CN107801015A - Image processing method based on low pass filter - Google Patents
Image processing method based on low pass filter Download PDFInfo
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- CN107801015A CN107801015A CN201710979872.0A CN201710979872A CN107801015A CN 107801015 A CN107801015 A CN 107801015A CN 201710979872 A CN201710979872 A CN 201710979872A CN 107801015 A CN107801015 A CN 107801015A
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Abstract
The invention discloses the image processing method based on low pass filter, carries out following steps successively：Image input module inputs two dimensional image signal, input the picture signal from the output of described image input module and generate and export the left-eye image and eye image for realizing binocular stereoscopic viewing, the space characteristics amount of the inputted picture signal of extraction, picture signal execution to the input applies the enhancing processing of the characteristic quantity, the filtering process operation that performed based on low pass filter and as the pretreatment before extracting the characteristic quantity to the picture signal of the input.The present invention is difficult to stereos copic viewing when solving image procossing existing for prior art, it is difficult to the context problem for showing the object in image, image processing method based on low pass filter is provided, it can set when applying and strengthen binocular parallax, stereos copic viewing is realized, shows the context of objects in images.
Description
Technical field
The present invention relates to image processing method, and in particular to the image processing method based on low pass filter.
Background technology
Image processing method, a variety of methods have been proposed in the past, in every kind of method, two dimensional image is transformed to correspondingly
In the binocular parallax image of stereovision.Binocular parallax image based on two dimensional image generation includes a pair of left sides observed by left eye
Eye pattern picture and the eye image observed by right eye.Left-eye image and eye image can separated and be presented respectively to observation
Display includes the binocular parallax image of a pair of these left-eye images and eye image on the left eye of person and the display of right eye, therefore
Image perception can be stereo-picture by observer.
However, in the prior art in the image with multiple Moving Objects or including in the image of compound movement, not fitting
Locality sets binocular parallax, and placement object or retinal map aberration become too big artificially, it is difficult to stereos copic viewing is realized,
It is difficult to the context for showing the object in image.
The content of the invention
The present invention is difficult to stereos copic viewing when solving image procossing existing for prior art, it is difficult to shows in image
The context problem of object, there is provided the image processing method based on low pass filter, it can set when applying and strengthen double
Eye parallax, realizes stereos copic viewing, shows the context of objects in images.
The present invention is achieved through the following technical solutions：
Image processing method based on low pass filter, following steps are carried out successively：
A：Image input step, image input module input two dimensional image signal；
B：Image transformation step, input the picture signal from the output of described image input module and generate and export for real
The left-eye image and eye image of existing binocular stereoscopic viewing；
C：The space characteristics amount of the inputted picture signal of extraction, and the left-eye image is performed based on image conversion process
With at least one image generation in the eye image；
D：Picture signal execution to the input applies the enhancing processing of the characteristic quantity；
E：The left-eye image and the eye image of the image output module output from the output of described image conversion module；
F：The image of the input is believed based on low pass filter and as the pretreatment before extracting the characteristic quantity
Number perform filtering process operation；
G：The filtering that performed based on low pass filter and as post processing to the left-eye image and eye image generated
Processing operation or image reduction processing operation.
Further, the image processing method based on low pass filter, described image shift step include：Extraction input
The space characteristics amount of picture signal, and performed based on image conversion process in the left-eye image and the eye image at least
The image generation of one, wherein, in described image conversion process, the picture signal execution to the input applies the spy
The enhancing processing of sign amount.
Further, the image processing method based on low pass filter, described image shift step include：Extract described defeated
The briliancy differential signal of the picture signal entered or picture signal to the input are performed at the filtering based on low pass filter
The briliancy differential signal of signal after reason operation, the briliancy differential signal is arranged to the characteristic quantity, generates following become
One changed in signal is used as left-eye image or eye image：By the way that the characteristic quantity is added with the picture signal of the input
And the conversion signal that obtains or by subtracting the characteristic quantity from the picture signal of the input the conversion signal that obtains, and
And the picture signal of the output input is used as by non-shifting signal during processing and is used for and the eye for converting signal
The image of the different eyes of eyeball.
Further, the image processing method based on low pass filter, described image shift step include：Extract described defeated
The briliancy differential signal of the picture signal entered or picture signal to the input are performed at the filtering based on low pass filter
The briliancy differential signal of signal after reason operation, the briliancy differential signal is arranged to the characteristic quantity, generation pass through by
Signal that the characteristic quantity is added and obtained with the picture signal of the input and by being subtracted from the picture signal of the input
The characteristic quantity and the signal obtained, and a pair of the two signals of generation are as a pair of left-eye images and eye image.
Further, the image processing method based on low pass filter, each frame of the frame included for moving image,
Only alternately generate one in the left-eye image and the eye image.The frame included for moving image it is each
Frame, the left-eye image and the eye image, and generation binocular parallax image are generated, the binocular parallax image is alternately
Including the line number evidence for forming generated left-eye image and eye image.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention by image input module by inputting two dimensional image signal successively；Input from described image input module
The picture signal of output simultaneously generates and exported the left-eye image and eye image for realizing binocular stereoscopic viewing；Extraction is inputted
Picture signal space characteristics amount, and performed based on image conversion process in the left-eye image and the eye image extremely
Few one image generation；Picture signal execution to the input applies the enhancing processing of the characteristic quantity；Image exports
The left-eye image and the eye image of the module output from the output of described image conversion module；Based on low pass filter and make
The filtering process that performed to extract the pretreatment before the characteristic quantity to the picture signal of the input operates.Realize and set
And strengthen binocular parallax, stereos copic viewing is realized, shows the context of objects in images.
2nd, the image processing method of the invention based on low pass filter, realize that the solid of object is real by low pass filter
It is existing, it is convenient and simple, it is easy to accomplish, while it is cheap easy to spread.
3rd, the present invention can be realized by providing the program of this computer-reader form, be realized on the computer systems
According to the processing of program.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment
Image processing method based on low pass filter, following steps are carried out successively：
A：Image input step, image input module input two dimensional image signal；
B：Image transformation step, input the picture signal from the output of described image input module and generate and export for real
The left-eye image and eye image of existing binocular stereoscopic viewing；
C：The space characteristics amount of the inputted picture signal of extraction, and the left-eye image is performed based on image conversion process
With at least one image generation in the eye image；
D：Picture signal execution to the input applies the enhancing processing of the characteristic quantity；
E：The left-eye image and the eye image of the image output module output from the output of described image conversion module；
F：The image of the input is believed based on low pass filter and as the pretreatment before extracting the characteristic quantity
Number perform filtering process operation；
G：The filtering that performed based on low pass filter and as post processing to the left-eye image and eye image generated
Processing operation or image reduction processing operation.
What deserves to be explained is described image shift step includes：Extract the space characteristics amount of the picture signal of input, and base
At least one image generation in the left-eye image and the eye image is performed in image conversion process, wherein, in institute
State in image conversion process, the picture signal execution to the input applies the enhancing processing of the characteristic quantity.Described in extraction
The briliancy differential signal of the picture signal of input or picture signal to the input perform the filtering based on low pass filter
The briliancy differential signal of signal after processing operation, the briliancy differential signal is arranged to the characteristic quantity, generation is as follows
One converted in signal is used as left-eye image or eye image：By by the characteristic quantity and the picture signal phase of the input
The conversion signal that adds and obtain or by subtracting the characteristic quantity from the picture signal of the input the conversion signal that obtains,
And export the picture signal of the input and be used as by non-shifting signal during processing and is used for and the signal that converts
The image of the different eyes of eyes.Extract the briliancy differential signal of the picture signal of the input or the image to the input
Signal performs the briliancy differential signal of the signal after the filtering process operation based on low pass filter, by the briliancy differential
Signal is arranged to the characteristic quantity, generates by the way that the characteristic quantity to be added to the signal to obtain with the picture signal of the input
Make with by subtracting the characteristic quantity from the picture signal of the input the signal that obtains, and a pair of the two signals of generation
For a pair of left-eye images and eye image.
In addition, each frame of the frame included for moving image, only alternately generates the left-eye image and the right side
One in eye pattern picture.Each frame of the frame included for moving image, generates the left-eye image and the eye image,
And generation binocular parallax image, the binocular parallax image alternately include being used to form generated left-eye image and right eye
The line number evidence of image.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (5)
1. the image processing method based on low pass filter, it is characterised in that carry out following steps successively：
A：Image input step, image input module input two dimensional image signal；
B：Image transformation step, input the picture signal from the output of described image input module and generate and export and be double for realizing
The left-eye image and eye image of eye stereos copic viewing；
C：The space characteristics amount of the inputted picture signal of extraction, and the left-eye image and institute are performed based on image conversion process
State at least one image generation in eye image；
D：Picture signal execution to the input applies the enhancing processing of the characteristic quantity；
E：The left-eye image and the eye image of the image output module output from the output of described image conversion module；
F：The picture signal of the input is held based on low pass filter and as the pretreatment before extracting the characteristic quantity
Capable filtering process operation；
G：The filtering process that performed based on low pass filter and as post processing to the left-eye image and eye image generated
Operation or image reduction processing operation.
2. the image processing method according to claim 1 based on low pass filter, it is characterised in that described image converts
Step includes：Extract the space characteristics amount of the picture signal of input, and based on image conversion process perform the left-eye image and
At least one image generation in the eye image, wherein, in described image conversion process, to the image of the input
Signal performs the enhancing processing for applying the characteristic quantity.
3. the image processing method according to claim 1 based on low pass filter, it is characterised in that described image converts
Step includes：Extract the briliancy differential signal of the picture signal of the input or the picture signal of the input is performed and be based on
The briliancy differential signal of signal after the filtering process operation of low pass filter, the briliancy differential signal is arranged to described
Characteristic quantity, one in generation such as downconverted signal is used as left-eye image or eye image：By by the characteristic quantity with it is described
Conversion signal that the picture signal of input is added and obtained or by subtracting the characteristic quantity from the picture signal of the input
And the conversion signal obtained, and the picture signal for exporting the input is not used as by non-shifting signal during processing and is used for
From the image of the different eyes of the eyes of the conversion signal.
4. the image processing method according to claim 1 based on low pass filter, it is characterised in that described image converts
Step includes：Extract the briliancy differential signal of the picture signal of the input or the picture signal of the input is performed and be based on
The briliancy differential signal of signal after the filtering process operation of low pass filter, the briliancy differential signal is arranged to described
Characteristic quantity, generate by being added the characteristic quantity with the picture signal of the input the signal that obtains and by from described defeated
The signal that the picture signal entered subtracts the characteristic quantity and obtained, and a pair of the two signals of generation are as a pair of left-eye images
And eye image.
5. the image processing method according to claim 1 based on low pass filter, it is characterised in that for moving image
Each frame of the frame included, only alternately generate one in the left-eye image and the eye image.For motion diagram
The each frame for the frame that picture includes, the left-eye image and the eye image, and generation binocular parallax image are generated, it is described
Binocular parallax image alternately includes being used for the line number evidence for forming generated left-eye image and eye image.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426024A (en) * | 2001-12-11 | 2003-06-25 | 三星电子株式会社 | Device and its method for producing three dimension image from two dimension image |
| US20070024614A1 (en) * | 2005-07-26 | 2007-02-01 | Tam Wa J | Generating a depth map from a two-dimensional source image for stereoscopic and multiview imaging |
| CN102547314A (en) * | 2010-12-21 | 2012-07-04 | 任涛 | Method and device for real-time three-dimensional conversion of two-dimensional digital images |
| CN102547336A (en) * | 2010-12-02 | 2012-07-04 | 索尼公司 | Image processing device, image processing method, and program |
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2017
- 2017-10-19 CN CN201710979872.0A patent/CN107801015A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426024A (en) * | 2001-12-11 | 2003-06-25 | 三星电子株式会社 | Device and its method for producing three dimension image from two dimension image |
| US20070024614A1 (en) * | 2005-07-26 | 2007-02-01 | Tam Wa J | Generating a depth map from a two-dimensional source image for stereoscopic and multiview imaging |
| CN102547336A (en) * | 2010-12-02 | 2012-07-04 | 索尼公司 | Image processing device, image processing method, and program |
| CN102547314A (en) * | 2010-12-21 | 2012-07-04 | 任涛 | Method and device for real-time three-dimensional conversion of two-dimensional digital images |
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Application publication date: 20180313 |