CN100571328C - Adjust the method and system that digitized video shows - Google Patents
Adjust the method and system that digitized video shows Download PDFInfo
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- CN100571328C CN100571328C CNB2004100059586A CN200410005958A CN100571328C CN 100571328 C CN100571328 C CN 100571328C CN B2004100059586 A CNB2004100059586 A CN B2004100059586A CN 200410005958 A CN200410005958 A CN 200410005958A CN 100571328 C CN100571328 C CN 100571328C
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Abstract
The present invention relates to a kind of method and system that digitized video shows of adjusting, utilize pointer (or being called cursor) in the viewing area, to demarcate one or more coordinates, to draw position reference, selecting displaying ratio or complying with after the coordinate of being demarcated produces displaying ratio, according to displaying ratio adjusted image is shown with the ad-hoc location of position reference in the viewing area, after adjusting image, locate with continuous translation again, can save many computing costs and hardware cost.
Description
Technical field
The present invention relates to the method and system that a kind of image shows, particularly a kind of pointer or the cursor display position of demarcating image and method and system of adjusting displaying ratio of utilizing.
Background technology
On image shows, usually need image data is shown on the picture with a certain special ratios, the application of this class often by in be built in many softwares or the hardware, for example in video editing software or the digital camera image to display is amplified or dwindles.
In the prior art, the application of this class is a position reference with the image position (as pixel) that image data is positioned at viewing area central authorities normally, original image data according to behind the displaying ratio resize ratio, is produced an image with position reference in viewing area central authorities again.Because when displaying ratio changes, new image must exceed or less than original indication range, so the user must allow pan want that the image part of seeing can show in the viewing area.So mean and to expend many computing costs, as shown in Figure 1, at first in step 110, obtain a displaying ratio and a position reference, the acquisition mode of displaying ratio can have a variety of, one take out as in one group of displaying ratio decided at the higher level but not officially announced, selecting, with one in certainty ratio geometric ratio increase displaying ratio or directly import by the user.And position reference generally is can to obtain the position of the upper left corner (as first location of pixels of viewing area) in video data with viewing area central authorities.Then shown in step 120, with whole image datas according to the displaying ratio resize ratio to produce a new image.Next shown in step 130, image is shown in the viewing area according to position reference.At last, as described in step 140, constantly the translation image shows that up to the viewing area desired image partly.
Image produces after with whole image data resize ratios in above-mentioned method, if image data is very huge, will have following shortcoming.At first general image all is to leave an image frame buffer (frame buffer) in output as last, it is very big to mean that with the method for prior art the image frame buffer also needs, and only some can be used to be shown in the viewing area in the image frame buffer, and other is partly all by idle.In addition, image when each translation, need in the image frame buffer, obtain again again a part of image show with the viewing area in, need many computing costs.Moreover, before the image translation, can't expect shown image after the translation, therefore need translation constantly till suitably.Each translation all needs extra electric power and time, if be applied in (as digital camera) on the portable apparatus that takes much count of cost and electric power, it is very uneconomical to become in the use of hardware cost and battery electric power.
Obviously, in handling said method, the method for disconnected translation picture is very uneconomic to adjust behind the displaying ratio or else, therefore needs more economical method or system offers portable apparatus.
Summary of the invention
According to aforesaid demand, a main purpose of the present invention is to overcome the deficiencies in the prior art and defective, propose a kind ofly to cooperate a displaying ratio to adjust the method and system that digitized video shows with single coordinate, with convenient user choose arbitrarily part image in the viewing area amplify or dwindle after show again.
In addition, another main purpose of the present invention is to propose a kind of method and system of adjusting the digitized video demonstration with several coordinates, allow the user choose two coordinates or the scope that indicates obtains position reference and displaying ratio, with convenient user choose arbitrarily part image in the viewing area amplify or dwindle after show again.Because picture displayed can be expected in original picture again, therefore do not need translation picture constantly, can save a large amount of computing costs, also can save simultaneously the cost of a large amount of image frame buffers.
For reaching above-mentioned purpose, the invention provides and a kind ofly adjust the method that digitized video shows with single coordinate, it comprises: show an image in a viewing area, this image is to show according to an image data; Obtain a position reference of this image data by a cursor, this position reference is to obtain with respect to a coordinate of this viewing area in this image data; One the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio; And with this image data according to this displaying ratio and this position reference produce one again the image of demonstration in this viewing area.
For reaching above-mentioned purpose, the present invention also provides a kind of and adjusts the method that digitized video shows with several coordinates, and it comprises: show an image in a viewing area, this image is to show according to an image data; Obtain one first coordinate of this image data by a cursor; Obtain one second coordinate of this image data by this cursor; Obtaining mutually according to this first coordinate and this second coordinate should first coordinate and a position reference of show image again of this second coordinate; One the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio; And with this again show image be shown in this viewing area again according to this displaying ratio and this position reference.
For reaching above-mentioned purpose, the present invention provides a kind of system that digitized video shows that adjusts in addition, and it comprises: an image store unit, in order to store an image data; One interface unit is obtained a position reference by a cursor, and one the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio, and wherein this position reference is the ad-hoc location in this image data; One image process unit is in order to produce this image that is shown in this viewing area with this image data according to this displaying ratio and this position reference; And a display unit, in order to show that this image is in a viewing area.
Description of drawings
Fig. 1 is the schematic flow sheet of prior art;
Fig. 2 A is the schematic flow sheet of a specific embodiment of the present invention;
Fig. 2 B is the schematic diagram of step among Fig. 2 A;
Fig. 3 A is the schematic flow sheet of a specific embodiment of the present invention;
Fig. 3 B is the schematic diagram of step among Fig. 3 A;
Fig. 4 is the function block schematic diagram of another specific embodiment of the present invention.
Embodiment
Some embodiments of the present invention can be described in detail as follows.Yet except describing in detail, the present invention can also be widely implements at other embodiment, and scope of the present invention do not limited, and its scope with claims is as the criterion.
Moreover for clearer description being provided and being more readily understood the present invention, each several part is not drawn according to its relative size in the icon, and some size is compared with other scale dependent and exaggerated; Incoherent detail section is not drawn fully yet, succinct in the hope of icon.
In the prior art, in the time of carrying out the adjustment of image, use the first resize ratio method of translation picture again, so need to cooperate bigger image frame buffer and computing cost.Therefore, main being characterised in that of the present invention indicates the actual position reference that will show in the picture earlier, calculate the picture that makes new advances with this position reference according to displaying ratio (predeterminable or by user adjust) again, be shown in again in the viewing area (for example: LCD or oled panel).Therefore, in the adjustment process of image, do not need translation picture constantly, so can save a large amount of computing costs.Because picture does not need by continuous translation yet, therefore can not need that all resize ratio is required for translation with whole image datas, only need the needed part image data of new picture resize ratio is produced new image, therefore can save unnecessary image frame buffer, in addition, the picture element of the new image that produced can also be produced successively and directly export the viewing area to, and not need the image frame buffer.
Therefore, a specific embodiment of the present invention is a kind ofly to adjust the method that digitized video shows with single coordinate, shown in Fig. 2 A, is the schematic flow sheet of present embodiment.At first, by step 210 image is shown in the viewing area, after this image can obtain dicom message by digital capture device, show according to the image data form, and this image data can be stored in the different Storage Media (for example: disk, storage card, memory or the like) with different form (for example: pixel, archives), and the present invention does not limit for the form and the storing mode of image data.In addition, kind shown image in viewing area can be only to show the part of pick-up image or whole data, the present invention for this pick-up image data in the viewing area the scope that can be showed do not limit.And the square 2100 among Fig. 2 B is the schematic diagram of corresponding steps 210.
Then shown in step 220, obtain a position reference of image data, this position reference is to obtain with respect to a coordinate of viewing area according to image data, that is is used as position reference with the relative position of this coordinate of being shown in the viewing area in the image data.For example can be with a pointer (cursor for example; Cursor) move on to this coordinate after, obtain position reference, or obtain the position reference coordinate by user's input coordinate, this coordinate basis be in image data with respect to the relative position of this coordinate, that is to find out in image data be that what person is used to be presented at this coordinate.And this relative position can be a relative coordinate or a location of pixels, and the present invention does not limit for the acquisition mode of position reference and the manifestation mode of relative position.In addition, in step 220, also can obtain the coordinate of the center of a viewing area simultaneously, so that the reference coordinate point during as show image again.And the square 2200 among Fig. 2 B is the schematic diagram of corresponding steps 220.
Next, according in the step 220, the cursor position the corresponding position reference that goes out, and, obtain a displaying ratio according to shown in the step 230.The acquisition mode of this displaying ratio can have a variety of, for example come geometric ratio to increase displaying ratio with a predefined ratio or in one group of predefined displaying ratio the ratio of selecting come geometric ratio to increase displaying ratio or directly import by the user, the present invention does not limit the acquisition mode of displaying ratio.
At last, shown in step 240, image data is directly produced show image again or again image is shown in the viewing area with reference to the coordinate of this center according to displaying ratio and position reference.The demonstration of image is an anchor point with pointer position benchmark, and anchor point can be any ad-hoc location in the viewing area, for example, this ad-hoc location can be that four corners of central authorities, viewing area of viewing area are (as the upper left corner, the upper right corner, the lower left corner and the lower right corner) one of or other position, the present invention is not limited this ad-hoc location.Then, again image is resulted from the viewing area according to a displaying ratio, the image that produces again can be former image is amplified according to a predefined displaying ratio or to dwindle in addition, or former image data directly be multiply by displaying ratio to be amplified or dwindle.In addition, the size of image can only be mated (promptly only producing image with the local image data) with the viewing area, can exceed viewing area (promptly producing image) with whole image data, can be that coordinate with reference to this center is shown in the viewing area with image again, the present invention not be limited the size of image yet.The former can save the cost of image frame buffer, or does not even need the image frame buffer directly to show in the viewing area, and the latter can save the time of user's translation image, but comparatively expends computing cost (as electric power) and need a large amount of image frame buffers.And the square 2300 among Fig. 2 B is the schematic diagram after corresponding steps 240 is handled.In view of the above, present embodiment not only has the function of prior art translation, more can allow the user easier and more time saving and energy saving choosing of image.
Another specific embodiment of the present invention is to adjust the method that digitized video shows with several coordinates, and Fig. 3 A is the schematic flow sheet of present embodiment.Present embodiment and last embodiment difference part are that this example replaces step 220 and step 230 among Fig. 2 A respectively with step 320 and step 330.In step 320, obtain one first coordinate 3110 (shown in Fig. 3 B) and one second coordinate 3120 (shown in Fig. 3 B), and obtaining of this first coordinate and second coordinate can be to be imported by the user, or a pointer that will be shown on the viewing area by the user moves on on the position of first coordinate and second coordinate successively, with scope or the zone that obtains a coordinate.
Obtaining of the first above-mentioned coordinate and second coordinate can be considered a scope of demarcating the viewing area, perhaps can be considered to demarcate viewing area one scope to obtain first coordinate and second coordinate.For example, in the mode (shown among Fig. 3 B 3210) of demarcating a rectangle in the viewing area, can demarcate in first coordinate, 3110 places by first steering needle, next, in moving hand, showing one in the viewing area is the rectangle frame line 3210 of the two-end-point at diagonal angle with first coordinate and pointer position, in order to show the scope that indicates.The rectangle frame line 3210 of the two-end-point that it is the diagonal angle that perhaps direct steering needle priority produces with this two coordinate after first coordinate 3110 and 3120 demarcation of second coordinate is in order to the scope of demonstration sign.Similarly, the scope of being demarcated is not limited to rectangle, more can be circle (producing as diameter with first coordinate and second coordinate), oval (recently producing as oval-shaped major axis or the minor axis length and width according to the viewing area with first coordinate and second coordinate).
Then, the range size that is defined according to this first coordinate 3110 and this second coordinate 3120 in step 330 is calculated displaying ratio and position reference, wherein position reference can for first coordinate 3110 and second coordinate 3120 both one of or the central point 3130 (as shown in Fig. 3 B) of the scope that both defined obtain.And displaying ratio can be to obtain according to the vertical width of the viewing area ratio with respect to vertical range between first coordinate and second coordinate, or obtains according to the horizontal width of this viewing area ratio with respect to horizontal range between this first coordinate and this second coordinate.
At last, described as step 240, image data is directly produced show image again according to displaying ratio and position reference, because of details is all identical with last embodiment, do not repeat them here.
According to above-mentioned method, a specific embodiment more of the present invention provides a kind of system that digitized video shows that adjusts, as shown in Figure 4, comprise a shadow memory unit 31, an interface unit 32, an image process unit 33, a display unit 34 and a buffer cell 35.Shadow memory unit 31 is in order to write down an image data 312, this image data 312 is described according to above-mentioned steps 210, produce image by image process unit 33 according to image data 312, and image is transferred to display unit 34 show, wherein the image that is produced can be deposited in a buffer cell 35, therefore buffer cell 35 can comprise an image buffering area (buffer) and stores image, shows for display unit 34.
In addition, image process unit 33 more is included in and adds a pointer 352 in the image, these pointer 352 positions can be corresponding go out a coordinate position, the data of this coordinate can be stored in the buffer cell 35, simultaneously, can change the position that this coordinate comes steering needle 352 by interface unit 32, wherein this coordinate can be defined the position that pointer 352 is shown in viewing area 342, or be shown in the position (as a certain location of pixels in the image data 312, this location of pixels is displayed on the position at pointer 352 places) at pointer 352 places in the viewing area 342 in the image data 312.
In addition, interface unit 32 more can be used to produce a position reference 354 and a displaying ratio 356 according to above-mentioned steps 220 and step 230, this position reference 354 is the ad-hoc location in the image data 312, its acquisition mode can be obtained or obtain according to pointer coordinate 352 when pointer 352 moved on to ad-hoc location or other utilizes coordinate to obtain the mode of ad-hoc location in the image data 312 by user's input coordinate, wherein position reference 354 can be stored in the buffer cell 35 with displaying ratio 356, therefore buffer cell 35 can comprise several buffers, in order to store above-mentioned pointer coordinate 352, position reference 354 and displaying ratio 356.
Moreover interface unit 32 more can be obtained one first coordinate 3110 and one second coordinate 3120 according to above-mentioned steps 320 and step 330, and two coordinates are obtained position reference 354 and displaying ratio 356 according to this.Therefore, more comprising in interface unit 32 provides an option, in order to select the acquisition mode of displaying ratio 356, as obtaining or obtain according to first coordinate and second coordinate by user's input or by selecting one in one group of default displaying ratio 356.In view of the above, image process unit 33 more can be described according to above-mentioned steps 240, and image data 312 is produced the image that is shown in viewing area 342 again according to displaying ratio 356 and position reference 354.Other details of present embodiment is addressed in aforesaid embodiment, does not repeat them here.
The present invention can be applicable to have the system of location and display capabilities, can display pointer be not necessary condition of the present invention, for example be applied in system with Touch Screen, above-mentioned position reference or coordinate can be obtained during by touch-control in screen, in such system, pointer can be shown on the screen, also can not be shown on the screen.The present invention more can be applicable on the portable apparatus such as digital camera or mobile phone in addition.
The above is preferred embodiment of the present invention only, is not in order to limit protection scope of the present invention; Simultaneously above description should be understood and be implemented for the special personage who knows the present technique field, so other does not break away from the equivalence of being finished under the disclosed spirit and change or modification, all should be included in the scope of claims.
Claims (16)
1. adjust the method that digitized video shows with single coordinate for one kind, it is characterized in that, comprise:
Show an image in a viewing area, this image is to show according to an image data;
Obtain a position reference of this image data by a cursor, this position reference is to obtain with respect to a coordinate of this viewing area in this image data;
One the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio; And
This image data is produced an image that shows again in this viewing area according to this displaying ratio and this position reference.
2. the method for adjusting the digitized video demonstration with single coordinate as claimed in claim 1, wherein, above-mentioned coordinate is shown in a pointer of this viewing area to this coordinate to move, this coordinate according to this pointer place is obtained, and this displaying ratio is to obtain from several default displaying ratios.
3. as claimed in claim 1ly adjust the method that digitized video shows with single coordinate, wherein, the image that above-mentioned this shows again is positioned an ad-hoc location of this viewing area with this position reference and produces again in this viewing area according to this displaying ratio.
4. the method for adjusting the digitized video demonstration with single coordinate as claimed in claim 1, wherein, when obtaining a position reference of this image data, further obtain a center position coordinates of this viewing area simultaneously, this image that shows again is positioned the central authorities of this center position coordinates in this viewing area with this position reference and produces again according to this displaying ratio.
5. adjust the method that digitized video shows with several coordinates for one kind, it is characterized in that, comprise:
Show an image in a viewing area, this image is to show according to an image data;
Obtain one first coordinate of this image data by a cursor;
Obtain one second coordinate of this image data by this cursor;
Obtaining mutually according to this first coordinate and this second coordinate should first coordinate and a position reference of show image again of this second coordinate;
One the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio; And
With this again show image be shown in this viewing area again according to this displaying ratio and this position reference.
6. the method for adjusting the digitized video demonstration with several coordinates as claimed in claim 5, wherein, the first above-mentioned coordinate and this second coordinate are that a pointer that will be shown in this viewing area moves to this first coordinate and this second coordinate time respectively, obtain according to this corresponding coordinate of pointer position institute.
7. the method for adjusting the digitized video demonstration with several coordinates as claimed in claim 5, wherein, above-mentioned displaying ratio is selected from one of following dual mode: obtain with the vertical width of this viewing area ratio with respect to vertical range between this first coordinate and this second coordinate; And obtain with the horizontal width of this viewing area ratio with respect to horizontal range between this first coordinate and this second coordinate.
8. the method for adjusting the digitized video demonstration with several coordinates as claimed in claim 5, wherein, this above-mentioned position reference is to be this position reference with the central point between this first coordinate and this second coordinate position, and be foundation with the center position coordinates of this position reference and this viewing area, show this show image again in these viewing area central authorities.
9. the method for adjusting the digitized video demonstration with several coordinates as claimed in claim 5, wherein, above-mentioned viewing area comprises the upper left corner, the upper right corner, the lower left corner, four corners, the lower right corner, and this image data is to be this position reference with this first coordinate, according to behind this displaying ratio resize ratio, be positioned with this position reference to select a corner to come to produce again in four corners of this viewing area according to this displaying ratio.
10. as claimed in claim 5ly adjust the method that digitized video shows with several coordinates, wherein, the size of above-mentioned show image is again mated this viewing area.
11. adjust the system that digitized video shows for one kind, it is characterized in that, comprise:
One image store unit is in order to store an image data;
One interface unit is obtained a position reference by a cursor, and one the mode of selecting with predefined a plurality of displaying ratios obtains this displaying ratio, and wherein this position reference is the ad-hoc location in this image data;
One image process unit is in order to produce this image that is shown in this viewing area with this image data according to this displaying ratio and this position reference; And
One display unit is in order to show that this image is in a viewing area.
12. the system that adjustment digitized video as claimed in claim 11 shows wherein, more comprises a buffer cell, in order to store this position reference, this displaying ratio and this image.
13. the system that adjustment digitized video as claimed in claim 11 shows, wherein, this above-mentioned interface arrangement more comprises a pointer, and this pointer controls the position of this pointer by this interface arrangement, and the position that this pointer is shown in this viewing area is a corresponding pointer coordinate.
14. the system that adjustment digitized video as claimed in claim 11 shows, wherein, when above-mentioned position reference is moved to an ad-hoc location in this pointer, obtain, and this displaying ratio is obtained from several default displaying ratios with this interface arrangement according to this pointer coordinate.
15. the system that adjustment digitized video as claimed in claim 11 shows, wherein, above-mentioned displaying ratio directly produces according to one first coordinate and second coordinate in this viewing area, when this first coordinate and this second coordinate move to two ad-hoc locations successively with pointer, coordinate according to this pointer is obtained, be this position reference with the central authorities between this first coordinate and this second coordinate position simultaneously, this position reference be positioned these viewing area central authorities show again.
16. the system that adjustment digitized video as claimed in claim 11 shows, wherein, above-mentioned displaying ratio is selected from one of following dual mode: obtain with the vertical width of this viewing area ratio with respect to vertical range between this first coordinate and this second coordinate; And obtain with the horizontal width of this viewing area ratio with respect to horizontal range between this first coordinate and this second coordinate.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100059586A CN100571328C (en) | 2004-02-23 | 2004-02-23 | Adjust the method and system that digitized video shows |
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| CNB2004100059586A CN100571328C (en) | 2004-02-23 | 2004-02-23 | Adjust the method and system that digitized video shows |
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| CN100571328C true CN100571328C (en) | 2009-12-16 |
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| CN101626522B (en) * | 2009-07-20 | 2010-11-03 | 北京中科同和信息技术有限公司 | Method for realizing proper screen display of multi-media playing |
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