CN109669650A - The image display method of weighing dot matrix large screen - Google Patents
The image display method of weighing dot matrix large screen Download PDFInfo
- Publication number
- CN109669650A CN109669650A CN201710957878.8A CN201710957878A CN109669650A CN 109669650 A CN109669650 A CN 109669650A CN 201710957878 A CN201710957878 A CN 201710957878A CN 109669650 A CN109669650 A CN 109669650A
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- China
- Prior art keywords
- picture
- large screen
- dot matrix
- weighing
- dot
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- 239000011159 matrix material Substances 0.000 title claims abstract description 65
- 238000005303 weighing Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/90—Dynamic range modification of images or parts thereof
- G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A kind of image display method for dot matrix large screen of weighing, step: 1) being handled picture, is converted into vector artwork format, i.e. bmp format, while the size of picture needs to match with the display specification of weighing dot matrix large screen；2) picture after the standardization of above-mentioned format sizes is successively subjected to gray processing, binary conversion treatment by upper computer software；3) dot-matrix font is converted by the picture after binaryzation be downloaded to weighing dot matrix large screen；4) picture is shown: pictorial information is stored in external EEPROM by weighing dot matrix large screen, is shown according to demand.The present invention passes through special upper computer software, conversion processing is carried out to client's picture, the content of transmission is then the content that large screen is finally shown, processing adjustment is carried out again without large screen, it can be in the case where weighing dot matrix large screen not tape operation system, the customized fast and effective display picture of user can be allowed, while cost is relatively low.
Description
Technical field
The present invention relates to technical field of picture display more particularly to a kind of image display methods for dot matrix large screen of weighing.
Background technique
It is recognized the function of weighing dot matrix large screen now with more and more international customers, can not only show that weight is believed
Breath, moreover it is possible to show the contents such as customer information, advertisement, date, these all greatly improve the surcharge of dot matrix large screen.But
It is that user also proposed some demands for dot matrix large screen: whether can shows pictorial information, such as user's LOGO information.With
Family can download to the picture oneself edited in dot matrix large screen, this can greatly enrich the display letter of dot matrix large screen
Breath.
The dot matrix large screen of now domestic weighing instrument, usually 3 inches, 5 inches and 7 inches, due to by
Originally, the limitation of technology is all not based on operating system exploitation.If necessary to show pictorial information, the method generallyd use is
Customization.Developer needs the picture for providing user by third party software, and formed word module information is made, then again believes this type matrix
Breath is directly fixed in the single-chip microcontroller of dot matrix large screen, and final program at runtime, by calling this cured formed word module information, is shown
The picture of user is shown.
According to existing design scheme, dot matrix large screen display pictorial information is more complicated difficult.Developer can not
Program can be customized to each picture, this cannot achieve.How in the case where existing not tape operation system, energy
It allows the customized fast and effective display picture of user, is a problem of urgent need to resolve.
Through looking into, at present about the spoken and written languages display methods of dot matrix large screen, such as Patent No. CN106021205A
Chinese patent " the spoken and written languages display methods of dot matrix large screen ", but the image display method about dot matrix large screen is so far not
It appears in the newspapers.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of image display methods of dot matrix large screen of weighing, and can claim
Emphasis battle array large screen does not support display pictorial information in the case where tape operation system.
The technical scheme of the invention to solve the technical problem is: a kind of picture for weighing dot matrix large screen is shown
Method, it is characterised in that the following steps are included:
1) picture is handled, is converted into vector artwork format, i.e. bmp format, while the size of picture is needed with weighing
The display specification of dot matrix large screen matches；
2) picture after the standardization of above-mentioned format sizes is successively subjected to gray processing by upper computer software, at binaryzation
Reason；
3) dot-matrix font is converted by the picture after binaryzation be downloaded to weighing dot matrix large screen；
4) picture is shown: pictorial information is stored in external EEPROM by weighing dot matrix large screen, is shown according to demand
Show.
Preferably, the picture format conversion in the step 1) is edited by the drawing software in computer.
As an improvement, the gray processing processing in the step 2) is to make each pixel of picture that can use a byte
(0~255) is indicated.
As an improvement, the binary conversion treatment in the step 2) refers to the value of each pixel, turn according to certain rules
It changes 0 or 1 into, so as to be shown on dot matrix large screen, in the processing of picture binaryzation, increases by two variables,
That is range and threshold value are compared in conjunction with set range with threshold value for the value of each pixel, are more than as 1, no
It is then 0, by the comparison to each pixel, to realize the binary conversion treatment to picture.
Further, the dot-matrix font transmission that converts binaryzation picture in the step 3) is downloaded to dot matrix large screen
Concrete operations are as follows: first by the picture after binaryzation according to weighing dot matrix large screen display require convert, by transverse direction
Storage is converted into longitudinal storage；Followed by increase the dimension information of picture dot-matrix font, including length field；Finally by host computer
Software download is into the external EEPROM of dot matrix large screen
Finally, the picture of the step 4) is shown specifically: for dot matrix large screen of weighing, every picture can be all stored in
It in the specified region of external EEPROM, when needing to show, is read from external EEPROM, the quantity of reading of content is according to aobvious
Depending on the demand shown, if whole screen refreshes, whole 128 byte content of screen is read；If the interior of 2 bytes is read in single-row rolling
Hold.
Compared with the prior art, the advantages of the present invention are as follows: the present invention is by special upper computer software, to client's picture
Conversion processing is carried out, the content of transmission is then the content that large screen is finally shown, carries out processing adjustment again without large screen, can be
Dot matrix large screen weigh not in the case where tape operation system, can allow the customized fast and effective display picture of user, while cost
It is lower.
Specific embodiment
Present invention is further described in detail with reference to embodiments.
A kind of image display method for dot matrix large screen of weighing, suitable for 3 inches, 5 inches and 7 inches of screen, the party
Method is related to weigh dot matrix large screen and upper computer software two parts, since weighing dot matrix large screen itself is without operating system,
It needs the work for converting picture to be transferred in upper computer software to realize, specific steps are as follows:
1) picture is handled, is converted into vector artwork format, i.e. bmp format, while the size of picture is needed with weighing
The display specification of dot matrix large screen matches；
The format type of user's picture is relatively more, and size is different.Therefore picture need to be handled, is converted into polar plot
Piece format, i.e. bmp format；The size of picture need to match with the display specification of dot matrix large screen simultaneously, if large screen is 16*
64 specification, then the pixel of picture also needs the specification for being converted into 16*64；If large screen is the specification of 128*128, picture
Pixel also needs the specification for being converted into 128*128；That is the display specification of dot matrix large screen is identical as picture picture number point；
Above-mentioned conversion can be edited by the drawing software in computer；
2) picture after the standardization of above-mentioned format sizes is successively subjected to gray processing by upper computer software, at binaryzation
Reason:
Most users picture is all coloured picture, is not support display in fact for single-color dot matrix large screen, it is therefore desirable to will
Color image carries out gray processing, binary conversion treatment；
Gray processing processing is to be indicated each pixel of picture can with a byte (0~255)；Binaryzation
Processing is exactly the value of each pixel, is converted into 0 or 1, according to certain rules so as to carry out on dot matrix large screen
Display.In the processing of picture binaryzation, two variables, i.e. range and threshold value are increased.For the value of each pixel, in conjunction with
Set range, is compared with threshold value, is more than as 1, is otherwise 0.By the comparison to each pixel, to realize
To the binary conversion treatment of picture；
Here range and threshold value setting is that comparison is crucial, and the progressive coloured more picture of centering will have a direct impact on final figure
The effect that piece is shown.
3) dot-matrix font is converted by the picture after binaryzation be downloaded to weighing dot matrix large screen:
First the picture after binaryzation is required to convert according to the display of dot matrix large screen, be converted by laterally storage
Longitudinal storage；Followed by increase the dimension information of picture dot-matrix font, including length field；It is downloaded to finally by upper computer software
In the external EEPROM of dot matrix large screen；
4) picture is shown: pictorial information is stored in external EEPROM by weighing dot matrix large screen, is shown according to demand
Show:
For dot matrix large screen of weighing, every picture can all be stored in the specified region of external EEPROM, need to show
When, it is read from external EEPROM；The quantity of reading of content, if whole screen refreshes, is read depending on the demand of display
It is rounded 128 byte contents of screen；If the content of 2 bytes is read in single-row rolling.
The image display method of weighing dot matrix large screen of the invention, can be in weighing dot matrix large screen in not tape operation system
Under the premise of, after the customized editing picture of user, by special upper computer software, conversion processing is carried out to client's picture, under
It is loaded onto weighing dot matrix large screen and is shown, the content of transmission is then the content that large screen is finally shown, again without large screen
Carry out processing adjustment.
Claims (6)
1. a kind of image display method for dot matrix large screen of weighing, it is characterised in that the following steps are included:
1) picture is handled, is converted into vector artwork format, i.e. bmp format, while the size of picture is needed with weighing dot matrix
The display specification of large screen matches；
2) picture after the standardization of above-mentioned format sizes is successively subjected to gray processing, binary conversion treatment by upper computer software；
3) dot-matrix font is converted by the picture after binaryzation be downloaded to weighing dot matrix large screen；
4) picture is shown: pictorial information is stored in external EEPROM by weighing dot matrix large screen, is shown according to demand.
2. image display method according to claim 1, it is characterised in that: the picture format in the step 1), which is converted, is
It is edited by the drawing software in computer.
3. image display method according to claim 1, it is characterised in that: the gray processing processing in the step 2) is to make
Each pixel of picture is indicated with a byte (0~255).
4. image display method according to claim 1, it is characterised in that: the binary conversion treatment in the step 2) refers to
The value of each pixel is converted into 0 or 1 according to certain rules, so as to be shown on dot matrix large screen, is scheming
In the processing of piece binaryzation, increase by two variables, i.e. range and threshold value, for the value of each pixel, in conjunction with set model
It encloses, is compared with threshold value, be more than as 1, be otherwise 0, by the comparison to each pixel, to realize to the two of picture
Value processing.
5. image display method according to claim 1, it is characterised in that: turn binaryzation picture in the step 3)
Turn to the concrete operations that dot-matrix font transmission is downloaded to dot matrix large screen are as follows: first by the picture after binaryzation according to weighing dot matrix
The display of large screen requires to be converted, and is converted into longitudinal storage by laterally storage；Followed by increase the ruler of picture dot-matrix font
Very little information, including length field；It is downloaded in the external EEPROM of dot matrix large screen finally by upper computer software.
6. image display method according to claim 1, it is characterised in that: the picture of the step 4) is shown specifically:
For dot matrix large screen of weighing, every picture can be all stored in the specified region of external EEPROM, when needing to show, from outside
It is read in EEPROM, the quantity of reading of content, if whole screen refreshes, reads whole screen 128 depending on the demand of display
Byte content；If the content of 2 bytes is read in single-row rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957878.8A CN109669650A (en) | 2017-10-16 | 2017-10-16 | The image display method of weighing dot matrix large screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957878.8A CN109669650A (en) | 2017-10-16 | 2017-10-16 | The image display method of weighing dot matrix large screen |
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| Publication Number | Publication Date |
|---|---|
| CN109669650A true CN109669650A (en) | 2019-04-23 |
Family
ID=66140067
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957878.8A Pending CN109669650A (en) | 2017-10-16 | 2017-10-16 | The image display method of weighing dot matrix large screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113806278A (en) * | 2021-09-13 | 2021-12-17 | 珠海趣印科技有限公司 | Word stock chip processing method capable of arbitrarily changing vector word stock and word stock chip |
| WO2024088132A1 (en) * | 2022-10-25 | 2024-05-02 | 维沃移动通信有限公司 | Target-image display method and display apparatus, and electronic device and storage medium |
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| US20050289182A1 (en) * | 2004-06-15 | 2005-12-29 | Sand Hill Systems Inc. | Document management system with enhanced intelligent document recognition capabilities |
| CN101064800A (en) * | 2006-04-29 | 2007-10-31 | 东杰电气(上海)有限公司 | Method for displaying special sign on screen |
| CN101419715A (en) * | 2008-11-28 | 2009-04-29 | 深圳创维数字技术股份有限公司 | Method and device for generating character or graphic dot matrix |
| CN105701491A (en) * | 2014-11-25 | 2016-06-22 | 上海思鲨信息科技有限公司 | Method for making fixed-format document image template and application thereof |
| CN106021205A (en) * | 2016-06-17 | 2016-10-12 | 宁波柯力传感科技股份有限公司 | Language and character display method for large dot matrix screen |
| CN106569755A (en) * | 2016-10-26 | 2017-04-19 | 深圳盒子支付信息技术有限公司 | Printing method and printing deice for mobile payment terminal |
-
2017
- 2017-10-16 CN CN201710957878.8A patent/CN109669650A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050289182A1 (en) * | 2004-06-15 | 2005-12-29 | Sand Hill Systems Inc. | Document management system with enhanced intelligent document recognition capabilities |
| CN101064800A (en) * | 2006-04-29 | 2007-10-31 | 东杰电气(上海)有限公司 | Method for displaying special sign on screen |
| CN101419715A (en) * | 2008-11-28 | 2009-04-29 | 深圳创维数字技术股份有限公司 | Method and device for generating character or graphic dot matrix |
| CN105701491A (en) * | 2014-11-25 | 2016-06-22 | 上海思鲨信息科技有限公司 | Method for making fixed-format document image template and application thereof |
| CN106021205A (en) * | 2016-06-17 | 2016-10-12 | 宁波柯力传感科技股份有限公司 | Language and character display method for large dot matrix screen |
| CN106569755A (en) * | 2016-10-26 | 2017-04-19 | 深圳盒子支付信息技术有限公司 | Printing method and printing deice for mobile payment terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113806278A (en) * | 2021-09-13 | 2021-12-17 | 珠海趣印科技有限公司 | Word stock chip processing method capable of arbitrarily changing vector word stock and word stock chip |
| WO2024088132A1 (en) * | 2022-10-25 | 2024-05-02 | 维沃移动通信有限公司 | Target-image display method and display apparatus, and electronic device and storage medium |
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Application publication date: 20190423 |