CN102655582B - Movable video signal state sample detection device and method - Google Patents
Movable video signal state sample detection device and method Download PDFInfo
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- CN102655582B CN102655582B CN201110052278.XA CN201110052278A CN102655582B CN 102655582 B CN102655582 B CN 102655582B CN 201110052278 A CN201110052278 A CN 201110052278A CN 102655582 B CN102655582 B CN 102655582B
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Abstract
The invention relates to movable video signal state sample detection device and method. The movable video signal state sample detection device comprises a movable detection unit, a circle detection unit, a video detection unit and a de-interleaving unit. The mobile detection unit receives a plurality of consecutive scene images for analyzing and deciding whether each scene image moves. A first value is given to an immobile scene, and a second value is given to a mobile scene, thus obtaining a string of values. The circle detection unit receives the string of values to detect whether the first value or the second value has a circle period, so as to output a circle decision value. The video detection unit receives the string of values and the circle decision value so as to decide whether the received scene images belong to video format and output a changeable state sample. The de-interleaving unit restores the scene images into an original video according to the changeable state sample of the vide detection unit.
Description
Technical field
The present invention relates to a kind of detection video signal state sample (video cadence) technology, particularly relate to the detection technique of movable video signal state sample.
Background technology
Because the film rate of shooting generally can be different from broadcast standard.Film shooting speed is such as 24Hz.General broadcast standard is such as that NTSC is 60Hz and PAL & SECAM is 50Hz.Therefore, in order to the film of shooting will be made to be played in the standards such as NTSC or PAL & SECAM, the film of shooting can be pulled to (pull down) desired broadcast standard.
Such as, when will change over the 50Hz of PAL standard from 24Hz, the image of a shooting can disassemble into two, comprises even image and strange image.As is commonly known, even image from the image of shooting, takes out the image belonging to even-line interlace line formed, and strange image from the image of shooting, takes out the image belonging to odd-numbered scan lines formed.So 24Hz can be changed the ripple side's speed into about 50Hz.In other words, the raw video of shooting according to the speed required by playing standard, can be disassembled according to selected video signal state sample, plays in the mode of strange/even staggered (interlace).
Otherwise if the scene image (field image) play will be reduced the image of original shooting, then it needs to detect its video signal state sample, and reduce the image of original shooting according to video signal state sample.
Fig. 1 shows the system block schematic diagram that the scene image of broadcasting is reduced into original film by tradition.Consult Fig. 1, mobility detect unit (motion detection) 100 needs with reference to previous scene image and follow-up scene image for current current scene image to be processed to determine that current scene image is mobile.Such as current scene image and follow-up scene image are even image from identical filmed image and strange image, then can obtain the result not having movement.If current scene image and follow-up scene image are even image from different filmed image and strange image, then can obtain the result of movement.Change sentence or say, each scene image all can be detected whether have movement, to obtain a pattern.
Identify change aspect unit (cadence pattern recognition) 102, the pattern detected by mobility detect unit 100 is compared with the data in aspect data cell (cadence database) 104, obtain corresponding change aspect (cadence pattern), finally control release of an interleave unit 106 according to this change aspect, to reduce each image taken, be also called frame (frame).
At above-mentioned traditional approach, the correct raw video that is reduced into by scene image to be need aspect data cell 104 to store various change aspect.Except needs use aspect data cell 104 to store various change aspect, if more many types of change aspect is used, and be not stored in aspect data cell 104, just cannot proper operation.
Summary of the invention
The invention provides a kind of movable video signal state sample detection device and method, the film with which kind of change aspect can be detected, detect without the need to the change aspect being limited to fixed qty.
One embodiment of the invention provide a kind of movable video signal state sample detection device, comprise a mobility detect unit, a cycle detection unit, a video detection unit and a release of an interleave unit.In order to analyze, multiple scene images that mobility detect unit continues, determine whether each this scene image has movement.If the scene belonging to not movement just gives one first numerical value, if it is the scene belonging to movement just give a second value, to obtain a string numerical value.Cycle detection unit receives this string numerical value and detects that whether this first numerical value or this second value have a cycle period, to export a circulation signals.Video detection unit receives this string numerical value and this circulation signals, to determine that these received scene images belong to film format, and exports a change aspect.Release of an interleave unit, these scene images are reduced into an original film by this change aspect according to this video detection unit.
One embodiment of the invention also provide a kind of checkout gear detecting film and staggered aspect, comprise a mobility detect unit, a cycle detection unit, a video detection unit.In order to analyze, multiple scene images that mobility detect unit continues, determine whether each this scene image has movement.If the scene belonging to not movement just gives one first numerical value, if the scene belonging to movement just gives a second value, to obtain a string numerical value.Cycle detection unit receives this string numerical value and detects that whether this first numerical value or this second value have a cycle period, and exports this cycle period.Video detection unit receives this string numerical value and determines whether be film format according to this cycle period, and judges a staggered aspect by the change of this first numerical value in this cycle period and this second value.
One embodiment of the invention also provide a kind of method detecting film and staggered aspect, input to multiple scene images of checkout gear for detecting to continue.The method comprises analysis and determines whether each this scene image has movement, if the scene belonging to not movement just gives one first numerical value, if the scene belonging to movement just gives a second value, to obtain a string numerical value.In addition, the method also comprises and detects that whether this first numerical value or this second value have a cycle period to this string numerical value.Determine whether belong to a film format according to this string numerical value.A staggered aspect is judged by the change of this first numerical value in this cycle period and this second value.
For making above-mentioned feature and advantage of the present invention become apparent, special embodiment below, and be described with reference to the accompanying drawings as follows.
Accompanying drawing explanation
Fig. 1 shows the traditional system block schematic diagram scene image of broadcasting being reduced into original film.
Fig. 2 show according to one embodiment adopt 2:2 disassemble schematic diagram of mechanism.
Fig. 3 show according to one embodiment adopt 2:3 disassemble schematic diagram of mechanism.
Fig. 4 shows the numerical string of Fig. 3 and the relation schematic diagram of change aspect.
Fig. 5 shows the analysis schematic diagram of the numerical string according to predetermined quantity.
Fig. 6 shows according to an embodiment, the structural representation of movable video signal state sample detection device.
Reference numeral explanation
100: mobility detect unit
102: identify change aspect unit
104: aspect data cell
106: release of an interleave unit
200: mobility detect unit
202: cycle detection unit
204: video detection unit
206: release of an interleave unit
Embodiment
The present invention can go out to change aspect by direct-detection from the scene image play, and without the need to being only limited to the change aspect of fixed qty, so more can in response to various different change aspect.Below for some embodiments, the present invention is described, but the invention is not restricted to lifted embodiment.In addition, for embodiment between also allow suitably to combine may.
The mechanism of movement whether is had as the following describes at each scene image of detection.
Be adopt the disassembling of 3:2 for film, it represents last image can be disassembled into three scene images, and then an image can be disassembled into two scene images.After the detection of mobility detect unit, can be obtained the pattern (pattern) of 10100 by nearest scene image to the order of scene image at most, wherein 1 representative has movement, and 0 representative is not mobile.
Fig. 2 show according to one embodiment adopt 2:2 disassemble schematic diagram of mechanism.Consult Fig. 2, with the film taken with frame (picture frame) for unit, its capture rate is such as Hz.Getting four frames (picture frame) in the present embodiment is example, such as, be frame (picture frame) 1-frame (picture frame) 4.Due to the present embodiment be 2:2 disassemble mechanism, each frame sequentially can be disassembled into the scene image that even image (idol) and strange image (very) reach 50/60Hz.The present embodiment with even image for start, but also can with strange image start play.After the even image that frame is disassembled and strange image, according to playing standard, even image and strange image are combined into scene image and are such as televising.The scene image such as 1-8 that this frame 1-frame 4 produces.For frame 1, because scene image 1 and scene image 2 are from identical frame 1, its image is woven (weave) by even image and strange image to form, and it is not mobile for being therefore compared to scene image 2 by scene image 1, is therefore denoted as 0.Then, scene image 2 can be compared to scene image 3, and finds it is have movement.This is because scene image 2 is images of frame 1, and scene image 3 is images of frame 2, only static image, otherwise scene image obtains the sign of 1 for 2 times.
The rest may be inferred, and other scene image 3-8 also has identical circulating phenomenon, and has specific change aspect.The present embodiment is 01010101.Because each scene image only has the state of 0 or 1, ㄧ position therefore can be used to represent two-symbol numerical value, form numerical string.0 and 1 be two-symbol numerical value in this, but just generally speaking, it also can have different numerical value to indicate this two kinds of states, is not limited to the marking mode of 0 and 1.In other words, do not have the situation of movement can represent with a numerical value, and have the situation of movement can represent with another numerical value.
With regard to the embodiment of Fig. 2, the numerical value 0 such as with first position in numerical string is initial, and it will repeat every two positions, as shown by arrows.
Fig. 3 show according to one embodiment adopt 2:3 disassemble schematic diagram of mechanism.Consult Fig. 3, due to be 2:3 disassemble mechanism, frame 2 can disassemble into three images, and according to the same mechanism described by prior figures 2, the scene image adjacent to new frame can show the phenomenon of movement, and is denoted as 1.In the present embodiment, its change aspect is the repetition of 01001.
Fig. 4 shows the numerical string of Fig. 3 and the relation schematic diagram of change aspect.The numerical string getting 20 positions is analyzed.If detecting cycle period is the situation of 5, the numerical value 0 such as getting the 1st position, the left side is checked, and its expection can be cycled to repeat every 5 positions.If inspection is not the cycle period of corresponding 5, then numerical value 0 can not circulate appearances, and to represent be not correct cycle period.
In addition, the front and back of each numerical value 1 are 0, and this representative has the change of frame, are the Dynamic Announce belonging to film.If be only that the front and back that result meets each numerical value 1 are 0 and have fixing cycle period, then can inference be film, and original film frame can be returned to from the change aspect of cycle period.
Fig. 5 shows the analysis schematic diagram of the numerical string according to predetermined quantity.Consult Fig. 5, in order to effectively detect various possible cycle period or change aspect, it can set the numerical string getting a predetermined quantity.The present embodiment is such as that the numerical string getting 31 positions is analyzed.When obtain corresponding with or without the numerical string of movement after, can detect for possible several cycle period or optional cycle period, whether have cycle period to check.The cycle period of inspection is such as 5,10,12,15,25 etc., but these are not unique modes.Cycle period 5,10, what 12,15, the 25 change aspects comprised were corresponding different disassembles mode:
Cycle period 5:(32);
Cycle period 10:(22), (2224), (2332), (55), (64);
Cycle period 12:(32322);
Cycle period 15:(87);
Cycle period 25:(222222222223).
With regard to the selection in actual cycle cycle, cycle period n can for by the multiple factor value in 50/60Hz the value selected.
The mode of disassembling of Fig. 5 is such as 3:3:2:2, and its first frame represented in primitive frame disassembles into three images mixed with strange image by even image.Second frame is the same with first frame is also disassemble into three images.3rd frame disassembles into two images.4th frame is also disassemble into two images.The numerical string of disassembling of 2:3:3:2 also has similar recurrence relation to the numerical string of disassembling of 3:3:2:2 in addition, is 01001001010100100101.Image after disassembling maintains even strange order or the order of odd even.In the present embodiment, the numerical value 0 getting first position is reference, if the situation of inspection cycle period 5, is 1, therefore there is not the situation that cycle period is 5 the 6th position.If the situation of inspection cycle period 10, the numerical value every 10 positions repeats to be 0 therefore there is the situation that cycle period is 10.If the situation of inspection cycle period 12, is 1 the 13rd position, therefore there is not the situation that cycle period is 12.If the situation of inspection cycle period 15, is 1 the 16th position, therefore there is not the situation that cycle period is 15.If the situation of inspection cycle period 25 is 1 the 26th position, therefore there is not the situation that cycle period is 25.In addition, if the situation of inspection cycle period 5, it is the factor of cycle period 10, therefore still can be classified as the situation of cycle period 10.Plant mode according to this and just can find out change aspect, wherein cycle period 10 includes and multiplely possible disassembles mode, but according to the change aspect of cycle period 10, still correctly can extrapolate the mode of combination, and reduces frame data.
This numerical string is the broadcast format of corresponding film.The present embodiment is under whether decision scene image is the testing mechanism of motion video, and the front and back numerical value of each numerical value 1 is 0.
Based on above-mentioned mechanism and method, it can be implemented by movable video signal state sample detection device.Fig. 6 shows according to an embodiment, the structural representation of movable video signal state sample detection device.Movable video signal state sample detection device, comprises mobility detect unit 200, cycle detection unit 202, video detection unit 204 and a release of an interleave unit 206.In order to analyze, multiple scene images that mobility detect unit 200 continues, determine whether each scene image has movement.If the scene belonging to not movement just gives one first numerical value, such as, be 0.If scene image is the scene belonging to movement, just to give a second value be such as 1, and so to obtain a string numerical value, it is such as bit string value.Cycle detection unit 202 receives this string numerical value and detects that whether the first numerical value or second value have a cycle period, to export a circulation signals.This circulation signals is the signals that can represent any appropriate format that there is cycle period, is not limited to ad hoc fashion or information.
Then, video detection unit 204 receives this string numerical value and this circulation signals, to determine that these received scene images belong to film format, and exports a change aspect.Release of an interleave unit 206, these scene images are reduced into an original film by the change aspect according to this video detection unit.Release of an interleave unit 206 can learn according to change aspect the mode disassembling into scene image from primitive frame, can revert in fact the data of primitive frame.
In addition, when mobility detect unit 200 and release of an interleave unit 206 are when performing its function, for outside current scene image to be processed, also can with reference to adjacent previous scene image or follow-up scene image again or both all references, it depends on the detection mechanism of movement and the mechanism of release of an interleave, is not limited to ad hoc fashion.Multiple embodiment of the present invention to produce numerical string, and direct-detection goes out to change aspect from numerical string, with in response to multiple movable video signal state sample.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, those skilled in the art, under the premise without departing from the spirit and scope of the present invention; can do some changes and retouching, therefore protection scope of the present invention is as the criterion with claim of the present invention.
Claims (20)
1. a movable video signal state sample detection device, comprising:
One mobility detect unit, in order to analyze, the multiple scene images continued, determine whether each this scene image has movement, if the scene belonging to not movement just gives one first numerical value, if the scene belonging to movement just gives a second value, to obtain a string numerical value;
One cycle detection unit, in the first stage, receives this string numerical value, and only according to one group of candidate periodic, detects that whether this first numerical value or this second value have a cycle period, to export a circulation signals;
One video detection unit, in the second stage of this first stage that continues, receive this string numerical value and this circulation signals, to determine that these scene images received belong to film format, and export a change aspect, wherein this circulation signals only corresponds to one group of candidate change aspect, and this change aspect is the one of this group candidate change aspect; And
One release of an interleave unit, these scene images are reduced into an original film by this change aspect according to this video detection unit.
2. movable video signal state sample detection device as claimed in claim 1, wherein this mobility detect unit is compared with adjacent one follow-up scene image or a previous scene image by a current scene image, to determine whether this current scene image has movement.
3. movable video signal state sample detection device as claimed in claim 2, wherein this first numerical value and this second value are noted down by a position, forms a displacement of a predetermined quantity.
4. movable video signal state sample detection device as claimed in claim 3, wherein this cycle detection unit is whether the binary values detected for a selected position repeats every a sense cycle, and these displacements multiple continued are these identical sense cycle, namely this sense cycle after wherein determining is this cycle period.
5. movable video signal state sample detection device as claimed in claim 4, wherein this cycle period comprises and checking every the cycle of n position, wherein n for by the multiple factor value in 50/60Hz the value selected.
6. movable video signal state sample detection device as claimed in claim 4, wherein this video detection unit obtains this cycle period, also detect simultaneously this second value representing movement in this displacement this two, front and back this be this first numerical value of representative not movement, to determine being belong to film format.
7. movable video signal state sample detection device as claimed in claim 4, wherein these scene images are made up of according to the order that interlocks aspect multiple even image and multiple strange image, wherein for each this original film, this even image getting the image data formation correspondence of even-line interlace line and the image data getting odd-numbered scan lines form this corresponding strange image.
8. movable video signal state sample detection device as claimed in claim 4, wherein this first numerical value is 0, and this second value is 1.
9. detect a checkout gear for film and staggered aspect, comprising:
One mobility detect unit, in order to analyze, the multiple scene images continued, determine whether each this scene image has movement, if the scene belonging to not movement just gives one first numerical value, if the scene belonging to movement just gives a second value, to obtain a string numerical value;
One cycle detection unit, in the first stage, receives this string numerical value, and only according to one group of candidate periodic, detects that whether this first numerical value or this second value have a cycle period, and exports this cycle period; And
One video detection unit, in the second stage of this first stage that continues, receive this string numerical value and determine whether be film format according to this cycle period, and judge a staggered aspect by the change of this first numerical value in this cycle period and this second value, wherein this circulation signals only corresponds to one group of candidate change aspect, and this staggered aspect is the one of this group candidate change aspect.
10. the checkout gear detecting film and staggered aspect as claimed in claim 9, wherein this mobility detect unit is compared with adjacent one follow-up scene image or a previous scene image by a current scene image, to determine whether this current scene image has movement.
11. checkout gears detecting film and staggered aspect as claimed in claim 9, wherein this first numerical value and this second value are noted down by a position, forms a displacement of a predetermined quantity.
12. checkout gears detecting film and staggered aspect as claimed in claim 11, wherein this cycle detection unit is whether the binary values detected for a selected position repeats every a sense cycle, and these displacements multiple continued are these identical sense cycle, namely this sense cycle after wherein determining is this cycle period.
13. checkout gears detecting as claimed in claim 12 films and staggered aspect, wherein this cycle period comprises inspection this sense cycle every n position, wherein n for by the multiple factor value in 50/60Hz the value selected.
14. checkout gears detecting film and staggered aspect as claimed in claim 12, wherein this video detection unit obtains this cycle period, also detect simultaneously this second value representing movement in this displacement this two, front and back this be this first numerical value of representative not movement.
15. checkout gears detecting film and staggered aspect as claimed in claim 12, wherein these scene images are made up of according to the order that interlocks aspect multiple even image and multiple strange image.
16. 1 kinds of methods detecting film and staggered aspect, inputing to multiple scene images of checkout gear for detecting to continue, comprising:
Analyze and determine whether each this scene image has movement, if the scene belonging to not movement just gives one first numerical value, if the scene belonging to movement just gives a second value, to obtain a string numerical value;
Detect in the first stage, and only according to one group of candidate periodic, this first numerical value or this second value have a cycle period to determine this string numerical value;
Determine whether belong to a film format according to this string numerical value; And
In the second stage of this first stage that continues, a staggered aspect is judged by the change of this first numerical value in this cycle period and this second value, wherein this circulation signals only corresponds to one group of candidate change aspect, and this staggered aspect is the one of this group candidate change aspect.
17. methods detecting film and staggered aspect as claimed in claim 16, wherein these scene images are made up of according to the order that interlocks aspect multiple even image and multiple strange image.
18. methods detecting film and staggered aspect as claimed in claim 17, are wherein compared with adjacent one follow-up scene image or a previous scene image by a current scene image, to determine whether this current scene image has movement.
19. methods detecting film and staggered aspect as claimed in claim 18, wherein this first numerical value and this second value are noted down by a position, forms a displacement of a predetermined quantity.
20. methods detecting film and staggered aspect as claimed in claim 19, wherein the detection of this cycle period comprises:
Selected of will detect, with this binary values for reference; And
Whether detect this this place value to repeat every a sense cycle, and these displacements multiple continued are these identical sense cycle, namely this sense cycle after wherein determining is this cycle period.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5563651A (en) * | 1994-12-30 | 1996-10-08 | Thomson Consumer Electronics, Inc. | Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences |
| US5828786A (en) * | 1993-12-02 | 1998-10-27 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
| CN101505156A (en) * | 1998-11-05 | 2009-08-12 | 高通股份有限公司 | Efficient iterative decoding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901951A1 (en) * | 2006-06-06 | 2007-12-07 | St Microelectronics Sa | Digital video image frequency detecting method for e.g. digital set top box, involves dividing current frame into region based on determined phase value by statistics and segmentation unit and assigning region movement phase value to region |
| CN102365867B (en) * | 2009-04-01 | 2015-12-16 | 马维尔国际贸易有限公司 | Rhythm in progressive video detects |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5828786A (en) * | 1993-12-02 | 1998-10-27 | General Instrument Corporation | Analyzer and methods for detecting and processing video data types in a video data stream |
| US5563651A (en) * | 1994-12-30 | 1996-10-08 | Thomson Consumer Electronics, Inc. | Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences |
| CN101505156A (en) * | 1998-11-05 | 2009-08-12 | 高通股份有限公司 | Efficient iterative decoding |
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