CN104243889B - Infrared thermal imaging movement digital signal transmission format match method - Google Patents
Infrared thermal imaging movement digital signal transmission format match method Download PDFInfo
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- CN104243889B CN104243889B CN201410565944.3A CN201410565944A CN104243889B CN 104243889 B CN104243889 B CN 104243889B CN 201410565944 A CN201410565944 A CN 201410565944A CN 104243889 B CN104243889 B CN 104243889B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
Infrared thermal imaging movement digital signal transmission format match method, including data conversion step and data output step, the data conversion step include：S1. configure to form data conversion table according to the gradation data of input and the display data form that will be exported；S2. the output clock periodicity measurer and output timing of single pixel are configured, forms pixel time-scale；S3. output hardware interface line mapping table is configured；The data output step includes：S4. the gradation data of input is converted into display data by the data conversion table in S1；S5. the hardware interface line mapping table in S4 reconfigures to the display data for converting to obtain in S4 each data wire of hardware interface；S6. the pixel time-scale timesharing output in S2.The present invention does not increase any unnecessary hardware, and according to software design patterns real-time update data, arithmetic speed is fast, and the form of needs can be expanded according to application demand, versatile.
Description
Technical field
The invention belongs to field of image transmission, is related to infrared thermal imaging data transmission method, particularly a kind of infrared heat into
Camera core digital signal transmission format match method.
Background technology
Typical infrared thermal imaging movement is by front end infrared lens, infrared image sensor and front end infrared image processing electricity
Road forms.The infra-red radiation of object is collected by infrared lens and projects infrared image sensor, and infrared sensor completes photoelectricity
Conversion, and it is changed into electric signal by analog to digital conversion circuit, looked into by Nonuniformity Correction, digital filtering, image enhaucament and pseudo- coloured silk
Exported after table transform through video interface.Back-end image application processor receives the vision signal from infrared movement, by inside
The functions such as transmission, display and storage are completed according to application demand after post processing of image.
For the digital visual interface of image application processor, a variety of transformats are generally supported, such as RGB, YUV, YCbCr
Deng, and every kind of form is divided into some subformats, as RGB888, RGB565, RGB555, RGB444, YUV444, YUV422,
Any inverted orders of RGB/YUV/YCbCr also be present in YUV420 etc., same form.The bit wide of data/address bus generally has 24
Position, 16,10,8 etc. it is a variety of, each pixel can be divided into single clock cycle transmission, doubleclocking periodic transfer, three clock cycle
Transmission etc..
So various interface modes can only do the form of support one set when allowing existing movement to design, by soft
Part carries out multi-path choice by register.Due to the variation of application platform, this form set is often simply one of sub
Collection, collocation of the movement with different images application processor when application is limited, is particularly put down in some ripe
Platform or design limitation（Such as interface bit wide）In the case of to increase the system of infrared image acquisition function, may just need pair
Movement enters line interface redesign, increases the workload of secondary development.
The content of the invention
To overcome coffret during existing infrared thermal imaging video signal transmission to fix, versatility is not strong and secondary opens
The technological deficiency for hardly possible of feeling sleepy, the invention discloses a kind of infrared thermal imaging movement digital signal transmission format match method.
Infrared thermal imaging movement digital signal transmission format match method of the present invention, it is characterised in that including
Data conversion step and data output step, the data conversion step include：
S1. configure to form data conversion table according to the gradation data of input and the display data form that will be exported；
S2. the output clock periodicity measurer and output timing of single pixel are configured, forms pixel time-scale；
S3. output hardware interface line mapping table is configured；
The data output step includes：
S4. the gradation data of input is converted into display data by the data conversion table in S1；
S5. the display data for converting to obtain in S4 is reconfigured to hardware and connect by the hardware interface line mapping table in S4
Each data wire of mouth；
S6. the pixel time-scale timesharing output in S2.
Preferably, the display data form in the step S1 is color data, and the color data includes but is not limited to
Any one under RGB, YUV, YCbCr transformat sequence.
Preferably, the unprocessed form of the display data is grayscale format.
Further, the step S1 and S4 is omitted.
Specifically, the step S5 is specially：
S51. several mapping registers are set according to data conversion table and pixel time-scale, each mapping register corresponds to
The numbering for the hardware interface line that one display data bit will map；
S52. each bit of display data is re-assigned on hardware interface line according to respective mapping register.
Using infrared thermal imaging movement digital signal transmission format match method of the present invention, do not increase any
Unnecessary hardware, it is fast according to software design patterns real-time update data, arithmetic speed.Support the digital video output of arbitrary format, interface
Simply, format combination is carried out using two-stage logic of tabling look-up, and software can expand the form of needs according to application demand, lead to
It is strong with property.
Brief description of the drawings
Fig. 1 is a kind of specific real of infrared thermal imaging movement digital signal transmission format match method of the present invention
Apply schematic diagram；
Fig. 2 is the video frequency signal time sequence schematic diagram that the present invention exports.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in further detail.
Infrared thermal imaging movement digital signal transmission format match method of the present invention, including data conversion step
With data output step, the data conversion step includes：
S1. configure to form data conversion table according to the gradation data of input and the display data form that will be exported；
The voltage signal of infrared sensor output is grayscale format, but in video receiver, generally in the form of coloured image
Or other are adapted to the form of output equipment requirement to be shown, when being shown with coloured image, it is necessary to which gradation data is converted into
Color format data, i.e., carry out assignment again, shape using gradation data as according to the display rule definition according to output color data
It is so-called pseudo- color into pseudo- color table, it is the defined color data numerical value based on gradation data.
S2. the output clock periodicity measurer and output timing of single pixel are configured, forms pixel time-scale；
During output, the display of each pixel may include the clock cycle of more than 1, such as pixel is shown by 16 data
Show, then can be shown in two clock cycle, each clock cycle shows first eight bits and rear eight bit data respectively.
S3. output hardware interface line mapping table is configured；The data configured are provided according to hardware interface and display protocol
The hardware interface line of corresponding output is set to byte in data.
The data output step includes：
S4. the gradation data of input is converted into display data by the data conversion table in S1；
S5. the display data for converting to obtain in S4 is reconfigured to hardware and connect by the hardware interface line mapping table in S4
Each data wire of mouth；
S6. the pixel time-scale timesharing output in S2.
Display data form in the step S1 is color data, the color data include but is not limited to RGB, YUV,
YCbCr, any one under transformat sequence, such as RGB888, RGB565, RGB555, RGB444, YUV444, YUV422,
YUV420 etc..
, can be without conversion data form again, as shown in figure 1, omitting when display data form is also grayscale format
Above-mentioned steps S1 and S4, the gradation data of input is directly entered into row clock configuration and configures and shows with hardware interface line.
The step S5 is as shown in figure 1, the data format that software is shown as needed is pre-configured with mapping register, hardware
Each bit of display data is re-assigned on hardware interface line according to the mapping register configured, is specially：
S51. several mapping registers are set according to data conversion table and pixel time-scale, each mapping register corresponds to
The numbering for the hardware interface line that one display data bit will map；
S52., display data is stored in register respectively by each bit of display data according to respective mapping register
It is re-assigned on hardware interface line；
Embodiment 1：With 16 interface bus, a pixel is divided to exemplified by two clock cycle output RGB666 forms.
Final coloured image output data call format is as follows：
Step is as follows：
1. the pseudo- color table of configuration,
For color data format, because the data of infrared sensor output are only black and white grayscale format, after
Continuous output data is defined using gray scale to color, it is necessary to which gradation data to be converted into the data of color format, this implementation
RGB666 is exported in example, the actual data translation table of the present embodiment is pseudo- color table, is quantified as following form, the present embodiment is with 8
Original gradation form, the form after pseudo-color conversion is RGB888.
2. it is each 2 clock cycle of pixel to configure pixel clock period register
3. configure output hardware interface line mapping table
For 16 interface bus and two cycle display pixels, 16x2=32 hardware interface line is co-existed in, therefore map
Table is set as 32 registers in this example, and the data RGB888 after pseudo- color conversion has 24, therefore each register bit wide
5 are needed, the corresponding pseudo- color formatted data position of its intermediate value 0 ~ 23, to increase debugging function, value 24 ~ 27 can be defined as testing position
0, value 28 ~ 31 is defined as testing position 1, is labeled as：
MAP_IDXi (i=0,1,2 ... 31), subscript i are the value of register；
Wherein the value 0 ~ 23 of register corresponds to the data bit in 1 after pseudo-color conversion respectively.Register value 24 ~ 27 is mapped as
For data 0, register value 28 ~ 31 is mapped as data 1,
Wherein MAP_IDX0 ~ MAP_IDX15 corresponding first clock cycle；MAP_IDX16 ~ MAP_IDX31 corresponding second
The individual clock cycle
The configuration of hardware interface line mapping table is as follows：
Such as the definition of foregoing the present embodiment output format, 16 interface bus, two cycles export RGB666, each cycle
It is often 0 that high-order interface line 15 ~ 9, which forces output,
Embodiment 2：With 8 interface bus, three clock cycle an of pixel point are exported exemplified by YCbCr444 forms.
Call format is as follows：
Step is as follows：
1. the pseudo- color table of configuration, because output YCbCr format, form are as follows
2. it is each 3 clock cycle of pixel to configure pixel clock period register；
3. configure interface bus mapping table
Mapping table is set as the register of 32 5 in this example, is labeled as：
MAP_IDXi (i=0,1,2 ... 31), subscript i are the value of register；
The value 0 ~ 23 of register corresponds to the data bit in 1 after pseudo-color conversion respectively.Register value 24 ~ 27 is mapped as number
According to 0, register value 28 ~ 31 is mapped as data 1,
Wherein MAP_IDX0 ~ MAP_IDX7 corresponding first clock cycle；
Wherein MAP_IDX8 ~ MAP_IDX15 corresponding second clock cycle；
Wherein MAP_IDX16 ~ MAP_IDX23 corresponding 3rd clock cycle；
Mapping table configuration is as follows：
Disclosed in this invention embodiment description method or can directly use hardware, computing device the step of algorithm
Software module, or the two combination implemented.Software module can be placed in random access memory（RAM）, internal memory, read-only storage
Device（ROM）, electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology neck
In any other form of storage medium well known in domain.
Using infrared thermal imaging movement digital signal transmission format match method of the present invention, do not increase any
Unnecessary hardware, it is fast according to software design patterns real-time update data, arithmetic speed.Support the digital video output of arbitrary format, interface
Simply, format combination is carried out using two-stage logic of tabling look-up, and software can expand the form of needs according to application demand, lead to
It is strong with property.
Previously described each preferred embodiment for the present invention, if the preferred embodiment in each preferred embodiment
It is not obvious contradictory or premised on a certain preferred embodiment, each preferred embodiment can any stack combinations
Use, the design parameter in the embodiment and embodiment merely to clearly state the invention verification process of inventor, and
The scope of patent protection of the limitation present invention is not used to, scope of patent protection of the invention is still defined by its claims, all
It is the equivalent structure change made with the specification and accompanying drawing content of the present invention, similarly should be included in the protection model of the present invention
In enclosing.
Claims (4)
1. infrared thermal imaging movement digital signal transmission format match method, it is characterised in that including data conversion step
With data output step, the data conversion step includes：
S1. configure to form data conversion table according to the gradation data of input and the display data form that will be exported；
S2. the output clock periodicity measurer and output timing of single pixel are configured, forms pixel time-scale；
S3. output hardware interface line mapping table is configured；
The data output step includes：
S4. the gradation data of input is converted into display data by the data conversion table in S1；
S5. the display data for converting to obtain in S4 is reconfigured to hardware by the hardware interface line mapping table in S3
Each data wire of interface；
S6. the pixel time-scale timesharing output in S2；
The step S5 is specially：
S51. several mapping registers, each mapping register corresponding one are set according to data conversion table and pixel time-scale
The numbering for the hardware interface line that individual display data bit will map；
S52. each bit of display data is re-assigned on hardware interface line according to respective mapping register.
2. the infrared thermal imaging movement digital signal transmission format match method as described in claim 1, its feature exist
In, the display data form in the step S1 be color data, the color data include but is not limited to RGB, YUV,
Any one under YCbCr transformat sequences.
3. the infrared thermal imaging movement digital signal transmission format match method as described in claim 1, its feature exist
In the unprocessed form of the display data is grayscale format.
4. the infrared thermal imaging movement digital signal transmission format match method as described in claim 3, its feature exist
In omitting the step S1 and S4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410565944.3A CN104243889B (en) | 2014-10-22 | 2014-10-22 | Infrared thermal imaging movement digital signal transmission format match method |
| PCT/CN2015/070603 WO2016061915A1 (en) | 2014-10-22 | 2015-01-13 | Method for matching digital video signal transmission format of infrared thermal imaging machine core |
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| CN201410565944.3A CN104243889B (en) | 2014-10-22 | 2014-10-22 | Infrared thermal imaging movement digital signal transmission format match method |
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| CN104243889B (en) * | 2014-10-22 | 2018-01-30 | 成都市晶林科技有限公司 | Infrared thermal imaging movement digital signal transmission format match method |
| CN109963066A (en) * | 2017-12-25 | 2019-07-02 | 深圳市祈飞科技有限公司 | A kind of image obtains analytic method and system |
| CN111800597B (en) * | 2020-05-29 | 2022-04-22 | 红鼎互联(广州)信息科技有限公司 | Infrared thermal imaging movement digital video signal transmission format matching method |
| CN115132119B (en) * | 2022-08-30 | 2022-11-29 | 常州集励微电子科技有限公司 | Control method and device for displaying image |
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| CN2605635Y (en) * | 2002-09-30 | 2004-03-03 | 杭州士兰微电子股份有限公司 | General lattice liquid crystal display device and its application software developing system |
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| CN101127888A (en) * | 2007-08-23 | 2008-02-20 | 深圳华强信息产业有限公司 | Onboard image collection device |
| CN103279938A (en) * | 2013-04-03 | 2013-09-04 | 昆明物理研究所 | Infrared/ glimmer image fusion night vision system |
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| JP4395150B2 (en) * | 2006-06-28 | 2010-01-06 | 富士フイルム株式会社 | Distance image sensor |
| CN102917250B (en) * | 2012-11-08 | 2015-07-01 | 四川虹微技术有限公司 | Audio and video transmission method for digital media interface |
| JP6006618B2 (en) * | 2012-11-12 | 2016-10-12 | 株式会社東芝 | Inspection apparatus and inspection method for infrared solid-state imaging device |
| CN104243889B (en) * | 2014-10-22 | 2018-01-30 | 成都市晶林科技有限公司 | Infrared thermal imaging movement digital signal transmission format match method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605635Y (en) * | 2002-09-30 | 2004-03-03 | 杭州士兰微电子股份有限公司 | General lattice liquid crystal display device and its application software developing system |
| CN1546993A (en) * | 2003-12-04 | 2004-11-17 | 上海交通大学 | Infrared target detecting, tracking and identifying system |
| CN101127888A (en) * | 2007-08-23 | 2008-02-20 | 深圳华强信息产业有限公司 | Onboard image collection device |
| CN103279938A (en) * | 2013-04-03 | 2013-09-04 | 昆明物理研究所 | Infrared/ glimmer image fusion night vision system |
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| CN104243889A (en) | 2014-12-24 |
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Denomination of invention: Matching method of digital video signal transmission format for infrared thermal imaging movement Effective date of registration: 20220519 Granted publication date: 20180130 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU JING LIN SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022980005939 |