CN111027362B - Hierarchical display platform of handheld mobile terminal - Google Patents
Hierarchical display platform of handheld mobile terminal Download PDFInfo
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- CN111027362B CN111027362B CN201910346725.9A CN201910346725A CN111027362B CN 111027362 B CN111027362 B CN 111027362B CN 201910346725 A CN201910346725 A CN 201910346725A CN 111027362 B CN111027362 B CN 111027362B
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- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000013507 mapping Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000007781 pre-processing Methods 0.000 claims description 12
- 238000003707 image sharpening Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 235000020061 kirsch Nutrition 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- G06T5/73—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/17—Image acquisition using hand-held instruments
Abstract
The invention relates to a hierarchical display platform of a handheld terminal, which comprises: the grade acquisition equipment is used for respectively matching each user standard appearance with the radian adjustment image so as to output the user name corresponding to the user standard appearance with the highest matching degree as a reference name; the signal mapping equipment is used for acquiring the access authority level corresponding to the reference name, wherein the higher the access authority level is, the higher the access authority of the corresponding user is; and the icon switching equipment is used for determining the corresponding icon display number based on the received access authority level. The handheld terminal grading display platform has clear logic and certain automation level. On the basis of targeted image processing, the display quantity of the application program icons on the display screen of the intelligent terminal is dynamically modified based on the recognized current user level, so that different services can be provided for users with different authorities.
Description
Technical Field
The invention relates to the field of handheld terminals, in particular to a hierarchical display platform of a handheld mobile terminal.
Background
The handheld terminal refers to a portable data processing terminal with the following characteristics: operating systems such as WINDOWS Mobile6.1/6.5WinCE5.0/6.0, LINUX, Android, ucos and the like; memory, CPU, display card, etc.; a screen and a keyboard; data transmission processing capacity; the battery is arranged in the mobile phone, and the mobile phone can be used in a mobile way.
Generally, handheld terminals can be classified into industrial-grade handheld terminals and consumer handheld terminals. The performance, stability and durability of the industrial-grade hand-held terminal are better than those of the consumer-grade hand-held terminal. The industrial handheld terminal comprises an industrial PDA, a bar code handheld terminal, an RFID handheld middle-distance all-in-one machine and the like. The industrial characteristic is that the product is firm and durable, can be used in a plurality of places with severe environment, and simultaneously, a plurality of optimization are carried out according to the industrial use characteristic. The industrial-grade hand-held terminal can simultaneously support RFID reading and writing and bar code scanning functions, and has an IP64 industrial grade, which are not possessed by the consumer hand-held terminal. The consumer handheld terminal mainly refers to a smart phone, a palm computer, a tablet computer and the like.
Disclosure of Invention
The invention needs to have the following important invention points:
(1) in order to realize hierarchical management of user rights of the intelligent terminal and enhance authenticity of user identity verification, on the basis of targeted image processing, the display quantity of application icons on a display screen of the intelligent terminal is dynamically modified based on recognized current user levels, so that different services are provided for users with different rights;
(2) and entering VHDL paragraphs running different image sharpening functions based on the number of the current columns of the received image, so that when the image data to be processed is excessive, a sharpening processing mechanism of a simple mechanism is selected, and the situation that the image data is involved in complicated image processing is avoided.
According to an aspect of the present invention, there is provided a hierarchical display platform for a handheld terminal, the platform comprising:
the grade acquisition equipment is connected with the curve processing equipment and is used for respectively matching each user standard appearance with the radian adjustment image so as to output the user name corresponding to the user standard appearance with the highest matching degree as a reference name;
the signal mapping equipment is connected with the level acquiring equipment and is used for acquiring the access authority level corresponding to the reference name, wherein the higher the access authority level is, the higher the access authority level of the corresponding user is;
the icon switching equipment is respectively connected with the signal mapping equipment and the display screen of the intelligent terminal and is used for determining the corresponding icon display quantity based on the received access authority level;
in the icon switching apparatus, determining the corresponding number of displayed icons based on the received access authority level includes: the higher the received access authority level is, the more the corresponding icons are displayed;
the pinhole acquisition equipment is embedded at the front end of the intelligent terminal and is used for acquiring image data of front-end scenes of the intelligent terminal so as to obtain and output corresponding scene acquisition images;
the signal analysis equipment is connected with the pinhole acquisition equipment and used for receiving the scene acquisition image and measuring the number of columns of the scene acquisition image so as to obtain and output the corresponding current number of columns;
the data conversion equipment is connected with the signal analysis equipment and used for receiving the current column number and sending out a first control signal when the current column number exceeds a preset number threshold;
the DDR storage device is connected with the data conversion device and is used for pre-storing the preset quantity threshold value;
the data conversion equipment is further used for sending a second control signal when the current column number does not exceed the preset number threshold;
and the programmable logic device is designed by adopting a VHDL language, is respectively connected with the signal analysis equipment and the data conversion equipment, and is used for operating a VHDL paragraph executing image sharpening operation based on a Kirsch operator to execute image sharpening operation on a received scene acquisition image when receiving a first control signal so as to obtain and output a corresponding self-adaptive sharpened image.
The handheld terminal grading display platform has clear logic and certain automation level. On the basis of targeted image processing, the display quantity of the application program icons on the display screen of the intelligent terminal is dynamically modified based on the recognized current user level, so that different services can be provided for users with different authorities.
Detailed Description
The following describes an embodiment of the hierarchical display platform of the handheld terminal according to the present invention in detail.
In general, an intelligent terminal is a type of embedded computer system device, and therefore, the architecture framework of the intelligent terminal is consistent with the architecture of an embedded system; meanwhile, the intelligent terminal is used as an application direction of the embedded system, and the application scene setting is clear, so that the system structure is more clear than that of a common embedded system, the granularity is finer, and the system has certain characteristics.
From the viewpoint of hardware, the intelligent terminal is also a von neumann structure which is a classic architecture of a computer, that is, the intelligent terminal is composed of 5 major components, namely, an arithmetic Unit (Calculator), a Controller (Controller), a Memory (Memory), an Input Device (Input Device) and an Output Device (Output Device), wherein the Calculator and the Controller form a Central Processing Unit (CPU) which is a core component of the computer.
At present, the authority management of the intelligent terminal user is not realistic enough, for example, an unauthorized user can log in and operate randomly by using a password and a user name of an authorized user, an instant intelligent terminal adopts a multiple encryption mechanism, and in addition, the hierarchical management of the authority of the intelligent terminal user cannot be realized, so that the authority of the users in different levels is the same.
In order to overcome the defects, the invention builds a hierarchical display platform for the handheld terminal, and can effectively solve the corresponding technical problem.
The hierarchical display platform of the handheld terminal shown according to the embodiment of the invention comprises:
the grade acquisition equipment is connected with the curve processing equipment and is used for respectively matching each user standard appearance with the radian adjustment image so as to output the user name corresponding to the user standard appearance with the highest matching degree as a reference name;
the signal mapping equipment is connected with the level acquiring equipment and is used for acquiring the access authority level corresponding to the reference name, wherein the higher the access authority level is, the higher the access authority level of the corresponding user is;
the icon switching equipment is respectively connected with the signal mapping equipment and the display screen of the intelligent terminal and is used for determining the corresponding icon display quantity based on the received access authority level;
in the icon switching apparatus, determining the corresponding number of displayed icons based on the received access authority level includes: the higher the received access authority level is, the more the corresponding icons are displayed;
the pinhole acquisition equipment is embedded at the front end of the intelligent terminal and is used for acquiring image data of front-end scenes of the intelligent terminal so as to obtain and output corresponding scene acquisition images;
the signal analysis equipment is connected with the pinhole acquisition equipment and used for receiving the scene acquisition image and measuring the number of columns of the scene acquisition image so as to obtain and output the corresponding current number of columns;
the data conversion equipment is connected with the signal analysis equipment and used for receiving the current column number and sending out a first control signal when the current column number exceeds a preset number threshold;
the DDR storage device is connected with the data conversion device and is used for pre-storing the preset quantity threshold value;
the data conversion equipment is further used for sending a second control signal when the current column number does not exceed the preset number threshold;
the programmable logic device is designed by adopting a VHDL language, is respectively connected with the signal analysis equipment and the data conversion equipment, and is used for operating a VHDL paragraph which executes image sharpening operation based on a Kirsch operator to execute image sharpening operation on a received scene acquisition image when receiving a first control signal so as to obtain and output a corresponding self-adaptive sharpened image;
in the programmable logic device, a VHDL paragraph for executing image sharpening operation based on Kirsch operator consists of a plurality of VHDL sentences, and a VHDL paragraph for executing sharpening processing in the vertical direction also consists of a plurality of VHDL sentences;
the programmable logic device is further used for operating the VHDL paragraph which executes sharpening processing in the vertical direction to execute image sharpening operation on the received scene acquisition image when receiving a second control signal so as to obtain and output a corresponding self-adaptive sharpened image;
the cubic polynomial interpolation equipment is connected with the programmable logic device and used for executing cubic polynomial interpolation processing on the received self-adaptive sharpened image so as to obtain and output a corresponding cubic polynomial interpolation image;
the curve processing equipment is connected with the cubic polynomial interpolation equipment and is used for adjusting the maximum radian of each curve in the received cubic polynomial interpolation image to be less than or equal to a preset radian threshold value so as to obtain and output a corresponding radian adjustment image;
and when the display screen of the intelligent terminal receives the icon display quantity, displaying the application program icons with the quantity consistent with the icon display quantity in real time.
Next, the detailed structure of the hierarchical display platform of the handheld terminal according to the present invention will be further described.
The hierarchical display platform of the handheld terminal can further comprise:
a first pre-processing device connected with the curve processing device for receiving the radian adjustment image, detecting the noise distribution condition in the radian adjustment image to determine the maximum amplitude of the noise in the radian adjustment image on the left half of the radian adjustment image and the maximum amplitude of the noise in the radian adjustment image on the right half of the radian adjustment image, and comparing the maximum amplitude of the noise in the radian adjustment image on the left half of the radian adjustment image with the maximum amplitude of the noise in the radian adjustment image on the right half of the radian adjustment image, when the maximum amplitude of the noise in the radian adjustment image in the left half image of the radian adjustment image is larger than the maximum amplitude of the noise in the radian adjustment image in the right half image of the radian adjustment image, a left side distribution signal is sent; the first preprocessing device is further used for sending a right side distribution signal when the maximum amplitude of the noise in the radian adjustment image in the left half image of the radian adjustment image is smaller than or equal to the maximum amplitude of the noise in the radian adjustment image in the right half image of the radian adjustment image.
The hierarchical display platform of the handheld terminal can further comprise:
and the second preprocessing device is connected with the first preprocessing device and used for determining a directional search window based on the maximum amplitude of the left half image of the radian adjustment image when the left distribution signal is received, wherein the directional search window is the left half window of a square pixel point window, and the side length of the square pixel point window is in direct proportion to the maximum amplitude of the left half image of the radian adjustment image.
The hierarchical display platform of the handheld terminal can further comprise:
and the data acquisition equipment is respectively connected with the first preprocessing equipment and the second preprocessing equipment, and takes each pixel point of the radian adjustment image as a pixel point to be processed to acquire each search pixel point of the pixel point to be processed.
The hierarchical display platform of the handheld terminal can further comprise:
and the data processing equipment is connected with the data acquisition equipment and used for acquiring the mean value of all pixel values of all searching pixels of the pixels to be processed to be used as the directional filtering pixel value of the pixels to be processed and determining the data processing image corresponding to the radian adjustment image based on the directional filtering pixel value of each pixel in the radian adjustment image.
In the handheld terminal hierarchical display platform:
the data processing device is also connected with the level acquisition device and used for replacing the radian adjustment image with the data processing image and sending the radian adjustment image to the level acquisition device.
In the handheld terminal hierarchical display platform:
in the second preprocessing device, each searching pixel point is in the directional searching window of the pixel point to be processed, and the pixel point to be processed is in the center position of the square pixel point window corresponding to the directional searching window.
In the handheld terminal hierarchical display platform:
respectively realizing the first preprocessing device, the second preprocessing device, the data acquisition device and the data processing device by adopting SOC chips with different models;
the first preprocessing device is further configured to determine a directional search window based on the maximum amplitude of the right half image of the radian-adjusted image when the right-side distribution signal is received, where the directional search window is a right half window of a square pixel point window, and a side length of the square pixel point window is in direct proportion to the maximum amplitude of the right half image of the radian-adjusted image.
In addition, DDR Double Data Rate SDRAM. Strictly speaking, DDR shall be referred to as DDR SDRAM, which is an abbreviation of Synchronous Dynamic Random Access Memory, and is commonly referred to as DDR. DDR SDRAM, however, is an abbreviation for Double Data Rate SDRAM, meaning Double-Rate synchronous dynamic random access memory. DDR memory is developed on the basis of SDRAM memory, and SDRAM production system is still used, so for memory manufacturers, DDR memory production can be realized only by slightly improving equipment for manufacturing common SDRAM, and cost can be effectively reduced. Double Data Rate: compared with the traditional single data rate, the DDR technology realizes two read/write operations in one clock cycle, namely, the read/write operations are respectively executed once on the rising edge and the falling edge of the clock.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. A hierarchical display platform for a handheld terminal, the platform comprising:
the grade acquisition equipment is connected with the curve processing equipment and is used for respectively matching each user standard appearance with the radian adjustment image so as to output the user name corresponding to the user standard appearance with the highest matching degree as a reference name;
the signal mapping equipment is connected with the level acquiring equipment and is used for acquiring the access authority level corresponding to the reference name, wherein the higher the access authority level is, the higher the access authority level of the corresponding user is;
the icon switching equipment is respectively connected with the signal mapping equipment and the display screen of the intelligent terminal and is used for determining the corresponding icon display quantity based on the received access authority level;
in the icon switching apparatus, determining the corresponding number of displayed icons based on the received access authority level includes: the higher the received access authority level is, the more the corresponding icons are displayed;
the pinhole acquisition equipment is embedded at the front end of the intelligent terminal and is used for acquiring image data of front-end scenes of the intelligent terminal so as to obtain and output corresponding scene acquisition images;
the signal analysis equipment is connected with the pinhole acquisition equipment and used for receiving the scene acquisition image and measuring the number of columns of the scene acquisition image so as to obtain and output the corresponding current number of columns;
the data conversion equipment is connected with the signal analysis equipment and used for receiving the current column number and sending out a first control signal when the current column number exceeds a preset number threshold;
the DDR storage device is connected with the data conversion device and is used for pre-storing the preset quantity threshold value;
the data conversion equipment is further used for sending a second control signal when the current column number does not exceed the preset number threshold;
the programmable logic device is designed by adopting a VHDL language, is respectively connected with the signal analysis equipment and the data conversion equipment, and is used for operating a VHDL paragraph which executes image sharpening operation based on a Kirsch operator to execute image sharpening operation on a received scene acquisition image when receiving a first control signal so as to obtain and output a corresponding self-adaptive sharpened image;
in the programmable logic device, a VHDL paragraph for executing image sharpening operation based on Kirsch operator consists of a plurality of VHDL sentences, and a VHDL paragraph for executing sharpening processing in the vertical direction also consists of a plurality of VHDL sentences;
the programmable logic device is further used for operating the VHDL paragraph which executes sharpening processing in the vertical direction to execute image sharpening operation on the received scene acquisition image when receiving a second control signal so as to obtain and output a corresponding self-adaptive sharpened image;
the cubic polynomial interpolation equipment is connected with the programmable logic device and used for executing cubic polynomial interpolation processing on the received self-adaptive sharpened image so as to obtain and output a corresponding cubic polynomial interpolation image;
the curve processing equipment is connected with the cubic polynomial interpolation equipment and is used for adjusting the maximum radian of each curve in the received cubic polynomial interpolation image to be less than or equal to a preset radian threshold value so as to obtain and output a corresponding radian adjustment image;
and when the display screen of the intelligent terminal receives the icon display quantity, displaying the application program icons with the quantity consistent with the icon display quantity in real time.
2. The handheld terminal hierarchical display platform according to claim 1, wherein the platform further comprises:
a first pre-processing device connected with the curve processing device for receiving the radian adjustment image, detecting the noise distribution condition in the radian adjustment image to determine the maximum amplitude of the noise in the radian adjustment image on the left half of the radian adjustment image and the maximum amplitude of the noise in the radian adjustment image on the right half of the radian adjustment image, and comparing the maximum amplitude of the noise in the radian adjustment image on the left half of the radian adjustment image with the maximum amplitude of the noise in the radian adjustment image on the right half of the radian adjustment image, when the maximum amplitude of the noise in the radian adjustment image in the left half image of the radian adjustment image is larger than the maximum amplitude of the noise in the radian adjustment image in the right half image of the radian adjustment image, a left side distribution signal is sent; the first preprocessing device is further used for sending a right side distribution signal when the maximum amplitude of the noise in the radian adjustment image in the left half image of the radian adjustment image is smaller than or equal to the maximum amplitude of the noise in the radian adjustment image in the right half image of the radian adjustment image.
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