CN102378016A - Method for playing corresponding stereoscopic images according to different viewing angles and system for processing stereoscopic images - Google Patents
Method for playing corresponding stereoscopic images according to different viewing angles and system for processing stereoscopic images Download PDFInfo
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- CN102378016A CN102378016A CN2010102585948A CN201010258594A CN102378016A CN 102378016 A CN102378016 A CN 102378016A CN 2010102585948 A CN2010102585948 A CN 2010102585948A CN 201010258594 A CN201010258594 A CN 201010258594A CN 102378016 A CN102378016 A CN 102378016A
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Abstract
The invention discloses a method for playing corresponding stereoscopic images according to different viewing angles and a relevant image processing system. The method for playing the stereoscopic images comprises the following steps of: detecting a viewing angle which is formed between a display device and a pair of shutter glasses by using a detection module; playing a plurality of groups of stereoscopic images which respectively have different viewing angles by using the display device at a specific frequency; transmitting a synchronous control signal which corresponds to the viewing angle to the pair of shutter glasses by using the detection module; and according to the synchronous control signal, controlling the shutter switching frequency of the pair of shutter glasses to make the pair of shutter glasses receive a group of stereoscopic images, corresponding to the viewing angle, in the plurality of groups of stereoscopic images.
Description
Technical field
The present invention relates to a kind of stereopsis player method and coherent video treatment system thereof, particularly relate to a kind of method and coherent video treatment system thereof of playing corresponding stereopsis according to different visual angles.
Background technology
Generally speaking; The operation principle of stereopsis promptly is that the image that image that left eye is seen and right eye are seen is sent to left eye and right eye respectively; Through the angle difference at right and left eyes visual angle, and make the received image of right and left eyes in user's brain, be superimposed as a stereopsis with the depth of field and stereovision.Common stereopsis generation method has modes such as polaroid glasses (polarizing glasses), shutter glasses (shutterglasses), red green (indigo plant) anaglyph spectacles (anaglyph) and the stereo display of bore hole formula.Below be to introduce its operation principle to the shutter glasses that comparatively generally uses.
The operation principle of shutter glasses is to adopt the left and right sides mirror shutter mode of switch in regular turn in turn that lets, and when the mirror shutter of right eye is opened, can export to the image that right eye is seen synchronously on the screen; When the mirror shutter of left eye was opened, the image on the screen also can be exported to the image that left eye is seen synchronously.What the American-European now I-MAX stereophonic cinema that prevails just gradually and three-dimensional arenas more both domestic and external adopted is exactly this kind technology.At the moment image is neglected secretly brightly suddenly when wearing shutter glasses, and the speed that mirror shutter switches must be very fast, and per second wants switch more than 60 times at least usually, the unlikely sense of discomfort that causes the wearer of.
Aspect the use shutter glasses; The user wore the step except accomplishing earlier, because the restriction that stereopsis has certain viewing angles usually before viewing and admiring stereopsis; Therefore; The user who wears shutter glasses must meet this certain viewing angles with the relative angle of the display unit of playing stereopsis, as is positioned at the dead ahead of display unit, so can watch stereopsis.
In order to solve the above-mentioned problem that only can watch stereopsis from single visual angle; The method of the visible angle of many increase stereopsis in response to and give birth to; Common mode is through the visible angle scope of algorithm with the expansion stereopsis in stereopsis manufacturing process; Be used to increase the convenience of stereopsis on watching, thereby reach the effect of can many people watching.Yet aforesaid way can bring complicated calculation process, and then increases the difficulty of stereopsis on making; In addition; Though this kind mode can allow the user on diverse location, all can watch stereopsis; But because the image that the user watched all is the stereopsis on same view angle, therefore, the stereoscopic vision impression that this kind mode can provide is still obvious inadequately and true.
Summary of the invention
Therefore, the object of the present invention is to provide and a kind ofly play the method and the coherent video treatment system thereof of corresponding stereopsis, to address the above problem according to different visual angles.
The present invention provides a kind of and plays the method for corresponding stereopsis according to different visual angles, and it includes and utilizes a detection module to detect a display unit and the folded visual angle of a shutter glasses; This display unit is play the many groups stereopsis that has different visual angles respectively with a CF; This detection module transmits a synchronous control signal that should the visual angle to this shutter glasses; And according to the shutter release frequency of this shutter glasses of this synchronous control signal control, so that this shutter glasses receives in these many group stereopsis one group of stereopsis that should the visual angle.
The present invention provides a kind of in addition and plays the image processing system of corresponding stereopsis according to different visual angles, and it includes a display unit, and it is used for playing many group stereopsis with a CF; One shutter glasses, it is positioned at this display unit and presss from both sides on the position at a visual angle, and this shutter glasses is used for receiving in these many group stereopsis one group of stereopsis that should the visual angle; And a detection module, it is coupled to this display unit and this shutter glasses, and this detection module is to be used for detecting this visual angle, and transmits a synchronous control signal that should the visual angle to this shutter glasses, is used to control the shutter release frequency of this shutter glasses.
In sum; Image processing system provided by the present invention is the distance of utilizing between infra-red ray detection device detection and the shutter glasses; To utilize the cosine law to calculate detection module and the folded visual angle of shutter glasses; Thereby accomplish horizontal location and perpendicular positioning between detection module and the shutter glasses; And then transmit synchronous control signal to shutter glasses that should the visual angle controlling its shutter release frequency, so that shutter glasses receives in many group stereopsis to one group of stereopsis that should the visual angle, thus; The present invention can allow the user who wears shutter glasses to watch corresponding stereopsis in different visual angles, and then offers user's visual experience of three-dimensional more.
Description of drawings
Fig. 1 is the function block schematic diagram according to the image processing system that the embodiment of the invention proposed;
Fig. 2 is the sketch map of image processing system shown in Figure 1;
Fig. 3 image processing system shown in Figure 2 for the present invention utilizes play the flow chart of the method for corresponding stereopsis according to different visual angles;
When Fig. 4 is positioned at position C and position C ' for shutter glasses and the relative position sketch map of first infra-red ray detection device and second infra-red ray detection device;
When Fig. 5 is positioned at position E and position E ' for shutter glasses and the relative position sketch map of first infra-red ray detection device and the 3rd infra-red ray detection device;
Fig. 6 is the shutter glasses shown in Figure 2 and the relative position sketch map of first infra-red ray detection device and second infra-red ray detection device;
Fig. 7 is the shutter glasses shown in Figure 2 and the relative position sketch map of first infra-red ray detection device and the 3rd infra-red ray detection device.
The main element symbol description
10 image processing systems, 12 display unit
14 shutter glasses, 16 detection modules
18 first infra-red ray detection devices, 20 second infra-red ray detection devices
22 the 3rd infra-red ray detection devices, 24 processing units
26 vertical center axis, 28 trunnion axis
30 horizontal planes, 32 vertical central plane
Embodiment
A specific embodiment of the present invention is to utilize infra-red ray detection device to detect shutter glasses and be used for playing the not distance between the display unit of the stereopsis of corresponding different visual angles of multicomponent; Be used to utilize the cosine law to calculate display unit and the folded visual angle of shutter glasses; Thereby accomplish the two-dimensional localization or the purpose of three-dimensional localization; And then transmit synchronous control signal to shutter glasses that should the visual angle to control its shutter release frequency; So that shutter glasses receives in above-mentioned many group stereopsis one group of stereopsis that should the visual angle; Be used to reach and allow the user who wears shutter glasses can watch the purpose of corresponding stereopsis, and then offer user's visual experience of three-dimensional more in different visual angles.What need explanation is, owing to be used for two-dimensional localization or the design of three-dimensional localization is common in the background technology, and the reflector of a kind of electromagnetic field three-dimensional space navigation system that is disclosed like TaiWan, China patent announcement numbers 457447; Wherein this reflector is in receiving coil X, Y, and Z is near emission axes of coordinates x; Y, meeting conversion transmitting coil X during z, Y; The electromagnetic field that Z launched; Be conversion emission axes of coordinates, increasing the accuracy of tracing and positioning, or a kind of detector that uses continuous wave ultrasonic waves signal and make most receivers of apparatus of being disclosed of TaiWan, China patent announcement I298779 is with the system of the location of decision setting element etc.; Therefore; The present invention is used for carrying out the design that two-dimensional localization or the mode of three-dimensional localization between display unit and the shutter glasses are not limited to above-mentioned use infrared detection; That is to say and all belong to protection category of the present invention so long as utilize the design of detection module with the location of carrying out display unit and shutter glasses.
See also Fig. 1, it is for according to the function block schematic diagram of the image processing system 10 that one embodiment of the invention proposed, and image processing system 10 includes a display unit 12, a shutter glasses 14, and a detection module 16; Display unit 12 is used for playing the many groups stereopsis have different visual angles respectively with a CF, and display unit 12 can be general common image playback equipment, like liquid crystal indicator etc.; Shutter glasses 14 is positioned on the position with display unit 12 folder one visual angle, and in this embodiment, shutter glasses 14 preferably is an infrared ray shutter glasses, and it is used for receiving in these many group stereopsis one group of stereopsis that should the visual angle; Detection module 16 is coupled to display unit 12 and shutter glasses 14, and detection module 16 is to be used for detecting this visual angle, and transmits a synchronous control signal to shutter glasses 14 that should the visual angle.
Please consult Fig. 1 and Fig. 2 simultaneously; Fig. 2 is the sketch map of image processing system 10 shown in Figure 1; Detection module 16 includes one first infra-red ray detection device 18, one second infra-red ray detection device 20, one the 3rd infra-red ray detection device 22, and a processing unit 24; First infra-red ray detection device 18, second infra-red ray detection device 20 and the 3rd infra-red ray detection device 22 all can be the general common infrared facility that is used for detecting distance; In this embodiment; First infra-red ray detection device 18, second infra-red ray detection device 20; And the 3rd infra-red ray detection device 22 be used for respectively detecting and shutter glasses 14 between distance, and can know that first infra-red ray detection device 18 is arranged on the position of a vertical center axis 26 of corresponding display unit 12 by Fig. 2; In this embodiment; It preferably is arranged on the position of the corresponding vertical center axis 26 of upside of display unit 12, and second infra-red ray detection device 20 is arranged at first infra-red ray detection device 18 and is positioned on the position of same trunnion axis 28, in this embodiment; It preferably is arranged on the position in the upper left corner of display unit 12; The 3rd infra-red ray detection device 22 then is to be arranged on another position of vertical center axis 26 of corresponding display unit 12, and in this embodiment, it preferably is arranged on the position of the corresponding vertical center axis 26 of downside of display unit 12; Processing unit 24 is coupled to first infra-red ray detection device 18, second infra-red ray detection device 20; And the 3rd infra-red ray detection device 22; Processing unit 24 can be general common processor with data operation and controlled function; Processing unit 24 is used for according to first infra-red ray detection device 18, second infra-red ray detection device 20; And the 3rd 22 of infra-red ray detection devices detect and the distance and the cosine law of shutter glasses 14 calculate this folded between shutter glasses 14 and the display unit 12 visual angle, can know by Fig. 2 that wherein this visual angle includes shutter glasses 14 one first bias angle theta folded with respect to first infra-red ray detection device 18 and trunnion axis 28
1And shutter glasses 14 one second bias angle theta folded with respect to first infra-red ray detection device 18 and vertical center axis 26
2In addition; Processing unit 24 also is used for controlling first infra-red ray detection device 18 and transmits this synchronous control signal to shutter glasses 14 that should the visual angle; So be the shutter release frequency of may command shutter glasses 14 so that shutter glasses 14 can receive accordingly that display unit 12 play should many group stereopsis in to this group stereopsis that should the visual angle.
Then, see also Fig. 3, its image processing system shown in Figure 2 for the present invention utilizes 10 is play the flow chart of the method for corresponding stereopsis according to different visual angles, and its method comprises the following step.
Step 300: utilize detection module 16 to detect the folded visual angle of display unit 12 and shutter glasses 14;
Step 302: display unit 12 is play the many groups stereopsis that has different visual angles respectively with a CF;
Step 304: detection module 16 transmits a synchronous control signal to shutter glasses 14 that should the visual angle;
Step 306: according to the shutter release frequency of this synchronous control signal control shutter glasses 14, so that shutter glasses 14 receives in these many group stereopsis one group of stereopsis that should the visual angle.
Be described in detail to above-mentioned steps at this.In step 300, image processing system 10 is that utilization detection module 16 detects first bias angle theta as shown in Figure 2
1And second bias angle theta
2Testing result; Be used to carry out the location of shutter glasses 14; In other words, in this embodiment, image processing system 10 is to calculate shutter glasses 14 with respect to first infra-red ray detection device, 18 horizontal-shifts and the mode of angle of skew vertically downward; Accomplish horizontal location and the perpendicular positioning of shutter glasses 14, and then make detection module 16 have the effect of three-dimensional localization to the detection of shutter glasses 14 with respect to display unit 12.Below be to how utilizing detection module 16 to carry out detailed explanation with respect to the angle of first infra-red ray detection device, 18 horizontal-shifts and skew vertically downward to calculate shutter glasses 14.
At first; Need explanation be shutter glasses 14 in the differing heights position relative first infra-red ray detection device 18 and with the variation of the folded drift angle of trunnion axis 28; See also Fig. 4; The relative position sketch map of (position C and C ' can get the left eyeglass of shutter glasses 14 to the center position between the right eyeglass) and first infra-red ray detection device 18 and second infra-red ray detection device 20 when it is positioned at position C and position C ' for shutter glasses 14; Wherein the position at first infra-red ray detection device 18 place is made as position A (being the position of the corresponding vertical center axis 26 of upside of display unit 12 as shown in Figure 2); The position at second infra-red ray detection device 20 place is made as position B (being the position in the upper left corner of display unit 12 as shown in Figure 2); When shutter glasses 14 in the position during C; Represent shutter glasses 14 and trunnion axis 28 to be positioned at the line and the trunnion axis 28 folder one drift angle α (being ∠ BAC) of same horizontal plane (being a horizontal plane 30 shown in Figure 4) and the shutter glasses 14 and first infra-red ray detection device 18; When shutter glasses 14 in the position during C ' (representing shutter glasses 14 vertically to move down a segment distance) at relative position C, the line of the shutter glasses 14 and first infra-red ray detection device 18 and trunnion axis 28 folders one drift angle α
1(being ∠ BAC '); Position C ' then is the vertical height of corresponding display unit 12 from top margin to base with respect to the variable in distance scope of position C; For instance; Suppose that display unit 12 is one 32 cun liquid crystal screens (promptly representing the distance of position A and position B to approximate 33cm), then position C ' drops on 0 in the scope of 36cm with respect to the variable in distance appointment of position C; Next; The distance of assumed position C C ' to the position equals 36cm; Then because position A and the distance of position C and the distance of position B and position C can utilize the infrared induction between first infra-red ray detection device 18 and second infra-red ray detection device 20 and the shutter glasses 14 to obtain respectively, add by above-mentioned hypothesis and can know, the distance of position A and position B equals 33cm; Therefore; The angle numerical value of drift angle α (the being ∠ BAC) cosine law capable of using is calculated and get that (distance of supposing to record the AC distance is 450cm, and BC is apart from being 434cm, α=cos
-1{ [(450) ^2+ (33) ^2-(434) ^2]/[2* (450) * (33)] }=60 degree; And because ∠ ACC ' is the right angle; So (AC ' ^2=AC^2+CC ' ^2) tries to achieve and is 451.4cm AC ' distance Pythagorean theorem capable of using, and in like manner BC ' distance can be tried to achieve and is 435.5cm, so can try to achieve α according to the cosine law again
1=59.4 degree).
According to above-mentioned computing flow process, it can draw drift angle α
1Approximate the result of calculation of drift angle α; If calculate with respect to the distance (excursion can be 0 to 36cm) of position C and according to above-mentioned computing flow process and change the angle (excursion can be 0 degree to 180 degree) of drift angle α or change position C ', also can likewise draw drift angle α
1Approximate the result of calculation of drift angle α, for instance, the distance that the distance of assumed position C C ' to the position equals 20cm and records the AC distance is 500cm, and the BC distance is 471.7cm, α=cos
-1{ [(500) ^2+ (33) ^2-(471.7) ^2]/[2* (500) * (33)] }=30 degree; And because ∠ ACC ' is the right angle; So (AC ' ^2=AC^2+CC ' ^2) tries to achieve and is 500.4cm AC ' distance Pythagorean theorem capable of using, and in like manner BC ' distance can be tried to achieve and is 472.1cm, so can try to achieve α according to the cosine law again
1=29.9 degree (meaning promptly approximate drift angle α) illustrate with angle changes as for other distances, and it can be by that analogy; In sum, no matter how position C ' changes with respect to the distance of position C, when shutter glasses 14 is positioned in the C ' of position, the drift angle α that the line of the shutter glasses 14 and first infra-red ray detection device 18 and trunnion axis 28 are folded
1All can be equal in fact when shutter glasses 14 and be positioned in the C of position; The drift angle α that the line of the shutter glasses 14 and first infra-red ray detection device 18 and trunnion axis 28 are folded; Therefore; As long as deduct drift angle α with 90 degree again; Its calculate and complementary angle angle can be regarded as shutter glasses 14 in fact and be positioned at position C the time; The folded angle of the line of the shutter glasses 14 and first infra-red ray detection device 18 and the vertical central plane 32 shown in Fig. 4 (above-mentioned vertical central plane 32 for through vertical center axis 26 and with horizontal plane 30 mutually perpendicular planes), and this complementary angle angle can be defined as above-mentioned mentioned shutter glasses 14 angle with respect to first infra-red ray detection device, 18 horizontal-shifts on horizontal plane 30.
From the above; No matter the position of shutter glasses 14 why; Detection module 16 utilizes line and the trunnion axis 28 folded drift angles of the shutter glasses 14 that the cosine law calculates and first infra-red ray detection device 18 all to can be considered shutter glasses 14 and moves vertically to 30 last times of horizontal plane from the script position; The drift angle that the line of the shutter glasses 14 and first infra-red ray detection device 18 and trunnion axis 28 are folded; Next; As long as deduct with 90 degree that detection module 16 is detected again the drift angle, its calculate and must the complementary angle angle just can be regarded as shutter glasses 14 angle with respect to first infra-red ray detection device, 18 horizontal-shifts on horizontal plane 30 as described above, so can reach and utilize first infra-red ray detection device 18 and second infra-red ray detection device 20 purpose with horizontal location shutter glasses 14.
Next explanation be shutter glasses 14 in the varying level position with respect to first infra-red ray detection device 18 and with the variation of the folded drift angle of vertical center axis 26; See also Fig. 5; The relative position sketch map of (position E and E ' can get the left eyeglass of shutter glasses 14 to the center position between the right eyeglass) and first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22 when it is positioned at position E and position E ' for shutter glasses 14; Wherein the position at first infra-red ray detection device 18 place is made as position A (being the position of the corresponding vertical center axis 26 of upside of display unit 12 as shown in Figure 2) equally; The position at the 3rd infra-red ray detection device 22 place is made as position D (being the position of the corresponding vertical center axis 26 of downside of display unit 12 as shown in Figure 2); When shutter glasses 14 in the position during E; Represent shutter glasses 14 on vertical central plane 32 and the line of the shutter glasses 14 and first infra-red ray detection device 18 and vertical center axis 26 folder one drift angle β (being ∠ EAD); When shutter glasses 14 in the position during E ' (representing shutter glasses 14) at the traversing segment distance of relative position E level, the line of the shutter glasses 14 and first infra-red ray detection device 18 and vertical center axis 26 folders one drift angle β
1(being ∠ E ' AD); Position E ' then is the horizontal range of corresponding display unit 12 from vertical center axis 26 to side with respect to the variable in distance scope of position E; For instance; Suppose that display unit 12 is one 32 cun liquid crystal screens (promptly representing the distance of position A and position D to approximate 36cm), then position E ' drops on 0 in the scope of 33cm with respect to the variable in distance appointment of position E; Next; The distance of assumed position E E ' to the position equals 33cm; Then because position A and the distance of position E and the distance of position D and position E can utilize the infrared induction between first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22 and the shutter glasses 14 to obtain respectively; Add from the above, the distance of position A and position D equals 36cm, so the angle numerical value of drift angle β (the being ∠ EAD) cosine law capable of using is calculated and get and (suppose that it is 450cm that first infra-red ray detection device 18 records the AE distance; And the 3rd infra-red ray detection device 22 records DE apart from 433.12cm; β={ [(450) ^2+ (36) ^2-(433.12) ^2]/[(2* (36) * (450)] }=60 degree, and because ∠ AEE ' be the right angle is 451.2cm so AE ' tries to achieve apart from Pythagorean theorem capable of using (AE ' ^2=AE^2+EE ' ^2); In like manner DE ' distance can be tried to achieve and is 434.37cm, so can try to achieve β according to the cosine law again
1=60.08 degree).
According to above-mentioned computing flow process, it can draw drift angle β
1Approximate the result of calculation of drift angle β; If calculate with respect to the distance (excursion can be 0 to 33cm) of position E and according to above-mentioned computing flow process and change the angle (excursion can be 0 degree to 90 degree) of drift angle β or change position E ', also can likewise draw drift angle β
1Approximate the result of calculation of drift angle β, for instance, the distance that the distance of assumed position E E ' to the position equals 20cm and records the AE distance is 500cm, and the DE distance is 469.17cm, β=cos
-1{ [(500) ^2+ (36) ^2-(469.17) ^2]/[2* (500) * (36)] }=30 degree; And because ∠ AEE ' is the right angle; So (AE ' ^2=AE^2+EE ' ^2) tries to achieve and is 500.4cm AE ' distance Pythagorean theorem capable of using; In like manner DE ' distance can be tried to achieve and is 469.59cm, so can try to achieve β according to the cosine law again
1=30.06 degree (meaning promptly approximate drift angle β) illustrate with angle changes as for other distances, and it can be by that analogy; In sum, no matter how position E ' changes with respect to the distance of position E, when shutter glasses 14 is positioned in the E ' of position, the drift angle β that the line of the shutter glasses 14 and first infra-red ray detection device 18 and vertical center axis 26 are folded
1All can be equal in fact when shutter glasses 14 and be positioned in the E of position; The drift angle β that the line of the shutter glasses 14 and first infra-red ray detection device 18 and vertical center axis 26 are folded; Therefore; As long as deduct drift angle β with 90 degree again, its institute calculate and must complementary angle angle can be regarded as shutter glasses 14 in fact and be positioned at position E the time, the angle that the line of the shutter glasses 14 and first infra-red ray detection device 18 and horizontal plane 30 are folded; And this complementary angle angle can be defined as the angle that above-mentioned mentioned shutter glasses 14 squints with respect to first infra-red ray detection device 18 vertically downward on vertical central plane 32.
From the above; No matter the position of shutter glasses 14 why; Detection module 16 utilizes line and the vertical center axis 26 folded drift angles of the shutter glasses 14 that the cosine law calculates and first infra-red ray detection device 18 all to can be considered shutter glasses 14 and moves to 32 last times of vertical central plane from the script position level; The drift angle that the line of the shutter glasses 14 and first infra-red ray detection device 18 and vertical center axis 26 are folded; Next; As long as deduct the drift angle that detection module 16 is detected and get with 90 degree again; Its calculate and the complementary angle angle just can be regarded as the angle that shutter glasses 14 squints with respect to first infra-red ray detection device 18 vertically downward as described above on vertical central plane 32, so can reach and utilize first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22 purpose with perpendicular positioning shutter glasses 14.
Below be to carry out first bias angle theta as shown in Figure 2 with reference to above-mentioned computing flow process
1Detection, see also Fig. 6, it is the shutter glasses 14 shown in Figure 2 and the relative position sketch map of first infra-red ray detection device 18 and second infra-red ray detection device 20; Aspect the distance calculation of shutter glasses 14 and first infra-red ray detection device 18 and second infra-red ray detection device 20, first infra-red ray detection device 18 can according to IR wavelength and and shutter glasses 14 between infrared ray transmitting-receiving Time Calculation go out and shutter glasses 14 between one first apart from d
1, likewise, second infra-red ray detection device 20 also can according to IR wavelength and and shutter glasses 14 between infrared ray transmitting-receiving Time Calculation go out and shutter glasses 14 between a second distance d
2Accomplish first apart from d
1With second distance d
2Detection after, processing unit 24 can be according to first apart from d
1, second distance d
2, the distance between first infra-red ray detection device 18 and second infra-red ray detection device 20, and the cosine law calculates first bias angle theta
1, and from the above, first bias angle theta
1Can be regarded as in fact shutter glasses 14 move vertically to from the script position horizontal plane 30 back with respect to first infra-red ray detection device 18 and with the folded drift angle of trunnion axis 28, therefore, if deduct first bias angle theta with 90 degree again
1 Processing unit 24 can calculate shutter glasses 14, and to move vertically to horizontal plane 30 back be the angle that datum mark is squinted with respect to vertical central plane 32 from the script position with first infra-red ray detection device 18, thereby reach the purpose of above-mentioned mentioned horizontal location shutter glasses 14.
In second bias angle theta
2Context of detection, see also Fig. 7, it is the shutter glasses 14 shown in Figure 2 and the relative position sketch map of first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22; Aspect the distance calculation of shutter glasses 14 and first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22, first infra-red ray detection device 18 can according to IR wavelength and and shutter glasses 14 between infrared ray transmitting-receiving Time Calculation go out and shutter glasses 14 between first apart from d
1, likewise, the 3rd infra-red ray detection device 22 also can according to IR wavelength and and shutter glasses 14 between infrared ray transmitting-receiving Time Calculation go out and shutter glasses 14 between one the 3rd apart from d
3Accomplish first apart from d
1With the 3rd apart from d
3Detection after, processing unit 24 can be according to first apart from d
1, the 3rd apart from d
3, the distance between first infra-red ray detection device 18 and the 3rd infra-red ray detection device 22, and the cosine law calculates second bias angle theta
2, and from the above, second bias angle theta
2Can be regarded as in fact shutter glasses 14 from the script position level traversing to vertical central plane 32 back with respect to first infra-red ray detection device 18 and with the folded drift angle of vertical center axis 26, therefore, if deduct second bias angle theta with 90 degree again
2 Processing unit 24 can calculate shutter glasses 14, and to move to vertical central plane 32 back from the script position level be datum mark 30 angles that squinted with respect to the horizontal plane with first infra-red ray detection device 18, thereby reach the purpose of above-mentioned mentioned perpendicular positioning shutter glasses 14.
In brief, in step 300, through use detection module 16 to shutter glasses 14 with respect to first infra-red ray detection device 18 and respectively with the first folded bias angle theta of trunnion axis 28 and vertical center axis 26
1And second bias angle theta
2Detection, image processing system 10 can detect shutter glasses 14 with respect to first infra-red ray detection device 18 deviation angle in the horizontal direction and downward deviation angle in vertical direction, thereby reaches the purpose of three-dimensional localization.
Next; In step 302; Display unit 12 is play with this CF has the many group stereopsis of being somebody's turn to do of different visual angles respectively; In this embodiment, display unit 12 preferably shows the right and left eyes image in these many group stereopsis with staggered in turn mode in regular turn under the display speed of per second 120 images, show three groups of stereopsis as interlocking in regular turn; Just with the left-eye images of non-migration, the squint left-eye images of 15 degree, squint right-eye image, the right-eye image of 15 degree that squints left of left-eye images, non-migration of 15 degree to the right left, and the image order of the right-eye image of 15 degree that squint is to the right play in regular turn.It should be noted that; Should organize stereopsis can be preferably to utilize the filming image mode to make and get in the different visual angles position more; The group number of the stereopsis of under this CF, being play as for display unit 12 with different visual angles, it is to look closely the practical application request of image processing system 10 and decide.
Play in the process that has the many group stereopsis of being somebody's turn to do of different visual angles respectively with this CF in display unit 12; Detection module 16 will transmit this synchronous control signal to shutter glasses 14 (step 304) that should the visual angle; Then; Shutter glasses 14 can be according to the switching frequency of the shutter on this its left and right sides eyeglass of synchronous control signal control; Shutter glasses 14 is received in these many group stereopsis one group of stereopsis (step 306) that should the visual angle, and then reach the user to watching purpose through shutter glasses 14 on should the position at visual angle stereopsis that should the visual angle.For instance; Suppose that display unit 12 is under the display speed of per second 120 images, to play the left-eye images of non-migration, the squint left-eye images of 15 degree, squint right-eye image, the squint right-eye image of 15 degree left of left-eye images, non-migration of 15 degree to the right left in regular turn with in turn staggered mode; And the right-eye image of 15 degree that squint to the right; At this moment; If it is datum mark with respect to vertical central plane 32 15 degree that squint left with first infra-red ray detection device 18 only that detection module 16 detects shutter glasses 14; Then detection module 16 will transmit a corresponding synchronous control signal to shutter glasses 14; The shutter that is used to control on the left and right sides eyeglass of shutter glasses 14 is only opened when display unit 12 is play the right and left eyes image of 15 degree that squint left respectively, and then allows the user can see the stereopsis of 15 degree that squint via persistence of vision principle left.
What deserves to be mentioned is; Above-mentioned the 3rd infra-red ray detection device 22 is an omissible element; Be used to simplify the mechanism design of image processing system 10 and reduce its needed data processing operation amount in visual angle detection and image broadcast; That is to say that image processing system 10 can omit the configuration of the 3rd infra-red ray detection device 22 and only have the function of horizontal location, meaning is that only can to detect shutter glasses 14 be the angle that datum mark is squinted with respect to vertical central plane 32 with first infra-red ray detection device 18 on horizontal plane 30 to detection module 16; As for adopting which kind of configuration, look closely the practical application request of image processing system 10 and decide.
In addition; Image processing system 10 also can be applicable in the environment for use that many people watch; In other words; If there is the user more than two to wear the stereopsis of shutter glasses 14 simultaneously to watch display unit 12 to be play; Then image processing system 10 detection modules 16 capable of using carry out the visual angle to each shutter glasses 14 and detect, and then utilize the mode of above-mentioned use synchronous control signal with the shutter release frequency of controlling each shutter glasses 14 again, and it watches the stereopsis at visual angle to allow each user can see correspondence respectively.As for the transmission of synchronous control signal design, it can adopt method of communicating signals common in the background technology, as transmitting corresponding synchronous control signal respectively with mode one to one, transmitting simultaneously with broadcast mode etc.
Being compared to background technology only can let the user watch stereopsis or in a permission angular field of view, see the stereopsis with same view angle from single visual angle; Image processing system provided by the present invention is the distance of utilizing between infra-red ray detection device detection and the shutter glasses; To utilize the cosine law to calculate detection module and the folded visual angle of shutter glasses; Thereby accomplish horizontal location and perpendicular positioning between detection module and the shutter glasses; And then transmit synchronous control signal to shutter glasses that should the visual angle to control its shutter release frequency; So that shutter glasses receives in many group stereopsis one group of stereopsis that should the visual angle; Thus, the present invention can allow the user who wears shutter glasses to watch corresponding stereopsis in different visual angles, and then offers user's visual experience of three-dimensional more.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. play the method for corresponding stereopsis according to different visual angles for one kind, it includes:
Utilize a detection module to detect a display unit and the folded visual angle of a shutter glasses;
This display unit is play the many groups stereopsis that has different visual angles respectively with a CF;
This detection module transmits a synchronous control signal that should the visual angle to this shutter glasses; And
Based on the shutter release frequency of this shutter glasses of this synchronous control signal control, so that this shutter glasses receives in these many group stereopsis one group of stereopsis that should the visual angle.
2. the method for claim 1, wherein utilize this detection module to detect this display unit and this folded visual angle of this shutter glasses includes:
Utilization be arranged at that locational one first infra-red ray detection device to a vertical center axis that should display unit detects and this shutter glasses between one first distance;
Utilization be arranged on this display unit and this first infra-red ray detection device locational one second infra-red ray detection device of same trunnion axis detect and this shutter glasses between a second distance; And
According to the distance between this first distance, this second distance, this first infra-red ray detection device and this second infra-red ray detection device, and the cosine law calculates one first drift angle at this visual angle;
Wherein this first drift angle is essentially this shutter glasses complementary angle of the angle of a vertical central plane horizontal-shift of this display unit relatively.
3. method as claimed in claim 2, wherein utilize this detection module this display unit of detection and this folded visual angle of this shutter glasses to include in addition:
Utilization be arranged at that another locational one the 3rd infra-red ray detection device to this vertical center axis that should display unit detects and this shutter glasses between one the 3rd distance;
According to the distance between this first distance, the 3rd distance, this first infra-red ray detection device and the 3rd infra-red ray detection device, and the cosine law calculates one second drift angle at this visual angle;
Wherein this second drift angle is essentially this shutter glasses complementary angle of the angle of a horizontal plane vertical shift of this display unit relatively.
4. the method for claim 1, wherein this display unit is play the many groups stereopsis that has different visual angles respectively with this CF and is included:
This display unit is play with the frequency of 120Hz has the many group stereopsis of being somebody's turn to do of different visual angles respectively.
5. play the image processing system of corresponding stereopsis according to different visual angles for one kind, it includes:
Display unit, it is used for playing many group stereopsis with a CF;
Shutter glasses, it is positioned at this display unit and presss from both sides on the position at a visual angle, and this shutter glasses is used for receiving in these many group stereopsis one group of stereopsis that should the visual angle; And
Detection module, it is coupled to this display unit and this shutter glasses, and this detection module is used for detecting this visual angle, and transmits a synchronous control signal that should the visual angle to this shutter glasses, is used to control the shutter release frequency of this shutter glasses.
6. image processing system as claimed in claim 5, wherein this detection module includes:
First infra-red ray detection device, it is arranged on the position to a vertical center axis that should display unit, this first infra-red ray detection device be used for detecting and this shutter glasses between one first distance;
Second infra-red ray detection device, it is arranged on this display unit and is positioned on the position of same trunnion axis with this first infra-red ray detection device, this second infra-red ray detection device be used for detecting and this shutter glasses between a second distance; And
Processing unit; It is coupled to this first infra-red ray detection device and this second infra-red ray detection device; This processing unit is used for according to the distance between this first distance, this second distance, this first infra-red ray detection device and this second infra-red ray detection device; And the cosine law calculates one first drift angle at this visual angle, and controls this first infra-red ray detection device and transmit this synchronous control signal to this shutter glasses;
Wherein this first drift angle is essentially this shutter glasses complementary angle of the angle of a vertical central plane horizontal-shift of this display unit relatively.
7. image processing system as claimed in claim 6, wherein this detection module includes in addition:
One the 3rd infra-red ray detection device; It is arranged on another position of this vertical center axis that should display unit and be coupled to this processing unit; The 3rd infra-red ray detection device be used for detecting and this shutter glasses between one the 3rd distance; This processing unit is according to the distance between this first distance, the 3rd distance, this first infra-red ray detection device and the 3rd infra-red ray detection device, and the cosine law calculates one second drift angle at this visual angle;
Wherein this second drift angle is essentially this shutter glasses complementary angle of the angle of a horizontal plane vertical shift of this display unit relatively.
8. image processing system as claimed in claim 6, wherein this shutter glasses is an infrared ray shutter glasses.
9. image processing system as claimed in claim 6, wherein this CF is 120Hz.
10. image processing system as claimed in claim 6, wherein this display unit is a liquid crystal indicator.
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| CN2010102585948A CN102378016A (en) | 2010-08-20 | 2010-08-20 | Method for playing corresponding stereoscopic images according to different viewing angles and system for processing stereoscopic images |
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