CN111046888A - Data display device based on current moment - Google Patents
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Abstract
The invention relates to a data display device based on the current time, comprising: the dish display equipment is used for inquiring various preferred dishes corresponding to the user names from a dish database based on the received user names and displaying the model and the price of each preferred dish; in the dish display apparatus, displaying the model and the price of each preferred dish includes: only models and prices of preferred dishes served at the present time are displayed. The data display device based on the current moment is wide in application and convenient to use. Since the name detection of the nearest user is performed on the customized image, so that each preferred dish corresponding to the name is inquired from the dish database based on the name, and whether the model and the price of each preferred dish are displayed is determined according to the supply time of the preferred dish, the speed and the efficiency of ordering in the dining room are improved.
Description
Technical Field
The invention relates to the field of data display, in particular to a data display device based on the current moment.
Background
The data display is to output the data in the internal or external memory of the system in a visible or readable form, and has the forms of data value direct display, data table display, various statistical graph display and the like. In the geographic information system, data reflecting spatial information may also be displayed in the form of graphics or images.
The data display is related to the display device in addition to the data itself. For high resolution color display and color plotter, the display precision is high, and different colors can be used to represent different values. For monochrome displays and printers, different display symbols are required to be designed to represent different numerical values, so as to improve the display effect.
Disclosure of Invention
The invention needs to have the following key invention points:
(1) performing name detection of a nearest user on the customized image to query each preferred dish corresponding to the name from the dish database based on the name, and determining whether to display a model and a price of each preferred dish according to a supply time of the preferred dish;
(2) on the basis of the analysis of the image content, whether distortion correction processing is performed on two customized color channel values in the image is determined, and the remaining color channel values do not participate in the distortion correction processing, so that the pertinence of the image processing is improved.
According to an aspect of the present invention, there is provided a data display apparatus based on a current time, the apparatus including:
the dish display equipment is used for inquiring various preferred dishes corresponding to the user names from a dish database based on the received user names and displaying the model and the price of each preferred dish;
in the dish display apparatus, displaying the model and the price of each preferred dish includes: displaying only models and prices of preferred dishes served at the current time;
the FPM DRAM storage device is connected with the dish display device and used for storing relevant information of various dishes supplied by the canteen, and the relevant information of each dish comprises: price of the dish, model of the dish, and serving time period of the dish;
the button camera is arranged above a dish ordering table of the canteen and used for carrying out camera shooting operation on the environment in front of the dish ordering table so as to obtain and output a corresponding environment image in front of the table;
the object detection equipment is connected with the button camera and used for receiving the pre-stage environment image and detecting the objects in the pre-stage environment image so as to divide each object area corresponding to each object from the pre-stage environment image;
the numerical comparison device is connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the object region with the largest area occupying the image of the foreground environment as a representative proportion;
the Freescale MC9S12 chip is respectively connected with the numerical comparison device and the space conversion device and is used for switching the space conversion device from a power saving state to an operating state when the received representative proportion is greater than or equal to a preset proportion threshold;
the Freescale MC9S12 chip is further used for switching the space conversion equipment from the running state to the power saving state when the received representative proportion is smaller than the preset proportion threshold;
the system comprises a space conversion device, a color matching device and a color matching device, wherein the space conversion device is used for receiving a foreground environment image in an operating state and converting an RGB color space into a CMYK color space for the foreground environment image so as to obtain a C channel value, an M channel value, a Y channel value and a K channel value of each pixel point in the foreground environment image;
a targeted correction device, connected to the spatial conversion device, for performing distortion correction processing on the C channel values in the pre-stage environment image to obtain a first processed image, and performing distortion correction processing on the M channel values in the first processed image to obtain a second processed image;
an edge enhancement device connected with the targeted correction device and used for carrying out image edge enhancement on the second processed image to obtain an edge enhanced image;
the name extraction device is connected with the edge enhancement device and used for identifying each face object from the edge enhancement image based on the face imaging characteristics, performing face characteristic identification on the face object with the minimum depth of field in the edge enhancement image to obtain a corresponding user name and sending the user name to the dish display device;
wherein, in the targeted correction apparatus, performing distortion correction processing on a C-channel value in the pre-stage environment image to obtain a first processed image includes: each C channel value of each pixel point in the foreground environment image participates in distortion correction processing, and each M channel value, each Y channel value and each K channel value of each pixel point in the foreground environment image do not participate in distortion correction processing;
wherein, in the targeted correction apparatus, performing distortion correction processing on the M-channel values in the first processed image to obtain a second processed image includes: each M channel value of each pixel point in the first processed image participates in distortion correction processing, and each C channel value, each K channel value and each Y channel value of each pixel point in the first processed image do not participate in distortion correction processing;
the object detection device comprises a data receiving sub-device, a detection execution sub-device, a region division sub-device and a data output sub-device.
The data display device based on the current moment is wide in application and convenient to use. Since the name detection of the nearest user is performed on the customized image, so that each preferred dish corresponding to the name is inquired from the dish database based on the name, and whether the model and the price of each preferred dish are displayed is determined according to the supply time of the preferred dish, the speed and the efficiency of ordering in the dining room are improved.
Detailed Description
An embodiment of the data display device based on the present time of the present invention will be described in detail below.
The menu of dishes originally refers to a menu provided by a restaurant listing various dishes. It is now extended to the list of options appearing on the display screen during the progress of the computer program, as well as to the list of various service items, etc., which is more broadly intended. The broad dish list refers to all information data related to the products, prices and services of the catering enterprise in the restaurant, and the information data not only comprises various text picture data, audio and video data, model and physical data, but also comprises dish ordering varieties written by waiters after customers order dishes. The list of dishes in narrow sense refers to various printed matters which are prepared by catering enterprises and are used for introducing the contents of products, services, prices and the like of the enterprises so as to be convenient for customers to order dishes and orders.
At present, the table of ordering in school or unit dining room often faces the peak and has dinner the user and block up, can't accelerate the problem of the speed of ordering, and the key problem lies in that the dishes are of a great variety, and the dish type of every user preference is different, and the user selects the space too big when ordering, directly leads to the speed that every user ordered to be slow partially.
In order to overcome the defects, the invention builds a data display device based on the current moment, and can effectively solve the corresponding technical problem.
A data display device based on a current time shown according to an embodiment of the present invention includes:
the dish display equipment is used for inquiring various preferred dishes corresponding to the user names from a dish database based on the received user names and displaying the model and the price of each preferred dish;
in the dish display apparatus, displaying the model and the price of each preferred dish includes: displaying only models and prices of preferred dishes served at the current time;
the FPM DRAM storage device is connected with the dish display device and used for storing relevant information of various dishes supplied by the canteen, and the relevant information of each dish comprises: price of the dish, model of the dish, and serving time period of the dish;
the button camera is arranged above a dish ordering table of the canteen and used for carrying out camera shooting operation on the environment in front of the dish ordering table so as to obtain and output a corresponding environment image in front of the table;
the object detection equipment is connected with the button camera and used for receiving the pre-stage environment image and detecting the objects in the pre-stage environment image so as to divide each object area corresponding to each object from the pre-stage environment image;
the numerical comparison device is connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the object region with the largest area occupying the image of the foreground environment as a representative proportion;
the Freescale MC9S12 chip is respectively connected with the numerical comparison device and the space conversion device and is used for switching the space conversion device from a power saving state to an operating state when the received representative proportion is greater than or equal to a preset proportion threshold;
the Freescale MC9S12 chip is further used for switching the space conversion equipment from the running state to the power saving state when the received representative proportion is smaller than the preset proportion threshold;
the system comprises a space conversion device, a color matching device and a color matching device, wherein the space conversion device is used for receiving a foreground environment image in an operating state and converting an RGB color space into a CMYK color space for the foreground environment image so as to obtain a C channel value, an M channel value, a Y channel value and a K channel value of each pixel point in the foreground environment image;
a targeted correction device, connected to the spatial conversion device, for performing distortion correction processing on the C channel values in the pre-stage environment image to obtain a first processed image, and performing distortion correction processing on the M channel values in the first processed image to obtain a second processed image;
an edge enhancement device connected with the targeted correction device and used for carrying out image edge enhancement on the second processed image to obtain an edge enhanced image;
the name extraction device is connected with the edge enhancement device and used for identifying each face object from the edge enhancement image based on the face imaging characteristics, performing face characteristic identification on the face object with the minimum depth of field in the edge enhancement image to obtain a corresponding user name and sending the user name to the dish display device;
wherein, in the targeted correction apparatus, performing distortion correction processing on a C-channel value in the pre-stage environment image to obtain a first processed image includes: each C channel value of each pixel point in the foreground environment image participates in distortion correction processing, and each M channel value, each Y channel value and each K channel value of each pixel point in the foreground environment image do not participate in distortion correction processing;
wherein, in the targeted correction apparatus, performing distortion correction processing on the M-channel values in the first processed image to obtain a second processed image includes: each M channel value of each pixel point in the first processed image participates in distortion correction processing, and each C channel value, each K channel value and each Y channel value of each pixel point in the first processed image do not participate in distortion correction processing;
the object detection device comprises a data receiving sub-device, a detection execution sub-device, a region division sub-device and a data output sub-device.
Next, a detailed description of the present data display device will be further described.
In the data display device based on the current time:
in the object detection device, the detection execution sub-device is connected to the data reception sub-device and the region segmentation sub-device, respectively.
In the data display device based on the current time:
in the object detection device, the region segmentation sub-device is connected to the data reception sub-device and the detection execution sub-device, respectively.
The data display device based on the current time can further comprise:
and the LED display equipment is connected with the pressure measuring equipment and used for receiving the internal pressure data of the name extraction equipment and instantly displaying the character string corresponding to the internal pressure data of the name extraction equipment.
The data display device based on the current time can further comprise:
the first analysis device is arranged on the shell of the name extraction device and used for carrying out field detection operation on the pressure on the shell of the name extraction device so as to obtain first pressure data.
The data display device based on the current time can further comprise:
and the second analysis device is arranged on the shell of the edge enhancement device, the edge enhancement device is positioned on the left side surface of the name extraction device, and the second analysis device is used for performing field detection operation on the pressure on the shell of the edge enhancement device to obtain second pressure data.
The data display device based on the current time can further comprise:
and the third analysis device is arranged on the shell of the targeted correction device, and the targeted correction device is positioned on the right side face of the name extraction device and used for performing field detection operation on the pressure on the shell of the targeted correction device to obtain third pressure data.
The data display device based on the current time can further comprise:
the pressure measurement equipment is respectively connected with the first analysis equipment, the second analysis equipment and the third analysis equipment, and is used for receiving the first pressure data, the second pressure data and the third pressure data and performing weighted estimation operation on the first pressure data, the second pressure data and the third pressure data to obtain internal pressure data of the name extraction equipment;
wherein, in the pressure measurement device, performing a weighted estimation operation on the first pressure data, the second pressure data, and the third pressure data to obtain internal pressure data of the name extraction device includes: multiplying the first pressure data and a first weight value to obtain a first product, multiplying the second pressure data and a second weight value to obtain a second product, multiplying the third pressure data and a third weight value to obtain a third product, and adding the first product, the second product, and the third product to obtain the internal pressure data.
In the data display device based on the current time:
in the pressure measurement device, the first weight value is greater than the second weight value and greater than the third weight value;
in the pressure measurement device, the first weight value ranges from 0.5 to 2, and the second weight value and the third weight value range from 0.25 to 1.
In addition, FPM DRAM (Fast Page Mode RAM): fast page mode memory. Is a memory that was commonly used during time 486 (also used as video memory). 72 lines, 5V voltage, 32bit bandwidth and basic speed of more than 60 ns. His read cycle begins with the triggering of a row in the DRAM array and then moves to the location indicated by the memory address, i.e., contains the desired data. The first message must be validated and stored to the system in preparation for the next cycle. This introduces a "wait state" because the CPU must wait for the memory to complete one cycle foolproof. One important reason for the widespread use of FPM is that it is a standard and safe product and is inexpensive. But the defect of the performance of the memory causes the memory to be replaced by EDODRAM soon, and the video card with the video memory is not existed.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.
Claims (9)
1. A data display apparatus based on a current time, the apparatus comprising:
the dish display equipment is used for inquiring various preferred dishes corresponding to the user names from a dish database based on the received user names and displaying the model and the price of each preferred dish;
in the dish display apparatus, displaying the model and the price of each preferred dish includes: displaying only models and prices of preferred dishes served at the current time;
the FPM DRAM storage device is connected with the dish display device and used for storing relevant information of various dishes supplied by the canteen, and the relevant information of each dish comprises: price of the dish, model of the dish, and serving time period of the dish;
the button camera is arranged above a dish ordering table of the canteen and used for carrying out camera shooting operation on the environment in front of the dish ordering table so as to obtain and output a corresponding environment image in front of the table;
the object detection equipment is connected with the button camera and used for receiving the pre-stage environment image and detecting the objects in the pre-stage environment image so as to divide each object area corresponding to each object from the pre-stage environment image;
the numerical comparison device is connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the object region with the largest area occupying the image of the foreground environment as a representative proportion;
the Freescale MC9S12 chip is respectively connected with the numerical comparison device and the space conversion device and is used for switching the space conversion device from a power saving state to an operating state when the received representative proportion is greater than or equal to a preset proportion threshold;
the Freescale MC9S12 chip is further used for switching the space conversion equipment from the running state to the power saving state when the received representative proportion is smaller than the preset proportion threshold;
the system comprises a space conversion device, a color matching device and a color matching device, wherein the space conversion device is used for receiving a foreground environment image in an operating state and converting an RGB color space into a CMYK color space for the foreground environment image so as to obtain a C channel value, an M channel value, a Y channel value and a K channel value of each pixel point in the foreground environment image;
a targeted correction device, connected to the spatial conversion device, for performing distortion correction processing on the C channel values in the pre-stage environment image to obtain a first processed image, and performing distortion correction processing on the M channel values in the first processed image to obtain a second processed image;
an edge enhancement device connected with the targeted correction device and used for carrying out image edge enhancement on the second processed image to obtain an edge enhanced image;
the name extraction device is connected with the edge enhancement device and used for identifying each face object from the edge enhancement image based on the face imaging characteristics, performing face characteristic identification on the face object with the minimum depth of field in the edge enhancement image to obtain a corresponding user name and sending the user name to the dish display device;
wherein, in the targeted correction apparatus, performing distortion correction processing on a C-channel value in the pre-stage environment image to obtain a first processed image includes: each C channel value of each pixel point in the foreground environment image participates in distortion correction processing, and each M channel value, each Y channel value and each K channel value of each pixel point in the foreground environment image do not participate in distortion correction processing;
wherein, in the targeted correction apparatus, performing distortion correction processing on the M-channel values in the first processed image to obtain a second processed image includes: each M channel value of each pixel point in the first processed image participates in distortion correction processing, and each C channel value, each K channel value and each Y channel value of each pixel point in the first processed image do not participate in distortion correction processing;
the object detection device comprises a data receiving sub-device, a detection execution sub-device, a region division sub-device and a data output sub-device.
2. The data display device according to claim 1, wherein:
in the object detection device, the detection execution sub-device is connected to the data reception sub-device and the region segmentation sub-device, respectively.
3. The data display device according to claim 2, wherein:
in the object detection device, the region segmentation sub-device is connected to the data reception sub-device and the detection execution sub-device, respectively.
4. The device for displaying data based on current time as claimed in claim 3, wherein said device further comprises:
and the LED display equipment is connected with the pressure measuring equipment and used for receiving the internal pressure data of the name extraction equipment and instantly displaying the character string corresponding to the internal pressure data of the name extraction equipment.
5. The device for displaying data based on current time as claimed in claim 4, wherein said device further comprises:
the first analysis device is arranged on the shell of the name extraction device and used for carrying out field detection operation on the pressure on the shell of the name extraction device so as to obtain first pressure data.
6. The device for displaying data based on current time as claimed in claim 5, wherein said device further comprises:
and the second analysis device is arranged on the shell of the edge enhancement device, the edge enhancement device is positioned on the left side surface of the name extraction device, and the second analysis device is used for performing field detection operation on the pressure on the shell of the edge enhancement device to obtain second pressure data.
7. The device for displaying data based on current time as claimed in claim 6, wherein said device further comprises:
and the third analysis device is arranged on the shell of the targeted correction device, and the targeted correction device is positioned on the right side face of the name extraction device and used for performing field detection operation on the pressure on the shell of the targeted correction device to obtain third pressure data.
8. The apparatus for displaying data based on a current time as claimed in claim 7, wherein the apparatus further comprises:
the pressure measurement equipment is respectively connected with the first analysis equipment, the second analysis equipment and the third analysis equipment, and is used for receiving the first pressure data, the second pressure data and the third pressure data and performing weighted estimation operation on the first pressure data, the second pressure data and the third pressure data to obtain internal pressure data of the name extraction equipment;
wherein, in the pressure measurement device, performing a weighted estimation operation on the first pressure data, the second pressure data, and the third pressure data to obtain internal pressure data of the name extraction device includes: multiplying the first pressure data and a first weight value to obtain a first product, multiplying the second pressure data and a second weight value to obtain a second product, multiplying the third pressure data and a third weight value to obtain a third product, and adding the first product, the second product, and the third product to obtain the internal pressure data.
9. The data display device of claim 8, wherein:
in the pressure measurement device, the first weight value is greater than the second weight value and greater than the third weight value;
in the pressure measurement device, the first weight value ranges from 0.5 to 2, and the second weight value and the third weight value range from 0.25 to 1.
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Application publication date: 20200421 |