CN111800597B - Infrared thermal imaging movement digital video signal transmission format matching method - Google Patents
Infrared thermal imaging movement digital video signal transmission format matching method Download PDFInfo
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- CN111800597B CN111800597B CN202010476580.7A CN202010476580A CN111800597B CN 111800597 B CN111800597 B CN 111800597B CN 202010476580 A CN202010476580 A CN 202010476580A CN 111800597 B CN111800597 B CN 111800597B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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- H—ELECTRICITY
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- 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
The invention discloses a method for matching transmission formats of digital video signals of an infrared thermal imaging machine core, which belongs to the technical field of image transmission and comprises the following steps: data classification step: aggregating gray data with the same output display data format in a plurality of gray data acquired in the same time period; a data conversion step: configuring a data conversion table, a pixel time sequence table and an output hardware interface line mapping table; a data output step: converting the gray data of different classifications into display data according to a data conversion table; reconfiguring the converted display data to each data line of the hardware interface according to a configuration output hardware interface line mapping table; performing time-sharing output according to the configured pixel time sequence table; the invention only needs the software module to configure the gray data of different classifications and the display data format to be output to form a data conversion table, thereby reducing the working intensity of the software module conversion and improving the conversion efficiency of the software module.
Description
Technical Field
The invention belongs to the technical field of image transmission, and particularly relates to a transmission format matching method for a digital video signal of an infrared thermal imaging machine core.
Background
Research shows that all objects with the temperature higher than absolute zero in nature can generate infrared rays, the wavelength range of the objects is 760 nanometers to 1000 nanometers, the objects are positioned outside the visible light wave band of human eyes, and the objects are the most extensive electromagnetic waves in nature, and are also called infrared heat radiation.
The irregular movement of molecules and atoms of an object generates heat radiation, the temperature of the object is higher, the movement of the molecules and the atoms is more violent, the heat radiation is stronger, the infrared imaging system is a radiation detection imaging system utilizing the phenomenon, the infrared heat radiation is converted into electric signals through the photoelectric conversion of an infrared detector, the intensity of the heat radiation corresponds to the intensity of the corresponding electric signals, and the invisible infrared radiation energy emitted from the nature is converted into visible heat distribution images of human eyes through the operations of subsequent signal acquisition, digital video processing, display and the like, so that the visual perception field of people is widened.
The Chinese patent application number 201410565944.3 discloses a method for matching the transmission format of a digital video signal of an infrared thermal imaging core, which does not increase any redundant hardware, updates data in real time according to software setting, has high operation speed, can expand a required format according to application requirements, and has strong universality.
The above patent has the following problems: in the above patent, the input gray data is not sorted and classified before the data conversion step, so that the software module is required to configure and form a data conversion table according to each input gray data and the display data format to be output, the conversion work intensity of the software module is increased, and the conversion efficiency of the software module is reduced.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a method for matching the transmission format of a digital video signal of an infrared thermal imaging machine core, which has the characteristics of reducing the conversion working strength of a software module and improving the conversion efficiency of the software module.
In order to achieve the purpose, the invention provides the following technical scheme: a transmission format matching method for digital video signals of an infrared thermal imaging machine core comprises the following steps:
(1) data classification step:
s1: acquiring a plurality of gray data input by the infrared sensor in the same time period;
s2: analyzing a display data format to be output by the plurality of gray data;
s3: aggregating the gray data with the same output display data format;
(2) a data conversion step:
s4: configuring different classified gray data and display data formats to be output to form a data conversion table;
s5: configuring output clock period data and output time sequence of a single pixel to form a pixel time sequence table;
s6: setting a corresponding output hardware interface line for the bytes in the data according to the specification of a hardware interface and a display protocol by using the configured data conversion table;
(3) a data output step:
s7: converting the gray data of different classifications into display data according to a data conversion table;
s8: reconfiguring the converted display data to each data line of the hardware interface according to the configured corresponding output hardware interface line;
s9: and performing time-sharing output according to the configured pixel time sequence table.
Preferably, in the step S1, when acquiring a plurality of gray data, the gray data needs to be preprocessed to remove defective gray data.
Preferably, in the step S3, when aggregating a plurality of pieces of gray scale data in the same output display data format, the plurality of pieces of gray scale data are arranged in order of priority to obtain arranged real-time gray scale data.
Compared with the prior art, the invention has the beneficial effects that:
the invention adds a data classification step before the data conversion step, can sort the gray data entering in the same time period, and can aggregate the gray data with the same output display data format, and can arrange the aggregated gray data according to the priority order, so that only a software module needs to configure the gray data with different classifications and the display data format to be output to form a data conversion table, thereby reducing the working intensity of software module conversion and improving the conversion efficiency of the software module.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a flow chart of the data classification steps of the present invention;
FIG. 3 is a flow chart of the data conversion steps of the present invention;
FIG. 4 is a flow chart of the data output steps of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a transmission format matching method for digital video signals of an infrared thermal imaging machine core comprises the following steps:
(1) data classification step:
s1: acquiring a plurality of gray data input by the infrared sensor in the same time period;
s2: analyzing a display data format to be output by the plurality of gray data;
s3: aggregating the gray data with the same output display data format;
(2) a data conversion step:
s4: configuring different classified gray data and display data formats to be output to form a data conversion table;
s5: configuring output clock period data and output time sequence of a single pixel to form a pixel time sequence table;
s6: setting a corresponding output hardware interface line for the bytes in the data according to the specification of a hardware interface and a display protocol by using the configured data conversion table;
(3) a data output step:
s7: converting the gray data of different classifications into display data according to a data conversion table;
s8: reconfiguring the converted display data to each data line of the hardware interface according to the configured corresponding output hardware interface line;
s9: and performing time-sharing output according to the configured pixel time sequence table.
Specifically, in step S1, when acquiring a plurality of gray data, the gray data needs to be preprocessed to remove defective gray data.
Specifically, in step S3, when aggregating a plurality of pieces of gradation data in the same output display data format, the plurality of pieces of gradation data are arranged in order of priority to obtain arranged real-time gradation data.
The working principle and the using process of the invention are as follows:
(1) data classification step:
s1: acquiring a plurality of gray data input by the infrared sensor in the same time period, preprocessing the gray data, and removing defective gray data;
s2: analyzing a display data format to be output by the plurality of gray data;
s3: aggregating the gray data with the same output display data format, and arranging the gray data based on the priority order to obtain the arranged real-time gray data;
(2) a data conversion step:
s4: configuring different classified gray data and display data formats to be output to form a data conversion table;
s5: configuring output clock period data and output time sequence of a single pixel to form a pixel time sequence table;
s6: setting a corresponding output hardware interface line for the bytes in the data according to the specification of a hardware interface and a display protocol by using the configured data conversion table;
(3) a data output step:
s7: converting the gray data of different classifications into display data according to a data conversion table;
s8: reconfiguring the converted display data to each data line of the hardware interface according to the configured corresponding output hardware interface line;
s9: and performing time-sharing output according to the configured pixel time sequence table.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A transmission format matching method for digital video signals of an infrared thermal imaging machine core is characterized by comprising the following steps:
(1) data classification step:
s1: acquiring a plurality of gray data input by the infrared sensor in the same time period;
s2: analyzing a display data format to be output by the plurality of gray data;
s3: aggregating the gray data with the same output display data format;
(2) a data conversion step:
s4: configuring different classified gray data and display data formats to be output to form a data conversion table;
s5: configuring output clock period data and output time sequence of a single pixel to form a pixel time sequence table;
s6: setting a corresponding output hardware interface line for the bytes in the data according to the specification of a hardware interface and a display protocol by using the configured data conversion table;
(3) a data output step:
s7: converting the gray data of different classifications into display data according to a data conversion table;
s8: reconfiguring the converted display data to each data line of the hardware interface according to the configured corresponding output hardware interface line;
s9: and performing time-sharing output according to the configured pixel time sequence table.
2. The method for matching the transmission format of the digital video signal of the infrared thermal imaging movement according to claim 1, is characterized in that: in step S1, when acquiring a plurality of gray data, the gray data needs to be preprocessed to remove defective gray data.
3. The method for matching the transmission format of the digital video signal of the infrared thermal imaging movement according to claim 1, is characterized in that: in step S3, when aggregating a plurality of gray scale data in the same output display data format, the gray scale data are arranged in order of priority to obtain arranged real-time gray scale data.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104243889A (en) * | 2014-10-22 | 2014-12-24 | 成都市晶林科技有限公司 | Method for matching digital video signal transmission format of infrared thermal imaging machine core |
| CN104931044A (en) * | 2015-06-16 | 2015-09-23 | 上海新跃仪表厂 | Star sensor image processing method and system |
| CN105787906A (en) * | 2016-03-25 | 2016-07-20 | 北京环境特性研究所 | Method and system for rejecting bright noises from infrared image |
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| US6417848B1 (en) * | 1997-08-25 | 2002-07-09 | Ati International Srl | Pixel clustering for improved graphics throughput |
| US7308159B2 (en) * | 2004-01-16 | 2007-12-11 | Enuclia Semiconductor, Inc. | Image processing system and method with dynamically controlled pixel processing |
| CN101996609B (en) * | 2009-08-13 | 2013-01-23 | 上海奇码数字信息有限公司 | Pixel format converting method and device in graphic processing |
| US9866789B2 (en) * | 2015-02-25 | 2018-01-09 | Echostar Technologies L.L.C. | Automatic program formatting for TV displays |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104243889A (en) * | 2014-10-22 | 2014-12-24 | 成都市晶林科技有限公司 | Method for matching digital video signal transmission format of infrared thermal imaging machine core |
| CN104931044A (en) * | 2015-06-16 | 2015-09-23 | 上海新跃仪表厂 | Star sensor image processing method and system |
| CN105787906A (en) * | 2016-03-25 | 2016-07-20 | 北京环境特性研究所 | Method and system for rejecting bright noises from infrared image |
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