contains image information of 2 columns of pictures. And the cross-column access can be realized by any point in the RGB three-dimensional data, and the amplification operation is executed.
The pictures are listed and rendered in order in the screen S to be displayed at the edge of the screen S.
Specifically, the R is a system configuration parameter in advance or an amplification request of a user, and the amplification factor is the system configuration parameter in advance or the amplification request of the user.
Specifically, the coordinates include a position point in the width direction and a position point in the height direction.
On the other hand, the device for amplifying the column wrapped picture locally by using the RGB array,
a screen S;
a memory;
one or more processors; and
one or more modules stored in a memory and configured to be executed by the one or more processors, the one or more modules comprising:
a module for detecting the enlargement request of the user in the screen S and obtaining the coordinate of the enlargement request point A in the picture list;
a module for setting RGB value extraction range F by taking the coordinate of the amplification point A in the column picture as the circle center and R as the radius;
extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as RGB three-dimensional data X1;
a module for amplifying the RGB three-dimensional data X1 according to a preset amplification factor or an amplification factor requested by a user to obtain amplified RGB three-dimensional data X2, and copying the RGB value data X2 to obtain a new RGB three-dimensional array RGbArray _1;
a module for drawing RGB values in the RGB three-dimensional array rgbArray _1 in the magnified drawing board g in sequence;
and a module for displaying the rendering and amplifying drawing board g.
Specifically, the one or more modules further include:
a module for receiving the column data byte arrays corresponding to the column pictures of the 1X-ray wrapped pictures in sequence;
and a module for converting the column data byte array into column pictures and rendering and displaying the column pictures in the screen S in sequence.
Specifically, the one or more modules further include:
A1. creating a module with c as a default RGB three-dimensional array, wherein elements in the blank RGB three-dimensional array are recorded as: rgbArray = int [ a ] [ b ] [ c ]; wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel.
A2. A module for sequentially refreshing the RGB three-dimensional array with blank c according to the rule that the row data byte array corresponding to the row picture of 1X-ray wrapped picture is refreshed once when the row data byte array is received in sequence;
the process of refreshing the RGB three-dimensional array with the default value of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of 1X-ray wrapped picture, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the column pictures corresponding to all previous column data byte arrays. The positions in the width direction are represented by a and a ', so that the essence of a' + ZW = [ a ] is a width-complementing corresponding relationship, that is, the total width of the written column pictures is recorded, then the corresponding positions in the width direction are inquired after the width-complementing calculation is performed, and finally, after the width position is found, the RGB value is written.
On the other hand, the display for locally amplifying the column-wrapped picture is formed by RGB arrays, and the display at least comprises the following picture states;
the first picture state: rendering and displaying the column pictures of one parcel picture on a screen S in sequence;
the second picture state: after a user triggers an amplification request on a list picture in the screen S, an amplification drawing board g appears in the screen S.
The design principle of the invention is as follows: in the invention, an RGB three-dimensional array can be created for 1 parcel picture, and the RGB three-dimensional array is temporary cache data. The RGB three-dimensional array is generally created when the first column picture of one parcel picture appears, and is created again after the first column picture of the next parcel picture appears, and an RGB three-dimensional array having the same width and height position range as the screen s may also be created, in short, 1 RGB three-dimensional array having a width and height position range at least greater than 1 column picture range is created. The RGB three-dimensional array is used for recording RGB values in a new column picture at any time for calling during amplification.
In the method, when the column data is imported into the screen S, the column data (binary system) is converted into the column pictures and the column pictures are rendered and displayed, in the process, the RGB three-dimensional array is refreshed synchronously based on the RGB value of the current column data, a user cannot see the RGB three-dimensional array, and only one dynamic column picture can be seen to enter the screen S in sequence. It should be particularly emphasized that, in the present invention, since 1 column datum corresponds to 1 independent column picture, after the column picture is resolved into the column pictures, the first row and the first pixel point of each column picture are all restarted from (0, 0); therefore, after a user selects the amplification point A on a certain column picture, the corresponding amplification range cannot extend into the adjacent column pictures, in order to realize cross-column amplification, the RGB three-dimensional array capable of containing the RGB values of the plurality of column pictures is created, the RGB three-dimensional array is refreshed according to the column data entering sequence, and a group of new RGB values is introduced and is continuous after refreshing once. The refresh process actually enables the RGB values of the column pictures of different columns to be recorded in a complete sequential array, in which no array disconnection occurs. In order to record the RGB values of different column pictures in a complete sequence array, the invention writes in the column pictures of the second column and the column pictures after the second column according to the complementary width corresponding relation.
In the refreshing process of the RGB three-dimensional array, the amplification request can be responded at any time, and the waiting for the column pictures to form a complete wrapped picture is not needed.
When a user triggers an amplification request, the system captures an amplification point A of the user on a screen S, the amplification point A is mapped on a column picture, coordinates of the amplification point in the column picture are obtained, meanwhile, coordinates corresponding to an RGB three-dimensional array are found according to the coordinates, at the moment, an extraction range F is established by taking the coordinates as a reference, and RGB values of the column picture are continuously repeatedly engraved into the RGB three-dimensional array. Therefore, the extraction range F can be directly mapped into the RGB three-dimensional array, and then extracted, enlarged, written into the enlarged drawing board g, and displayed. The amplifying drawing board g can move freely and is not limited by the amplifying point A, because when the amplifying point A is calibrated, the coordinate position is locked by the system, the subsequent extraction, amplification and display do not depend on column pictures but depend on an RGB three-dimensional array, and the RGB three-dimensional array can simultaneously contain entered image data crossing multiple columns (the entered column pictures cannot be obtained), so the invention can realize the cross-column amplification and the locking amplification, and does not need to add a complex operation method due to the movement of the column pictures.
The invention has the beneficial effects that:
1. the problem that column data display is difficult to amplify is solved.
2. In the amplification process, the column data normally enters, the column pictures still enter in sequence, and the column pictures do not need to stop entering.
3. Cross-column magnification may be implemented, and when a point in 1 column picture is selected as a magnification point a, magnification may be performed across to the content of the adjacent column.
4. The magnifying window, i.e. the magnifying palette g, is not constrained by the position of the magnifying point a, and can move freely.
The following are specifically mentioned:
application scenario 1 of the present invention:
as shown in fig. 1, fig. 1 shows that all the parcel pictures are divided into multiple columns of data, and then all the columns of pictures are imaged in sequence on the screen S, and the columns of pictures of the previous parcel picture do not disappear and still are imaged on the screen S.
The above-described zooming method of the present invention can also be applied to the full-column picture imaging scene shown in fig. 1. The RGB three-dimensional array is required to be created and is equal to the screen S, and the RGB three-dimensional array is refreshed simultaneously and sequentially according to the first-in first-out principle, namely in the scene, the RGB three-dimensional array can be divided without packages, the RGB three-dimensional array comprises a plurality of packages, the RGB three-dimensional array can also be divided according to the packages, 1 RGB three-dimensional array corresponds to 1 package, and the local amplification operation of the invention is not influenced in any mode. The invention can extract and amplify data based on the RGB three-dimensional array based on the corresponding relation of the RGB three-dimensional array containing a plurality of columns of pictures, and creates an independent amplifying drawing board which is used as an amplifying window.
Application scenario 2 of the present invention:
as shown in fig. 2 to 7, the present invention is also independent of the above scenario 1, and provides an imaging method in which a current parcel picture is imaged column by column using column pictures, and a previous parcel picture is imaged using drawing board pictures, because in this method, 1 corresponding drawing board g is created under the condition of 1 parcel, this drawing board g only corresponds to 1 parcel. Therefore, the method can be suitable for amplifying all the column pictures under the current package, and performs amplification operation based on the RGB three-dimensional array corresponding to the package.
Specifically, the imaging method for imaging the current parcel picture by adopting column pictures column by column and imaging the previous parcel picture by adopting a drawing board picture comprises the following steps of:
s1, sequentially obtaining 1 current column data byte group corresponding to one parcel picture;
s2, converting 1 current column data byte group into 1 current column picture;
s3, judging whether the current column picture is the first column picture of a wrapping picture, if so, turning to S4, S5 and S6, and if not, turning to S5 and S7;
s4, creating a drawing board g in a hidden state;
s5, drawing the pixel values of the current column of pictures into a drawing board g;
s6, rendering and displaying all the drawing board pictures in front of the current row of pictures after moving across the width of one row of pictures, wherein the current row of pictures are rendered and displayed along the edge of the screen S;
s7, judging whether the current column picture is a tail column picture of a wrapped picture, if so, turning to S9, and if not, turning to S8;
s8, rendering and displaying all the drawing board pictures and all the column pictures in front of the current column picture after moving across the width of one column picture, and rendering and displaying the current column picture along the edge of the screen S;
s9, converting the drawing board g into a current drawing board picture g, deleting all column pictures, and converting to S10;
and S10, rendering and displaying all the drawing board pictures in front of the current row of pictures after moving across the width of the row of pictures, and rendering and displaying the current drawing board picture g along the edge of the screen S.
As shown in fig. 6, the package image is 1 package image (a row package image or a row package image), a package image does not have a contraband identification frame, the package image is obtained by processing and dividing by an intelligent image recognition box, identification information of the contraband (including a name of the contraband and coordinate information of the identification frame) is obtained after identification, the intelligent image recognition box cuts the package image into a plurality of column data byte groups at this time, the column data byte groups are binary, and the column data byte groups are simply referred to as column data, and are generally used for convenient transmission.
As shown in fig. 1, if a plurality of column data corresponding to each parcel picture are transmitted to the imaging terminal, and the imaging terminal performs imaging display column by column, in addition to displaying the column picture corresponding to the current parcel picture, the column picture corresponding to the previous parcel picture is also rendered and displayed after being shifted. That is, when the client receives the column data of the package, the column data is usually directly converted into a picture and directly rendered in the package picture display area of the client, and how many columns of data pictures are rendered according to how many columns of data. This practice causes the following problems:
1. when too many packages are wrapped in the picture, too many pictures are displayed, for example: assuming that there are 10 packets, 20 columns of each packet, and a top view angle and a side view angle, respectively, there are 10 × 20 × 2=400 pictures rendered in total, so that 400 pictures are rendered for each step of display at the client, and when there are more columns of data to be received, 400 pictures are moved at the same time, which is very costly to the client.
2. When the contraband identification frame coordinate of the intelligent identification picture is received, the position of the contraband identification frame coordinate needs to be calculated according to the pixel points of the picture, if the contraband identification frame coordinate needs to be calculated according to the column data, the process is very complex, and the relative position of the contraband frame and the column data picture needs to be recalculated every time the package moves.
Aiming at the problems, the invention provides a concept of canvas synchronization, a received column picture is taken, the RGB value of each pixel point is taken, the RGB value (pixel value) is drawn on the drawing board according to the same position, for 1 parcel, after the complete parcel is received, the column picture is not displayed, and the data of the drawing board is converted into the drawing board picture to be rendered and imaged on a client. This saves a lot of picture rendering performance.
As shown in fig. 3 and fig. 4, or the above example, in the present invention, the first 9 packages all form the corresponding drawing board pictures g1 and g2 \8230, for the current package, if the current column picture is the first column picture, the current column picture and the first 9 drawing board pictures are rendered and imaged, that is, (9 + 1) = 2=20 pictures, if the current column picture is not the first column picture and is not the last column picture, that is, the middle column picture, the previous column picture, the current column picture and the first 9 drawing board pictures are rendered and imaged, that is, (9 +1+ (1 or 2 or \8230; 18)) + 2, if the current column picture is the last column picture, all the column pictures are deleted, the first 9 drawing board pictures and the current drawing board picture are rendered and imaged, that is, (9 + 1) =2 pictures, and then only 20 pictures are displayed on the client and moved. And when the frame is drawn, the coordinates of the contraband identification are calculated according to the width and the height of the drawing board, and the drawing is directly carried out on the drawing board.
The manner of determining the first-column pictures and the last-column pictures is conventional technology, and is not described herein again.
As shown in fig. 3, the picture in the screen S is moved from right to left, after the column data corresponding to the current parcel enters, the column picture 1 is formed, and after determining that it is the first column picture, the drawing board picture corresponding to the previous parcel is rendered, at the same time, the column picture 1 is rendered and displayed on the rightmost side of the screen S, and the pixel value of the column picture 1 is drawn into the drawing board g in the hidden state, and before no column picture is determined as the last column picture, the drawing board g is used as 1 drawing board container corresponding to the current parcel, and is initialized on the right side of the screen similarly, and is also moved horizontally synchronously.
As shown in fig. 4, after the column data corresponding to the current parcel enters, a column picture 3 is formed, since the column picture 3 is determined not to be the first column picture, the pixel value is written into the drawing board g, and meanwhile, after the column picture 3 is determined to be the last column, the column pictures 1, 2, and 3 corresponding to the current parcel are all deleted, at this time, the drawing board g is converted into the drawing board picture g and rendered together with the previous drawing board picture. In the invention, the drawing board has three states, wherein the drawing board is created to be in a state of filling the first column of picture pixels but being hidden, is filled with a plurality of column picture pixels but being hidden, and is in a state of being rendered and displayed after the pixels of all the column pictures of the current package are filled to form a new picture.
Further, when the drawing board g is converted into the current drawing board picture g, the widths of the current column pictures and all the column pictures are read and summed to obtain a cutting width, a new drawing board g is obtained according to the cutting width, and the new drawing board g is converted into the current drawing board picture g. The process further defines the boundaries of the final sketchpad picture g, the width of one sketchpad picture g is the same as the width of 1 wrapped picture, but it is determined based on the sum of the widths of all column pictures corresponding to one wrap. The merged re-imaging of all columns of a parcel on the display terminal side is achieved, but the dynamic nature of the imaging is preserved.
Further, the method for locally magnifying a column wrapped picture by using an RGB array according to claim 1, wherein the current drawing board picture includes pixel values of a first column picture, a column picture between the first column picture and a last column picture, and a last column picture; each drawing board picture before the current list of pictures corresponds to a parcel picture, and the parcel picture is a parcel X-ray picture with a complete outline.
Further, before the drawing board g is converted into a drawing board picture, the method further comprises the following steps:
s01, acquiring coordinate information of a contraband identification frame corresponding to a package picture;
s02, drawing a corresponding contraband identification frame in a drawing board g according to coordinate information of the contraband identification frame, finding angular points in the drawing board g according to the corresponding relation between coordinates and pixel coordinates, wherein the angular points generally comprise 2 angular points at the upper left and the lower right, forming a frame line based on the 2 angular points, and converting pixel points passed by the frame line into line frame pixels.
Furthermore, the current column of pictures is pictures with fixed height, h and aspect ratio; the drawing board g is a drawing board with a fixed height and a width of h and a width of a screen S; the h is the same height as the screen S. Because one parcel picture may come from different X-ray machines, in order to unify the picture size, h is taken according to the height fixation, the aspect ratio is kept to form the current list of pictures, and the proportional relation is used for subsequent calculation after being kept.
Further, the edge of the screen S refers to a side away from the overall traversing direction, for example, if the overall traversing direction is leftward, the edge of the screen S refers to the rightmost side, and if the overall traversing direction is rightward, the edge of the screen S refers to the leftmost side.
Furthermore, the 1 current column data byte group corresponding to one parcel picture and the contraband identification frame coordinate information corresponding to one parcel picture are both from the intelligent picture recognition box.
As shown in fig. 1 to 7, an apparatus for imaging a current parcel picture column by column using column pictures and imaging a previous parcel picture using palette pictures includes:
a screen S;
a memory;
one or more processors; and
one or more modules stored in a memory and configured to be executed by the one or more processors, the one or more modules comprising:
a module for sequentially acquiring 1 current column data byte group corresponding to a parcel picture;
a module for converting 1 current column data byte group into 1 current column picture;
a module for judging whether the current column of pictures is the first column of pictures of a parcel picture;
when the current picture is the first picture, a module of a drawing board g in a hidden state is created;
when the current column of pictures is the first column of pictures, the pixel values of the current column of pictures are drawn into a module of a drawing board g;
when the current picture is the first picture, rendering and displaying all the drawing board pictures in front of the current picture after moving across a width of the first picture, and rendering and displaying the current picture along the edge of the screen S;
when the current column of pictures is not the first column of pictures, drawing the pixel values of the current column of pictures into a module of a drawing board g;
a module for judging whether the current column of pictures is a tail column of pictures of a wrapped picture;
a module for rendering and displaying all drawing board pictures and all column pictures before the current column picture after moving across a column picture width when the current column picture is not the first column picture and not the last column picture, and rendering and displaying the current column picture along the edge of the screen S;
when the current picture is the tail picture, the drawing board g is converted into the current drawing board picture g, all the modules of the picture columns are deleted,
and when the current picture is a tail picture, rendering and displaying all the drawing board pictures in front of the current picture after moving across a width of one picture, and rendering and displaying the current drawing board picture g along the edge of the screen S.
Preferably, the one or more modules further comprise:
a module for acquiring coordinate information of a contraband identification frame corresponding to a parcel picture;
when the current list of pictures is the tail list of pictures, drawing a module of a corresponding contraband identification frame in the drawing board g according to the coordinate information of the contraband identification frame.
As shown in fig. 1-7, the display device is used for imaging the current parcel picture column by using column pictures and imaging the previous parcel picture by using drawing board pictures, and the display device at least comprises the following picture states;
the first picture state: rendering and displaying all the drawing board pictures in front of the current row of pictures after moving across the width of one row of pictures, and rendering and displaying the current row of pictures along the edge of the screen S;
the second picture state: rendering and displaying all drawing board pictures and all column pictures before the current column picture after integrally traversing one column picture width, and rendering and displaying the current column picture along the edge of the screen S;
the third picture state: rendering and displaying all the drawing board pictures in front of the current row of pictures after the drawing board pictures integrally move across the width of one row of pictures, and rendering and displaying the current drawing board pictures along the edge of the screen S;
each drawing board picture before the current list of pictures corresponds to a wrapping picture, and the wrapping picture is a wrapping X-ray picture with a complete outline; the current drawing board picture comprises a first column of pictures, columns of pictures between the first column of pictures and a last column of pictures, and pixel values of the last column of pictures.
The above-described enlarging method of the present invention is performed in parallel with the above-described imaging method.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the invention/inventions, which are not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. The method for locally amplifying the column-packed picture by using the RGB array is characterized by comprising the following steps of:
D1. detecting an amplification request of a user in a screen S, and obtaining a coordinate of a requested amplification point A in a list picture;
D2. the coordinate of the amplification point A in the column picture is converted into the coordinate in the RGB three-dimensional array as the center of a circle, R is used as the radius, and the RGB value extraction range F is set;
D3. extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as RGB three-dimensional data X1;
D4. amplifying the RGB three-dimensional data X1 according to a preset amplification factor or a user requested amplification factor to obtain amplified RGB three-dimensional data X2, and copying RGB value data X2 to obtain a new RGB three-dimensional array RGbarray _1;
D5. drawing RGB values in the RGB three-dimensional array rgbArray _1 in the enlarged drawing board g in sequence;
D6. and rendering and amplifying the drawing board g for displaying.
2. The method for locally magnifying a column wrapped picture by an RGB array as claimed in claim 1, further comprising the steps of:
C1. receiving the column data byte arrays corresponding to the column pictures of the 1X-ray package pictures in sequence;
C2. and converting the column data byte array into column pictures and rendering and displaying the column pictures in the screen S in sequence.
3. The method for locally magnifying a column wrapped picture by an RGB array as claimed in claim 1, further comprising the steps of:
A1. creating an RGB three-dimensional array with c as a default, and recording the elements in the blank RGB three-dimensional array as: rgbArray = int [ a ] [ b ] [ c ]; wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel.
A2. When the row data byte arrays corresponding to the row pictures of the 1X-ray wrapped picture are received in sequence, sequentially refreshing the RGB three-dimensional array with blank c according to the rule that the row data byte array is refreshed once when a group of row data byte arrays are received;
the process of refreshing the RGB three-dimensional array with the default value of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of the 1X-ray wrapped pictures, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the columns of pictures corresponding to all previous column data byte arrays.
4. The method of claim 2, wherein the column pictures are rendered and displayed in sequence in the screen S at the edge of the screen S.
5. The method for locally magnifying the column-wrapped picture according to the RGB array of claim 1, wherein R is a system pre-configuration parameter or a user's magnifying request, and the magnification is a system pre-configuration parameter or a user's magnifying request.
6. The method of claim 1, wherein the coordinates include a width-wise location and a height-wise location.
7. With RGB array to the local device that enlargies of row parcel picture, its characterized in that:
a screen S;
a memory;
one or more processors; and
one or more modules stored in a memory and configured to be executed by the one or more processors, the one or more modules comprising:
a module for detecting the enlargement request of the user in the screen S and obtaining the coordinate of the enlargement request point A in the picture list;
a module for setting RGB value extraction range F by taking the coordinate of the amplification point A in the column picture as the circle center and R as the radius;
extracting RGB three-dimensional data in the RGB value extraction range F from the RGB three-dimensional array, and recording the RGB three-dimensional data as RGB three-dimensional data X1;
a module for amplifying the RGB three-dimensional data X1 according to a preset amplification factor or an amplification factor requested by a user to obtain amplified RGB three-dimensional data X2, and copying the RGB value data X2 to obtain a new RGB three-dimensional array RGbArray _1;
a module for drawing RGB values in the RGB three-dimensional array rgbArray _1 in the enlarged drawing board g in sequence;
and a module for displaying the rendering and amplifying drawing board g.
8. The apparatus according to claim 7, wherein the apparatus for locally magnifying column-wrapped pictures by RGB array comprises:
the one or more modules further comprise:
a module for receiving the column data byte arrays corresponding to the column pictures of the 1X-ray package pictures in sequence;
and a module for converting the column data byte array into column pictures and rendering and displaying the column pictures in the screen S in sequence.
9. The apparatus according to claim 7, wherein the apparatus for locally magnifying column-wrapped pictures by RGB array comprises: the one or more modules further comprise:
A1. creating a module with c as a default RGB three-dimensional array, wherein elements in the blank RGB three-dimensional array are recorded as: rgbArray = int [ a ] [ b ] [ c ]; wherein, a is a position point of a pixel point in the width direction; b is a position point in the height direction of one pixel point; c represents the RGB value of a pixel, and one element represents a pixel.
A2. A module for sequentially refreshing a blank RGB three-dimensional array according to a rule that a column data byte array is refreshed once every time when the column data byte array corresponding to the column picture of 1X-ray package picture is received in sequence;
the process of refreshing the RGB three-dimensional array with the default value of c is as follows: traversing the column data byte array, and calculating RGB three-dimensional data of each pixel point of the corresponding column picture in the column data byte array, wherein the RGB three-dimensional data comprises: a ', b', c ', a' are the width-direction sites of one pixel point; b' is a position point in the height direction of one pixel point; c 'is expressed as an RGB value of a pixel point, and c' is written into the rgbArray to refresh [ c ];
if the column data byte array is the first column of 1X-ray wrapped picture, directly writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' = [ a ] and b ' = [ b ];
if the column data byte array is the column behind the first column of 1X-ray wrapped picture, writing c ' into c corresponding to [ a ] [ b ] according to the corresponding relation of a ' + ZW = [ a ] and b ' = [ b ], wherein ZW is the total width of the column pictures corresponding to all previous column data byte arrays.
10. Display with local enlargeing of RGB array to row parcel picture, its characterized in that: the display comprises at least the following picture states;
the first picture state: rendering and displaying the column pictures of one parcel picture on a screen S in sequence;
the second picture state: after a user triggers a magnification request on a list picture in the screen S, a magnification board g appears in the screen S.
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