CN104092948A - Method and device for processing image - Google Patents
Method and device for processing image Download PDFInfo
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- CN104092948A CN104092948A CN201410367941.9A CN201410367941A CN104092948A CN 104092948 A CN104092948 A CN 104092948A CN 201410367941 A CN201410367941 A CN 201410367941A CN 104092948 A CN104092948 A CN 104092948A
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Abstract
The invention discloses a method and device for processing an image. The method and device for processing the image are used for automatically generating a star trajectory. The method comprises the steps that a heavenly body is identified from the image, and the position of the heavenly body is determined; the star trajectory is generated according to the position of the heavenly body; the image with the star trajectory is output.
Description
Technical field
The disclosure relates to computer process field, relates in particular to method and the device of processing image.
Background technology
Along with the development of electronic technology, camera develops into present digital camera from initial jelly-roll type camera.Than higher-end in digital camera is single-lens reflex camera.Take fans and take some high-quality unique pictures, the starry sky at for example night through conventional slr camera.Can also carry out art processing to starry sky by taking gimmick, as shoot stars track.
Inventor of the present disclosure finds, in correlation technique, take the camera quality of stars track to photographer and technique for taking all require very high, very strict to the control of exposure and shutter.Common shooting fan is difficult to reach this requirement, also just cannot shoot stars track.Therefore, how shooting stars track, is problem demanding prompt solution.
Summary of the invention
For overcoming the problem existing in correlation technique, the disclosure provides a kind of method and device of processing image.
According to the first aspect of disclosure embodiment, a kind of method of processing image is provided, comprising:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: in the present embodiment, can from image, identify celestial body, then automatically generate stars track for celestial body, realize the improvement to image.And do not need user use the camera of higher-end and there is higher technique for taking, be applicable to domestic consumer.
Described method also comprises:
Receive input for selecting the selection instruction of stars track screening-mode;
Enter stars track screening-mode according to described selection instruction.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: the present embodiment provides stars track screening-mode, in the time that user wishes that the image of shooting has stars track, screening-mode can be switched to stars track screening-mode.
Identify celestial body from image before, described method at least one of comprises the following steps:
Obtain shooting time, judge that whether described shooting time is night, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Obtain color of image, judge whether described color of image comprises the color of night sky, in the time that described color of image comprises the color of night sky, carry out whether having in image the identification of celestial body.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: before carrying out the identification of celestial body in the present embodiment, can first judge in advance time and color, if just may have celestial body night; If what take is the night sky, may there is celestial body; Above-mentioned two situations all do not meet, and there is no celestial body, also, with regard to not needing to carry out the identification of celestial body, can reduce unnecessary processing, save equipment power dissipation.
The described celestial body that identifies from image, determine and comprise the position of celestial body:
Judge and in image, whether have celestial body;
Have celestial body in image time, determine the position of celestial body;
There is no celestial body in image time, output represents not have the information of celestial body.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: in the present embodiment, can judge in image whether have celestial body, if do not had, point out user there is no celestial body, cannot generate stars track.
Describedly judge in image whether have celestial body, comprising: judge in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: the present embodiment by brightness, between, the factor such as luminance difference identifies celestial body from image, to be different from other point-source of light, recognition result is more accurate, contributes to generate stars track more accurately.
Described according to the position of described celestial body, generate stars track, comprising:
Determine length and the movement of heavenly bodies direction of stars track;
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: length and the direction that while generating stars track in the present embodiment, need to determine stars track, the stars track generating so more meets objective law, more accurate, and image effect is better.
The length of described definite stars track, comprising:
Determine the length of stars track according to default path length; Or
According to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: the method for the length of multiple definite stars track is provided in the present embodiment, is applicable to different application scenarioss.
Described definite movement of heavenly bodies direction, comprising:
According to default orientation determination movement of heavenly bodies direction; Or
Obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting; Or
Obtain two images of two times shootings, determine the position of celestial body in described two images, position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: the present embodiment provides the method for multiple definite movement of heavenly bodies direction, makes the stars track generating more meet objective law, is applicable to different application scenarioss.
Described according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track, comprising:
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track;
According to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: the present embodiment generates stars track by be in line the again mode of conversion curve of Mr., generates result and more meets objective law, and image effect is better.
According to the second aspect of disclosure embodiment, a kind of device of processing image is provided, comprising:
Identification module, for identifying celestial body from image, determines the position of celestial body;
Generation module, for according to the position of described celestial body, generates stars track;
Output module, for exporting the image with described stars track.
In one embodiment, described device also comprises:
Receiver module, for receive input for selecting the selection instruction of stars track screening-mode;
Mode switch module, for entering stars track screening-mode according to described selection instruction.
In one embodiment, described device at least comprises in time module and color module;
Time module, for obtaining shooting time, judges whether described shooting time is night; Described identification module, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Color module, for obtaining color of image, judges whether described color of image comprises the color of night sky; Described identification module, in the time that described color of image comprises the color of night sky, carries out whether having in image the identification of celestial body.
In one embodiment, described identification module comprises:
Judging unit, for judging whether image has celestial body;
Position units, in the time that image has celestial body, determines the position of celestial body;
Tip element, in the time that image does not have celestial body, output represents not have the information of celestial body.
In one embodiment, described judging unit judges in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
In one embodiment, described generation module comprises:
Determining unit, for determining length and the movement of heavenly bodies direction of stars track;
Generation unit, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates stars track.
In one embodiment, described determining unit comprises: the first length subelement or the second length subelement;
Described the first length subelement, for determining the length of stars track according to default path length;
Described the second length subelement, for according to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determines the length of stars track.
In one embodiment, described determining unit comprises: first direction subelement, second direction subelement or third direction subelement;
Described first direction subelement, for according to default orientation determination movement of heavenly bodies direction;
Described second direction subelement, the geographical position while shooting for obtaining, movement of heavenly bodies direction is determined in the geographical position during according to described shooting;
Described third direction subelement, for obtaining two images of two times shootings, determines the position of celestial body in described two images, and position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
In one embodiment, described generation unit comprises:
Straight line subelement, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates rectilinear stars track;
Curve subelement, for according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
According to the third aspect of disclosure embodiment, a kind of device of processing image is provided, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the disclosure.
Brief description of the drawings
Accompanying drawing is herein merged in specification and forms the part of this specification, shows embodiment according to the invention, and is used from and explains principle of the present invention with specification one.
Fig. 1 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment.
Fig. 2 is according to the schematic diagram of a kind of image shown in an exemplary embodiment.
Fig. 3 is according to the schematic diagram of a kind of image shown in an exemplary embodiment.
Fig. 4 is according to the schematic diagram of a kind of image shown in an exemplary embodiment.
Fig. 5 is according to the schematic diagram of a kind of image shown in an exemplary embodiment.
Fig. 6 is according to the schematic diagram of a kind of image shown in an exemplary embodiment.
Fig. 7 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment.
Fig. 8 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment.
Fig. 9 is according to the block diagram of a kind of device of processing image shown in an exemplary embodiment.
Figure 10 is according to the block diagram of a kind of device of processing image shown in an exemplary embodiment.
Figure 11 is according to the block diagram of a kind of device of processing image shown in an exemplary embodiment.
Figure 12 is according to the block diagram of a kind of identification module shown in an exemplary embodiment.
Figure 13 is according to the block diagram of a kind of generation module shown in an exemplary embodiment.
Figure 14 is according to the block diagram of a kind of determining unit shown in an exemplary embodiment.
Figure 15 is according to the block diagram of a kind of determining unit shown in an exemplary embodiment.
Figure 16 is according to the block diagram of a kind of generation unit shown in an exemplary embodiment.
Figure 17 is according to the block diagram of a kind of device shown in an exemplary embodiment.
Embodiment
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they are only and the example of apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
In correlation technique, night, starry sky effect was very beautiful, and a lot of shutterbugs wish to shoot the effect of starry sky and stars track.But most of users do not have the ability of taking stars track, and equipment and technique for taking are all not in place.In order to meet the demand of most of domestic consumers, the present embodiment provides a kind of image processing method, can automatically generate stars track.
Fig. 1 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment, and as shown in Figure 1, the method can be realized by mobile terminal, comprises the following steps:
In step 101, from image, identify celestial body, determine the position of celestial body.
In step 102, according to the position of described celestial body, generate stars track.
In step 103, output is with the image of described stars track.
In the present embodiment, can from image, identify celestial body, then automatically generate stars track for celestial body, realize the improvement to image.And do not need user use the camera of higher-end and there is higher technique for taking, be applicable to domestic consumer.
For example, if adopt general style of shooting, as shown in Figure 2,201 represent celestial body to the starry sky photographing.The present embodiment is identified Fig. 2, identifies celestial body, then determines the coordinate of celestial body in image.Generate stars track taking this coordinate as starting point, as shown in Figure 3,301 represent stars tracks to the image after generation stars track.Output map 3, in Fig. 3, stars track is taking straight line as example, stars track can also be curve.
In one embodiment, user can select parts of images to increase stars track.The present embodiment provides at least two kinds of screening-modes, and one is common screening-mode, namely celestial body is not increased to stars track.Another kind is stars track screening-mode.Implementation procedure can be referring to option A, and option A comprises steps A 1 and steps A 2.
In steps A 1, receive input for selecting the selection instruction of stars track screening-mode.
In steps A 2, enter stars track screening-mode according to described selection instruction.
In the present embodiment, enter after stars track screening-mode, whether the image of all shootings is had to the identification of celestial body, be its generation stars track in the time having celestial body.User can also select to exit stars track screening-mode, enters common screening-mode.
In one embodiment, if all images are all carried out to the identification of celestial body, workload is larger.In order to save workload, can before identification celestial body, judge in advance, pre-judgement has multiple implementation, referring to mode B1 and mode B2.
Mode B1: obtain shooting time, judge that whether described shooting time is night, in the time that described shooting time is night, carries out whether having in image the identification of celestial body.Which is to judge whether it is night by the time, can not photograph starry sky night because if be not.In the situation that shooting time is night, from taking starry sky.Therefore can filter out by this judgement the image that is not shooting at night, can export and represent that this image is not the information of starry sky image at night to user.
Mode B2: obtain color of image, judge whether described color of image comprises the color of night sky, in the time that described color of image comprises the color of night sky, carry out whether having in image the identification of celestial body.Which is to judge whether it is starry sky at night by color, and the feature of the starry sky at for example night is that the first half of image has large-area navy blue to black.Whether the first half that can judge image has belongs to the color of navy blue to black, if belong to, whether the area that judges this part continuous color is greater than default area threshold (as the area of 1/4th images), if be greater than default area threshold, determine that image comprises the sky at night, celestial body may be there is, the identification of celestial body can be carried out.If above-mentioned two conditions have at least a condition not meet, export to user the information that presentation video is not night sky image.
Can also be by mode B1 and mode B2 combination, pass-through mode B1 and mode B2 all judge by time, carry out the identification of celestial body.
In one embodiment, step 101 can comprise step C1-step C3.
In step C1, judge in image, whether there is celestial body.
In step C2, have celestial body in image time, determine the position of celestial body.
In step C3, there is no celestial body in image time, output represents not have the information of celestial body.
The present embodiment is determined the position of celestial body judging while having celestial body in image, and carries out generate subsequent and become the step of stars track.Judging while thering is no celestial body in image, export corresponding information to user.
In one embodiment, step C1 need to judge according to the feature of celestial body.First celestial body is a kind of point-source of light, and is the point-source of light of C11-condition C 13 of satisfying condition.
Condition C 11: the brightness of point-source of light is greater than default luminance threshold (as 150 left and right).Brightness ratio weak celestial body people's naked eyes is difficult to identification, and the effect of generation stars track is bad, is not suitable for carrying out the processing of stars track.
Condition C 12: the area of point-source of light belongs to default areal extent interior (as 3-20 pixel).If point-source of light Area comparison is large, be likely in-plant light, if point-source of light is 1,2 pixel, may be to take the error causing.Therefore can be based on experience or statistics, determine the size of celestial body in general pattern, according to this size, a suitable diameter range is set.
Condition C 13: the luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value (as 100 left and right).Celestial body is conventionally aerial in dark sky, is different from other spotlight, searchlight.The luminance difference of celestial body and around sky is larger, based on this feature, can determine that this point-source of light is celestial body in the time that the luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
In one embodiment, through identification and judgement above, can identify more accurately celestial body, and the position of definite celestial body.On this basis, can generate stars track.Step 102 can comprise step D1 and step D2.
In step D1, determine length and the movement of heavenly bodies direction of stars track.
In step D2, according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track.
The position that in the present embodiment, the starting point of stars track is celestial body.Stars track can be positioned at left side or the right side of celestial body, but need to have a clear and definite direction.Stars track is a line, after definite length, just can automatically generate.
In one embodiment, determine that the length of stars track has multiple implementation, as mode E1 and mode E2.
Mode E1: the length of determining stars track according to default path length.This default path length can be configured by user, also can be configured by system default.After being configured, read the path length in acquisition parameters, determine the length of stars track.
Mode E2: according to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.Can set up in advance the corresponding relation of multiple exposure times and length, as shown in table 1.
Table 1
| Exposure time (minute) | Stars path length (pixel) |
| 1-10 | 50 |
| 10-30 | 100 |
| 30-60 | 200 |
| …… | …… |
Table 1 be exposure time and stars path length corresponding relation for example, can be configured according to actual conditions.User can select the exposure time of simulation, exposure time when this exposure time is not actual photographed, the exposure time of simulating but user pursues stars track effect.Read the analogue exposure duration in acquisition parameters, determine corresponding stars path length according to this analogue exposure duration.
In one embodiment, determine that the direction of stars track has multiple implementation, as mode F1-mode F3.
Mode F1: according to default orientation determination movement of heavenly bodies direction.In the present embodiment, can this direction be set by user, also can adopt the default value of system.Read the direction in acquisition parameters, using this direction as movement of heavenly bodies direction.
Mode F2: obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting.The present embodiment combining geographic location is determined the direction of celestial body, and the definite direction of which more meets objective law.For example, the geographical position of shooting is in the Eastern Hemisphere, and movement of heavenly bodies direction is from left to right; On the Western Hemisphere, movement of heavenly bodies direction is from right to left in the geographical position of taking.Or on the Northern Hemisphere, movement of heavenly bodies direction is from left to right in the geographical position of shooting; The geographical position of taking is in the Southern Hemisphere, and movement of heavenly bodies direction is from right to left.
Mode F3: obtain two images of two times shootings, determine the position of celestial body in described two images, position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.The present embodiment is determined the direction of motion according to the change in location of celestial body in two pictures.For example, as shown in Figure 4, taken the picture of the Big Dipper.The duration that interval is default, as 20 minutes, takes again, altogether takes 3 times, obtains 3 images.In 3 images there is variation in the position of the Big Dipper, as shown in Figure 5.Fig. 5 shows the position of the Big Dipper in 3 images, is respectively left, center, right.Can determine movement of heavenly bodies direction according to these 3 positions, i.e. direction from left to right, the stars track obtaining is as shown in Figure 6.The definite direction of motion of which is more accurate, relatively meets objective law.
In one embodiment, stars track can be that straight line can be also curve, in the arctic, the ground such as the South Pole, the equator effect of taking is all different.And relevant with stars path length, if Length Ratio is shorter, the effect that may embody is straight line.If length long enough, the effect embodying is curve.The stars track of shooting in most of areas may be curve.Therefore, step D2 comprises step D21 and step D22.
In step D21, according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track.
In step D22, according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
In the present embodiment, first generate rectilinear stars track according to the position of definite celestial body, direction and path length.Then simulate the center of circle as the center of circle to preset, in the situation that path length is constant, the stars track of formation curve shape.Wherein, the simulation center of circle not necessarily in image, can be that certain outside image is a bit as the virtual center of circle.Take the position of celestial body as the original position of curve, using the length of straight line as length of a curve, to simulate the center of circle as the center of circle, taking circle as model, the stars track of formation curve shape.As shown in Figure 6, the stars track obtaining is the camber line on multiple concentric circless.
Introduce in detail implementation procedure below by several embodiment.
Fig. 7 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment, and as shown in Figure 7, the method can be realized by mobile terminal, comprises the following steps:
In step 701, obtain the image of shooting and the time of photographic images.
In step 702, judge whether described shooting time is night, in the time that described shooting time is night, continues step 703, otherwise finish this flow process, or output represents that shooting time is not the prompting at night.The definition at this night can be depending on actual conditions, and arranging of each department or each season may be different.
In step 703, judge in image and whether have and meet pre-conditioned point-source of light, meet pre-conditioned point-source of light if having, continue step 704, otherwise finish this flow process, or in output presentation video, there is no the information of celestial body.Pre-conditioned can be referring to condition C 11-condition C 13.
In step 704, determine that point-source of light is celestial body, and the position of definite celestial body.
In step 705, determine the length of stars track according to default path length.
In step 706, according to default orientation determination movement of heavenly bodies direction.This step can be synchronizeed and carry out with step 705.
In step 707, according to the length of the position of celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track.
In step 708, according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
In step 709, output is with the image of described stars track.
In the present embodiment, the length of the position of celestial body, stars track and movement of heavenly bodies direction all adopt the parameter value having configured in camera system, user can oneself arrange, also can adopt the default value in camera system, less demanding to user's specialty, be suitable for domestic consumer.
Fig. 8 is according to the flow chart of a kind of method of processing image shown in an exemplary embodiment, and as shown in Figure 8, the method can be realized by mobile terminal, comprises the following steps:
In step 801, obtain image and the color of image taken.
In step 802, judge whether described color of image comprises the color of night sky, in the time comprising the color of night sky, continue step 803, otherwise finish this flow process, or output presentation video not the prompting of image of starry sky at night.
In step 803, judge in image and whether have and meet pre-conditioned point-source of light, meet pre-conditioned point-source of light if having, continue step 804, otherwise finish this flow process, or in output presentation video, there is no the information of celestial body.Pre-conditioned can be referring to condition C 11-condition C 13.
In step 804, determine that point-source of light is celestial body, and the position of definite celestial body.
In step 805, according to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.
In step 806, obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting.This step can be synchronizeed and carry out with step 805.
In step 807, according to the length of the position of celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track.
In step 808, according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
In step 809, output is with the image of described stars track.
Movement of heavenly bodies direction is determined in geographical position in the present embodiment when taking, and determines the length of stars track according to the exposure time of simulation.Definite result is more accurate, more meets user's actual conditions.The image of output more meets user's demand.
Understood the implementation procedure of processing image by above introduction, the equipment that this process has image processing function by mobile terminal etc. is realized, and is introduced below for internal structure and the function of equipment.
Fig. 9 is according to a kind of device schematic diagram of processing image shown in an exemplary embodiment.With reference to Fig. 9, this device comprises: identification module 901, generation module 902 and output module 903.
Identification module 901, for identifying celestial body from image, determines the position of celestial body.
Generation module 902, for according to the position of described celestial body, generates stars track.
Output module 903, for exporting the image with described stars track.
In one embodiment, as shown in figure 10, described device also comprises: receiver module 904 and mode switch module 905.
Receiver module 904, for receive input for selecting the selection instruction of stars track screening-mode.
Mode switch module 905, for entering stars track screening-mode according to described selection instruction.
In one embodiment, as shown in figure 11, described device at least also comprises: in time module 906 and color module 907 one.
Time module 906, for obtaining shooting time, judges whether described shooting time is night.Identification module 901, in the time that described shooting time is night, carries out whether having in image the identification of celestial body.
Color module 907, for obtaining color of image, judges whether described color of image comprises the color of night sky.Identification module 901, in the time that described color of image comprises the color of night sky, carries out whether having in image the identification of celestial body.
In one embodiment, as shown in figure 12, described identification module 901 comprises: judging unit 9011, position units 9012 and Tip element 9013.
Judging unit 9011, for judging whether image has celestial body.
Position units 9012, in the time that image has celestial body, determines the position of celestial body.
Tip element 9013, in the time that image does not have celestial body, output represents not have the information of celestial body.
In one embodiment, described judging unit 9011 judges in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
In one embodiment, as shown in figure 13, described generation module 902 comprises: determining unit 9021 and generation unit 9022.
Determining unit 9021, for determining length and the movement of heavenly bodies direction of stars track.
Generation unit 9022, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates stars track.
In one embodiment, as shown in figure 14, described determining unit 9021 comprises: the first length subelement 1401 or the second length subelement 1402.
Described the first length subelement 1401, for determining the length of stars track according to default path length.
Described the second length subelement 1402, for according to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determines the length of stars track.
In one embodiment, as shown in figure 15, described determining unit 9021 comprises: first direction subelement 1501, second direction subelement 1502 or third direction subelement 1503.
Described first direction subelement 1501, for according to default orientation determination movement of heavenly bodies direction.
Described second direction subelement 1502, the geographical position while shooting for obtaining, movement of heavenly bodies direction is determined in the geographical position during according to described shooting.
Described third direction subelement 1503, for obtaining two images of two times shootings, determines the position of celestial body in described two images, and position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
In one embodiment, as shown in figure 16, described generation unit 9022 comprises: straight line subelement 1601 and curve subelement 1602.
Straight line subelement 1601, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates rectilinear stars track.
Curve subelement 1602, for according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment about the method, will not elaborate explanation herein.
Figure 17 is according to the block diagram of a kind of device 1700 for the treatment of image shown in an exemplary embodiment.For example, device 1700 can be mobile phone, computer, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Figure 17, device 1700 can comprise following one or more assembly: processing components 1702, memory 1704, power supply module 1706, multimedia groupware 1708, audio-frequency assembly 1710, the interface 1712 of I/O (I/O), sensor cluster 1714, and communications component 1716.
The integrated operation of processing components 1702 common control device 1700, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Processing components 1702 can comprise that one or more processors 1720 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 1702 can comprise one or more modules, is convenient to mutual between processing components 1702 and other assemblies.For example, processing unit 1702 can comprise multi-media module, to facilitate mutual between multimedia groupware 1708 and processing components 1702.
Memory 1704 is configured to store various types of data to be supported in the operation of equipment 1700.The example of these data comprises for any application program of operation on device 1700 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 1704 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
Electric power assembly 1706 provides electric power for installing 1700 various assemblies.Electric power assembly 1706 can comprise power-supply management system, one or more power supplys, and other and the assembly that generates, manages and distribute electric power to be associated for device 1700.
Multimedia groupware 1708 is included in the screen that an output interface is provided between described device 1700 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises that one or more touch sensors are with the gesture on sensing touch, slip and touch panel.Described touch sensor is the border of sensing touch or sliding action not only, but also detects duration and the pressure relevant to described touch or slide.In certain embodiments, multimedia groupware 1708 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 1700 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 1710 is configured to output and/or input audio signal.For example, audio-frequency assembly 1710 comprises a microphone (MIC), and when device 1700 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal receiving can be further stored in memory 1704 or be sent via communications component 1716.In certain embodiments, audio-frequency assembly 1710 also comprises a loud speaker, for output audio signal.
I/O interface 1712 is for providing interface between processing components 1702 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 1714 comprises one or more transducers, is used to device 1700 that the state estimation of various aspects is provided.For example, sensor cluster 1714 can detect the opening/closing state of equipment 1700, the relative positioning of assembly, for example described assembly is display and the keypad of device 1700, the position of an assembly of all right checkout gear 1700 of sensor cluster 1714 or device 1700 changes, user is with device 1700 existence that contact or do not have the variations in temperature of device 1700 orientation or acceleration/deceleration and device 1700.Sensor cluster 1714 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 1714 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 1714 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 1716 is configured to be convenient to the communication of wired or wireless mode between device 1700 and other equipment.Device 1700 wireless networks that can access based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communication component 1716 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.In one exemplary embodiment, described communication component 1716 also comprises near-field communication (NFC) module, to promote junction service.For example, can be based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 1700 can be realized by one or more application specific integrated circuits (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for carrying out said method.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the memory 1704 of instruction, above-mentioned instruction can have been carried out said method by the processor 1720 of device 1700.For example, described non-provisional computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A device of processing image, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
Described processor can also be configured to:
Described method also comprises:
Receive input for selecting the selection instruction of stars track screening-mode;
Enter stars track screening-mode according to described selection instruction.
Described processor can also be configured to:
Identify celestial body from image before, described method at least one of comprises the following steps:
Obtain shooting time, judge that whether described shooting time is night, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Obtain color of image, judge whether described color of image comprises the color of night sky, in the time that described color of image comprises the color of night sky, carry out whether having in image the identification of celestial body.
Described processor can also be configured to:
The described celestial body that identifies from image, determine and comprise the position of celestial body:
Judge and in image, whether have celestial body;
Have celestial body in image time, determine the position of celestial body;
There is no celestial body in image time, output represents not have the information of celestial body.
Described processor can also be configured to:
Describedly judge in image whether have celestial body, comprising: judge in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
Described processor can also be configured to:
Described according to the position of described celestial body, generate stars track, comprising:
Determine length and the movement of heavenly bodies direction of stars track;
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track.
Described processor can also be configured to:
The length of described definite stars track, comprising:
Determine the length of stars track according to default path length; Or
According to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.
Described processor can also be configured to:
Described definite movement of heavenly bodies direction, comprising:
According to default orientation determination movement of heavenly bodies direction; Or
Obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting; Or
Obtain two images of two times shootings, determine the position of celestial body in described two images, position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
Described processor can also be configured to:
Described according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track, comprising:
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track;
According to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
A kind of non-provisional computer-readable recording medium, in the time that the instruction in described storage medium is carried out by the processor of mobile terminal, makes mobile terminal can carry out a kind of method of processing image, and described method comprises:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
Instruction in described storage medium can also comprise:
Described method also comprises:
Receive input for selecting the selection instruction of stars track screening-mode;
Enter stars track screening-mode according to described selection instruction.
Instruction in described storage medium can also comprise:
Identify celestial body from image before, described method at least one of comprises the following steps:
Obtain shooting time, judge that whether described shooting time is night, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Obtain color of image, judge whether described color of image comprises the color of night sky, in the time that described color of image comprises the color of night sky, carry out whether having in image the identification of celestial body.
Instruction in described storage medium can also comprise:
The described celestial body that identifies from image, determine and comprise the position of celestial body:
Judge and in image, whether have celestial body;
Have celestial body in image time, determine the position of celestial body;
There is no celestial body in image time, output represents not have the information of celestial body.
Instruction in described storage medium can also comprise:
Describedly judge in image whether have celestial body, comprising: judge in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
Instruction in described storage medium can also comprise:
Described according to the position of described celestial body, generate stars track, comprising:
Determine length and the movement of heavenly bodies direction of stars track;
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track.
Instruction in described storage medium can also comprise:
The length of described definite stars track, comprising:
Determine the length of stars track according to default path length; Or
According to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.
Instruction in described storage medium can also comprise:
Described definite movement of heavenly bodies direction, comprising:
According to default orientation determination movement of heavenly bodies direction; Or
Obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting; Or
Obtain two images of two times shootings, determine the position of celestial body in described two images, position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
Instruction in described storage medium can also comprise:
Described according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track, comprising:
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track;
According to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
Those skilled in the art, considering specification and putting into practice after invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised undocumented common practise or the conventional techniques means in the art of the disclosure.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendments and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (19)
1. a method of processing image, is characterized in that, comprising:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
2. the method for processing image according to claim 1, is characterized in that, described method also comprises:
Receive input for selecting the selection instruction of stars track screening-mode;
Enter stars track screening-mode according to described selection instruction.
3. the method for processing image according to claim 1, is characterized in that, identify celestial body from image before, described method at least one of comprises the following steps:
Obtain shooting time, judge that whether described shooting time is night, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Obtain color of image, judge whether described color of image comprises the color of night sky, in the time that described color of image comprises the color of night sky, carry out whether having in image the identification of celestial body.
4. the method for processing image according to claim 1, is characterized in that, the described celestial body that identifies from image is determined and comprised the position of celestial body:
Judge and in image, whether have celestial body;
Have celestial body in image time, determine the position of celestial body;
There is no celestial body in image time, output represents not have the information of celestial body.
5. the method for processing image according to claim 4, is characterized in that, describedly judges in image whether have celestial body, comprising: judge in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
6. the method for processing image according to claim 1, is characterized in that, described according to the position of described celestial body, generates stars track, comprising:
Determine length and the movement of heavenly bodies direction of stars track;
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate stars track.
7. the method for processing image according to claim 6, is characterized in that, the length of described definite stars track, comprising:
Determine the length of stars track according to default path length; Or
According to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determine the length of stars track.
8. the method for processing image according to claim 6, is characterized in that, described definite movement of heavenly bodies direction, comprising:
According to default orientation determination movement of heavenly bodies direction; Or
Obtain the geographical position while shooting, movement of heavenly bodies direction is determined in the geographical position during according to described shooting; Or
Obtain two images of two times shootings, determine the position of celestial body in described two images, position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
9. the method for processing image according to claim 6, is characterized in that, described according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates stars track, comprising:
According to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generate rectilinear stars track;
According to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
10. a device of processing image, is characterized in that, comprising:
Identification module, for identifying celestial body from image, determines the position of celestial body;
Generation module, for according to the position of described celestial body, generates stars track;
Output module, for exporting the image with described stars track.
The device of 11. processing images according to claim 10, is characterized in that, described device also comprises:
Receiver module, for receive input for selecting the selection instruction of stars track screening-mode;
Mode switch module, for entering stars track screening-mode according to described selection instruction.
The device of 12. processing images according to claim 10, is characterized in that, described device at least comprises in time module and color module;
Time module, for obtaining shooting time, judges whether described shooting time is night; Described identification module, in the time that described shooting time is night, carries out whether having in image the identification of celestial body;
Color module, for obtaining color of image, judges whether described color of image comprises the color of night sky; Described identification module, in the time that described color of image comprises the color of night sky, carries out whether having in image the identification of celestial body.
The device of 13. processing images according to claim 10, is characterized in that, described identification module comprises:
Judging unit, for judging whether image has celestial body;
Position units, in the time that image has celestial body, determines the position of celestial body;
Tip element, in the time that image does not have celestial body, output represents not have the information of celestial body.
The device of 14. processing images according to claim 13, is characterized in that, described judging unit judges in image, whether there is the point-source of light that meets following condition;
The brightness of point-source of light is greater than default luminance threshold;
The area of point-source of light belongs in default areal extent;
The luminance difference of point-source of light and peripheral region is greater than default luminance difference threshold value.
The device of 15. processing images according to claim 10, is characterized in that, described generation module comprises:
Determining unit, for determining length and the movement of heavenly bodies direction of stars track;
Generation unit, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates stars track.
The device of 16. processing images according to claim 15, is characterized in that, described determining unit comprises: the first length subelement or the second length subelement;
Described the first length subelement, for determining the length of stars track according to default path length;
Described the second length subelement, for according to the corresponding relation of the length of the exposure time of simulation and exposure time and stars track, determines the length of stars track.
The device of 17. processing images according to claim 15, is characterized in that, described determining unit comprises: first direction subelement, second direction subelement or third direction subelement;
Described first direction subelement, for according to default orientation determination movement of heavenly bodies direction;
Described second direction subelement, the geographical position while shooting for obtaining, movement of heavenly bodies direction is determined in the geographical position during according to described shooting;
Described third direction subelement, for obtaining two images of two times shootings, determines the position of celestial body in described two images, and position and time sequencing according to celestial body in described two images, determine movement of heavenly bodies direction.
The device of 18. processing images according to claim 15, is characterized in that, described generation unit comprises:
Straight line subelement, for according to the length of the position of described celestial body, stars track and movement of heavenly bodies direction, generates rectilinear stars track;
Curve subelement, for according to the default simulation center of circle and described linear stars track, the stars track of formation curve shape.
Process the device of image for 19. 1 kinds, it is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
From image, identify celestial body, determine the position of celestial body;
According to the position of described celestial body, generate stars track;
Output is with the image of described stars track.
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