CN106341590B - Image Acquisition control method and device, image capture device - Google Patents
Image Acquisition control method and device, image capture device Download PDFInfo
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Abstract
This application discloses a kind of Image Acquisition control method and devices, image capture device, it is one of the described method includes: inclination information according at least to digital image sensor with respect to a reference direction, obtain in the digital image sensor related information between at least partly pixel unit, the corresponding any pixel unit of second location information pixel unit corresponding with first location information is associated in the related information, it is corresponding that the first location information and the second location information are in the position of any pixel unit when non-tilt state and heeling condition with the digital image sensor respectively；According at least to the related information, respective associated pixel unit will be transferred to electric signal corresponding to its collected optical signal by controlling in the digital image sensor at least partly pixel unit；Electric signal after the completion of at least partly described associated pixel unit transfer of output.The application is conducive to save Image Acquisition resource, improves the convenience used.
Description
Technical field
This application involves fields of communication technology, more particularly to a kind of Image Acquisition control method and device, Image Acquisition
Equipment.
Background technique
In image acquisition process, if image capture device (such as camera, smart phone) be not parallel to it is to be captured
Scene in certain reference line (such as horizontal line or vertical line), then the reference line tool relatively of the image in collected scene
There is certain gradient.
For the inclination information of remedial frames content, the method that software correction usually can be used carries out acquired image
Post-processing for example, can rotate acquired image around its center, and is cut or the modes such as white space filling are raw
The new image for eliminating above-mentioned inclination information at one.
Summary of the invention
The brief overview about the application is given below, in order to provide the basic of some aspects about the application
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction about the application.It is not intended to determine the pass of the application
Key or pith, nor intended limitation scope of the present application.Its purpose only provides certain concepts in simplified form,
Taking this as a prelude to a more detailed description discussed later.
The embodiment of the present application provides a kind of Image Acquisition control method and device, image capture device.
In a first aspect, the embodiment of the present application provides a kind of Image Acquisition control method, comprising:
Inclination information according at least to digital image sensor with respect to a reference direction, obtains the digital image sensor
In related information at least partly between pixel unit, the corresponding any pixel unit of second location information in the related information
Pixel unit corresponding with first location information is associated with, the first location information and the second location information respectively with it is described
The position that digital image sensor is in any pixel unit when non-tilt state and heeling condition is corresponding；
According at least to the related information, control in the digital image sensor that at least partly pixel unit will be adopted with it
Electric signal corresponding to the optical signal collected is transferred to respective associated pixel unit；
Electric signal after the completion of at least partly described associated pixel unit transfer of output.
In conjunction with any Image Acquisition control method provided by the embodiments of the present application, optionally, the reference direction includes:
Horizontal direction or vertical direction.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Before related information in imaging sensor at least partly between pixel unit, the method also includes: obtain the digitized map
As the inclination information of the relatively described reference direction of sensor.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Before the inclination information of the relatively described reference direction of imaging sensor, the method also includes: according at least to gravity sensor and/
Or the signal of gyroscope determines the reference direction.
It is optionally, described according at least to gravity in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Sensor and/or gyroscope obtain the reference direction, comprising: carry out side to the digital image sensor acquired image
Edge identification；According to the determination of the limb recognition result of the signal and described image of the gravity sensor and/or gyroscope
Reference direction.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Before related information in imaging sensor at least partly between pixel unit, the method also includes: according to each association
Distribution of the pixel unit in the digital image sensor, determine that the regional area of the digital image sensor is effective
Imaging area；Electric signal after the completion of at least partly described associated pixel unit transfer of the output, comprising: output is described effectively
Electric signal in imaging area after the completion of each associated pixel unit transfer.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Before related information in imaging sensor at least partly between pixel unit, the method also includes: it obtains different inclinations and believes
Mapping relations between breath and different related informations；It is described obtain in the digital image sensor at least partly pixel unit it
Between related information, comprising: determine inclining for the reference direction opposite with the digital image sensor in the mapping relations
Related information corresponding to oblique information.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Related information in imaging sensor at least partly between pixel unit, comprising: the number is determined according to the inclination information
The rectangular projection coordinate value of the relatively described reference direction of the coordinate of pixel unit in imaging sensor；It is just trading according at least to described
Shadow coordinate value determine in the digital image sensor with the associated pixel unit of respective pixel unit.
It is optionally, described according at least to described in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Related information, control in the digital image sensor at least partly pixel unit by with corresponding to its collected optical signal
Electric signal is transferred to respective associated pixel unit, comprising: according at least partly pixel unit and respective associated pixel
Distribution of the unit in described image sensor is determined respectively for at least partly pixel unit to respective associated pixel
The quadrature path information that the electric signal of unit is shifted by adjacent pixel unit；Respective pixel is controlled according to the quadrature path information
The electric signal of unit is transferred to the pixel unit of respective associated.
Second aspect, the embodiment of the present application also provides a kind of Image Acquisition control devices, comprising:
One related information obtains module, believes for the inclination according at least to digital image sensor with respect to a reference direction
Breath, obtains in the digital image sensor related information between at least partly pixel unit, second in the related information
The corresponding any pixel unit of location information pixel unit corresponding with first location information is associated with, the first location information and
The second location information is in any picture when non-tilt state and heeling condition with the digital image sensor respectively
The position of plain unit is corresponding；
One signal shifts control module, for controlling in the digital image sensor according at least to the related information
At least partly pixel unit will be transferred to respective associated pixel unit with electric signal corresponding to its collected optical signal；
One signal output control module, for exporting the telecommunications after the completion of at least partly described associated pixel unit shifts
Number.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the reference direction includes:
Horizontal direction or vertical direction.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Inclination information obtains module, for obtaining the inclination information of the relatively described reference direction of the digital image sensor.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Reference direction determining module, for determining the reference direction according at least to the signal of gravity sensor and/or gyroscope.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the reference direction is determined
Module includes: image border identification submodule, for carrying out edge knowledge to the digital image sensor acquired image
Not；One reference direction determines submodule, for the signal and described image according to the gravity sensor and/or gyroscope
Limb recognition result determine the reference direction.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Effective imaging area determining module, for the distribution according to each associated pixel unit in the digital image sensor,
The regional area for determining the digital image sensor is effective imaging area；The signal output control module includes: a signal
Control submodule is exported, for exporting the telecommunications in effective imaging area after the completion of each associated pixel unit transfer
Number.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, described device further include: one
Mapping relations obtain module, for obtaining the mapping relations between different inclination informations and different related informations；The association letter
Breath obtain module include: one first related information acquisition submodule, for determine in the mapping relations with the digital picture
Related information corresponding to the inclination information of the relatively described reference direction of sensor.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the related information is obtained
Module includes: that a rectangular projection coordinate value determines submodule, for determining that the digital picture senses according to the inclination information
The rectangular projection coordinate value of the relatively described reference direction of the coordinate of pixel unit in device；One second related information determines submodule,
For according at least to the rectangular projection coordinate value determine in the digital image sensor with the associated picture of respective pixel unit
Plain unit.
In conjunction with any Image Acquisition control device provided by the embodiments of the present application, optionally, the signal transfer control
Module includes: that a quadrature path information determines submodule, for according at least partly pixel unit and respective associated picture
Distribution of the plain unit in described image sensor is determined respectively for at least partly pixel unit to respective associated picture
The quadrature path information that the electric signal of plain unit is shifted by adjacent pixel unit；One signal shifts control submodule, is used for basis
The electric signal of the quadrature path information control respective pixel unit is transferred to the pixel unit of respective associated.
The third aspect, the embodiment of the present application also provides a kind of image capture devices, comprising:
One digital image sensor, a processor, a communication interface, a memory and a communication bus；The processing
Device, the communication interface, the memory and described image sensor complete mutual communication by the communication bus；
The memory is for storing at least one instruction；Described instruction makes the processor execute following operation:
Inclination information according at least to digital image sensor with respect to a reference direction, obtains the digital image sensor
In related information at least partly between pixel unit, the corresponding any pixel unit of second location information in the related information
Pixel unit corresponding with first location information is associated with, the first location information and the second location information respectively with it is described
The position that digital image sensor is in any pixel unit when non-tilt state and heeling condition is corresponding；
According at least to the related information, control in the digital image sensor that at least partly pixel unit will be adopted with it
Electric signal corresponding to the optical signal collected is transferred to respective associated pixel unit；
Electric signal after the completion of at least partly described associated pixel unit transfer of output.
Technical solution provided by the embodiments of the present application makes full use of in digital image sensor pixel unit can in numeric field
The characteristic for carrying out electric signal transfer, is corrected automatically in image acquisition process or at least partly to offset digital image sensor opposite
The inclination of reference direction, so that being that opposite reference direction does not tilt according to the image that the electric signal of image acquisition process output generates
Or the lesser image of inclined degree, be conducive to save Image Acquisition resource, improve the convenience used.
By the detailed description below in conjunction with attached drawing to the alternative embodiment of the application, the these and other of the application
Advantage will be apparent from.
Detailed description of the invention
The application can be by reference to being better understood, wherein in institute below in association with description given by attached drawing
Have and has used the same or similar appended drawing reference in attached drawing to indicate same or similar component.The attached drawing is together with following
It is described in detail together comprising in the present specification and forming a part of this specification, and is used to that this is further illustrated
The alternative embodiment of application and the principle and advantage for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of flow chart of Image Acquisition control method provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of optional pixel unit provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another optional pixel unit provided by the embodiments of the present application；
Fig. 4 is any pixel unit provided by the embodiments of the present application and pixel unit projection relation example associated with it；
Fig. 5 is the optional example of effective coverage provided by the embodiments of the present application；
Fig. 6 is the logic diagram of the first Image Acquisition control device provided by the embodiments of the present application；
Fig. 7 is the logic diagram of second of Image Acquisition control device provided by the embodiments of the present application；
Fig. 8 is the logic diagram of the third Image Acquisition control device provided by the embodiments of the present application；
Fig. 9 is the logic diagram of image capture device provided by the embodiments of the present application.
It will be appreciated by those skilled in the art that element in attached drawing is just for the sake of showing for the sake of simple and clear,
And be not necessarily drawn to scale.For example, the size of certain elements may be exaggerated relative to other elements in attached drawing, with
Just the understanding to the embodiment of the present application is helped to improve.
Specific embodiment
It is described in detail hereinafter in connection with exemplary embodiment of the attached drawing to the application.It rises for clarity and conciseness
See, does not describe all features of actual implementation mode in the description.It should be understood, however, that developing any this reality
Much decisions specific to embodiment must be made during embodiment, to realize the objectives of developer, example
Such as, meet restrictive condition those of related to system and business, and these restrictive conditions may be with embodiment not
It changes together.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from
For those skilled in the art of present disclosure, this development is only routine task.
Here, also it should be noted is that, in order to avoid having obscured the application because of unnecessary details, in attached drawing and
It is merely depicted in explanation with according to the closely related apparatus structure of the scheme of the application and/or processing step, and is omitted pair
With the application relationship is little, expression and description of component known to persons of ordinary skill in the art and processing.
(identical label indicates identical element in several attached drawings) and embodiment with reference to the accompanying drawing, to the tool of the application
Body embodiment is described in further detail.Following embodiment is not limited to scope of the present application for illustrating the application.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application be only used for distinguishing it is asynchronous
Suddenly, equipment or module etc., neither represent any particular technology meaning, also do not indicate the inevitable logical order between them.
Fig. 1 is a kind of flow chart of Image Acquisition control method provided by the embodiments of the present application.The embodiment of the present application provides
The executing subject of Image Acquisition control method can be a certain Image Acquisition control device, described image acquisition control device passes through
It executes described image collection control method and carries out Image Acquisition control.The equipment form of expression of described image acquisition control device is not
It is restricted.For example, described image acquisition control device can (the independent component can be but be not limited to for a certain independent component
One data processing (Data Handling) mould group or control circuit), which passes through the pixel in control digital image sensor
Unit carries out Image Acquisition.Alternatively, in another example, described image acquisition control device can be used as a certain mould group or control circuit is integrated
It is including a part of the image capture device of the digital image sensor, to realize the figure to the digital image sensor
As acquisition control, etc..Described image acquisition control device is right by exporting the modes such as control signal to digital image sensor
Digital image sensor carries out such as signal transfer, and/or signal output control.Specifically as shown in Figure 1, the embodiment of the present application mentions
The Image Acquisition control method of confession includes:
S101: the inclination information according at least to digital image sensor with respect to a reference direction obtains the digital picture
Related information in sensor at least partly between pixel unit, the corresponding any picture of second location information in the related information
Plain unit pixel unit corresponding with first location information is associated with, the first location information and second location information difference
The position of any pixel unit is corresponding when being in non-tilt state and heeling condition with the digital image sensor.
Digital image sensor includes multiple pixel units of array distribution.It is different from and realizes signal transmission in analog domain
Traditional imaging sensor, the multiplexing of photosignal is realized in numeric field in digital image sensor, is advantageously implemented letter
Number Lossless transport, channel isolation and anti-interference ability of digital image sensor etc. are improved, therefore, in recent years, to described
The research of digital image sensor and its application causes the extensive concern of insider.
Technical solution provided by the embodiments of the present application, can be according at least to digital image sensor inclining with respect to a reference direction
Oblique information, obtains in the digital image sensor related information between at least partly pixel unit, in the related information
The corresponding any pixel unit of second location information pixel unit corresponding with first location information is associated with, the first position letter
Breath is in any picture when state (i.e. the non-tilt state) of opposite reference direction non-inclined with the digital image sensor
Position of the plain unit in the digital image sensor is corresponding, at the second location information and the digital image sensor
It is described any when the relatively described inclined state of reference direction (i.e. heeling condition is state corresponding with the inclination information)
Position of the pixel unit in the digital image sensor is corresponding.The first location information and/or the second confidence
Breath can be indicated by coordinate value, alternatively, the serial number or call number by corresponding pixel unit indicate that the embodiment of the present application is to this
It is not intended to limit.For example, any pixel unit A is in heeling condition in digital image sensor in the digital image sensor
When position in the digital image sensor correspond to second location information W2 (such as the 2nd row the 1st column), and the pixel unit exists
Position when digital image sensor is in non-tilt state in the digital image sensor corresponds to first location information W1
(such as the 1st row the 2nd column), it is determined that when the digital image sensor is in heeling condition with first location information W1 (such as the 1st row
2nd column) corresponding pixel unit B is and the associated pixel unit of pixel unit A；In this way, can be according at least to the inclination information
Establish the related information between the digital image sensor at least partly pixel unit.
S102: according at least to the related information, controlling in the digital image sensor at least partly pixel unit will
Respective associated pixel unit is transferred to electric signal corresponding to its collected optical signal.
Simulation numeral (Analog to Digital, abbreviation AD) converter is the important composition portion of digital image sensor
Point, it is used to after the collected optical signal of pixel unit in digital image sensor is converted into electric signal transmit.One
The optional digital image sensor of kind is Pixel-level digital image sensor, i.e., converter is arranged in each pixel unit,
It is transmitted in this way, each collected signal of pixel unit can be realized in numeric field, for example, the alternative construction of each pixel unit
As shown in Figure 2, comprising: photodiode (Photo-Diode) 21, signal amplifier 22, capacitor 23, voltage comparator 24, AD
Collected optical signal is converted into electric signal (such as voltage) by event counter 25, photodiode, and the voltage after conversion is through believing
Number amplification and accumulation after with predeterminated voltage VrefIt is compared, if the voltage of accumulation is greater than predeterminated voltage Vref, then trigger AD and turn
Counter 25 is changed to execute such as 1 counting operation of plus/minus and reset capacitor to re-start voltage accumulation；Above-mentioned behaviour is executed repeatedly
Make, can transmit the collected optical signal converted electrical number of photodiode institute in the pixel unit and in numeric field.
Wherein, control signal can be exported by Image Acquisition control device, carry out signal resetting and/or output etc. to control the pixel unit
Operation.
Since be converted into after electric signal can be in numeric field reality for the collected optical signal of pixel unit in digital image sensor
It now transmits, this makes it possible that the electric signal between different pixels unit shifts.In a kind of optional digital image sensor,
It is equipped with access (optional example is as shown in Figure 3) between pixel unit, the line direction or column direction in pixel unit array are adjacent
Between pixel unit the number of adjacent pixel unit (pixel unit B) can be transferred in the transfer of numeric field realization electric signal
The electric signal in domain can be accumulated with electric signal corresponding to the collected optical signal of pixel unit B itself, may also differentiate between storage,
Etc..Wherein, control signal can be exported by Image Acquisition control device, carry out signal transfer, resetting to control the pixel unit
And/or the operation such as output.
Technical solution provided by the embodiments of the present application after the related information established in S101 between different pixels unit,
It can control in the digital image sensor at least partly pixel unit according at least to the related information and pass through numeric field channel
It is collected optical signal and is transferred to pixels associated unit, it such as will be right with second location information W2 (such as the 2nd row the 1st column)
The electric signal of the pixel unit A answered is transferred to pixel unit B corresponding with first location information W1 (such as the 1st row the 2nd column), etc.
Deng.
S103: the electric signal after the completion of at least partly described associated pixel unit transfer of output.
At least partly corresponding telecommunications of pixel unit is carried out according at least to the related information in the digital image sensor
Number transfer after, the electric signal after the completion of exportable transfer.Since the electric signal of output has carried out picture according to related information
Transfer between plain unit is equivalent to the behaviour for being corrected or at least partly being offset inclination information automatically before electric signal output
Make, therefore, the image that the electric signal based on output generates is that the relatively described reference direction does not tilt or at least offset part inclination
Image.
As it can be seen that technical solution provided by the embodiments of the present application, make full use of in digital image sensor pixel unit in number
Word domain can carry out the characteristic of electric signal transfer, correct or at least partly offset digital picture sensing automatically in image acquisition process
Device with respect to reference direction inclination so that being opposite reference direction according to the image that the electric signal of image acquisition process output generates
It does not tilt or the lesser image of inclined degree, is conducive to save Image Acquisition resource (such as computing resource), improves the side used
Just property.
In technical solution provided by the embodiments of the present application, the reference direction includes but is not limited to horizontal direction or vertical side
To.Horizontal direction or vertical direction are more universal as the photographed scene at edge, and human eye is to relatively horizontal orientation or vertical side
To inclination it is more sensitive, can be in image acquisition process, to digital picture using technical solution provided by the embodiments of the present application
The inclination of sensor relatively horizontal orientation or vertical direction is corrected automatically or is at least partly offset, according to the information of acquisition
Relatively horizontal orientation or vertical direction is directly generated not tilt or the lesser image of inclined degree.Certainly, the reference direction is also
This can be not intended to limit for characteristic directions, the embodiment of the present application such as the edges of target object of Image Acquisition.
Technical solution provided by the embodiments of the present application can be using the camera application scene with single picture, for example, user uses
Mobile phone shoots seascape, and for the horizontal edge relatively horizontal orientation of the digital image sensor of mobile phone at 5 degree of angles, mobile phone can be according at least to this
The inclination of digital image sensor relatively horizontal orientation is corrected automatically or at least partly offset to angle, so that according to Image Acquisition mistake
The image that the electric signal of journey output generates does not tilt for relatively horizontal orientation or the lesser image of inclined degree.
Technical solution provided by the embodiments of the present application is also applied to pan-shot or multiple continuous shootings synthesis (time-
Elapse is aligned on the time) scene in, for example, mobile phone shooting high dynamic range images (High-Dynamic Range, letter
Claim HDR) in application, user is usually because the inclination or movement of camera need to expose multiple differences before synthesizing final photo
The picture of light carries out a large amount of calculation processing with the corresponding relationship between pixel unit coordinate between the different photos of determination；And use this
The acquisition for applying for the technical solution progress plurality of pictures that embodiment provides, can judge camera shooting posture in acquisition each time
Difference reads (readout) after carrying out the correction of corresponding electric signal transfer (transfer) and generates the picture of non-inclined, therefore
Operand needed for plurality of pictures synthesis is handled is reduced, image processing speed is improved.
It should be noted that the exemplary only explanation of use above scene, should not be construed as proposing the embodiment of the present application
The limitation of the essence of the technical solution of confession.
It is optionally, described to obtain the number in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Before related information in imaging sensor at least partly between pixel unit, the method also includes: obtain the digitized map
As the inclination information of the relatively described reference direction of sensor.The inclination of the relatively described reference direction of the digital image sensor is believed
Breath, it may include but be not limited to the digital image sensor certain on one side (as parallel pixel row while or parallel pixel arrange
The tilt angle etc. of the relatively described reference direction on one side etc.).The acquisition modes of the inclination information are very flexible, such as set to outside
The tilt angle of standby certain the relatively described reference direction in one side for obtaining the digital image sensor, alternatively, practical survey can be passed through
Amount calculates the tilt angle, etc. for determining certain relatively described reference direction in one side of the digital image sensor.
Optionally, described before the inclination information for obtaining the relatively described reference direction of digital image sensor
Method further include: determined according at least to the signal of gravity sensor (Accelerometers) and/or gyroscope (Gyroscope)
The reference direction.Certain includes that the image capture device of digital image sensor is typically provided with gravity sensor and/or top
Spiral shell instrument can determine reference direction by the signal of gravity sensor and/or gyroscope.For example, gravity sensor or top can be passed through
The signal of spiral shell instrument determines reference direction, such as determines that gravity direction (i.e. vertical direction) is reference direction.In another example in combination with gravity
The signal of sensor and the signal of gyroscope determine reference direction jointly, such as by the signal of gyroscope to according to gravity sensor
Signal determined by direction carry out angle correction, thus more accurately carry out reference direction determination.Program reusable
Reference direction, the scheme as described in determining during gravity sensor and/or gyroscope being equipped in image capture device are simply easy
It realizes.The reference direction (such as vertical direction) is determined, then certain that can determine digital image sensor in turn is opposite on one side
The angle of the vertical direction or the direction vertical with the vertical direction (horizontal direction).
It is further alternative, it is described to obtain the reference direction according at least to gravity sensor and/or gyroscope, comprising:
Limb recognition is carried out to the digital image sensor acquired image；According to the gravity sensor and/or gyroscope
The limb recognition result of signal and described image determines the reference direction.For example, in the photographed scene of certain Image Acquisition
In the presence of the edge with more obvious characteristic, such as sea horizon, desktop, the building to tower, can be sensed by digital picture
Device acquires the preview image of photographed scene, limb recognition is carried out to preview image, in conjunction with gravity sensor and/or the letter of gyroscope
Number and image limb recognition as a result, determine the reference direction jointly, such as according to the gravity sensor and/or gyro
The horizontal direction that the signal of instrument determines is direction D1, and is gone to sea according to the identification of the limb recognition result of the preview image of target scene
The direction of plane is direction D2, can use the mean direction or weighted average direction of the two, as the ginseng for representing real standard direction
Examine direction.The reference direction is determined using the program, advantageously reduces the signal or integral of gravity sensor and/or gyroscope
The influence for calculating equal error improves the accuracy that the reference direction determines.
The implementation for obtaining the related information according at least to the inclination information is very flexible, the embodiment of the present application pair
This is not intended to limit.
It is described to obtain in the digital image sensor between at least partly pixel unit in a kind of optional implementation
Related information before, the method also includes: obtain the mapping relations between different inclination informations and different related information；Phase
It answers, obtains being associated between at least partly pixel unit and at least partly pixel unit in the first distribution in the second distribution
Information, comprising: determine the inclination information institute of the reference direction opposite with the digital image sensor in the mapping relations
Corresponding related information.In practical applications, it may be determined that the related information between the pixel unit of multiple groups different index serial number, often
One tilt angle of the corresponding opposite reference direction of group related information or a range of tilt angles of corresponding opposite reference direction, in this way
It is equivalent to establish the mapping relations between inclination information and related information, it is currently opposite according to the digital image sensor
The tilt angle of the reference direction, so that it may determine corresponding related information.It can simply and rapidly be determined using the program
The related information.
In another optional implementation, it is described obtain in the digital image sensor at least partly pixel unit it
Between related information, comprising: determine that the coordinate of pixel unit in the digital image sensor is opposite according to the inclination information
The rectangular projection coordinate value of the reference direction；The digital image sensor is determined according at least to the rectangular projection coordinate value
In with the associated pixel unit of respective pixel unit.Assuming that digital image sensor is in heeling condition, under the heeling condition
The horizontal edge edge of digital image sensor is clockwise α with the angle of horizontal direction, and the coordinate of a certain pixel unit is (x, y), is made
Coordinate for the pixel unit of rotary middle point is (x0,y0), as shown in figure 4, coordinate (x, y) relative level of the pixel unit
The rectangular projection coordinate value (x', y') in direction are as follows:
According at least to the calculated rectangular projection coordinate of formula (1) can determine in the digital image sensor with pixel
The associated pixel unit of unit (x, y).Such as: if calculated rectangular projection coordinate (x', y') corresponds to digital picture just
The position of some pixel unit in sensor then can determine that pixel unit corresponding with the rectangular projection coordinate is associated picture
Plain unit；If calculated rectangular projection coordinate (x', y') is not some pixel just corresponded in digital image sensor
The position of unit then can be used approximate Selection Strategy and determine associated pixel unit, and the approximation Selection Strategy may include but not
It is limited to apart from the smallest pixel unit etc..The program can determine in real time the association according to the inclination information of digital image sensor
Information is conducive to the accuracy for improving related information.
In an optional scene for carrying out Image Acquisition based on digital image sensor, it is practical when carrying out Image Acquisition described in
Digital image sensor state in which, the relatively described reference direction there are certain tilt angle, digital image sensor
For optional state example as shown in figure 5, might as well choose horizontal direction is reference direction, the digital image sensor is in its horizontal edge
The state in parallel, horizontal direction is non-tilt state, and the digital image sensor is in its horizontal edge relatively horizontal orientation inclination one
The state for determining angle is heeling condition, Fig. 5 by digital picture be respectively at the imaging region of non-tilt state and heeling condition into
Row center alignment, in order to intuitively show.If each pixel unit collects when digital image sensor is in heeling condition
Photosignal directly exported in numeric field, then generate or show picture material in the relatively actual water of horizontal direction
Square to being tilted a certain angle, the content in image seems that relatively horizontal orientation tilts.In order to avoid or at least partly support
Disappear this inclination sense, and technical solution provided by the embodiments of the present application establishes at least partly pixel unit in digital image sensor
Between association, and according to related information by pixel unit actual acquisition to photosignal be transferred to and be associated in numeric field
Pixel unit in, this be equivalent to each pixel unit actual acquisition of digital image sensor to signal at least partly supported
Disappear the permutatation of Tilt factor, so that the image that the signal of each associated pixel unit after signal shifts is generated or shown
Content non-inclined or inclined degree it is smaller.
Optionally, the related information obtained in the digital image sensor between at least partly pixel unit it
Before, the method also includes: according to distribution of each associated pixel unit in the digital image sensor, determine institute
The regional area for stating digital image sensor is effective imaging area；Correspondingly, at least partly described associated pixel of output
Electric signal after the completion of unit transfer, comprising: each associated pixel unit transfer is completed in output effective imaging area
Electric signal afterwards.By Fig. 5 as it can be seen that imaging region when digital image sensor is respectively at non-tilt state and heeling condition
Only part overlapping for opposite central point, the associated pixel unit distribution probability fallen into the part overlapping region is larger, can
Determine at least partially effective coverage of the part overlapping region.For example, digital image sensor signal can be read by control
Circuit carries out the modes such as line by line or by column and is exported, in order to make each row read as far as possible or respectively the pixel unit that arranges is deposited
Electric signal after effective transfer, it may be determined that the related pixel unit distribution of each index position in the part overlapping region
Regional area be effective coverage, the minimum row (or column) of the effective coverage is several and maximum row (or column) number is that reading circuit is final
The start-stop range of reading.
It is optionally, described according at least to described in conjunction with any Image Acquisition control method provided by the embodiments of the present application
Related information, control in the digital image sensor at least partly pixel unit by with corresponding to its collected optical signal
Electric signal is transferred to respective associated pixel unit, comprising: according at least partly pixel unit and respective associated pixel
Distribution of the unit in described image sensor is determined respectively for at least partly pixel unit to respective associated pixel
The quadrature path information that the electric signal of unit is shifted by adjacent pixel unit；Respective pixel is controlled according to the quadrature path information
The electric signal of unit is transferred to the pixel unit of respective associated.Aisled digital picture is set between adjacent pixel unit to pass
In sensor, optional example is as shown in figure 3, the AD conversion counter output of any pixel unit connects a multiple selector
(MUX) electric signal of input terminal, the numeric field of input terminal input is believed according to the control of the control terminal of the multiple selector
Number, select the adjacent pixel unit of a certain output end to the left, to the right, upward or downward along pixel unit row or pixel unit column
Transfer；The electric signal for being transferred to the numeric field of adjacent pixel unit can be adjacent with this pixel unit itself collected light letter
Electric signal corresponding to number can distinguish storage.The program is according at least partly pixel unit and respective associated pixel
Distribution of the unit in described image sensor determines quadrature path information respectively, and the quadrature path information is for controlling institute
The electric signal for stating at least partly pixel unit to respective associated pixel unit is shifted along row or column by adjacent pixel unit.Example
Such as, such as the electric signal for the pixel unit A that the 2nd row the 1st arranges to be transferred to the picture that the 1st row the 2nd being associated arranges in numeric field
Digitized electric signal is transferred to the pixel of the 2nd row the 1st column by plain unit B, then the pixel unit A that can first control the 2nd row the 1st column
Unit C, then control and be transferred to the corresponding electric signal of the pixel unit C of the 2nd row the 1st column and continue to be transferred to the pixels of the 1st row the 2nd column
Unit B is achieved in the orthogonal transfer by adjacent pixel unit of digital signal.The picture being associated using the program
Digital signal transfer between plain unit, the circuit of the pixel unit array of the existing digitized image sensor of reusable
Structure, control logic are simple.Certainly, the access between non-adjacent pixel unit can also be established, and number is realized based on the access
The transfer of word electric signal, the embodiment of the present application are not intended to limit this.
It will be understood by those skilled in the art that in any of the above-described method of the application specific embodiment, each step
Serial number size is not meant that the order of the execution order, and the execution sequence of each step should be determined by its function and internal logic, and
Any restriction should not be constituted to the implementation process of the application specific embodiment.
Fig. 6 is a kind of logic diagram of Image Acquisition control device provided by the embodiments of the present application.As shown in fig. 6, this Shen
Please embodiment provide Image Acquisition control device include: a related information obtain module 61, a signal transfer control module 62
With a signal output control module 63.
Related information acquisition module 61 is used for the inclination information according at least to digital image sensor with respect to a reference direction,
Obtain in the digital image sensor related information between at least partly pixel unit, the second position in the related information
The corresponding any pixel unit of information pixel unit corresponding with first location information is associated with, the first location information and described
Second location information is in any pixel list when non-tilt state and heeling condition with the digital image sensor respectively
The position of member is corresponding.
Signal shifts control module 62 and is used to control in the digital image sensor extremely according at least to the related information
Small part pixel unit will be transferred to respective associated pixel unit with electric signal corresponding to its collected optical signal.
Signal output control module 63 is used to export the telecommunications after the completion of at least partly described associated pixel unit transfer
Number.
The equipment form of expression of described image acquisition control device is unrestricted.For example, described image acquisition control device
It can be a certain independent component (the independent component can be but be not limited to a data processing mould group or control circuit), the component
Image Acquisition is carried out by the pixel unit in control digital image sensor.Alternatively, in another example, described image acquisition control dress
It sets and can be used as a certain mould group or control circuit is integrated in a part of the image capture device including the digital image sensor,
To realize the Image Acquisition control, etc. to the digital image sensor.
Technical solution provided by the embodiments of the present application makes full use of in digital image sensor pixel unit can in numeric field
The characteristic for carrying out electric signal transfer, is corrected automatically in image acquisition process or at least partly to offset digital image sensor opposite
The inclination of reference direction, so that being that opposite reference direction does not tilt according to the image that the electric signal of image acquisition process output generates
Or the lesser image of inclined degree, be conducive to save Image Acquisition resource, improve the convenience used.
Optionally, the reference direction includes: horizontal direction or vertical direction.Using technology provided by the embodiments of the present application
Scheme can entangle automatically the inclination of digital image sensor relatively horizontal orientation or vertical direction in image acquisition process
It just or at least partly offsets, relatively horizontal orientation or vertical direction is directly generated with the information according to acquisition and do not tilt or tilt journey
Spend lesser image.Certainly, the reference direction can be also the characteristic directions such as the edge of target object of Image Acquisition, the application
Embodiment is not intended to limit this.
Optionally, as shown in fig. 7, described device further include: an inclination information obtains module 64.Inclination information obtains module
64 for obtaining the inclination information of the relatively described reference direction of the digital image sensor.The acquisition modes of the inclination information
Very flexibly, as to external equipment obtain as described in digital image sensor certain one side relatively as described in reference direction inclination angle
Degree, alternatively, certain relatively described reference direction in one side of the digital image sensor can be determined by actual measurement or reckoning
Tilt angle, etc..
Optionally, described device further include: a reference direction determining module 65.Reference direction determining module 65 is at least
The reference direction is determined according to the signal of gravity sensor and/or gyroscope.It is set in program reusable image capture device
The devices such as some gravity sensors and/or gyroscope determine that the reference direction, scheme are simply easily realized.
Optionally, the reference direction determining module 65 includes: image border identification submodule 651 and a reference direction
Determine submodule 652.Image border identifies that submodule 651 is used to carry out side to the digital image sensor acquired image
Edge identification；Reference direction determines submodule 652 for according to the signal of the gravity sensor and/or gyroscope and described
The limb recognition result of image determines the reference direction.The reference direction is determined using the program, advantageously reduces gravity
The influence of the error of the signal of sensor improves the accuracy that the reference direction determines.
Optionally, described device further includes an effective imaging area determining module 66, correspondingly, signal output control mould
Block 63 includes that a signal exports control submodule 631.Effective imaging area determining module 66 is for according to each associated pixel
Distribution of the unit in the digital image sensor determines that the regional area of the digital image sensor is effectively imaging
Area；Signal output control submodule 631 is completed for exporting each associated pixel unit transfer in effective imaging area
Electric signal afterwards.Existed using the pixel unit that the program determines that the effective coverage is conducive to make each row read or respectively arrange
Electric signal after effective transfer.
Optionally, as shown in figure 8, described device further includes that a mapping relations obtain module 67, correspondingly, the association is believed
It includes the 61 one the first related information acquisition submodules 611 that breath, which obtains module,.Mapping relations obtain module 67 and incline for obtaining difference
Mapping relations between oblique information and different related informations；First related information acquisition submodule 611 is for determining the mapping
Related information corresponding to the inclination information of the reference direction opposite with the digital image sensor in relationship.Using the party
Case can simply and rapidly determine the related information.
Optionally, it includes: that a rectangular projection coordinate value determines submodule 612 and one that the related information, which obtains module 61,
Two related informations determine submodule 613.Rectangular projection coordinate value determines submodule 612 for determining institute according to the inclination information
State the rectangular projection coordinate value of the relatively described reference direction of coordinate of pixel unit in digital image sensor；Second related information
Determine that submodule 613 is used to determine according at least to the rectangular projection coordinate value in the digital image sensor and respective pixel
The associated pixel unit of unit.The program can determine in real time the related information according to the inclination information of digital image sensor,
Be conducive to improve the accuracy of related information.
Optionally, the signal transfer control module 62 includes: that a quadrature path information determines submodule 621 and a signal
Shift control submodule 622.Quadrature path information determines submodule 621 for according at least partly pixel unit and respective
Distribution of the associated pixel unit in described image sensor is determined respectively for at least partly pixel unit to respectively
The quadrature path information that the electric signal of associated pixel unit is shifted by adjacent pixel unit；Signal shifts control submodule 622
Electric signal for controlling respective pixel unit according to the quadrature path information is transferred to the pixel unit of respective associated.Using
Digital signal transfer between the pixel unit that the program is associated, the existing digitized image sensor of reusable
The circuit structure of pixel unit array, control logic are simple.
Fig. 9 is the structural schematic diagram of image capture device provided by the embodiments of the present application, and the application specific embodiment is not
The specific implementation of image capture device 900 is limited.As shown in figure 9, image capture device 900 may include:
Processor (Processor) 910,920, memory communication interface (Communications Interface)
(Memory) 930, communication bus 940 and digital image sensor 950.Wherein:
Processor 910, communication interface 920 and memory 930 complete mutual communication by communication bus 940.
Communication interface 920, for being communicated with digital image sensor 950 Deng.
Processor 910 can specifically execute the correlation step in any of the above-described embodiment of the method for executing program 932；
Digital image sensor 950 includes pixel unit array, and at least partly unit is equipped in the pixel unit array
Or it is connected with analog-digital converter, for being passed after the collected optical signal of this pixel unit institute is converted into electric signal
It is defeated, and/or, it is communicated in numeric field with other pixel units, for example, carrying out signal biography in numeric field with other pixel units
It is defeated, etc..
For example, program 932 may include program code, said program code includes computer operation instruction.
Processor 910 may be a central processing unit (Central Processing Unit, abbreviation CPU), either
Specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or be arranged to
Implement one or more integrated circuits of the embodiment of the present application.
Memory 930, for storing program 932.Memory 930 may include random access memory (Random
Access Memory, abbreviation RAM), it is also possible to it further include nonvolatile memory (Non-volatile memory), such as extremely
A few magnetic disk storage.
For example, in an optional implementation manner, following steps can be performed by executing program 932 in processor 910: extremely
Few inclination information according to digital image sensor with respect to a reference direction, obtains in the digital image sensor at least partly
Related information (the corresponding any pixel unit of second location information and first position in the related information between pixel unit
The corresponding pixel unit association of information, the first location information and the second location information are passed with the digital picture respectively
The position that sensor is in any pixel unit when non-tilt state and heeling condition is corresponding)；Believe according at least to the association
Breath, control in the digital image sensor at least partly pixel unit by with electric signal corresponding to its collected optical signal
It is transferred to respective associated pixel unit；Electric signal after the completion of at least partly described associated pixel unit transfer of output.
In other optional implementations, processor 910 can also carry out other above-mentioned any realities by executing program 932
The step of example refers to is applied, details are not described herein.
In program 932 specific implementation of each step may refer to corresponding steps in above-described embodiment, module, submodule,
Corresponding description in unit, details are not described herein.It is apparent to those skilled in the art that for the convenience of description
With it is succinct, the equipment of foregoing description and the specific work process of module can refer to corresponding processes in the foregoing method embodiment
Description, details are not described herein.
In the application the various embodiments described above, the serial number and/or sequencing of embodiment are merely convenient of description, do not represent reality
Apply the superiority and inferiority of example.It all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to it
The associated description of his embodiment.The associated description of implementation principle or process in relation to device, equipment or system embodiment, reference can be made to
The record of correlation method embodiment, details are not described herein.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation ROM), deposits at random
Various Jie that can store program code such as access to memory (Random Access Memory, abbreviation RAM), magnetic or disk
Matter.
In the embodiments such as the device of the application, method, system, it is clear that each component (system, subsystem, module, submodule
Block, unit, subelement etc.) or each step can decompose, combine and/or decompose after reconfigure.These decompose and/or again
Combination nova should be regarded as the equivalent scheme of the application.Meanwhile in the description above to the application specific embodiment, for a kind of reality
The feature that the mode of applying is described and/or shown can be made in one or more other embodiments in a manner of same or similar
With, be combined with the feature in other embodiment, or substitution other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, element, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, element, step or component.
Finally, it should be noted that embodiment of above is merely to illustrate the application, and it is not the limitation to the application, it is related
The those of ordinary skill of technical field can also make a variety of changes in the case where not departing from spirit and scope
And modification, therefore all equivalent technical solutions also belong to the scope of the application, the scope of patent protection of the application should be by right
It is required that limiting.
Claims (10)
1. a kind of Image Acquisition control method characterized by comprising
Inclination information according at least to digital image sensor with respect to a reference direction, obtains in the digital image sensor extremely
Related information between small part pixel unit, the corresponding any pixel unit of second location information and in the related information
The corresponding pixel unit association of one location information, the first location information and the second location information respectively with the number
The position that imaging sensor is in any pixel unit when non-tilt state and heeling condition is corresponding；
According at least to the related information, control in the digital image sensor that at least partly pixel unit will be collected with it
Optical signal corresponding to electric signal be transferred to respective associated pixel unit；
Electric signal after the completion of at least partly described associated pixel unit transfer of output.
2. the method according to claim 1, wherein the reference direction includes: horizontal direction or vertical direction.
3. method according to claim 1 or 2, which is characterized in that described to obtain in the digital image sensor at least
Before related information between partial pixel unit, the method also includes:
Obtain the inclination information of the relatively described reference direction of the digital image sensor.
4. according to the method described in claim 3, it is characterized in that, described obtain the relatively described ginseng of digital image sensor
Before the inclination information for examining direction, the method also includes: institute is determined according at least to the signal of gravity sensor and/or gyroscope
State reference direction.
5. according to the method described in claim 4, it is characterized in that, described obtain according at least to gravity sensor and/or gyroscope
Take the reference direction, comprising:
Limb recognition is carried out to the digital image sensor acquired image；
The reference is determined according to the limb recognition result of the signal and described image of the gravity sensor and/or gyroscope
Direction.
6. a kind of Image Acquisition control device characterized by comprising
One related information obtains module, for the inclination information according at least to digital image sensor with respect to a reference direction, obtains
Take in the digital image sensor related information between at least partly pixel unit, second confidence in the related information
It ceases corresponding any pixel unit pixel unit corresponding with first location information to be associated with, the first location information and described
Two location informations are in any pixel unit when non-tilt state and heeling condition with the digital image sensor respectively
Position it is corresponding；
One signal shifts control module, for controlling in the digital image sensor at least according at least to the related information
Partial pixel unit will be transferred to respective associated pixel unit with electric signal corresponding to its collected optical signal；
One signal output control module, for exporting the electric signal after the completion of at least partly described associated pixel unit shifts.
7. device according to claim 6, which is characterized in that the reference direction includes: horizontal direction or vertical direction.
8. device according to claim 6 or 7, which is characterized in that described device further include:
One inclination information obtains module, for obtaining the inclination information of the relatively described reference direction of the digital image sensor.
9. device according to claim 8, which is characterized in that described device further include:
One reference direction determining module, for determining the reference side according at least to the signal of gravity sensor and/or gyroscope
To.
10. a kind of image capture device characterized by comprising
One digital image sensor, a processor, a communication interface, a memory and a communication bus；The processor, institute
It states communication interface, the memory and described image sensor and completes mutual communication by the communication bus；
The memory is for storing at least one instruction；Described instruction makes the processor execute following operation:
Inclination information according at least to digital image sensor with respect to a reference direction, obtains in the digital image sensor extremely
Related information between small part pixel unit, the corresponding any pixel unit of second location information and in the related information
The corresponding pixel unit association of one location information, the first location information and the second location information respectively with the number
The position that imaging sensor is in any pixel unit when non-tilt state and heeling condition is corresponding；
According at least to the related information, control in the digital image sensor that at least partly pixel unit will be collected with it
Optical signal corresponding to electric signal be transferred to respective associated pixel unit；
Electric signal after the completion of at least partly described associated pixel unit transfer of output.
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| CN103491287A (en) * | 2012-06-11 | 2014-01-01 | 佳能株式会社 | Image capture apparatus |
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| CN104221364A (en) * | 2012-04-20 | 2014-12-17 | 株式会社理光 | Imaging device and image processing method |
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| CN103875237A (en) * | 2011-10-20 | 2014-06-18 | 索尼公司 | Image pickup device and camera system |
| CN103365030A (en) * | 2012-03-29 | 2013-10-23 | 安讯士有限公司 | A method for calibrating a camera |
| CN104221364A (en) * | 2012-04-20 | 2014-12-17 | 株式会社理光 | Imaging device and image processing method |
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