CN103795927A - Photographing method and system - Google Patents
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Abstract
The invention discloses a photographing method and system. The photographing method includes the steps of A, detecting objects, with the high identification degree, in a preview area scene, calculating focusing distances of the objects, and setting corresponding fault-tolerant distances according to the focusing distances to obtain focusing processes with fault-tolerant areas, and B, setting focal distances to be corresponding numerical values according to the focusing processes, recording and saving image frames captured in the motion process of a focusing mechanism, calling the corresponding image frames according to selecting commands of users, and conducting displaying. By means of the photographing method, even though a motion object is photographed or a photographing terminal shakes, the image frames with clear focusing can be obtained in the later period by selecting appropriate focusing images, and the photographing method and system are suitable for conducting photographing in various severe environments.
Description
Technical field
The present invention relates to image taking field, relate in particular to a kind of photographic method and system.
Background technology
In prior art, the general mode prefocusing that adopts of photographic images, be that user chose focusing object before taking, before action is taken pictures in execution, adjust Focusing mechanism and Focal Point Shift is focused on object to specifying, then carry out the action of taking pictures to obtain the most clear picture.Prior art is generally only applicable to static shooting in the good situation of environmental condition, while shooting under fast motion scenes and the poor environment of contrast, thereby said method often cannot stably carry out focus calculation to be caused taking rear image blurring, focus is inaccurate, once and focus is fixing just cannot change, photographer cannot adjust to obtain by the later stage and stablize image clearly.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of photographic method and system, be intended to solve existing photographic method and be not suitable for the problem of fast motion scenes and the poor environment of contrast.
Technical scheme of the present invention is as follows:
A kind of photographic method, wherein, comprises step:
A, detect the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
B, according to described focusing process, focal length is set to respective value, records the picture frame capturing in Focusing mechanism motion process and preserve, transfer corresponding picture frame according to user's the instruction of choosing, and show.
Described photographic method, wherein, described steps A specifically comprises:
A1, preview area is divided into some preview subregions and screen area is divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
A2, detect the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
A3, according to predetermined step value, each focusing is arranged to a segment distance from front and back and obtains having the focusing process in fault-tolerant region.
Described photographic method, wherein, described step B specifically comprises:
B1, the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
B2, record the picture frame that catches in Focusing mechanism motion process and preserve;
B3, click on area according to user on screen, select the image frame data under the focusing process of corresponding preview subregion, and show.
Described photographic method, wherein, described steps A 1 also comprises:
Preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.
Described photographic method, wherein, described step B3 specifically comprises:
B31, click on area according to user on screen, all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
B32, all image frame data of choosing are shown in order, and according to user's instruction, select required picture frame.
A kind of camera system, wherein, comprising:
Focusing process arranges module, for detection of the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
Picture frame display module, for according to described focusing process, focal length being set to respective value, recording the picture frame capturing in Focusing mechanism motion process and preserving, transfers corresponding picture frame according to user's the instruction of choosing, and shows.
Described camera system, wherein, described focusing process arranges module and specifically comprises:
Cut apart matching unit, for preview area being divided into some preview subregions and screen area being divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
Focusing is from detecting unit, for detection of the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
Fault-tolerant processing unit, obtains having the focusing process in fault-tolerant region for each focusing being arranged to a segment distance according to predetermined step value from front and back.
Described camera system, wherein, described picture frame display module specifically comprises:
Focusing mechanism moving cell, for the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
Picture frame record cell, the picture frame the preservation that capture for recording Focusing mechanism motion process;
Picture frame display unit, for the click on area on screen according to user, selects the image frame data under the focusing process of corresponding preview subregion, and shows.
Described camera system, wherein, described in cut apart matching unit and also comprise:
Cut apart coupling subelement, for preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.
Described camera system, wherein, described picture frame display unit specifically comprises:
Image frame data is chosen subelement, for the click on area on screen according to user, and all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
Picture frame is shown subelement, for all image frame data of choosing are shown in order, and according to user's instruction, selects required picture frame.
Beneficial effect: the present invention is by detecting the high object of resolution in preview area scene, and the focusing of calculating each object from, according to the focusing of each object from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region; According to the focusing process obtaining, focal length is set to respective value, and record the picture frame of the each object capturing in Focusing mechanism motion process, even like this in the situation that of taking moving object or camera terminal shake itself, also can be in the later stage by choosing suitable image, the acquisition picture frame clearly of focusing, is suitable for the shooting under various adverse circumstances.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of photographic method preferred embodiment of the present invention.
Fig. 2 is the particular flow sheet of step S101 in method shown in Fig. 1.
Fig. 3 is that in method of the present invention, preview area is cut apart schematic diagram.
Fig. 4 is that in method of the present invention, fault-tolerance distance arranges schematic diagram.
Fig. 5 is the particular flow sheet of step S102 in method shown in Fig. 1.
Fig. 6 is interface schematic diagram when user clicks screen area in method of the present invention.
Fig. 7 is that in method of the present invention, user clicks the interface schematic diagram after screen area.
Fig. 8 is that in method of the present invention, preview subregion carries out the schematic diagram of cutting apart after Further Division.
Fig. 9 is the particular flow sheet of step S203 in method shown in Fig. 5.
Figure 10 is the structured flowchart of a kind of camera system preferred embodiment of the present invention.
Figure 11 is the concrete structure block diagram that in system shown in Figure 10, focusing process arranges module.
Figure 12 is the concrete structure block diagram of picture frame display module in system shown in Figure 10.
Figure 13 is the concrete structure block diagram of picture frame display unit in module shown in Figure 12.
Embodiment
The invention provides a kind of photographic method and system, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the flow chart of a kind of photographic method preferred embodiment of the present invention, and as shown in the figure, it comprises step:
S101, detect the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
S102, according to described focusing process, focal length is set to respective value, records the picture frame capturing in Focusing mechanism motion process and preserve, transfer corresponding picture frame according to user's the instruction of choosing, and show.
In above-described embodiment, first detect the high object of resolution in the scene of preview area, and the focusing of calculating each object from, first determine the focusing position of the object that resolution is high, as for the detection of the high object of resolution, can realize by image detection of the prior art, therefore do not repeat herein.Then according to the focusing of each object from corresponding fault-tolerance distance is set, thereby obtain the focusing process with fault-tolerant region of each object, utilize this focusing process focal length to be set to corresponding numerical value, thereby obtain all picture frames of the each object capturing in the whole motion process of Focusing mechanism, select corresponding picture frame by user, and show, clapping after photograph, user can, according to multiple picture frames taken for each object that capture in Focusing mechanism motion process, select required picture frame clearly.Method of the present invention is applicable to taking pictures under various moving scenes and the poor environment of contrast, inaccurate even if user focuses in the time taking pictures, and also can after taking pictures, again choose the image clearly of focusing, and makes the image that finally obtains more clear.
As the preferred embodiment of the present invention, as shown in Figure 2, described step S101 specifically comprises:
S201, preview area is divided into some preview subregions and screen area is divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
This step is first preview area to be divided into some preview subregions, as shown in Figure 3, preview area can be divided into several continuous preview subregions, and can set up an index value for each preview subregion, for example as shown in Figure 31, 2, 3 etc., screen area also can be divided into corresponding screen subregion simultaneously, preferably, preview subregion position is screen subregion position, be that preview subregion is corresponding one by one with its place screen subregion, and each preview subregion coupling associated with screen subregion, if like this after user click screen zones of different, just can be associated with corresponding preview subregion.
S202, detect the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
This step is to detect the high object (focusing object) of resolution in the scene of each preview subregion, thus the focusing that obtains the object that in each preview subregion, resolution is high from.
S203, according to predetermined step value, each focusing is arranged to a segment distance from front and back and obtains having the focusing process in fault-tolerant region.
For example, as shown in Figure 4, the focusing of the object that a certain resolution is high is from being 1 meter, one section of fault-tolerance distance can be set from front and back the focusing of this object so, as front and back respectively arrange 0.5 meter, front fault-tolerance distance is 0.5 meter, and rear fault-tolerance distance is also 0.5 meter, obtain the focusing process of 0.5 meter ~ 1.5 meters, its fault-tolerance distance is 1 meter.Can improve like this flexibility while adjusting focus, under the slight scene changing of focusing object, this fault-tolerance distance is set, can guarantee that focusing is more accurate.The focusing of the high object of other resolutions, from one section of fault-tolerance distance also can be set respectively, is obtained having the focusing process in fault-tolerant region.
As the preferred embodiment of the present invention, as shown in Figure 5, described step S102 can specifically be refined as following steps:
S301, the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
First the focusing process that calculates each preview subregion is sorted, and each focusing process is sorted according to order from front to back, and can merge processing for the focusing process repeating, the focusing of the focusing process of the object that for example in a certain preview subregion, a certain resolution is high is from being 0.5 meter to 1.5 meters, the focusing of the focusing process of the object that another resolution is high is from being 1 meter to 2 meters, the focusing of the focusing process of this preview subregion, from merging into 0.5 meter to 2 meters, then makes Focusing mechanism successively focal length is set to respective value.Because each screen subregion is corresponding one by one with preview subregion, so can correspond to corresponding focusing process by the index value of each preview subregion, can correspond to corresponding focusing process by each screen subregion, in the time that user clicks a certain screen subregion, can obtain the picture frame under corresponding focusing process.
According to the numerical value of above-mentioned focusing process, can determine the focusing process that Focusing mechanism need to be carried out, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively, carry out the process of taking pictures.
S302, record the picture frame that captures in Focusing mechanism motion process and preserve;
In Focusing mechanism motion process, be arranged with multiple taking pictures a little in focusing process, the picture frame that recording respectively takes pictures a little obtains, and preserve image frame data, for after user according to transferring.
S303, click on area according to user on screen, select the image frame data under the focusing process of corresponding preview subregion, and show.
Due to the picture frame of having preserved under different focus process, and the picture frame correspondence of the process of respectively focusing different preview subregions, corresponding different screen subregion, so in the time that user wishes upper certain object of image focusing, can click the screen subregion at this object place, as shown in Figure 6, thereby obtain this object image clearly of focusing, as shown in Figure 7, and owing to being provided with fault-tolerant region, so user also can further obtain the image more clearly under this fault-tolerant region.
As the preferred embodiment of the present invention, described step S201 also comprises:
Preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.As shown in Figure 8, further divide cutting apart the preview subregion and the screen subregion that obtain, when resolution is high in a preview subregion like this object is more, can be by further dividing, obtain the focusing process of each object, to obtain corresponding object image more clearly, certainly, can also further divide preview zonule and screen zonule as required.
As the preferred embodiment of the present invention, as shown in Figure 9, described step S303 specifically comprises:
S401, click on area according to user on screen, all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
In the time that user clicks certain screen subregion of screen, all image frame data of the focusing process of just choosing the preview subregion that this screen subregion is corresponding under fault-tolerant region.All image frame data that for example aforementioned focusing process is preserved between 0.5 meter ~ 1.5 meters.
S402, all image frame data of choosing are shown in order, and according to user's instruction, select required picture frame.
This step is that all image frame data of transferring are shown in order, for example show according to sliding type, user's screen that slides can show all picture frames successively, in the time that user selects one of them picture frame, this picture frame is amplified to displaying, so just realized focus adjustment more flexibly, and the object of not worrying focusing there is slight focal length to change the image the bringing inaccurate problem of focusing.
Based on said method, the present invention also provides a kind of camera system, and as shown in figure 10, it comprises:
Focusing process arranges module 100, for detection of the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
Picture frame display module 200, for according to described focusing process, focal length being set to respective value, recording the picture frame capturing in Focusing mechanism motion process and preserving, transfers corresponding picture frame according to user's the instruction of choosing, and shows.
In the present embodiment, first by focusing process, the high object of resolution in the scene that module 100 detects preview area is set, and the focusing of calculating each object from, then according to the focusing of each object from corresponding fault-tolerance distance is set, thereby obtain the focusing process with fault-tolerant region of each object, utilize picture frame display module 200 focal length to be set to corresponding numerical value, thereby obtain all picture frames of each object that capture in the whole motion process of Focusing mechanism, select corresponding picture frame by user, and show, clapping after photograph, user can be according to multiple picture frames taken for each object that capture in Focusing mechanism motion process, select required picture frame clearly.System of the present invention is applicable to taking pictures under various moving scenes and the poor environment of contrast, inaccurate even if user focuses in the time taking pictures, and also can after taking pictures, again choose the image clearly of focusing, and makes the image that finally obtains more clear.
Further, as shown in figure 11, described focusing process arranges module 100 and specifically comprises:
Cut apart matching unit 110, for preview area being divided into some preview subregions and screen area being divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
Focusing is from detecting unit 120, for detection of the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
Fault-tolerant processing unit 130, obtains having the focusing process in fault-tolerant region for each focusing being arranged to a segment distance according to predetermined step value from front and back.
In the above-described embodiments, cutting apart matching unit 110 is used for preview area to be divided into several continuous preview subregions, and can set up an index value for each preview subregion, screen area also can be divided into corresponding screen subregion simultaneously, and each preview subregion coupling associated with screen subregion, if like this after user click screen zones of different, just can be associated with corresponding preview subregion.
Further, as shown in figure 12, described picture frame display module 200 specifically comprises:
Focusing mechanism moving cell 210, for the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
Picture frame record cell 220, the picture frame the preservation that capture for recording Focusing mechanism motion process;
Picture frame display unit 230, for the click on area on screen according to user, selects the image frame data under the focusing process of corresponding preview subregion, and shows.
In the above-described embodiments, due to the picture frame of having preserved under different focus process, and the picture frame correspondence of the process of respectively focusing different preview subregions, corresponding different screen subregion, so in the time that user wishes upper certain object of image focusing, can click the screen subregion at this object place, thereby obtain this object image clearly of focusing, and owing to being provided with fault-tolerant region, so user also can further obtain the image more clearly under this fault-tolerant region.
Further, described in, cutting apart matching unit 110 also comprises:
Cut apart coupling subelement, for preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.
Further, as shown in figure 13, described picture frame display unit 230 specifically comprises:
Image frame data is chosen subelement 231, for the click on area on screen according to user, and all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
Picture frame is shown subelement 232, for all image frame data of choosing are shown in order, and according to user's instruction, selects required picture frame.The present embodiment is that all image frame data of transferring are shown in order, for example show according to sliding type, user's screen that slides can show all picture frames successively, in the time that user selects one of them picture frame, this picture frame is amplified to displaying, so just realized focus adjustment more flexibly, and the object of not worrying focusing there is slight focal length to change the image the bringing inaccurate problem of focusing.
About ins and outs existing detailed description in detail in method above of above-mentioned modular unit, therefore repeat no more.
In sum, the present invention is by detecting the high object of resolution in preview area scene, and the focusing of calculating each object from, according to focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region; According to the focusing process obtaining, focal length is set to respective value, and record the picture frame capturing in Focusing mechanism motion process, even like this in the situation that of taking moving object or camera terminal shake itself, also can be in the later stage by choosing suitable focus image, the acquisition picture frame clearly of focusing, thereby strengthen the flexibility of later stage adjustment focus, be suitable for the shooting under various adverse circumstances.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a photographic method, is characterized in that, comprises step:
A, detect the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
B, according to described focusing process, focal length is set to respective value, records the picture frame capturing in Focusing mechanism motion process and preserve, transfer corresponding picture frame according to user's the instruction of choosing, and show.
2. photographic method according to claim 1, is characterized in that, described steps A specifically comprises:
A1, preview area is divided into some preview subregions and screen area is divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
A2, detect the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
A3, according to predetermined step value, each focusing is arranged to a segment distance from front and back and obtains having the focusing process in fault-tolerant region.
3. photographic method according to claim 2, is characterized in that, described step B specifically comprises:
B1, the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
B2, record the picture frame that captures in Focusing mechanism motion process and preserve;
B3, click on area according to user on screen, select the image frame data under the focusing process of corresponding preview subregion, and show.
4. photographic method according to claim 2, is characterized in that, described steps A 1 also comprises:
Preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.
5. photographic method according to claim 3, is characterized in that, described step B3 specifically comprises:
B31, click on area according to user on screen, all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
B32, all image frame data of choosing are shown in order, and according to user's instruction, select required picture frame.
6. a camera system, is characterized in that, comprising:
Focusing process arranges module, for detection of the high object of resolution in preview area scene, and the focusing of calculating each object from, according to described focusing from the focusing process that corresponding fault-tolerance distance is set obtains having fault-tolerant region;
Picture frame display module, for according to described focusing process, focal length being set to respective value, recording the picture frame capturing in Focusing mechanism motion process and preserving, transfers corresponding picture frame according to user's the instruction of choosing, and shows.
7. camera system according to claim 6, is characterized in that, described focusing process arranges module and specifically comprises:
Cut apart matching unit, for preview area being divided into some preview subregions and screen area being divided into some and preview subregion screen subregion one to one, and each preview subregion and screen all subregion are carried out to associated coupling;
Focusing is from detecting unit, for detection of the high object of resolution in each preview subregion scene, and the focusing of calculating each object from;
Fault-tolerant processing unit, obtains having the focusing process in fault-tolerant region for each focusing being arranged to a segment distance according to predetermined step value from front and back.
8. camera system according to claim 7, is characterized in that, described picture frame display module specifically comprises:
Focusing mechanism moving cell, for the each focusing process calculating is sorted, and focal length is set to the corresponding numerical value of focusing process by motion Focusing mechanism successively;
Picture frame record cell, the picture frame the preservation that capture for recording Focusing mechanism motion process;
Picture frame display unit, for the click on area on screen according to user, selects the image frame data under the focusing process of corresponding preview subregion, and shows.
9. camera system according to claim 7, is characterized in that, described in cut apart matching unit and also comprise:
Cut apart coupling subelement, for preview subregion is further divided into some previews zonule, and screen subregion is further divided into some and screen zonule one to one, preview zonule, and associated coupling is carried out to the each zonule of screen in each preview zonule.
10. camera system according to claim 8, is characterized in that, described picture frame display unit specifically comprises:
Image frame data is chosen subelement, for the click on area on screen according to user, and all image frame data of the focusing process of choosing corresponding preview subregion under fault-tolerant region;
Picture frame is shown subelement, for all image frame data of choosing are shown in order, and according to user's instruction, selects required picture frame.
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| CN105120153B (en) * | 2015-08-20 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of image capturing method and device |
| WO2017091957A1 (en) * | 2015-11-30 | 2017-06-08 | SZ DJI Technology Co., Ltd. | Imaging system and method |
| US11006037B2 (en) | 2015-11-30 | 2021-05-11 | SZ DJI Technology Co., Ltd. | Imaging system and method |
| CN114449152A (en) * | 2020-10-30 | 2022-05-06 | 北京小米移动软件有限公司 | Focusing method and device, electronic equipment and storage medium |
| CN114449152B (en) * | 2020-10-30 | 2023-09-22 | 北京小米移动软件有限公司 | Focusing method, focusing device, electronic equipment and storage medium |
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