CN115546075A - Method and device for dynamically enhancing display based on column data labeling area - Google Patents
Method and device for dynamically enhancing display based on column data labeling area Download PDFInfo
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- G06—COMPUTING OR CALCULATING; COUNTING
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- G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
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Abstract
The invention relates to the technical field of security check display, in particular to a method and a device for dynamically enhancing display based on a column data labeling area. The invention realizes the butt joint among the column data, the enhanced data and the imaging data by utilizing the container idea, and realizes the local enhanced display with higher degree of freedom in the column data imaging process. The method comprises the following steps: sequentially carrying out enhancement calculation on pixels of the original line data L to obtain enhanced pixel data, and drawing the enhanced pixel data into a temporary canvas g; receiving a manual selection frame a in a column imaging rendering display area or a marking frame a in a graph recognition result; converting the manual selection frame a or the marking frame a into the canvas g to obtain a selection frame a ', wherein the coordinate system of the manual selection frame a or the marking frame a and the coordinate system of the original column data L are the same coordinate system, and the coordinate system of the selection frame a' and the coordinate system of the canvas g are the same coordinate system; and extracting the enhanced pixel data in the selected box a' from the canvas g for imaging rendering display.
Description
Technical Field
The invention relates to the technical field of security check display, in particular to a method and a device for dynamically enhancing display based on a column data labeling area.
Background
Under the scene of parcel safety inspection, in order to practice thrift the human cost, generally be provided with centralized image judging system, centralized image judging system generally includes: x-ray scanning safety inspection equipment, recognition picture equipment, propelling movement equipment, long-range picture workstation of judging, the effect of these equipment is respectively: the system comprises X-ray scanning security check equipment, a column data generating device and a display device, wherein the X-ray scanning security check equipment is used for carrying out X-ray scanning on packages moving inside, and column data corresponding to one package is generated every time the packages are scanned, and the column data generating device can be called as the column data generating device; the image recognition device carries out contraband recognition on a parcel image to generate an image recognition result, and the image recognition result generally comprises: a text representing a label box and a contraband name of the contraband area; the pushing device is in butt joint with the X-ray scanning security inspection devices, the image recognition devices and the remote image judgment workstation, and is used for sending column data and image recognition results generated by the X-ray scanning security inspection devices and the image recognition devices to the remote image judgment workstation, and the remote image judgment workstation executes column imaging rendering display and image recognition result imaging rendering display.
In the prior art, since the scanning frame of the X-ray scanning security inspection apparatus is an X-ray image, in order to effectively distinguish the contents in the image, an enhancement function (such as operations of organic matter removal, inorganic matter removal, black and white image, image super enhancement, penetration enhancement, variable multi-energy, gray scanning, edge enhancement, etc.) may be generally provided. The general processing mode is as follows: synthesizing the column data corresponding to the 1 parcel into 1 parcel picture, wherein the parcel picture can be called as a ray original image, storing the ray original image, and waiting for the call of a third party. Generally, a third party can send an enhancement request to the X-ray scanning security check equipment, after receiving the request, the X-ray scanning security check equipment locally downloads the original ray image, then locally starts an enhancement mode to calculate an enhancement picture, and then returns the enhancement picture to the third party, so that the third party can obtain the enhancement picture and display the enhancement picture at the third party. The third party here may be a remote mapping workstation or other device.
The prior art is not friendly to the remote mapping workstation, and is mainly embodied in the following aspects: 1. for the diagnostician at the remote diagraph-judging workstation, the diagrapher cannot select the labeling frame in the column imaging display process and then singly enhance the labeling frame, or cannot select the suspected region and then singly enhance the suspected region, and only 1 full package image is selected, so that the degree of freedom is reduced, and particularly, the diagrapher cannot perform region selection and then perform local enhancement in the column imaging process to improve the determination efficiency. 2. Because the column imaging process is almost synchronous with the scanning process of the X-ray scanning security inspection equipment, a complete parcel picture does not exist at the moment, and an enhanced picture cannot be output in the process, the enhanced picture cannot be obtained in the column imaging process, so that the enhanced function can be called after the whole parcel picture is displayed, a diagraph cannot request enhancement in the real-time column imaging process, and the delayed image interpretation can be caused.
At present, in the centralized mapping technology based on column data transmission, there is no enhancement mode for a remote mapping workstation, and there is no enhancement mode with higher degree of freedom, especially when the remote mapping workstation performs column imaging rendering display, there is no enhancement mode for column data.
Disclosure of Invention
The invention aims to provide a method and a device for dynamically enhancing display based on a column data labeling area.
The technical scheme of the invention is as follows:
on one hand, the method for dynamically enhancing the display based on the column data labeling area comprises the following steps:
s1, sequentially receiving original column data L;
s2, sequentially carrying out column imaging rendering display on the original column data L;
s3, sequentially carrying out enhancement calculation on pixels of the original column data L through a selected enhancement mode to obtain enhanced pixel data, and drawing the enhanced pixel data into a temporary canvas g;
s4, receiving a manual selection frame a in the column imaging rendering display area or a marking frame a in the image recognition result;
s5, rendering and displaying the manual selection area frame a or the marking frame a on the basis of performing column imaging rendering and displaying on the original column data L synchronously;
s6, converting the manual selection frame a or the marking frame a into the canvas g to obtain a selection frame a ', wherein the coordinate system of the manual selection frame a or the marking frame a and the coordinate system of the original column data L are the same coordinate system, and the coordinate system of the selection frame a' and the coordinate system of the canvas g are the same coordinate system;
s7, extracting enhanced pixel data in the selected frame a' from the canvas g;
and S8, imaging, rendering and displaying the extracted enhanced pixel data.
The design principle of the invention is as follows:
the method is preferably applied to a remote graph judging workstation, and is different from the prior art in that: the existing image enhancement function is deployed in an X-ray scanning security inspection device, while the method is deployed in a remote mapping workstation, for the remote mapping workstation, the obtained data includes: the original column data L and the recognition result, therefore, how to realize enhancement on the basis of the original column data L with high degree of freedom is one of the objectives to be realized by the present invention.
In order to realize the free selection of a manual selection frame or the local enhancement of the selection frame according to the image recognition result, thereby providing the operation with high degree of freedom for the image recognizer; in order to realize enhancement in the process of supporting column data, the time delay graph judgment is avoided. The invention proposes a container idea, namely that when receiving original column data L, 1 canvas g is created (preferably, 1 canvas g is created when receiving the first original column data L of a package), the canvas g can be understood as a container, and the canvas g has the following functions: synchronizing with the column data, synchronously carrying the result of each column data after being independently enhanced for 1 time, namely, synchronizing 2 processes of independently performing column imaging rendering display on each original column data L and drawing the enhanced pixel data into a temporary canvas g; at this time, there is no enhancement effect for the remote judging workstation, and the canvas g is not displayed. When the image judging person operates a manual selection area box a or selects a marking box a in the area where the column imaging rendering display is located, a corresponding selection box a' corresponding to the content which the image judging person wants to display is synchronously generated in the canvas g by utilizing a conversion algorithm. At this time, only the content of the canvas g corresponding to the selected box a' needs to be read for rendering and displaying. Therefore, the invention provides the container arrangement, the enhanced content is arranged in the container in advance, and the purposes that the image judging person can freely select the area in the column imaging process and can directly read and display the corresponding content are achieved. The freedom degree of operation is increased, and the synchronous enhancement processing realizes direct reading and avoids the delay problem of waiting for enhancement calculation.
Preferably, the canvas g is a hidden mode canvas.
Preferably, the canvas g is created when the first original column data L of a package is received, and the height of the canvas g is the same as the height of the first original column data L.
Preferably, the specific process of converting the manual selection box a or the marking box a into the canvas g to obtain a selection box a' comprises the following steps:
s61, analyzing the width of single original line data L as LW and the height as LH, and analyzing the number of lines where the left edge of the manual selection area frame a or the marking frame a is located as L l The number of columns on which the right edge is located is L r The distance from the upper edge to the initial row of the original column data L is X1, and the distance from the lower edge to the final row of the original column data L is X2;
s62, calculating X = (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l + 1) × LW, where X, Y is the coordinates of the top left vertex of the selected box a ', h is the height of the selected box a ', and W is the width of the selected box a '.
Preferably, the width of the single original column data L is LW =1.
Preferably, before S3, SA is further included, and specifically:
and SA: acquiring an enhanced mode selection request triggered by a user, wherein the enhanced mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter elimination, inorganic matter elimination, zooming in, zooming out, black and white image, penetration enhancement, variable multi-energy and gray scale scanning.
Preferably, S6 further includes SB, where SB is specifically:
SB: acquiring a frame selection request triggered by a user, wherein the frame selection request comprises: and selecting a manual selection area frame a in the column imaging rendering display area or a marking frame a selected in the image recognition result.
Preferably, S2 further includes SC1, where SC1 specifically is: SC1, creating 1 column imaging display window, wherein S2 specifically comprises the following steps: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
Preferably, S8 further includes SC2, where SC2 specifically is: SC2, creating 1 selection frame enhanced display window, wherein S8 specifically comprises the following steps: and performing imaging rendering display on the extracted enhanced pixel data in the selected frame enhanced display window.
In another aspect, an apparatus for dynamically enhancing a presentation based on a column data labeling area includes:
one or more processors;
the storage unit is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the one or more processors can realize the method for dynamically enhancing the display based on the column data annotation area.
The invention has the beneficial effects that:
(1) The invention can realize the enhancement synchronous with the column data and directly call the enhanced content in any selection range for displaying, and the mode has the synchronous characteristic, namely realizes the enhanced display of a local area in the column imaging process.
(2) The canvas g is used as an intermediary container to bear the result after synchronous enhancement, the calling is waited, and the enhanced content can be directly called as long as the column data is cached in the canvas g, so that the selection area can be operated at will in the display area of the column data. Thus, the present invention has the effect of synchronization and high degree of freedom.
Drawings
FIG. 1 is a display interface of a remote mapping workstation without triggering an enhanced display.
Fig. 2 is a schematic flow chart of the original column data L being enhanced and being written into the canvas g after the enhancement.
FIG. 3 is a diagram illustrating the effect of the column data imaging rendering display and the superimposed annotation frame imaging rendering display.
Figure 4 is a schematic diagram of the generation of a selection box a' in the canvas g.
FIG. 5 is a diagram illustrating a remote mapping workstation triggering the display of enhanced content according to selection box a'.
FIG. 6 is a schematic flow chart of the present invention.
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
The embodiment provides a method for dynamically enhancing display based on a column data labeling area, as shown in fig. 6, the method includes the following steps:
s1, sequentially receiving original column data L;
the original column data L refers to a result of one-time scanning and imaging by the X-ray scanning security inspection apparatus, and the width of one column of the original column data L may be 1 pixel or multiple pixels.
S2, sequentially carrying out column imaging rendering display on the original column data L;
the original column data L is subjected to column imaging rendering display, namely, after 1 column of original column data L enters, column imaging rendering display is performed once, so that the effect of synchronizing with the X-ray scanning security check equipment can be realized, and the effect of simulating the X-ray scanning security check equipment can also be realized.
S3, sequentially carrying out enhancement calculation on pixels of the original column data L through a selected enhancement mode to obtain enhanced pixel data, and drawing the enhanced pixel data into a temporary canvas g;
referring to fig. 2, for 1 incoming raw column data, in the specified enhancement mode, the enhanced pixel data after the enhanced computation is immediately drawn into the canvas g, which is not shown and serves as a sampling container, which is essentially an intermediary.
S4, receiving a manual selection frame a in the column imaging rendering display area or a marking frame a in the image recognition result;
s5, rendering and displaying the manual selection area frame a or the marking frame a on the basis of performing column imaging rendering and displaying on the original column data L synchronously;
referring to fig. 3, a manual tab box a or a label box a may be rendered in the column number.
S6, converting the manual selection frame a or the marking frame a into the canvas g to obtain a selection frame a ', wherein the coordinate system of the manual selection frame a or the marking frame a and the coordinate system of the original column data L are the same coordinate system, and the coordinate system of the selection frame a' and the coordinate system of the canvas g are the same coordinate system;
referring to fig. 3 and 4, firstly, since the manual frame a or the label frame a is operated on the basis of the column data, in which the coordinate system of each column data is reconstructed, for example, the coordinate of the first pixel point at the upper left corner of the first column original column data L is (0,0), and the coordinate of the first pixel point at the upper left corner of the second column original column data L is (0,0), the coordinate system of each original column data L is independent. The canvas g is drawn with pixel information in sequence and is a coordinate system all the time, so that the manual selecting area box a or the marking box a under the coordinate system of the original line data L needs to be converted, and the purpose of the conversion is to convert the manual selecting area box a or the marking box a into the coordinate system of the canvas g in the coordinate system of the original line data L. Thus, a selected box a 'can be mapped in the canvas g, and the selected box a' can be understood as a sampling area, and therefore, a diagrapher can create a manual selected area box a under a column data picture or directly select an automatically generated labeling box a as a sampling range needing to be enhanced according to self definition.
S7, extracting enhanced pixel data in the selected frame a' from the canvas g;
the canvas g extracts and stores the enhanced pixel content corresponding to the displayed column data, so that the enhanced pixel content can be directly read under the selection box a' and can be subjected to subsequent rendering display.
And S8, imaging, rendering and displaying the extracted enhanced pixel data.
Preferably, the canvas g is a hidden mode canvas.
Preferably, the canvas g is created when the first original column data L of a package is received, and the height of the canvas g is the same as the height of the first original column data L.
Preferably, the specific process of converting the manual selection box a or the marking box a into the canvas g to obtain a selection box a' comprises the following steps:
s61, analyzing the width of the single original column data L as LW and the height as LH, and analyzing the number of columns where the left edge of the manual area selection frame a or the marking frame a is located as L l The number of columns on which the right edge is located is L r The distance from the upper edge to the initial row of the original column data L is X1, and the distance from the lower edge to the final row of the original column data L is X2;
s62, calculating X = (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l + 1) × LW, where X, Y is the coordinates of the top left vertex of the selected box a ', h is the height of the selected box a ', and W is the width of the selected box a '.
Preferably, referring to fig. 3 and 4, taking the width of a single original column datum L as LW =1 and the height of a single original column datum L as 10 pixels as an example, x1=3 of a frame a is marked, x2=5 of the frame a is marked, and the boundaries of the frame a are respectively in the 2 nd column and the 4 th column. The position coordinates of the selected box a' are x =1,y =3, width w =3, height h =2, according to the above conversion algorithm.
Preferably, before S3, SA is further included, and specifically:
and SA: acquiring an enhanced mode selection request triggered by a user, wherein the enhanced mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter elimination, inorganic matter elimination, zooming in, zooming out, black and white image, penetration enhancement, variable multi-energy and gray scale scanning.
Preferably, S6 further includes SB, where SB is specifically:
SB: acquiring a frame selection request triggered by a user, wherein the frame selection request comprises: and a selected manual selection frame a in the column imaging rendering display area or a selected marking frame a in the image recognition result.
Preferably, S2 further includes SC1, where SC1 specifically is: SC1, creating 1 column imaging display window, wherein S2 specifically comprises the following steps: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
Preferably, S8 further includes SC2, where SC2 specifically is: SC2, creating 1 selection frame enhanced display window, wherein S8 specifically comprises the following steps: and performing imaging rendering display on the extracted enhanced pixel data in the selected frame enhanced display window.
Referring to fig. 5 and fig. 1, it can be seen that, for a user such as a diagnostician, the present invention can support a manual selection frame a selected in a column imaging rendering display area or a labeling frame a selected in a recognition result; then, according to the conversion algorithm, a corresponding selected box a 'is generated in the canvas g, and then the content of the selected box a' is directly rendered to the remote judging graph workstation. Even when the column data of one wrapped picture is not completely generated, namely when partial column data appears, the operation is supported and the corresponding enhanced content is displayed.
Example 2
Referring to fig. 6, a device for dynamically enhancing display based on column data labeling area, namely a remote graph judging workstation in a graph, includes:
one or more processors;
a storage unit, configured to store one or more programs, which when executed by the one or more processors, enable the one or more processors to implement the method for dynamically enhancing display based on the column data annotation region according to embodiment 1.
Referring to fig. 6, a graph recognition result generation device and a column data generation device are also shown, the graph recognition result generation device corresponds to a graph recognition device, and the column data generation device corresponds to an X-ray scanning security inspection device.
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. A method for dynamically enhancing display based on a column data labeling area is characterized by comprising the following steps:
s1, sequentially receiving original column data L;
s2, sequentially carrying out column imaging rendering display on the original column data L;
s3, sequentially carrying out enhancement calculation on pixels of the original column data L through a selected enhancement mode to obtain enhanced pixel data, and drawing the enhanced pixel data into a temporary canvas g;
s4, receiving a manual selection frame a in the column imaging rendering display area or a marking frame a in the image recognition result;
s5, rendering and displaying the manual selection area frame a or the marking frame a on the basis of performing column imaging rendering and displaying on the original column data L synchronously;
s6, converting the manual selection frame a or the marking frame a into the canvas g to obtain a selection frame a ', wherein the coordinate system of the manual selection frame a or the marking frame a and the coordinate system of the original column data L are the same coordinate system, and the coordinate system of the selection frame a' and the coordinate system of the canvas g are the same coordinate system;
s7, extracting enhanced pixel data in the selected frame a' from the canvas g;
and S8, imaging, rendering and displaying the extracted enhanced pixel data.
2. The method according to claim 1, wherein the canvas g is a hidden mode canvas.
3. The method of claim 1, wherein the canvas g is created when a first original column data L of a package is received, and the height of the canvas g is the same as the height of the first original column data L.
4. The method for dynamically enhancing display based on the column data labeling area according to claim 1, wherein the specific process of converting the manual selection area box a or the labeling box a into the canvas g to obtain a selection box a' comprises the following steps:
s61, analyzing the width of single original line data L as LW and the height as LH, and analyzing the number of lines where the left edge of the manual selection area frame a or the marking frame a is located as L l The number of columns on which the right edge is located is L r The distance from the upper edge to the initial row of the original column data L is X1, and the distance from the lower edge to the final row of the original column data L is X2;
s62, calculating X = (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l + 1) × LW, where X, Y is the coordinates of the top left vertex of the selected box a ', h is the height of the selected box a ', and W is the width of the selected box a '.
5. The method according to claim 4, wherein the width of the original column data L is LW =1.
6. The method according to any one of claims 1 to 5, wherein S3 further includes an SA before, where the SA specifically is:
and SA: acquiring an enhanced mode selection request triggered by a user, wherein the enhanced mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter elimination, inorganic matter elimination, zooming in, zooming out, black and white image, penetration enhancement, variable multi-energy and gray scale scanning.
7. The method according to any one of claims 1 to 5, wherein S6 further includes a SB, where the SB is specifically:
SB: acquiring a frame selection request triggered by a user, wherein the frame selection request comprises: and a selected manual selection frame a in the column imaging rendering display area or a selected marking frame a in the image recognition result.
8. The method according to any one of claims 1 to 5, wherein S2 further includes SC1 before, where SC1 specifically is: SC1, creating 1 column imaging display window, wherein S2 specifically comprises the following steps: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
9. The method according to any one of claims 1 to 5, wherein S8 further includes SC2, where SC2 specifically is: SC2, creating 1 selection frame enhanced display window, wherein S8 specifically comprises the following steps: and performing imaging rendering display on the extracted enhanced pixel data in the selected frame enhanced display window.
10. An apparatus for dynamically enhancing display based on column data labeling area, comprising:
one or more processors;
a storage unit, configured to store one or more programs, which when executed by the one or more processors, enable the one or more processors to implement the method of dynamically enhancing presentation based on column data annotation regions according to any one of claims 1 to 9.
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