CN115546075B - Method and device for dynamically enhancing display based on column data labeling area - Google Patents
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- 238000009877 rendering Methods 0.000 claims abstract description 37
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Abstract
The invention relates to the technical field of security inspection 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 enhancement data and the imaging data by utilizing the container thought, and realizes the local enhancement display with higher degree of freedom in the imaging process of the column data. The method comprises the following steps: sequentially performing enhancement calculation on pixels of the original column data L to obtain enhanced pixel data, and drawing the enhanced pixel data into a temporary canvas g; receiving a manual selection area frame a in a column imaging rendering display area or a labeling frame a in a picture recognition result; the method comprises the steps of converting a manual selection frame a or a labeling frame a into a canvas g to obtain a selection frame a ', wherein the coordinate system of the manual selection frame a or the labeling frame a and the coordinate system of 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; enhanced pixel data within the selected frame a' is extracted from canvas g for imaging rendering display.
Description
Technical Field
The invention relates to the technical field of security inspection display, in particular to a method and a device for dynamically enhancing display based on a column data labeling area.
Background
In the scene of parcel security inspection, in order to practice thrift the human cost, generally be provided with concentrated picture judgement system, concentrated picture judgement system generally includes: x-ray scanning security check equipment, picture recognition equipment, pushing equipment and remote picture judging workstation, wherein the functions of the equipment are as follows: the X-ray scanning security inspection equipment performs X-ray scanning on the packages moving inside, generates a column data corresponding to one package every time of scanning, and can be called a column data generating device; the image recognition device performs contraband recognition on a package image to generate an image recognition result, wherein the image recognition result generally comprises: a labeling box for representing the contraband area and a text for the name of the contraband; the pushing equipment is in butt joint with the plurality of X-ray scanning security check equipment, the image recognition equipment and the remote image judgment workstation, and the pushing equipment is used for sending column data and image recognition results generated by the X-ray scanning security check equipment and the image recognition equipment 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 device is an X-ray image, in order to effectively resolve the content in the image, enhancement functions (such as operations of organic matter rejection, inorganic matter rejection, black-and-white image, super enhancement of image, penetration enhancement, variable multi-energy, gray scanning, edge enhancement, etc.) can be generally set in the security inspection device, and the enhancement functions can only enhance the effect of the package scanning complete image in the prior art. The general processing mode is as follows: and synthesizing column data corresponding to the 1 package into 1 package picture, wherein the package picture can be called a ray original image, and then storing the ray original image to wait for a third party to call. The method comprises the steps that a general third party can send an enhancement request to X-ray scanning security inspection equipment, after the X-ray scanning security inspection equipment receives the request, the X-ray scanning security inspection equipment downloads the original image of the rays locally, then enhancement mode is started locally to calculate an enhancement picture, and the enhancement picture is returned to the third party, so that the third party can obtain an enhancement picture and display the enhancement picture at the third party. The third party here may be a remote decision making workstation or other device.
The above prior art is not friendly for remote graph judging workstations, and is mainly embodied in the following aspects: 1. for the image judging staff at the remote image judging workstation, the process of displaying the column images of the image judging staff cannot select the labeling frame, then the labeling frame is singly enhanced, the suspected region cannot be selected and then singly enhanced, only 1 package full image is provided for the selection, the degree of freedom is reduced, and particularly, the region cannot be selected and then the local enhancement is carried out in the column imaging process to improve the judging efficiency. 2. Because the column imaging process is almost synchronous with the scanning process of the X-ray scanning security inspection equipment, at the moment, a complete package picture is not available, and an enhanced picture cannot be output in the process, so that the enhanced picture cannot be acquired in the column imaging process, the enhanced function needs to be invoked after the whole package picture is displayed, and a diagonalist cannot request enhancement in the real-time column imaging process, which can lead to time delay diagonals.
Currently, in the centralized graph judging technology based on column data transmission, for a remote graph judging workstation, there is no enhancement mode, and there is no enhancement mode with higher degree of freedom, especially when the remote graph judging workstation implements 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:
in one aspect, a method for dynamically enhancing display based on column data annotation region includes the following steps:
s1, sequentially receiving original column data L;
s2, sequentially performing 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 region selection frame a in a column imaging rendering display region or a labeling frame a in a picture recognition result;
s5, synchronously 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;
s6, converting the manual selection frame a or the marking frame a into a canvas g to obtain a selected 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 selected 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;
s8, imaging, rendering and displaying the extracted enhanced pixel data.
The design principle of the invention is as follows:
the method is preferentially applied to a remote graph judging workstation, and is different from the prior art in that: the existing image enhancement function is deployed on an X-ray scanning security inspection device, and the method is deployed on a remote graph judging workstation, and for the remote graph judging workstation, the obtained data comprises: the original column data L and the recognition result, and therefore, how to realize enhancement with high degree of freedom on the basis of the original column data L is one of the objects to be achieved by the present invention.
In order to realize the free selection of a manual selection area frame or the local enhancement of the selection frame according to the picture recognition result, the high-freedom operation is provided for a picture judge person; in order to realize enhancement in the process of supporting column data, delay judgment is avoided. The invention proposes the idea of creating 1 canvas g (preferably 1 canvas g is created when the first raw column data L of a package is received) when the raw column data L is received, this canvas g being understood as a container, the canvas g having the function of: synchronizing with column data, and synchronously carrying the result of each column data after being singly executed for 1 time, namely, independently carrying out column imaging rendering display on each original column data L, and drawing the enhanced pixel data into a temporary canvas g, wherein the 2 processes are synchronous; at this point, there is no enhanced effect on the remote decision making workstation and canvas g is not displayed. When the operator operates a manual selection area frame a or selects a labeling frame a in the area where the column imaging rendering display is located, a corresponding selection frame a 'is synchronously generated in the canvas g by utilizing a conversion algorithm, and the selection frame a' corresponds to the content which the operator wants to display. At the moment, the canvas g is only required to be read to be rendered and displayed corresponding to the content in the selected frame a'. Therefore, the invention provides the container setting, and the enhanced content is set in the container in advance, so that the purpose that a diagrammer can realize free selection area in the column imaging process and can directly read and display the corresponding content is realized. The degree of freedom 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, upon receipt of the first raw column data L of a parcel, the canvas g is created, the height of the canvas g being the same as the height of the first raw column data L.
Preferably, the specific process of converting the manual selection frame a or the labeling frame a into the canvas g to obtain a selection frame a' is as follows:
s61, analyzing single original column data L with LW width and LH height, and analyzing column number of the left edge of the manual selection frame a or the marking frame a to be L l The column number of the right edge 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. calculate x= (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l +1) LW, wherein X, Y is the coordinates of the top left vertex of the selected frame a ', h is the height of the selected frame a ', and W is the width of the selected frame a '.
Preferably, the width of the single raw column data L is lw=1.
Preferably, S3 further includes an SA, where SA is specifically:
SA: and acquiring an enhancement mode selection request triggered by a user, wherein the enhancement mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter rejection, inorganic matter rejection, amplification, shrinkage, black-and-white image, penetration enhancement, variable multi-energy and gray scale scanning.
Preferably, the step S6 further comprises SB, where SB is specifically:
SB: obtaining a frame selection request triggered by a user, wherein the frame selection request comprises: a manual selection box a selected in the column imaging rendering display area or a labeling box a selected in the picture recognition result.
Preferably, before S2, SC1 is further included, and SC1 specifically is: s1, creating 1 column of imaging display windows, wherein S2 is specifically as follows: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
Preferably, before S8, SC2 is further included, and SC2 specifically is: s2, creating 1 selected frame enhanced display window, wherein S8 is specifically as follows: and imaging, rendering and displaying the extracted enhanced pixel data in the selected frame enhanced display window.
In another aspect, a device for dynamically enhancing presentation based on column data annotation regions comprises:
one or more processors;
and 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 marking area.
The beneficial effects of the invention are as follows:
(1) The invention can realize the enhancement of synchronization with the column data and the direct retrieval of the enhanced content for display in any selection range, and the mode has the synchronization characteristic, namely the enhancement display of the local area is realized in the column imaging process.
(2) The invention uses the canvas g as an intermediary container to bear the synchronous enhanced result, and waits to be called, so that only the column data which appears is cached in the canvas g, and the enhanced content can be directly called by arbitrarily operating the selection area in the display area of the column data. Thus, the invention has the effects of synchronization and high degree of freedom.
Drawings
FIG. 1 is a display interface of a remote decision making workstation that does not trigger enhanced display.
FIG. 2 is a flow chart illustrating the original column data L being enhanced and then written to canvas g after enhancement.
Fig. 3 is an effect diagram of an overlay annotation frame imaging rendering display based on a column data imaging rendering display.
FIG. 4 is a schematic diagram of generating a selected box a' in canvas g.
FIG. 5 is a schematic diagram of a remote decision station triggering the display of enhanced content according to a selected box a'.
FIG. 6 is a flow chart of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Example 1
The embodiment provides a method for dynamically enhancing display based on a column data annotation region, which is shown in fig. 6 and comprises the following steps:
s1, sequentially receiving original column data L;
the original column data L refers to a result of one-time scanning imaging by the X-ray scanning security inspection device, and the width of one column of original column data L may be 1 pixel or more.
S2, sequentially performing column imaging rendering display on the original column data L;
the process of performing column imaging rendering display on the original column data L is column-by-column display, namely, performing column imaging rendering display once after 1 column of original column data L enters, so that the effect of synchronizing with X-ray scanning security inspection equipment can be achieved, and the effect of simulating the X-ray scanning security inspection equipment can also be achieved.
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, enhanced computation, whose computed enhanced pixel data is immediately drawn into canvas g, where canvas g is not displayed, which acts as a sampling container, is an intermediary in nature.
S4, receiving a manual region selection frame a in a column imaging rendering display region or a labeling frame a in a picture recognition result;
s5, synchronously 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;
referring to fig. 3, a manually selected region box a or a labeled box a may be rendered in the column number.
S6, converting the manual selection frame a or the marking frame a into a canvas g to obtain a selected 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 selected frame a' and the coordinate system of the canvas g are the same coordinate system;
referring to fig. 3 and 4, first, since the manual selection box a or the label box a is operated on the basis of column data in which the coordinate system of each column data is reconstructed, for example, the coordinates of the first pixel point at the upper left corner of the first column of raw column data L are (0, 0) and the coordinates of the first pixel point at the upper left corner of the second column of raw column data L are (0, 0), the coordinate system of each raw column data L is independent. And the canvas g is sequentially drawn with pixel information, and is a coordinate system all the time, so that the manual selection frame a or the annotation frame a under the coordinate system of the original column data L needs to be converted, and the purpose of the conversion is to convert the manual selection frame a or the annotation frame a into the coordinate system of the canvas g in the coordinate system of the original column data L. Thus, a selected frame a 'can be mapped in the canvas g, and the selected frame a' can be understood as a sampling area, so that a diagonast can create a manual selected area frame a under a column data picture according to the definition or directly select a certain automatically generated labeling frame a as a sampling range needing to be enhanced.
S7, extracting enhanced pixel data in the selected frame a' from the canvas g;
since canvas g extracts and stores the enhanced pixel content corresponding to the displayed column data, the enhanced pixel content can be directly read and displayed in a subsequent rendering manner under the selected frame a'.
S8, imaging, rendering and displaying the extracted enhanced pixel data.
Preferably, the canvas g is a hidden mode canvas.
Preferably, upon receipt of the first raw column data L of a parcel, the canvas g is created, the height of the canvas g being the same as the height of the first raw column data L.
Preferably, the specific process of converting the manual selection frame a or the labeling frame a into the canvas g to obtain a selection frame a' is as follows:
S61. analyzing single original column data L with LW width and LH height, and analyzing column number of left edge of manual selection frame a or marking frame a to be L l The column number of the right edge 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. calculate x= (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l +1) LW, wherein X, Y is the coordinates of the top left vertex of the selected frame a ', h is the height of the selected frame a ', and W is the width of the selected frame a '.
Preferably, referring to fig. 3 and 4, taking the width lw=1 of the single original column data L, the height of the single original column data L is 10 pixels as an example, x 1=3 of the label frame a, x 2=5 of the label frame a, and the boundaries of the label 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, and height h=2 according to the above-described conversion algorithm.
Preferably, S3 further includes an SA, where SA is specifically:
SA: and acquiring an enhancement mode selection request triggered by a user, wherein the enhancement mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter rejection, inorganic matter rejection, amplification, shrinkage, black-and-white image, penetration enhancement, variable multi-energy and gray scale scanning.
Preferably, the step S6 further comprises SB, where SB is specifically:
SB: obtaining a frame selection request triggered by a user, wherein the frame selection request comprises: a manual selection box a selected in the column imaging rendering display area or a labeling box a selected in the picture recognition result.
Preferably, before S2, SC1 is further included, and SC1 specifically is: s1, creating 1 column of imaging display windows, wherein S2 is specifically as follows: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
Preferably, before S8, SC2 is further included, and SC2 specifically is: s2, creating 1 selected frame enhanced display window, wherein S8 is specifically as follows: and imaging, rendering and displaying 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 box a selected in a column imaging rendering display area or a labeling box a selected in a graph recognition result; then, according to the conversion algorithm, a corresponding selected frame a 'is generated in the canvas g, and then the content of the selected frame a' is directly rendered into a remote graph judging workstation. This is supported and the corresponding enhancement is displayed even when the column data of one wrap picture is not completely generated, i.e. when part of the column data is present.
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 the graph, includes:
one or more processors;
and a storage unit, configured to store one or more programs, where the one or more programs, when executed by the one or more processors, enable the one or more processors to implement a method for dynamically enhancing presentation based on a column data annotation region according to embodiment 1.
Referring to fig. 6, a graph recognition result generating device and a column data generating device are also shown, the graph recognition result generating device corresponds to the graph recognition device, and the column data generating device corresponds to the X-ray scanning security inspection device.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention and the invention is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (9)
1. The method for dynamically enhancing the display based on the column data labeling area is characterized by comprising the following steps of:
s1, sequentially receiving original column data L;
s2, sequentially performing 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 region selection frame a in a column imaging rendering display region or a labeling frame a in a picture recognition result;
s5, synchronously 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;
s6, converting the manual selection frame a or the marking frame a into a canvas g to obtain a selected 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 selected 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;
s8, imaging, rendering and displaying the extracted enhanced pixel data;
the specific process of converting the manual selection frame a or the labeling frame a into the canvas g to obtain a selected frame a' comprises the following steps:
s61, analyzing single original column data L with LW width and LH height, and analyzing column number of the left edge of the manual selection frame a or the marking frame a to be L l The column number of the right edge 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. calculate x= (L) l -1）*LW，Y= X1，h=LH-X1-X2，W=（L r -L l +1) LW, wherein X, Y is the coordinates of the top left vertex of the selected frame a ', h is the height of the selected frame a ', and W is the width of the selected frame a '.
2. The method for dynamically enhancing presentation based on column data annotation fields of claim 1, wherein the canvas g is a hidden mode canvas.
3. The method for dynamically enhancing a presentation based on column data annotation fields of claim 1, wherein the canvas g is created upon receipt of a first original column data L of a parcel, the canvas g having the same height as the first original column data L.
4. A method for dynamically enhancing presentation based on column data annotation fields as claimed in claim 1, wherein the width of the individual raw column data L is lw=1.
5. The method for dynamically enhancing display based on column data labeling area according to any one of claims 1-4, wherein the step S3 further comprises SA, where SA is specifically:
SA: and acquiring an enhancement mode selection request triggered by a user, wherein the enhancement mode comprises one or more of highlighting, darkening, edge enhancement, super enhancement, pseudo color, brightness scanning, organic matter rejection, inorganic matter rejection, amplification, shrinkage, black-and-white image, penetration enhancement, variable multi-energy and gray scale scanning.
6. The method for dynamically enhancing display based on column data annotation fields according to any one of claims 1-4, wherein the step S6 further comprises SB, and the SB is specifically:
SB: obtaining a frame selection request triggered by a user, wherein the frame selection request comprises: a manual selection box a selected in the column imaging rendering display area or a labeling box a selected in the picture recognition result.
7. The method for dynamically enhancing display based on column data labeling area according to any one of claims 1-4, wherein SC1 is further included before S2, and SC1 is specifically: s1, creating 1 column of imaging display windows, wherein S2 is specifically as follows: and sequentially carrying out column imaging rendering display on the original column data L in a column imaging display window.
8. The method for dynamically enhancing display based on column data labeling area according to any one of claims 1-4, wherein SC2 is further included before S8, and SC2 is specifically: s2, creating 1 selected frame enhanced display window, wherein S8 is specifically as follows: and imaging, rendering and displaying the extracted enhanced pixel data in the selected frame enhanced display window.
9. A device for dynamically enhancing display based on column data annotation regions, comprising:
one or more processors;
a storage unit configured to store one or more programs that, when executed by the one or more processors, enable the one or more processors to implement a method for dynamically enhancing presentation based on column data annotation regions as claimed in any one of claims 1 to 8.
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| CA2267981C (en) * | 1996-11-29 | 2004-10-19 | Life Imaging Systems Inc. | Enhanced image processing for a three-dimensional imaging system |
| US6782137B1 (en) * | 1999-11-24 | 2004-08-24 | General Electric Company | Digital image display improvement system and method |
| US8610963B2 (en) * | 2010-03-09 | 2013-12-17 | Xerox Corporation | Image corner sharpening method and system |
| CN108573279A (en) * | 2018-03-19 | 2018-09-25 | 精锐视觉智能科技（深圳）有限公司 | Image labeling method and terminal device |
| CN110349097B (en) * | 2019-06-17 | 2021-06-25 | 苏州华星光电技术有限公司 | Color enhancement method for image significance and image processing device |
| CN112686939B (en) * | 2021-01-06 | 2024-02-02 | 腾讯科技（深圳）有限公司 | Depth image rendering method, device, equipment and computer readable storage medium |
| CN114138999A (en) * | 2021-12-08 | 2022-03-04 | 北京航星机器制造有限公司 | Image processing method for security inspection equipment |
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