CN104052913B - The equipment that light draws the method for effect and realizes this method is provided - Google Patents
The equipment that light draws the method for effect and realizes this method is provided Download PDFInfo
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- CN104052913B CN104052913B CN201310083148.1A CN201310083148A CN104052913B CN 104052913 B CN104052913 B CN 104052913B CN 201310083148 A CN201310083148 A CN 201310083148A CN 104052913 B CN104052913 B CN 104052913B
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Abstract
The present invention relates to image processing techniques, in particular to increase the equipment that light draws the method for effect and realizes this method in background picture.Include the following steps: that the exercise data for receiving object, the exercise data are related to the acceleration of the object at various moments according to the method that the offer light of one embodiment of the invention draws effect, by sensor acquisition on the object is arranged；The motion path of the object is determined according to the exercise data；According to the light source attributes for assigning the object, the moving image of the object is generated from identified motion path；And the moving image is synthesized together with background picture.Due to using the sensor being arranged on object come recording light source track, there is no need to high performance camera and to the optimal setting of acquisition parameters.
Description
Technical field
The present invention relates to image processing techniques, in particular to increase method and realization that light draws effect in background picture
The equipment of this method.
Background technique
So-called " light draws photography " refers to using time exposure, creates special shadow by light source variation in exposure process
As a kind of method for imaging of effect (such as " drawn " in the dark using mobile light source and go out image).
The typical manufacturing process that light draws photography photo generally comprises the following steps.It is the place for selecting light dark enough first
Background place of effect, such as underground garage, the ward at night etc. are drawn as pickup light.Then selection portable light source is made
It, can be using the light source with various characteristics, such as LED light, flashlight, fireworks and torch when being drawn for light " paintbrush " used
Deng.Then camera is fixed on tripod, and the shooting ginseng of setting such as time for exposure, aperture and ISO sensitivity etc
Number.The various patterns that subsequent operator keeps light source mobile in space and sketched out under being shot by camera.It is bright due to light source
Degree is significantly larger than object and operator in background, so being presented in the image obtained after time exposure
The light source only moved, object and operator in background are weakened or even do not show.Finally, utilizing image processing software pair
The photo of shooting is modified or is modified, required to achieve the effect that.
It should be pointed out that light draws the production of photography photo either for equipment facility still for the technical ability of photographer
It is proposed higher requirement.By taking camera as an example, need to be equipped with tripod to keep camera stabilization, Er Qieguang during shooting
Circle, shutter speed and ISO sensitivity etc. should have sufficiently large adjustable range, such as shutter needs to provide the sufficiently long time for exposure
(typically tens of seconds), ISO sensitivity also will as far as possible low (such as ISO80), however the value of these parameters is common
What camera was unable to reach.For another example, effect is drawn in order to obtain preferable light, it is desirable that photographer can be for specific scene to above-mentioned
Acquisition parameters optimize setting, and such optimization depends on the experience and skill of photographer in very big degree.This
Outside, once forming apparent defect in picture because acquisition parameters setting is improper, it is also difficult to by the image processing means in later period
It is remedied, so as to cause the failure of manufacturing process.
Summary of the invention
It is simple and easy to operate etc. excellent with realizing the object of the present invention is to provide a kind of method that offer light draws effect
Point.
One embodiment according to the invention, a kind of light method of drawing effect that provides include the following steps:
The exercise data of object is received, the exercise data is related to the acceleration of the object at various moments, by being arranged
Sensor on the object obtains；
The motion path of the object is determined according to the exercise data；
According to assign the object light source attributes, from identified motion path generate the moving image of the object with；With
And
The moving image is synthesized together with background picture.
In the above-described embodiments, using the sensor being arranged on object come recording light source track, there is no need to high performance
Camera and optimal setting to acquisition parameters.
Preferably, the exercise data further includes the angular speed of the object, and the motion path is the matter of the object
The motion path of the heart.
Preferably, the acceleration is obtained by acceleration transducer, and the angular speed is by magnetic sensor or gyro
Instrument obtains.Due to can record motion path by a small amount of sensor, so reducing cost of implementation.
Preferably, the light source attributes include at least one of lower Column Properties: light quantity, colorimetric characteristics, size, shape,
Color, brightness, colour temperature and illumination.Compared with by way of style of shooting recording light source path, in an embodiment of the present invention
Real light sources can be replaced using virtual light source, this provides more free spaces for the creation that light draws works.
Preferably, in the above-mentioned methods, in the step of determining the motion path of the object according to the exercise data, also
Residence time of the object on motion path each point is determined according to the exercise data, and is generating the moving image
In step, according to the object, the residence time of each point determines corresponding light exposure on motion path.
Preferably, in the above-mentioned methods, the motion path includes a plurality of motion profile, and every motion profile is with independent figure
As the form of layer is presented.It is convenient for that motion profile is modified or modified one by one in the form of independent image layer.
Have the function of that providing light draws the portable electronic device of effect it is also an object of the present invention to provide a kind of,
It has many advantages, such as to realize simply and easy to operate.
One embodiment according to the invention, it is a kind of to have the function of providing the portable electronic device packet that light draws effect
It includes:
Sensor is configured as obtaining the exercise data of the portable electronic device, and it is portable that the exercise data is related to this
The acceleration of formula electronic device at various moments；
Processor is configured as determining the motion path of the portable electronic device according to the exercise data, according to
The light source attributes for assigning the portable electronic device generate the fortune of the portable electronic device from identified motion path
Motion video, and the moving image is synthesized together with background picture；And
Display is configured as showing the image after the moving image, background picture and synthesis.
Preferably, above-mentioned portable electronic device is digital camera, mobile phone or tablet computer.Due to sensing acceleration and angle
The sensor of speed is becoming the mainstream configuration of portable electronic device, and the computing capability of processor also significantly mentions
Height, therefore can realize that light draws function in the case where not increasing hardware cost.
It is also an object of the present invention to provide the image processing systems for being adapted to provide for light and drawing effect, have and realize letter
The advantages that single and easy to operate.
One embodiment according to the invention, it is a kind of be adapted to provide for light and draw the image processing system of effect include:
Communication unit is configured as receiving the exercise data of object, and the exercise data is related to the object at various moments
Acceleration, obtained by sensor on the object is arranged；
The processor coupled with communication unit is configured as determining the motion path of the object according to the exercise data,
According to the light source attributes for assigning the object, the moving image of the object is generated from identified motion path, and by the fortune
Motion video is synthesized together with background picture；
The user input equipment coupled with processor, for receiving user's setting about the background picture and light source attributes
It is fixed；And
The display coupled with processor, for show the background picture, the moving image and synthesis after image.
Preferably, in above-mentioned image processing system, the user input equipment be mouse or touch pad and by
As the object of offer exercise data.Preferably, the mouse is air mouse (air mouse).Mouse or touch pad
It is the user input equipment of image processing system Plays configuration, therefore the object that it is used as to analog light source movement simultaneously can be with
Reduce the quantity of equipment.
Detailed description of the invention
Above-mentioned and/or other aspects and advantage of the invention will be become by the description of the various aspects below in conjunction with attached drawing
It is more clear and is easier to understand, the same or similar unit, which is adopted, in attached drawing is indicated by the same numeral, and attached drawing includes:
Fig. 1 is to draw the portable electronic device of effect according to the light that has the function of providing of one embodiment of the invention and show
It is intended to.
Fig. 2 is the schematic diagram for being adapted to provide for light and drawing the image processing system of effect according to one embodiment of the invention.
Fig. 3 is the flow chart for providing light and drawing the method for effect according to one embodiment of the invention.
Fig. 4 a-4c, which is provided, provides the example that light draws effect according to method shown in Fig. 3, and wherein Fig. 4 a is background pictures, Fig. 4 b
Moving image and Fig. 4 c for virtual light source are the photo that there is light to draw effect that will be generated after Fig. 4 a and 4b synthesis.
Fig. 5 is the flow chart for providing light and drawing the method for effect according to another embodiment of the present invention.
Reference list
10 portable electronic devices
110 sensors
120 memories
130 user input interfaces
140 displays
150 communication interfaces
160 processors
20 image processing systems
210 communication units
220 memories
230 user input equipments
240 displays
250 image processing units
Specific embodiment
Referring to which illustrates the attached drawings of illustrative examples of the present invention to more fully illustrate the present invention.But this hair
It is bright to be realized by different form, and be not construed as being only limitted to each embodiment given herein.The above-mentioned each implementation provided
Example is intended to make the disclosure of this paper comprehensively complete, to make understanding to the scope of the present invention more fully and accurately.
The term of such as "comprising" and " comprising " etc indicates have directly in addition to having in the specification and in the claims
Other than the unit and step clearly stated, technical solution of the present invention is also not excluded for having its that do not stated directly or clearly
The situation of its unit and step.
The term of such as " first " and " second " etc be not offered as unit the time, space, in terms of sequence
It and is only to make differentiation each unit to be used.
Object configured with motion sensor is used as virtual light source, and utilizes movement by embodiment according to the invention
Sensor obtains the exercise data of virtual light source, (can then be set by user according to the attribute of exercise data and virtual light source
It is fixed) moving image of light source is generated, and moving image and background picture are synthesized together, so that providing light draws effect.
The embodiment of the present invention is specifically described below by attached drawing.
Fig. 1 is to draw the portable electronic device of effect according to the light that has the function of providing of one embodiment of the invention and show
It is intended to.
In the present specification, term " portable electronic device " should be broadly interpreted as realizing one or more using circuit
Item function and the various devices for being easy to carry about with one or moving, including but not limited to digital camera, mobile phone and tablet computer etc..
As shown in Figure 1, including at least one sensor 110, memory according to the portable electronic device 10 of the present embodiment
120, user input interface 130, display 140, communication interface 150 and the processor 160 coupled with above-mentioned each unit.
Sensor 110 is coupled with memory 120 and processor 160, for obtaining the portable electronic as virtual light source
The exercise data of device, such as can be the acceleration transducer that can sense object acceleration.Optionally, exercise data passes
The demand that sensor uses the form of the sensor of compact package to minimize with adaptive device.In addition, in order to obtain object in space
Interior motion state can select 3 axle sensors to record the exercise data of object in three orthogonal directions.In view of above-mentioned
The increasingly extensive application of the motion sensor of form in portable electronic (such as in digital camera, is utilized respectively
Accelerometer and gyroscope realize rotation detection and stabilization function), when providing light and drawing effect utilize these sensor right and wrong
It is often advantageous.Although selecting other forms it should be pointed out that portraying the exercise data of object using acceleration here
Parameter be also feasible, the situation as long as position that can obtain object is changed with time.
In addition, in order to show the motion state of virtual light source finer and smoothlyer, it can be using gyroscope come detection object or void
The angular speed of quasi- light source and direction, and can determine according to the acceleration of acquisition and angular velocity data the movement road of the mass center of object
Diameter.By magnetic sensor, angular speed and the direction of object or virtual light source can also be calculated indirectly.For another example, it is contemplated that light
The luminous anisotropy in source, can increase one aspect of the angle change as exercise data of object particular surface.This aspect
Data can utilize gravity sensing technology, specifically, can by the measurement a certain weight of interior of articles at two of gravity just
The size of the component on direction is handed over to determine the angle change of tested plane.
It may also be noted that unless stated otherwise, " sensor " in this specification should be broadly interpreted as both having referred to
Sensing element including carrier and circuit connection also refers to the sensor-based system comprising sensing element and information process unit.
The exercise data for the virtual light source that sensor 110 obtains is provided directly to processor 160 and/or is stored in storage
The calling of device 160 for processing in device 120.Processor 160 determines the motion path of virtual light source according to these exercise datas.It is optional
Ground, processor 160 can also determine the residence time of virtual light source each point on path according to exercise data, thus in subsequent motion
Image provides corresponding light exposure parameter when generating.Motion path may include one or more motion profile of object.At this
In specification, term " motion profile " or " track " refer to institute during object moves to another position from some position
After each position according to time-sequencing set.It is worth noting that unless stated otherwise, object in this specification
" position " should be broadly interpreted as optional some position in space or plane on the object.
The light source attributes that processor 160 can be selected according to user, from motion path generate virtual light source moving image with
It is synthesized together with background picture.In shoot on location light drawing case, if f-number remains unchanged, light source on photo certain
Light exposure at one position proportional relationship of residence time at this to it.Therefore in this embodiment, it is preferred that, it is available
Virtual light source variation of residence time on motion path each point calculates it in the light exposure of corresponding position, thus generating
Moving image in make the luminous intensity of virtual light source along motion path be variation.
In the present specification, term " light source attributes " or " attribute " refer to the various characteristics of light source, for example including optics
Characteristic and thermal characteristic.Preferably, one of the following or multifrequency nature can be used as light source attributes: light quantity, colorimetric characteristics,
Size, shape, color, brightness, colour temperature and illumination etc..The light source of the attribute data comprising a variety of virtual light sources can be pre-established
Library simultaneously saves it in memory 120, for user's calling.On the other hand, it can be mentioned from the specific region in background picture
Take image parameter as light source attributes.
In order to provide more flexibilities and convenience in subsequent modification or moditied processing, processor 160 can be
Every motion profile is generated corresponding moving image and is stored in memory 120 in the form of independent image layer, is then led to
It crosses and independent image layer is mixed into background picture, generate the photo that there is light to draw effect.In addition, user can be defeated by user
Incoming interface 130 selects background picture from the picture library saved in memory 120, or can use portable electronic device 110
The photo of shooting is as background picture.
In the present specification, " synthesis " or " mixing " of image should be broadly interpreted as such operation, by pair
The pixel value of images (such as moving image of the background picture and virtual light source in the present embodiment) more than two width or two width
Operation generates the new images that a width contains these image informations.Image processing techniques involved by this operation includes but is not limited to
One of following group or a variety of: removal background, stingy figure, masking-out, channel, transparence, translucentization and local transparence etc..
User input interface 130 for example can be operation button, keypad and touch screen.
Display 140 is connected with processor 120, for rendering the image after background picture, the moving image of object, synthesis
And various option of operation and instruction (such as selection, selection of image processing means of background picture, light source attributes etc.) etc..
Communication interface 150 is responsible for the communication between portable electronic device 10 and external equipment, such as can be by processor
160 light generated draw photographic work and are uploaded to server or are sent to other users, can also download application program and/or data
(such as image, video, audio and text etc.) is into memory 120.Communication interface for example including but be not limited to blue tooth interface,
WiFi interface, RJ-45 interface and USB interface etc..
In above-described embodiment shown in Fig. 1, the acquisition of exercise data and subsequent image procossing (including moving image
Generation and itself and background picture synthesis) be all to be completed in same device.Both but this is not required, actually
It can also be completed with spatially separated.This is further described below.
Fig. 2 is the schematic diagram for being adapted to provide for light and drawing the image processing system of effect according to one embodiment of the invention.
As shown in Fig. 2, including communication unit 210, memory 220, user according to the image processing system 20 of the present embodiment
Input equipment 230, display 240 and the image processing unit 250 coupled with above-mentioned each unit.
Communication unit 210 be responsible for image processing system 20 and obtain exercise data equipment (itself is used as virtual optical
Source) between communication, received exercise data can be supplied directly to image processing unit 250 and/or be stored in memory
For the calling of image processing unit 250 in 220.As described above, exercise data may include object change over time acceleration,
Angular speed and the angle change of particular surface etc..In the present embodiment, in addition to mancarried device for example shown in FIG. 1 can be used
Other than virtual light source, user input equipment 230 may also used as obtaining the equipment and virtual light source of exercise data.Thus may be used
Motion sensor is installed in user input equipment.In view of mobile convenience, user input equipment can using mouse or
The form of touch pad.In particular, user input equipment can use air mouse (air mouse), this mouse it is complete
Portion's component is integrated with the fabric for being suitable for being worn on hand.
Image processing unit 250 obtains the exercise data of virtual light source through communication unit 210 or from memory 220.It is another
Aspect, image processing unit 250 determines the motion path of virtual light source also according to these exercise datas, and can be selected according to user
Fixed light source attributes generate the moving image of virtual light source from motion path, or preferably, 250 basis of image processing unit
Exercise data determine the motion path of virtual light source and on motion path each point residence time, and according to light source category
Property, the moving image of virtual light source is generated from motion path and residence time.The moving image of generation is saved to memory 220
In with for subsequent image synthesize.Equally, image processing unit 250 can generate corresponding motion diagram for every motion profile
As and be stored in the form of independent image layer in memory 220.The light sources in light source bank that user can also save out of memory 220
It is middle to call suitable light source, or light source attributes are extracted from the specific region in background picture.Preferably, image processing unit
250 may include one or more image processing engines and the dynamic random storage for saving image procossing intermediate result
Device.
Display 230 is coupled with image processing unit 250, for rendering after background picture, the moving image of object, synthesis
Image and various option of operation and instruction (such as the selections of background picture, light source attributes, the selection of image processing means
Deng) etc..
Fig. 3 is the flow chart for providing light and drawing the method for effect according to one embodiment of the invention.Fig. 4 a-4c provide according to
Method shown in Fig. 3 provides the example that light draws effect.For ease of understanding, here by taking portable electronic device shown in FIG. 1 as an example into
Row description.But it should be understood that method shown in Fig. 3 can also be applied to other portable electronic devices, if these
Device has the ability for obtaining exercise data and carrying out image procossing.
As shown in figure 3, first in step s310, portable electronic device 10 receives user through user input interface 130
Select command about background picture.As described above, user can be by user input interface 130, from being stored in memory 120
Background picture, or the photo shot on the spot using portable electronic device are chosen in interior picture library as background picture.
Step S320 is subsequently entered, portable electronic device 10 is shown on display 140 about selection light source attributes
It prompts and determines whether the select command for receiving user about light source attributes through user input interface 130.If receiving choosing
Order is selected, then enters step S330, otherwise waits for select command.As described above, user can by user input interface 130,
The light source of attribute needed for being chosen from the light sources in light source bank being stored in memory 120, or mentioned from the specific region in background picture
Take light source attributes.Preferably, the light source in light sources in light source bank can according to attribute (such as light quantity, colorimetric characteristics size, shape, color,
Brightness, colour temperature and illumination etc.) index is established, so that user finds required light source type.Optionally, light source needs not be practical
It is existing, it can be by selecting the attribute centainly combined to define virtual light source used.Specific region for virtual light source
Such as can be lamp, illuminator or reflecting surface etc. in background picture, it can be extracted by the analysis of the pixel value to the region
Image parameter is as attribute out.Fig. 4 a gives the example of background pictures, and the street lamp in figure near photographer is selected as extracting
The region of light source attributes.Optionally, in this step, it can permit user to be adjusted to optimize light the image parameter of extraction
Source attribute.
In step S330, portable electronic device 10 determines whether to generate the exercise data of virtual light source.If passed
Sensor 110 obtains exercise data, then enters step S340, otherwise continues waiting for the generation of exercise data.In the present embodiment,
Portable electronic device 10 plays a part of virtual light source, and exercise data is detected and can be reserved in memory by sensor 110
For being used in subsequent image processing step in 120.Compared with prior art, the present embodiment is got rid of due to using virtual light source
The physical limit of actual light source, therefore provide bigger free writing space for user.In the present embodiment, when movement road
When diameter includes a plurality of motion profile, corresponding moving image can be individually created for every motion profile.For this purpose, in step S330
In, portable electronic device 10 will be determined whether that the exercise data of new motion profile generates, if it is determined that have new movement
The exercise data of track then enters step S340, otherwise, then continues waiting for.
It is worth noting that above-mentioned steps S310-S330 execution sequence be exemplary, can there are many variation.Example
Such as after selected background picture, step S320 and S330 be can be interchanged.For another example, when light source is only chosen from light sources in light source bank,
The execution sequence of step S310-S330 three can be arbitrary.
In step S340, processor 160 determines the movement rail of virtual light source according to the exercise data that sensor 110 obtains
Mark, and optionally, it may further determine that its residence time on motion profile each point.As described above, sensor 110 may include adding
Speedometer is to detect the speed amount of changing with time of virtual light source in three orthogonal directions.On the basis of these exercise datas
On, processor 160 can calculate the position that virtual light source (actually accelerometer) changes over time, so that it is determined that going out to transport
The residence time of each point on dynamic rail mark and track.When virtual light source can be obtained around the angular speed of three mutually orthogonal axis rotations
When, the position that the mass center of virtual light source changes over time can be determined in conjunction with acceleration information.
Step S350 is subsequently entered, processor 160 is generated according to selected light source attributes from the motion profile of virtual light source
Corresponding moving image, or optionally, in the generation of moving image also by based on the residence time and the light exposure of determination is examined
Including worry.As described above, for convenient for subsequent processing, it can be in the form of independent image layer by the moving image of every motion profile
It is stored in memory 120.Fig. 4 b gives the example of the moving image of virtual light source generated.Optionally, in the step
In, it can permit user and moving image generated modified or modified.
Then, in step S360, portable electronic device 10 determines that the instruction of user's input is to continue with drafting movement rail
Mark still terminates to draw motion profile.If being to continue with drafting, otherwise return step S320 then enters step S370.
In step S370, processor 160 transferred from memory 120 moving image of each track and by they with
Background picture is synthesized together, so that generating, there is light to draw the image of effect and be saved into memory 120.Fig. 4 c is provided
The example of composograph, by that will be obtained after Fig. 4 a and 4b synthesis.
Fig. 5 is the flow chart for providing light and drawing the method for effect according to another embodiment of the present invention.
For ease of understanding, it is described by taking image processing system shown in Fig. 2 as an example here.But it should be understood that
Method shown in fig. 5 can also be applied to other image processing systems.
As shown in figure 5, image processing system 20 receives user through user input equipment 230 and closes first in step S510
In the select command of background picture.User for example chooses background picture from the picture library in memory 220, or connects through communication
Mouth 210 downloads background picture from website or portable electronic device.
Step S520 is subsequently entered, image processing system 20 shows mentioning about selection light source attributes on display 240
Show.If receiving select command of the user about light source attributes through user input equipment 230, S530 is entered step, otherwise
Wait select command.It is also possible to using light source attributes selection mode recited above, therefore details are not described herein again.
In step S530, image processing system 20 determines whether to receive the exercise data of virtual light source.If received
To exercise data, then S540 is entered step, otherwise continues waiting for the generation of exercise data.In the present embodiment, Fig. 1 can be used
Shown in portable electronic device 10 or user input equipment 230 be used as virtual light source, and using being mounted on portable electric
Motion sensor in sub-device 10 or user input equipment 230 obtains exercise data.In the case of using the former, movement
Data can be sent into image processing system 20 through communication unit 210 and be stored in memory 120, in the case of using the latter,
Exercise data can be sent into image processing system 20 through communication unit 210 or user input equipment 230 and be stored in memory 120
In.Similarly, in the present embodiment, corresponding moving image can be individually created for every motion profile.For this purpose, in step
In S530, if image processing system 20 determines that the exercise data for having new motion profile generates, S440 is entered step, it is no
Then, then it continues waiting for.
In step S540, image processing unit 250 determines the motion profile of virtual light source according to exercise data, and can
Selection of land may further determine that its residence time on motion profile each point.As described above, exercise data includes the acceleration of virtual light source
Degree, optionally, may also include angular speed.On the basis of these exercise datas, image processing unit 250 can calculate virtual optical
The position (position of accelerometer or virtual light source mass center) that source changes over time, so that it is determined that each on motion profile and track out
The residence time of point.
Step S550 is subsequently entered, image processing unit 250 is according to selected light source attributes, from the movement rail of virtual light source
Mark generates corresponding moving image, or optionally, is generated according to the residence time on motion profile and track and considers light exposure
The moving image of factor.Above-mentioned moving image can be stored in memory 220 in the form of independent image layer.
Then, in step S560, image processing system 20 determines that the instruction of user's input is to continue with drafting motion profile
Still terminate to draw motion profile.If being to continue with drafting, otherwise return step S520 then enters step S570.
In step S570, image processing unit 250 transfers the moving image of each track from memory 220 and will
They are synthesized together with background picture, so that generating, there is light to draw the image of effect and be saved into memory 220.
Although having showed and having discussed some aspects of the invention, those skilled in the art should realize
To: above-mentioned aspect can be changed under conditions of without departing substantially from the principle of the invention and spirit, therefore the scope of the present invention will
It is limited by claim and equivalent content.
Claims (17)
1. a kind of method for providing light and drawing effect, characterized in that it comprises the following steps:
The exercise data of object is received, the exercise data is related to the acceleration and angular speed of the object at various moments, by
The sensor being arranged on the object obtains；
The motion path of the object is determined according to the exercise data；
According to the light source attributes for assigning the object, the moving image of the object is generated from identified motion path；And
The moving image is synthesized together with background picture,
Wherein, the light source attributes include at least one of lower Column Properties: light quantity, colorimetric characteristics, brightness, colour temperature and illumination,
In the step of generating the moving image, determined according to the residence time of object each point on motion path corresponding
Light exposure.
2. the method for claim 1, wherein the motion path is the motion path of the mass center of the object.
3. method according to claim 2, wherein the acceleration is obtained by acceleration transducer, and the angular speed is borrowed
Magnetic sensor or gyroscope is helped to obtain.
4. the method for claim 1, wherein the light source attributes further include at least one of lower Column Properties: size,
Shape and color.
5. the method for claim 1, wherein the step of determining the motion path of the object according to the exercise data
In, residence time of the object on motion path each point is determined also according to the exercise data.
6. the method for claim 1, wherein the motion path include a plurality of motion profile, every motion profile with
The form of independent image layer is presented.
7. a kind of have the function of providing the portable electronic device that light draws effect characterized by comprising
Sensor is configured as obtaining the exercise data of the portable electronic device, and the exercise data is related to the portable electric
The acceleration and angular speed of sub-device at various moments；
Processor is configured as determining the motion path of the portable electronic device according to the exercise data, according to imparting
The light source attributes of the portable electronic device generate the motion diagram of the portable electronic device from identified motion path
Picture, and the moving image is synthesized together with background picture；And
The display coupled with the processor is configured as showing the image after the moving image, background picture and synthesis,
Wherein, the light source attributes include at least one of lower Column Properties: light quantity, colorimetric characteristics, brightness, colour temperature and illumination,
When generating the moving image, determined according to the residence time of portable electronic device each point on motion path
Corresponding light exposure.
8. portable electronic device as claimed in claim 7, wherein the motion path is the movement of the mass center of the object
Path.
9. portable electronic device as claimed in claim 7, wherein the portable electronic device is digital camera, mobile phone
Or tablet computer.
10. portable electronic device as claimed in claim 8, wherein the sensor includes:
For obtaining the acceleration transducer of the acceleration；And
For obtaining the magnetic sensor of the angular speed.
11. portable electronic device as claimed in claim 8, wherein the sensor includes:
For obtaining the acceleration transducer of the acceleration；And
For obtaining the gyroscope of the angular speed.
12. portable electronic device as claimed in claim 7, wherein further include user interface, be configured as receiving user pass
In the setting of the background picture and light source attributes, the light source attributes further include at least one of lower Column Properties: size, shape
Shape, color.
13. portable electronic device as claimed in claim 7, wherein the processor is determined according to the exercise data
When the motion path of the portable electronic device, determine the portable electronic device in motion path also according to the exercise data
Residence time on each point, and when generating the moving image, according to the portable electronic device on motion path
The residence time of each point determines corresponding light exposure.
14. portable electronic device as claimed in claim 7, wherein the motion path includes a plurality of motion profile, described
Every motion profile is presented in processor in the form of independent image layer.
15. a kind of image processing system for being adapted to provide for light and drawing effect characterized by comprising
Communication unit, be configured as receive object exercise data, the exercise data be related to the object at various moments plus
Speed and angular speed, by sensor acquisition on the object is arranged；
The processor coupled with communication unit is configured as determining the motion path of the object according to the exercise data, according to
The light source attributes for assigning the object, generate the moving image of the object from identified motion path, and by the motion diagram
As being synthesized together with background picture；
The user input equipment coupled with processor, for receiving setting of the user about the background picture and light source attributes；
And
The display coupled with processor, for show the background picture, the moving image and synthesis after image,
Wherein, the light source attributes include at least one of lower Column Properties: light quantity, colorimetric characteristics, brightness, colour temperature and illumination,
When generating the moving image, corresponding exposure is determined according to the residence time of object each point on motion path
Amount.
16. image processing system as claimed in claim 15, wherein the user input equipment is mouse or touch pad
And by the object as offer exercise data.
17. image processing system as claimed in claim 16, wherein the mouse is air mouse.
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| CN107071259A (en) * | 2016-11-28 | 2017-08-18 | 努比亚技术有限公司 | It is a kind of to realize method, device and capture apparatus that light paints photography |
| CN108513645B (en) * | 2017-06-28 | 2021-06-01 | 深圳市大疆创新科技有限公司 | Method, device and system for controlling unmanned aerial vehicle and storage medium |
| CN110412828A (en) * | 2018-09-07 | 2019-11-05 | 广东优世联合控股集团股份有限公司 | A kind of Method of printing and system of three-dimensional optical track image |
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