CN109618172A - Infrared image storage transmission compression algorithm - Google Patents
Infrared image storage transmission compression algorithm Download PDFInfo
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- CN109618172A CN109618172A CN201810426328.8A CN201810426328A CN109618172A CN 109618172 A CN109618172 A CN 109618172A CN 201810426328 A CN201810426328 A CN 201810426328A CN 109618172 A CN109618172 A CN 109618172A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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Abstract
The invention discloses a kind of infrared images to store transmission compression algorithm, includes the following steps: that storage file includes file header and file body, in preceding 2 byte 0H0L of file body first trip structure, records first pixel gray scale for needing the infrared image stored；Since the 3rd byte of file body first trip structure, the difference of current pixel gray scale and previous pixel gray scale of going together under each byte records, and difference is converted to 0-255, it is recorded as △ T1；Since file body the second row structure to end line structure, under every first byte records of row with the difference of the first pixel gray scale of lastrow, the difference of current pixel gray scale and previous pixel gray scale of going together under the 2nd byte start recording of every row, and difference is converted to 0-255, it is recorded as △ T2.The present invention has the characteristics of capable of compressing infrared picture data, saving memory space.
Description
Technical field
The present invention relates to infrared image delivery technical fields, can compress infrared picture data more particularly, to one kind, section
Save the infrared image storage transmission compression algorithm of memory space.
Background technique
Now, infrared imagery technique is widely used to multiple fields.With the continuous development of infrared imagery technique, it is based on
The product of infrared imagery technique is also constantly updated.Acquisition infrared image can be used for analyzing the characteristic of infrared focus plane and design more
Efficient image algorithm, to obtain better image quality.However, current infrared image is mostly with 2 byte representations, one pixel
Gray scale needs biggish memory space.When data volume adds up more, need to spend biggish space storage image data.Cause
This, infrared picture data can be compressed by designing one kind, saved the infrared image storage transmission compression algorithm of memory space, just seemed
It is very necessary.
Summary of the invention
The present invention be in order to overcome in the prior art, it is hot because infrared image is mostly with 2 byte representations, one pixel gray scale
When outer image data amount adds up more, need to spend biggish space come the problem of storing image data, provide one kind can
Infrared picture data is compressed, the infrared image storage transmission compression algorithm of memory space is saved.
To achieve the above object, the invention adopts the following technical scheme:
A kind of infrared image storage transmission compression algorithm, characterized in that include the following steps:
(1-1) storage file includes file header and file body, in preceding 2 byte 0H0L of file body first trip structure, note
First pixel gray scale of the infrared image for needing to store under record；
(1-2) since the 3rd byte of file body first trip structure, under each byte records current pixel gray scale with go together
The difference of previous pixel gray scale, and difference is converted to 0-255, it is recorded as △ T1；
(1-3) is first with lastrow under every first byte records of row since file body the second row structure to end line structure
The difference of a pixel gray scale, the difference of current pixel gray scale and previous pixel gray scale of going together under the 2nd byte start recording of every row
Value, and difference is converted to 0-255, it is recorded as △ T2.
The present invention is based on medical infrared image features, and infrared image is mostly with 2 byte representations, one picture in the prior art
In the case where first gray scale, using new storage mode, using in a manner of 1 byte indicates a pixel ash of infrared image
Angle value.The present invention has in the case where guaranteeing the distortionless situation of temperature measurement data, can compress infrared picture data, saves memory space
The characteristics of.
Preferably, in step (1-2), Δ T1=Gn-Gn-1+128。GnIndicate the current pixel gray scale of file body first trip structure
Numerical value, n refers to current pixel column.
Preferably, as △ T1 < 0, pixel gray scale and previous pixel ash of going together before each broomrape of file body first trip structure
The difference △ T of degree0n=0, as 0≤△ T1≤255, △ T0n=△ T1, as △ T1 > 255, △ T0n=255, n refer to pixel institute
It is arranging.It is formulated asWhen △ T1 is not within the scope of 0-255, then it is assumed that
The pixel gray scale point is singular point.
Preferably, in step (1-3),K indicates current line number, and n is
Columns, G refer to the numerical value of pixel gray scale.
Preferably, as △ T2 < 0, pixel gray scale and same before file body the second row structure to each broomrape of end line structure
The difference △ T of the previous pixel gray scale of rowkn=0, as 0≤△ T2≤255, △ Tkn=△ T2, as △ T2 > 255, △ Tkn=
255, k indicate current line number, and n refers to current pixel column.It is formulated as
When △ T2 is not within the scope of 0-255, then it also hold that the pixel gray scale point is singular point.
Preferably, measurement temperature computation parameter information is stored in the file header part of storage file.
Therefore, the invention has the following beneficial effects: (1) to be based on medical infrared image feature, is guaranteeing temperature measurement data not
In the case where distortion, infrared picture data can be compressed；(2) memory space is saved, file data amount of storage is improved.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the invention；
Fig. 2 is a kind of structural schematic diagram of file body first trip structure of the invention；
Fig. 3 is a kind of structural schematic diagram of the second row of file body of the invention to end line structure.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing:
A kind of infrared image storage transmission compression algorithm as shown in Figure 1, includes the following steps:
Step 100, storage file includes file header and file body, in preceding 2 byte 0H0L of file body first trip structure,
Record first pixel gray scale for needing the infrared image stored；
Step 200, since the 3rd byte of file body first trip structure, under each byte records current pixel gray scale with
The difference for previous pixel gray scale of going together, and difference is converted to 0-255, it is recorded as △ T1；
Step 300, since file body the second row structure to end line structure, under every first byte records of row with lastrow
The difference of first pixel gray scale, current pixel gray scale and previous pixel gray scale of going together under the 2nd byte start recording of every row
Difference, and difference is converted to 0-255, it is recorded as △ T2.
As shown in Fig. 2, in step 200, Δ T1=Gn-Gn-1+128。GnIndicate the current pixel gray scale of file body first trip structure
Numerical value, n refers to current pixel column.As △ T1 < 0, before each broomrape of file body first trip structure pixel gray scale with go together it is previous
The difference △ T of a pixel gray scale0n=0, as 0≤△ T1≤255, △ T0n=△ T1, as △ T1 > 255, △ T0n=255.I.e.
It is formulated asWhen △ T1 is not within the scope of 0-255, then it is assumed that the pixel
Gray scale point is singular point
As shown in figure 3, in step 300,K indicates current line number, and n is column
Number, G refer to the numerical value of pixel gray scale.As △ T2 < 0, before file body the second row structure to each broomrape of end line structure pixel gray scale with
The difference △ T for previous pixel gray scale of going togetherkn=0, as 0≤△ T2≤255, △ Tkn=△ T2, as △ T2 > 255, △ Tkn=
255, k indicate current line number, and n refers to current pixel column.It is formulated as
When △ T2 is not within the scope of 0-255, then it also hold that the pixel gray scale point is singular point.
In addition, measurement temperature computation parameter information is stored in the file header part of storage file.The file of storage file
Head and file body arrangement are in column-shaped.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (6)
1. a kind of infrared image storage transmission compression algorithm, characterized in that include the following steps:
(1-1) storage file includes that file header and file body are recorded in preceding 2 byte 0H0L of file body first trip structure
First pixel gray scale of the infrared image for needing to store；
(1-2) since the 3rd byte of file body first trip structure, under each byte records current pixel gray scale with go together it is previous
The difference of a pixel gray scale, and difference is converted to 0-255, it is recorded as △ T1；
(1-3) since file body the second row structure to end line structure, under every first byte records of row with the first picture of lastrow
The difference of first gray scale, the difference of current pixel gray scale and previous pixel gray scale of going together under the 2nd byte start recording of every row, and
Difference is converted to 0-255, is recorded as △ T2.
2. infrared image storage transmission compression algorithm according to claim 1, characterized in that Δ T1=Gn-Gn-1+128。
3. infrared image storage transmission compression algorithm according to claim 2, characterized in that as △ T1 < 0, file body
The difference △ T of pixel gray scale and previous pixel gray scale of going together before each broomrape of first trip structure0n=0, as 0≤△ T1≤255, △
T0n=△ T1, as △ T1 > 255, △ T0n=255, n refer to pixel column.
4. infrared image storage transmission compression algorithm according to claim 1, characterized in thatK indicates current line number, and n is columns.
5. infrared image storage transmission compression algorithm according to claim 4, characterized in that as △ T2 < 0, file body
The difference △ T of pixel gray scale and previous pixel gray scale of going together before second row structure to each broomrape of end line structurekn=0, when 0≤
When △ T2≤255, △ Tkn=△ T2, as △ T2 > 255, △ Tkn=255, k indicate current line number, and n refers to where current pixel
Column.
6. storing transmission compression algorithm according to infrared image described in claim or 1 or 2 or 3 or 4 or 5, characterized in that measurement
Temperature computation parameter information is stored in the file header part of storage file.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810426328.8A CN109618172A (en) | 2018-05-07 | 2018-05-07 | Infrared image storage transmission compression algorithm |
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| CN201810426328.8A CN109618172A (en) | 2018-05-07 | 2018-05-07 | Infrared image storage transmission compression algorithm |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377270A (en) * | 1986-09-20 | 1988-04-07 | Sanyo Electric Co Ltd | Image transmitting device |
| JP2007281758A (en) * | 2006-04-05 | 2007-10-25 | Seiko Epson Corp | Moving image display system, moving image data output device, display device, and program |
| CN102217311A (en) * | 2008-11-17 | 2011-10-12 | 松下电器产业株式会社 | Image transmitter and image receiver |
| CN106649474A (en) * | 2016-09-29 | 2017-05-10 | 上海热像机电科技股份有限公司 | Novel infrared image data storage method |
-
2018
- 2018-05-07 CN CN201810426328.8A patent/CN109618172A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377270A (en) * | 1986-09-20 | 1988-04-07 | Sanyo Electric Co Ltd | Image transmitting device |
| JP2007281758A (en) * | 2006-04-05 | 2007-10-25 | Seiko Epson Corp | Moving image display system, moving image data output device, display device, and program |
| CN102217311A (en) * | 2008-11-17 | 2011-10-12 | 松下电器产业株式会社 | Image transmitter and image receiver |
| CN106649474A (en) * | 2016-09-29 | 2017-05-10 | 上海热像机电科技股份有限公司 | Novel infrared image data storage method |
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Address after: Room 101, Room 201, Room 301, Room 401, room 501-4, building 52, no.650 Hongfeng Road, Donghu street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: HANGZHOU XINHAN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 311100 502A, No. 22, Xinyan Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU XINHAN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190412 |