CN101483726B - Interleaved type scanning image processing method - Google Patents
Interleaved type scanning image processing method Download PDFInfo
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- CN101483726B CN101483726B CN2008100024161A CN200810002416A CN101483726B CN 101483726 B CN101483726 B CN 101483726B CN 2008100024161 A CN2008100024161 A CN 2008100024161A CN 200810002416 A CN200810002416 A CN 200810002416A CN 101483726 B CN101483726 B CN 101483726B
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Abstract
This invention provides a processing method of interlaced scanning image, which can improve the interference phenomenon after performing image processing to the interlaced scanning image. The processing method of interlaced scanning image comprises following steps: acquiring an interlaced scanning image; defining a target region in the interlaced scanning image; searching a plurality of scanning lines of a first image field of the target region; copying the plurality of scanning lines and replacing a plurality of scanning lines of a second image field of the target region; combining the first image field and the replaced second image field to perform the image processing, wherein the first image field may be the odd image field or even image field.
Description
Technical field
The present invention relates to a kind of interleaved type scanning image processing method, particularly a kind of interleaved type scanning image processing method of avoiding the interleaved type scanning image after image processing, can produce interference phenomenon, and can carry out image processing to remove interference phenomenon at the specific region.
Background technology
The image display method that general device for image is adopted comprises interleaved type scanning mode (interlaced scan) and formula scan mode (progressive scan) in proper order, and at present more common still based on the image of interleaved type scanning mode.The interleaved type scanning mode is to finish an image frame (frame) with twice scanning, shown in Fig. 1 (a), each image frame is made of the multi-strip scanning line, scanning for the first time shows that earlier all odd number bar scan lines are to form an odd number figure field (field), scanning for the second time shows that again all even number bar scan lines are to form an even number figure field, the image that then merges odd number figure field and even number figure field to be constituting a complete image frame, and can carry out follow-up image processing action at this image frame.Yet because the image of odd number figure field and even number figure field has the time difference, if very fast or the whole picture change of movement of objects speed is bigger when video display in the image, to make that image has non-continuous event between each scan line of odd number figure field and even number figure field, this moment is if directly carry out image processing to two figure occasions and back image again, image after the processing will present the phenomenon that interferes with each other shown in Fig. 1 (b) because of producing deformation, can make that so image is clear inadequately and cause the burden of watching screen image person.
Summary of the invention
Main purpose of the present invention is to be to provide a kind of interleaved type scanning image processing method of avoiding producing interference phenomenon between different figure after the image processing.
Another object of the present invention is to be to provide a kind of flake image correcting method, is to handle at the interleaved type scanning image of obtaining from fish eye lens.
For reaching above-mentioned purpose, interleaved type scanning image processing method of the present invention is may further comprise the steps: obtain an interleaved type scanning image; In the interleaved type scanning image, define a target area; The multi-strip scanning line of the one first figure field in searched targets zone; Duplicate the multi-strip scanning line and replace the multi-strip scanning line of one second figure field of target area; Reach the substituted second figure field to carry out image processing in conjunction with the first figure field.Wherein the first figure field can be an odd number figure field or even number figure field, and the second figure field is to be another figure field.By this, when video display,, can make that still image keeps continuum of states between each scan line of odd number figure field and even number figure field because of not having the time difference between two adjacent figure fields, therefore can avoid the image of target area to produce interference phenomenon through follow-up image processing, keep the definition of image.
Flake image correcting method of the present invention is an interleaved type scanning image of obtaining from fish eye lens, and according to aforesaid interleaved type scanning image processing method this image is handled, and handles the formed interference phenomenon of back image to improve.
Description of drawings
Fig. 1 (a) and (b) are the schematic diagrames before and after an interleaved type scanning image is handled with known manner;
Fig. 2 (a) and (b) are flow charts of interleaved type scanning image processing method of the present invention;
Fig. 3 is the schematic diagram of interleaved type scanning image processing method of the present invention;
Fig. 4 (a) and (b) are that an interleaved type scanning image is used the schematic diagram that interleaved type scanning image processing method of the present invention is handled front and back.
Embodiment
More understand technology contents of the present invention for allowing, be described as follows especially exemplified by going out preferred embodiment.
Be the flow chart and the schematic diagram of interleaved type scanning image processing method of the present invention with reference to figure 2 (a) and (b) and Fig. 3 in the lump please below.Shown in Fig. 2 (a) and (b), interleaved type scanning image processing method of the present invention is may further comprise the steps:
Step 110: obtain an interleaved type scanning image.As shown in Figure 3, by obtained an interleaved type scanning image 30 by a device for image, this device for image is the device for image that can be a television set, a video camera, has a fish-eye camera or have similar functions.
Step 120: in the interleaved type scanning image, define a target area.As shown in Figure 3, in order to improve the interference phenomenon that image produces, demand is gone up in the function of visual different images device or use, also or at interesting zone, define a target area 31 in interleaved type scanning image 30, the big I of this target area 31 contains part or all of interleaved type scanning image 30.For instance, be to see it at the picture of general television set, so whole interleaved type scanning image 30 can be contained in defined target area 31 with integral body; And to have fish-eye camera (for example automobile-used Monitor for reverse device), its picture keypoint part of focusing on should be near positive core, and the interference phenomenon that this part is produced after image processing is the most serious, therefore target area 31 can be selected in handling at the picture core.
Step 130: the multi-strip scanning line of the one first figure field in searched targets zone.In the present embodiment, the first figure field can be an odd number figure field or even number figure field, and the second figure field is to be another figure field.Because being the multi-strip scanning lines by odd number figure field and even number figure field, interleaved type scanning image 30 constituted, the target area 31 that is defined also comprises this regional odd number figure field of formation and even number figure field naturally, therefore can retrieve the multi-strip scanning line of the first figure field at target area 31, so that carry out follow-up processing action.
Step 140: duplicate the multi-strip scanning line and replace the multi-strip scanning line of one second figure field of target area.Behind the multi-strip scanning line of the first figure field of obtaining target area 31, just this multi-strip scanning line is carried out replication actions, produce another group scan line that scan line image and quantity are equal to the first figure field multi-strip scanning line.Then this group scan line is replaced the multi-strip scanning line that is arranged in 31 second figure fields, target area originally, make target area 31 constitute a new image frame.
Step 150: reach the substituted second figure field to carry out image processing in conjunction with the first figure field.After the second figure place after the first figure field of target area 31 is replicated replaces, because each scan line image of the second figure field is each scan line from the first adjacent figure field, therefore two figure field images of target area 31 can be kept continuous state, can't impact because movement of objects excessive velocities or picture change in the image is too big.Carry out image processing at the correction that sees through algorithm in conjunction with the target area 31 of two figure fields this moment, can form a fresh target zone 31 ', and improve the interference phenomenon that is produced between different figure.This fresh target zone 31 ' may produce the situation of deformation of image because of follow-up image processing.
Step 160: carry out indivedual image processing at the zone beyond the target area.After step 120 defines target area 31 at interleaved type scanning image 30, if target area 31 parts that contain interleaved type scanning image 30 only need carry out indivedual image processing at the zone 32 beyond the target area.Because interleaved type scanning image 30 may cause deformation of image after follow-up image processing, therefore except target area 31 is carried out the image processing, also must carry out indivedual image processing to the zone 32 beyond the target area, and then form a fresh target zone with exterior domain 32 ', so that follow-up fresh target zone 31 ' and the fresh target zone of carrying out merges with the image of exterior domain 32 '.Interleaved type scanning image processing method of the present invention is to focus on the interference phenomenon of improving the target area, and therefore the image processing mode that is adopted with exterior domain 32 for the target area is that known algorithm at the interleaved type scanning image is handled.It is noted that step 160 is can be set in to be carried out after step 150 is handled target area 31 images again, also can be set in and promptly be carried out after step 120 defines target area 31.
Step 170: step 150 and step 160 are handled image later combine.The image processing that improves interference phenomenon in step 150 at defining target area 31 is to form a fresh target zone 31 ', and carry out indivedual image processing in step 160 at the zone 32 beyond the target area and form a fresh target zone with exterior domain 32 ', more treated fresh target zone 31 ' and fresh target zone later constituted a complete image 30 ' with the image merging of exterior domain 32 '.The interference phenomenon of fresh target zone 31 ' part is improved in the image at this moment.
Please refer to Fig. 4 (a) and (b) is that the interleaved type scanning image is used the schematic diagram that interleaved type scanning image processing method of the present invention is handled front and back.Fig. 4 (a) is that expression one has obtained but undressed interleaved type scanning image, when the central part of selected this interleaved type scanning image as a target area, and by carrying out image processing at this target area by interleaved type scanning image processing method of the present invention, can obtain interleaved type scanning image after the processing shown in Fig. 4 (b), can improve the interference phenomenon of target area and keep the image definition of target area by this.
In addition, flake image correcting method of the present invention is the interleaved type scanning image processing method of application of aforementioned, obtain an interleaved type scanning image from having a fish-eye camera, and each step of application of aforementioned is carried out image processing to this interleaved type scanning image, so that see through the generation that the shown after treatment dynamic image of fish eye lens can improve its interference phenomenon, and it is clear to keep stablizing of image to reach, for example can be applicable to automobile-used Monitor for reverse device or other has on the fish-eye camera, but not as limit.
To sum up institute is old, and no matter the present invention all shows it totally different in the feature of known technology with regard to purpose, means and effect, is a quantum jump.Only must notice that the foregoing description only is illustrative principle of the present invention and effect thereof, but not is used to limit the scope of the invention.Any ripe personage in this skill all can be under know-why of the present invention and spirit, and embodiment is made an amendment and changes.Interest field of the present invention should be as the criterion as the protection range of claim.
Claims (4)
1. an interleaved type scanning image processing method is characterized in that, this method may further comprise the steps:
(a) obtain an interleaved type scanning image;
(b) in this interleaved type scanning image, define a target area;
(c) retrieve the multi-strip scanning line of one first figure field of this target area;
(d) duplicate this multi-strip scanning line and replace the multi-strip scanning line of one second figure field of this target area; And
(e) reach substituted this second figure field to carry out image processing in conjunction with this first figure field;
Wherein the first figure field is an odd number figure field, and this second figure field is to be an even number figure field, or this first figure field is an even number figure field, and this second figure field is an odd number figure field.
2. the method for claim 1 is characterized in that, in step (b) or step (e) afterwards, further comprises a step (f), is to carry out indivedual image processing at the zone beyond this target area.
3. method as claimed in claim 2 is characterized in that, further comprises a step (g), is step (e) and step (f) to be handled image later combine.
4. the method for claim 1 is characterized in that, this interleaved type scanning image be can see through a television set, a video camera or have a fish-eye camera obtained.
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| CN2008100024161A CN101483726B (en) | 2008-01-07 | 2008-01-07 | Interleaved type scanning image processing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034407A1 (en) * | 1997-01-30 | 1998-08-06 | Matsushita Electric Industrial Co., Ltd. | Digital image replenishment method, image processing device and data recording medium |
| US20050168634A1 (en) * | 2004-01-30 | 2005-08-04 | Wyman Richard H. | Method and system for control of a multi-field deinterlacer including providing visually pleasing start-up and shut-down |
| US20050195325A1 (en) * | 2003-09-03 | 2005-09-08 | Tetsuro Tanaka | Image processing apparatus and image processing method |
| US20060092309A1 (en) * | 2004-10-28 | 2006-05-04 | Canon Kabushiki Kaisha | Image-capturing device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034407A1 (en) * | 1997-01-30 | 1998-08-06 | Matsushita Electric Industrial Co., Ltd. | Digital image replenishment method, image processing device and data recording medium |
| US20050195325A1 (en) * | 2003-09-03 | 2005-09-08 | Tetsuro Tanaka | Image processing apparatus and image processing method |
| US20050168634A1 (en) * | 2004-01-30 | 2005-08-04 | Wyman Richard H. | Method and system for control of a multi-field deinterlacer including providing visually pleasing start-up and shut-down |
| US20060092309A1 (en) * | 2004-10-28 | 2006-05-04 | Canon Kabushiki Kaisha | Image-capturing device |
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