CN108259888A - The test method and system of stereo display effect - Google Patents
The test method and system of stereo display effect Download PDFInfo
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- CN108259888A CN108259888A CN201611242124.6A CN201611242124A CN108259888A CN 108259888 A CN108259888 A CN 108259888A CN 201611242124 A CN201611242124 A CN 201611242124A CN 108259888 A CN108259888 A CN 108259888A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
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Abstract
The present invention relates to stereo display technique fields, disclose the test method and system of a kind of stereo display effect.The test method of stereo display effect includes：Left and right camera for wearing is provided, the distance between left and right camera is adjusted, the distance between left and right camera is made to be adapted with the interpupillary distance of wearer；The 3D anaglyphs that 3 d display device shows are shot simultaneously using left and right camera, and wherein 3D anaglyphs include the left view and right view of left and right camera shooting；The pixel number of the first pixel and the first current percentage of total pixel number in left view are calculated, calculates the pixel number of the second pixel and the second current percentage of total pixel number in right view；Value to be compared is obtained according to the preset relation between the first current percentage, the second current percentage and the first current percentage and the second current percentage, by value to be compared and threshold value comparison, obtain stereo display effect characterization value, can it is objective, accurately test stereo display effect.
Description
Technical field
The present invention relates to stereo display technique field, the test method and system of more particularly to a kind of stereo display effect.
Background technology
The image-forming principle of stereo-picture display technology is：Binocular parallax based on viewer, allow viewer left eye and the right side
Eye perceives the anaglyph with image difference respectively, and the brain of viewer forms stereogram based on the image difference perceived
Picture.
Existing 3 d display device by grating array accurately control each pixel penetrate light, only allow left eye or
Right eye sees that, since left eye is different with the angle of right eye viewing display panel, covering light using this differential seat angle can will scheme
As distributing to left eye or right eye, this two discrepant images are synthesized a pair by brain, and there is spatial depth and dimension to believe
The image of breath, so as to form stereo display effect.
Since more or less there are errors with display panel for grating array in 3 d display device assembling process, can cause
The appearance of crosstalk, i.e. left view enter the right eye of viewer, and right view carries out the left eye of viewer, is imitated so as to cause stereoscopic display
Fruit is bad or even can not meet the problems such as forming stereo display effect.Therefore, it to ensure product quality, before product export, needs
The test of stereo display effect is carried out to 3 d display device, the big product of the crosstalk product small with crosstalk is differentiated.
At present to the test of stereo display effect also rest on rely on technical staff to the display image on display panel into
Row subjective judgement.The technical merit of different technologies personnel is different, also different to the test of display effect so as to judging result not
Accurately.And it observes for a long time, technical staff can cause visual fatigue, make the judgement to display effect more inaccurate.In addition
Application engineer carries out subjective judgement and takes time and effort, and increases production cost.
Invention content
The test method and system that are designed to provide a kind of stereo display effect of embodiment of the present invention, Neng Gouke
It sees, accurately test stereo display effect.
In order to solve the above technical problems, embodiments of the present invention provide a kind of test method of stereo display effect,
Including：
Left and right camera for wearing is provided, adjusts the distance between left and right camera, is made between left and right camera
Distance be adapted with the interpupillary distance of wearer；
The 3D anaglyphs that 3 d display device shows, wherein 3D anaglyphs packet are shot simultaneously using left and right camera
Include the left view and right view of left and right camera shooting；
The pixel number of the first pixel and the first current percentage of total pixel number in left view are calculated, is calculated the in right view
The pixel number of two pixels and the second of total pixel number the current percentage, wherein, the first pixel is different from the second pixel；
According to the first current percentage, the second current percentage and the first current percentage and the second current percentage it
Between preset relation obtain value to be compared, by value to be compared and threshold value comparison, obtain stereo display effect characterization value.
Embodiments of the present invention additionally provide a kind of test system of stereo display effect, including：Filming apparatus and with
The processor of filming apparatus communication connection, filming apparatus include left and right camera and distance adjusting mechanism,
Distance adjusting mechanism is used for：Adjust the distance between left and right camera, make the distance between left and right camera with
The interpupillary distance of wearer is adapted；
Left and right camera is used for：Shoot the 3D anaglyphs that 3 d display device is shown, wherein 3D anaglyphs packet simultaneously
Include the left view and right view of left and right camera shooting；
Processor includes：
Computing module, for calculating the first current percentage of the pixel number of the first pixel and total pixel number in left view,
The pixel number of the second pixel and the second current percentage of total pixel number in right view are calculated, wherein, the first pixel is different from the
Two pixels；
Measure of merit module, connect with computing module, for according to the first current percentage, the second current percentage and
Preset relation between first current percentage and the second current percentage obtains value to be compared, by value to be compared and threshold value ratio
Compared with acquisition stereo display effect characterization value.
Embodiment of the present invention in terms of existing technologies, by providing the left and right camera for wearing, is adjusted
The distance between left and right camera makes the distance between left and right camera be adapted with the interpupillary distance of wearer；It is taken the photograph using left and right
As head shoots the 3D anaglyphs that 3 d display device shows simultaneously, wherein 3D anaglyphs include the shooting of left and right camera
Left view and right view；The pixel number of the first pixel and the first current percentage of total pixel number in left view are calculated, is calculated right
Second current percentage of the pixel number of the second pixel and total pixel number in view, wherein, the first pixel is different from the second pixel；
According to default between the first current percentage, the second current percentage and the first current percentage and the second current percentage
Relationship obtains value to be compared, by value to be compared and threshold value comparison, obtains stereo display effect characterization value, can be objective, accurately
Evaluate stereo display effect.
In addition, it is to be adjusted in the range of 50mm-80mm between left and right camera to adjust the distance between left and right camera
Distance, by human eye interpupillary distance influence introduce stereo display effect evaluation, make evaluation result more accurate, it is objective.
In addition, calculate in left view before the pixel number of the first pixel and the first current percentage of total pixel number, including：
3D anaglyphs are pre-processed to filter the non-anaglyph picture in periphery, can more accurately test stereo display effect.
In addition, product of the preset relation between the first current percentage and the second current percentage, threshold value are correspondingly arranged
For the base percentage in standard anaglyph, according to the first current percentage, the second current percentage and first current hundred
Divide and obtain value to be compared than the preset relation between the second current percentage, value to be compared and threshold value comparison obtain three-dimensional
Display effect characterization value, including：The base percentage of first area and the basis of second area in acquisition standard anaglyph
Percentage, wherein, when the base percentage of first area is shown as the first single color state for 3 d display device, in first area
The pixel number of first pixel and the percentage of total pixel number, the base percentage of second area are shown as for 3 d display device
During two single color states, the percentage of the pixel number of the second pixel and total pixel number in second area；By the first current percentage with
The ratio of the base percentage of first area is as the first diversity factor in standard anaglyph；By the second current percentage and standard
The ratio of the base percentage of second area is as the second diversity factor in anaglyph；By the first diversity factor and the second diversity factor
Product is detected test as stereo display effect characterization value is characterized, using image algorithm, and inhuman subjectivity detects, can
More objectively test stereo display effect.
Description of the drawings
Fig. 1 is the flow diagram of the test method of the stereo display effect of first embodiment of the invention；
Fig. 2 is the flow diagram of step S13 in Fig. 1；
Fig. 3 is the structure diagram of the test system of the stereo display effect of second embodiment of the invention；
Fig. 4 is the structure diagram of the filming apparatus of third embodiment of the invention；
Fig. 5 is the structure diagram of the filming apparatus of four embodiment of the invention；
Fig. 6 is the structure diagram of the filming apparatus of fifth embodiment of the invention；
Fig. 7 is the structure diagram of the processor of sixth embodiment of the invention；
Fig. 8 is that the stereo display effect test system of seventh embodiment of the invention carries out the company of stereo display effect test
Connect schematic diagram；
Fig. 9 is that the stereo display effect test system of eighth embodiment of the invention carries out the side of stereo display effect test
Method schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed can also be realized.
The first embodiment of the present invention is related to a kind of test methods of stereo display effect.Idiographic flow as shown in Figure 1,
The test method of stereo display effect includes：
Step S10：Left and right camera for wearing is provided, the distance between left and right camera is adjusted, makes left and right take the photograph
As the distance between head is adapted with the interpupillary distance of wearer.
In embodiments of the present invention, left and right camera is head mounted image-sensing head, including two be arranged on a stent
Small-sized image pickup head.The distance between left and right camera is adjustable, specifically can be according to the human eye interpupillary distance of wearer in 50mm-80mm
In the range of adjust the distance between left and right camera.In embodiment of the present invention human eye is introduced when testing stereo display effect
The influence of interpupillary distance, can it is more accurate, objectively test stereo display effect.
Step S11：The 3D anaglyphs that 3 d display device shows are shot simultaneously using left and right camera, and wherein 3D is regarded
Difference image includes the left view and right view of left and right camera shooting.
In step s 11, the shooting instruction that processor is sent is received, shooting 3 d display device according to shooting instruction shows
3D anaglyphs.When shooting the 3D anaglyphs that 3 d display device is shown, left and right camera shooting connector analog true man's eyes are worn
It is worn over above eyes, when wearer watches 3D display device, left and right camera captures 3D anaglyphs.
Step S12：The pixel number of the first pixel and the first current percentage of total pixel number in left view are calculated, is calculated right
Second current percentage of the pixel number of the second pixel and total pixel number in view, wherein, the first pixel is different from the second pixel.
Before step S12,3D anaglyphs are pre-processed to filter the non-anaglyph picture in periphery.By to 3D
Anaglyph is pre-processed, and extraction anaglyph region avoids influence of the surrounding environment light to judge, so as to more accurate
Stereo display effect is tested on ground.
In embodiments of the present invention, total pixel number refers to the sum of pixel number of all pixels in left view or right view,
The sum of the pixel number of first pixel and the pixel number of the second pixel preferably in left view or right view.
In step s 12, the pixel number of the first pixel and the percentage of total pixel number in first area are calculated, obtains first
Current percentage nL；The pixel number of the second pixel and the percentage of total pixel number in second area are calculated, obtains second current hundred
Divide and compare nR.Wherein, total pixel number represents the sum of pixel number of all pixels in first area or second area respectively.First area
It is region of the 3 d display device correspondence in left camera, second area is 3 d display device correspondence in right camera
Region.First area is set as M1, and second area is set as M2.Using the first pixel as red, for the second pixel is green, the firstth area
The first current percentage nL of the pixel number of the first pixel and total pixel number is the picture of the red pixel in first area in the M1 of domain
The total pixel number of the sum of component of prime number divided by first area M1.And the pixel number of the second pixel and total pixel in second area M2
The second several current percentage nR is the sum of component of pixel number of green pixel in second area M2 divided by second area M2
Total pixel number.Embodiment of the present invention is red using the first current current percentage nR characterizations current screens of percentage nL and second
Green performance.
In the other embodiment of the present invention, can also taking the first pixel, the second pixel is red, further for green
Ground can also take any pixel in R, G, B to be used as the second pixel as any one of the first pixel, other two kinds of pixels,
This is not restricted.
Step S13：It is current according to the first current percentage, the second current percentage and the first current percentage and second
Preset relation between percentage obtains value to be compared, by value to be compared and threshold value comparison, obtains stereo display effect characterization value.
Embodiment of the present invention is detected according to the 3D anaglyphs of acquisition using image algorithm, and inhuman subjective inspection
It surveys, while before 3D anaglyphs are shot, adjusts the distance between left and right camera, make the distance between left and right camera
Be adapted with the interpupillary distance of wearer, so introduce the influence of the interpupillary distance of wearer, can it is objective, accurately evaluate stereoscopic display
Effect.
In embodiments of the present invention, threshold value is correspondingly arranged with preset relation, preset relation for the first current percentage with
Between second current percentage and product, mean value or extreme value at least one.Threshold value can be according to standard anaglyph
It obtains.Wherein, it is acquired when standard anaglyph can be the shape or single color state that 3 d display device is shown as rule
Anaglyph.
The product using preset relation between the first current percentage and the second current percentage, threshold value are correspondingly arranged below
To be illustrated for the base percentage in standard anaglyph：Wherein, standard anaglyph is shown for 3 d display device
Acquired 3D anaglyphs during for single color state, threshold value are set as the base percentage in the standard anaglyph.At this point,
In step S13, more specifically, as shown in Fig. 2, including the following steps：
Step S130：The base percentage of first area in acquisition standard anaglyph and the basic percentage of second area
Than, wherein, when the base percentage of first area is shown as the first single color state for 3 d display device, first in first area
The pixel number of pixel and the percentage of total pixel number, the base percentage of second area are shown as the second list for 3 d display device
During color state, the percentage of the pixel number of the second pixel and total pixel number in second area.
In embodiments of the present invention, in standard anaglyph first area M1 base percentage nR0 and second area
The base percentage nR0 of M2 can be stored in advance, and the first current percentage, second are compared in subsequent step S13 currently
Use is directly extracted during base percentage in percentage and standard anaglyph.It can also be shown by calculating 3 d display device
When being shown as the first single color state, the percentage of the pixel number of the first pixel and total pixel number obtains standard disparity map in first area
The base percentage nL0 of first area M1 as in, when being shown as the second single color state by calculating 3 d display device, second
The percentage of the pixel number of the second pixel and total pixel number obtains the base percentage nR0 of second area M2 in region.Wherein,
One pixel is monochromatic corresponding with first, and the second pixel is monochromatic corresponding with second, the first pixel difference and the second pixel.
In embodiments of the present invention, the first monochromatic preferably red, the second monochromatic preferably green.Standard anaglyph
In first area M1 the first pixel with obtain 3D anaglyphs in first area M1 the first pixel be same color
Pixel.Similarly, the second pixel of the second area M2 in standard anaglyph and second in the 3D anaglyphs obtained
The second pixel of region M2 is the pixel of same color.
Step S131：By the base percentage nL0 of first area M1 in the first current percentage nL and standard anaglyph
Ratio as the first diversity factor.
First diversity factor is used to characterize the red green performance of current screen in first area and the red green performance of best screen
Diversity factor.Its value closer to 1, get over by the current display effect and the display effect of the left view in standard 3D rendering for representing left view
Close, display effect is better.
Step S132：By the base percentage nR0 of second area M2 in the second current percentage nR and standard anaglyph
Ratio as the second diversity factor.
Second diversity factor is used to characterize the red green performance of current screen in second area and the red green performance of best screen
Diversity factor.Its value represents the current display effect of right view and the display effect of the right view in standard anaglyph closer to 1
Closer, display effect is better.
Step S133：Using the product of the first diversity factor and the second diversity factor as characterization stereo display effect characterization value.
The product represents the stereoscopic display in the stereo display effect of 3D anaglyphs and standard anaglyph closer to 1
Effect is closer, and stereo display effect is better.In this way, test is detected using image algorithm, and inhuman subjectivity detects, energy
It is enough more objectively to test stereo display effect.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, are decomposed into multiple steps, as long as comprising identical logical relation, all in the protection domain of this patent
It is interior；To inessential modification is either added in algorithm in flow or introduces inessential design, but do not change its algorithm
Core design with flow is all in the protection domain of the patent.
Second embodiment of the invention is related to a kind of test system of stereo display effect, the test system of stereo display effect
System includes：Filming apparatus and the processor with filming apparatus communication connection.As shown in figure 3, filming apparatus includes left and right camera
And distance adjusting mechanism.
Distance adjusting mechanism is used for：Adjust the distance between left and right camera, make between the left and right camera away from
It is adapted from the interpupillary distance with wearer.
Left and right camera is used for：The 3D anaglyphs that 3 d display device is shown are shot simultaneously, wherein the 3D disparity maps
Left view and right view as including the left and right camera shooting.
Processor includes：Computing module and measure of merit module.Computing module is used to calculate the first pixel in left view
Pixel number and total pixel number the first current percentage, calculate the of the pixel number of the second pixel and total pixel number in right view
Two current percentages, wherein, the first pixel is different from the second pixel.Measure of merit module is connect with computing module, for basis
Preset relation between first current percentage, the second current percentage and the first current percentage and the second current percentage
Value to be compared is obtained, by value to be compared and threshold value comparison, obtains stereo display effect characterization value.
In embodiments of the present invention, total pixel number refers to the sum of pixel number of all pixels in left view or right view,
The sum of the pixel number of first pixel and the pixel number of the second pixel preferably in left view or right view.At embodiment of the present invention
The 3D anaglyphs that reason device is obtained according to filming apparatus are detected using image algorithm, and inhuman subjective detection, are clapped simultaneously
Device is taken the photograph before 3D anaglyphs are shot, also adjusts the distance between left and right camera, make between left and right camera away from
Matched from the interpupillary distance with wearer, so introduce the influence of the interpupillary distance of wearer, can it is objective, accurately evaluate stereoscopic display
Effect.
In embodiments of the present invention, as shown in figure 4, filming apparatus includes left and right camera 11,12 and a stent
13, stent 13 is wear-type structure.Specifically, stent could be provided as picture frame type structure or helmet-type structure, be worn with facilitating
Wearer wears.Left and right shooting head 11,12 is arranged on stent 13, and distance adjusting mechanism (not shown) is by controlling left and right shooting
First 11,12 move on stent, adjust left and right camera 11, the distance between 12.Left and right camera 11, the distance between 12
It is adjustable in the range of 50mm-80mm.The influence of human eye interpupillary distance is introduced in embodiment of the present invention when testing stereo display effect,
Can it is more accurate, objectively test stereo display effect.
Include two fixing pieces 14 on stent 13, left and right camera 11,12 is separately positioned on fixing piece 14.Fixing piece
14 can move freely on stent 13.Distance adjusting mechanism is moved by adjusting two fixing pieces 14 on stent, and then is adjusted
Save left and right camera 11, the distance between 12.
In a more specific embodiment, as shown in figure 5, including a sliding groove 15 on stent 13, two fixing pieces 14 are set
It puts in sliding groove 15, distance adjusting mechanism controls two fixing pieces 14 opposite or reverse motions in sliding groove 15, and then adjusts
Save left and right camera 11, the distance between 12.
In embodiments of the present invention, as shown in fig. 6, filming apparatus further includes communication interface.Communication interface is used to receive
The shooting instruction that processor is sent；The 3D anaglyphs that left and right camera is shown according to shooting instruction shooting 3 d display device.
Communication interface is additionally operable to the 3D anaglyphs of shooting being sent to processor, so that processor facilitates the vertical of test 3D anaglyphs
Body display effect.
In embodiments of the present invention, computing module is used for：Calculate in the M1 of first area the pixel number of the first pixel with it is total
The percentage of pixel number obtains the first current percentage nL；Calculate the pixel number of the second pixel and total pixel in second area M2
Several percentage obtains the second current percentage nR, wherein, the first pixel is different from the second pixel, and first area M1 is three-dimensional
Region of the display device correspondence in left camera, second area M2 are area of the 3 d display device correspondence in right camera
Domain.Using the first pixel as red, for the second pixel is green, the pixel number and total pixel number of the first pixel in the M1 of first area
The first current percentage nL be the sum of component of pixel number of red pixel divided by first area M1 in the M1 of first area
Total pixel number.And the second current percentage nR of the pixel number of the second pixel and total pixel number is second area in second area M2
The total pixel number of the sum of component of pixel number of green pixel in M2 divided by second area M2.Embodiment of the present invention is using the
The one current current percentage nR characterizations red green performances of current screen of percentage nL and second.
In the other embodiment of the present invention, can also taking the first pixel, the second pixel is red, further for green
Ground can also take any pixel in R, G, B to be used as the second pixel as any one of the first pixel, other two kinds of pixels,
This is not restricted.
In embodiments of the present invention, threshold value is correspondingly arranged with preset relation, preset relation for the first current percentage with
Between second current percentage and product, mean value or extreme value at least one.Threshold value can be according to standard anaglyph
It obtains.Wherein, it is acquired when standard anaglyph can be the shape or single color state that 3 d display device is shown as rule
Anaglyph.
The product using preset relation between the first current percentage and the second current percentage, threshold value are correspondingly arranged below
To be illustrated for the base percentage in standard anaglyph：Wherein, standard anaglyph is shown for 3 d display device
Acquired anaglyph during for single color state, threshold value are set as the base percentage in the standard anaglyph.At this point, effect
Test module is used for：The base percentage nL0 of first area in acquisition standard anaglyph and the basic percentage of second area
Compare nR0；It is worth to according to the ratio of the first current percentage nL and base percentage nL0 of first area M1 in standard anaglyph
First diversity factor；According to the ratio of the base percentage nR0 of second area M2 in the second current percentage nR and standard anaglyph
It is worth to the second diversity factor；Using the product of the first diversity factor and the second diversity factor as characterization stereo display effect characterization value.It should
Product represents that the stereo display effect of 3D anaglyphs and the stereo display effect in standard anaglyph are closer closer to 1,
Stereo display effect is better.First diversity factor is used to characterize the red green performance of current screen in first area and best screen is red green
Performance diversity factor, value represents the aobvious of the current display effect of left view and the left view in standard 3D rendering closer to 1
Show that effect is closer.The diversity factor of second area M2 is used to characterize the red green performance of current screen in second area and best screen
The diversity factor of red green performance.Closer to 1, the current display effect and the right side in standard anaglyph for representing right view regard its value
The display effect of figure is closer.
In embodiments of the present invention, in standard anaglyph first area M1 base percentage nR0 and second area
The base percentage nR0 of M2 can be stored in advance, and subsequently directly extraction uses.It can also be calculated by computing module three-dimensional
The percentage of the pixel number of the first pixel and total pixel number, which obtains, when display device is the first single color state, in the M1 of first area marks
The base percentage nL0 of first area M1 in quasi- anaglyph is shown as the second monochromatic shape by calculating 3 d display device
During state, the percentage of the pixel number of the second pixel and total pixel number obtains the base percentage of second area M2 in second area M2
nR0。
Specifically, computing module is additionally operable to：When 3 d display device is the first single color state, calculate in the M1 of first area
The pixel number of first pixel and the percentage of total pixel number obtain the base percentage nL0 of first area M1, wherein, the first picture
Element is monochromatic corresponding with first；When 3 d display device is shown as the second single color state, the second pixel in second area M2 is calculated
Pixel number and total pixel number base percentage nR0, obtain the percentage of second area M2, wherein, the second pixel and second
Monochrome is corresponding, the first pixel difference and the second pixel.
In embodiment of the present invention, the first monochromatic preferably red, the second monochromatic preferably green.In standard anaglyph
First area M1 the first pixel and the first area M1 in the 3D anaglyphs that obtain the first pixel for same color
Pixel.Similarly, the second pixel of the second area M2 in standard anaglyph and the secondth area in the 3D anaglyphs obtained
The second pixel of domain M2 is the pixel of same color.
In embodiments of the present invention, as shown in fig. 7, processor further includes preprocessing module.Preprocessing module for pair
3D anaglyphs are pre-processed to filter the non-anaglyph picture in periphery.3D anaglyphs are carried out by preprocessing module pre-
Processing, extraction anaglyph region, avoids influence of the surrounding environment light to judge, so as to more accurately test stereoscopic display
Effect.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a part for a physical unit or a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude the innovative part of the present invention, it will not be with solving institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
Fig. 8 is the connection diagram that stereo display effect test system carries out stereo display effect test.Processor passes through
USB interface is connect with filming apparatus.Processor can also be connect by other communication interfaces with filming apparatus, not have to limit herein
System.In the other embodiment of the present invention, processor can also carry out wireless connection with filming apparatus.Processor can be clothes
Business device, personal computer, notebook etc..
Fig. 9 is the method schematic diagram that stereo display effect test system carries out stereo display effect test.As shown in figure 9,
Stereo display effect test method includes：
Step 1：The distance between left and right camera is adjusted to be adapted with human eye interpupillary distance.
Human eye interpupillary distance adjustment with specific reference to wearer makes the distance between left camera 11 and right camera 12 and human eye
Interpupillary distance is adapted.
Before step 1, processor detects whether to be connected with left and right camera.If processor is not taken the photograph with left and right
As head connection, then reminded.If processor is connected with left and right camera, subsequent step is performed.
Step 2：Processor sends shooting instruction to left and right camera.
Step 3：Left and right camera receives shooting instruction, is shot.
In step 3, the 3D anaglyphs that left and right camera shooting 3 d display device is shown.
Step 4：Left and right camera shoots 3D anaglyphs and is transmitted to processor.
Step 5：Processor shows preview 3D anaglyphs.
Step 6：Processor tests the stereo display effect of 3D anaglyphs.
Processor is to the test of stereo display effect referring specifically to the test system of the stereo display effect of second embodiment
System part, details are not described herein.
The stereo display effect test system of embodiment of the present invention can be applied to medical domain：Filming apparatus is with calculating
Machine connects, and doctor wears filming apparatus, by adjusting the distance between filming apparatus middle left and right camera, makes left and right camera
The distance between be adapted with the interpupillary distance of wearer, the medical image that computer disposal filming apparatus obtains is objective, accurately survey
Stereo display effect is tried, enables a physician to more accurately observe medical image, and then carries out medical diagnosis on disease.
It is not difficult to find that present embodiment be with the corresponding system embodiment of first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (17)
1. a kind of test method of stereo display effect, which is characterized in that including：
Left and right camera for wearing is provided, adjusts the distance between left and right camera, is made between the left and right camera
Distance be adapted with the interpupillary distance of wearer；
The 3D anaglyphs that 3 d display device shows are shot simultaneously using left and right camera, wherein the 3D anaglyphs packet
Include the left view and right view of the left and right camera shooting；
The first current percentage of the pixel number of the first pixel and total pixel number in the left view is calculated, calculates the right view
In the pixel number of the second pixel and the second current percentage of total pixel number, wherein, first pixel be different from described second
Pixel；
According to the described first current percentage, the second current percentage and the first current percentage and described second
Preset relation between current percentage obtains value to be compared, by the value to be compared and threshold value comparison, obtains stereoscopic display effect
Fruit characterization value.
2. the test method of stereo display effect according to claim 1, which is characterized in that described to adjust left and right camera shooting
The distance between head is the distance adjusted in the range of 50mm-80mm between left and right camera.
3. the test method of stereo display effect according to claim 1, which is characterized in that described to utilize left and right camera shooting
The 3D anaglyphs that head shooting 3 d display device is shown, including：
Receive the shooting instruction that the processor is sent；
According to the shooting instruction, the 3D anaglyphs shown using left and right camera shooting 3 d display device.
4. the test method of stereo display effect according to claim 1, which is characterized in that described to calculate the left view
In the pixel number of the first pixel and the first current percentage of total pixel number, calculate the pixel number of the second pixel in the right view
Before the second current percentage of total pixel number, including：
The 3D anaglyphs are pre-processed to filter the non-anaglyph picture in periphery.
5. the test method of stereo display effect according to claim 1, which is characterized in that the threshold value is preset with described
Relationship is correspondingly arranged, the preset relation between the described first current percentage and the second current percentage and multiply
At least one of product, mean value or extreme value.
6. the test method of stereo display effect according to claim 1, which is characterized in that described to calculate the left view
In the pixel number of the first pixel and the first current percentage of total pixel number, calculate the pixel number of the second pixel in the right view
With the second current percentage of total pixel number, including：
The pixel number of the first pixel and the percentage of total pixel number described in first area are calculated, obtains the described first current percentage
Than, wherein, the first area is region of the 3 d display device correspondence in the left camera；
The pixel number of the second pixel and the percentage of total pixel number described in second area are calculated, obtains the described second current percentage
Than, wherein, the second area is region of the 3 d display device correspondence in the right camera.
7. the test method of stereo display effect according to claim 6, which is characterized in that the preset relation is described
Product between first current percentage and the second current percentage, the threshold value are correspondingly arranged as in standard anaglyph
Base percentage, it is described according to the described first current percentage, the second current percentage and described first current hundred
Point than the preset relation acquisition value to be compared between the described second current percentage, by the value to be compared and threshold value comparison,
Stereo display effect characterization value is obtained, including：
Obtain the base percentage of the first area in the standard anaglyph and the basic percentage of the second area
Than, wherein, when the base percentage of the first area is shown as the first single color state for the 3 d display device, described the
The percentage of the pixel number of first pixel and total pixel number described in one region, the base percentage of the second area is described
When 3 d display device is shown as the second single color state, the pixel number and total pixel number of the second pixel described in the second area
Percentage；
The ratio of the base percentage of first area described in described first current percentage and the standard anaglyph is made
For the first diversity factor；
The ratio of the base percentage of second area described in described second current percentage and the standard anaglyph is made
For the second diversity factor；
Using the product of first diversity factor and second diversity factor as characterization stereo display effect characterization value.
8. a kind of test system of stereo display effect, which is characterized in that including：It filming apparatus and communicates with the filming apparatus
The processor of connection, the filming apparatus include the left and right camera and distance adjusting mechanism for wearing,
The distance adjusting mechanism is used for：Adjust the distance between left and right camera, make between the left and right camera away from
It is adapted from the interpupillary distance with wearer；
The left and right camera is used for：The 3D anaglyphs that 3 d display device is shown are shot simultaneously, wherein the 3D disparity maps
Left view and right view as including the left and right camera shooting；
The processor includes：
Computing module, for calculating the first current percentage of the pixel number of the first pixel and total pixel number in the left view,
The second current percentage of the pixel number of the second pixel and total pixel number in the right view is calculated, wherein, first pixel
Different from second pixel；
Measure of merit module, connect with computing module, for according to the described first current percentage, the second current percentage
And the preset relation between the first current percentage and the second current percentage obtains value to be compared, is treated described
Fiducial value and threshold value comparison obtain stereo display effect characterization value.
9. the test system of stereo display effect according to claim 8, which is characterized in that the left and right camera it
Between distance it is adjustable in the range of 50mm-80mm.
10. the test system of stereo display effect according to claim 8, which is characterized in that the filming apparatus also wraps
Include communication interface,
The left and right camera receives the shooting instruction of the processor transmission via communication interface and is referred to according to the shooting
The 3D anaglyphs that shooting 3 d display device is enabled to show.
11. the test system of stereo display effect according to claim 8, which is characterized in that the filming apparatus also wraps
Stent is included, on the bracket, the distance adjusting mechanism is by controlling the left and right shooting for the left and right shooting head setting
Head moves on the bracket, adjusts the distance between described left and right camera.
12. the test system of stereo display effect according to claim 11, which is characterized in that set two on the stent
A fixing piece, the left and right camera are provided respectively therein on a fixing piece, and the distance adjusting mechanism passes through tune
It saves described two fixing pieces to move on the bracket, and then adjusts the distance between described left and right camera.
13. the test system of stereo display effect according to claim 12, which is characterized in that set one on the stent
Sliding groove, two fixing pieces are arranged in the sliding groove, and the distance adjusting mechanism controls two fixing pieces to exist
Opposite or reverse motions in the sliding groove, and then adjust the distance between described left and right camera.
14. the test system of stereo display effect according to claim 8, which is characterized in that the processor further includes
The preprocessing module being connect with the computing module, the preprocessing module for the 3D anaglyphs are pre-processed with
Filter the non-anaglyph picture in periphery.
15. the test system of stereo display effect according to claim 8, which is characterized in that the threshold value with it is described pre-
If relationship is correspondingly arranged, the preset relation between the described first current percentage and the second current percentage and
At least one of product, mean value or extreme value.
16. the test system of stereo display effect according to claim 8, which is characterized in that the computing module is also used
In：
Using the pixel number of the first pixel in the first area and the percentage of total pixel number as the described first current percentage,
Wherein, the first area is region of the 3 d display device correspondence in the left camera；
Using the pixel number of the second pixel in the second area and the percentage of total pixel number as the described second current percentage,
Wherein, the second area is region of the 3 d display device correspondence in the right camera.
17. the test system of stereo display effect according to claim 16, which is characterized in that the preset relation is institute
The product between the first current percentage and the second current percentage is stated, the threshold value is correspondingly arranged as standard anaglyph
In base percentage, the measure of merit module is used for：
The base percentage of the base percentage of first area and the second area described in the standard anaglyph is obtained,
Wherein, when the base percentage of the first area is shown as the first single color state for the 3 d display device, described first
The percentage of the pixel number of first pixel and total pixel number described in region, the base percentage of the second area is described vertical
When body display device is shown as the second single color state, the pixel number of the second pixel described in the second area and total pixel number
Percentage；
The ratio of the base percentage of first area described in described first current percentage and the standard anaglyph is made
For the first diversity factor；
The ratio of the base percentage of second area described in described second current percentage and the standard anaglyph is made
For the second diversity factor；
Using the product of first diversity factor and second diversity factor as characterization stereo display effect characterization value.
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