CN105468545B - A kind of image processing method and electronic equipment - Google Patents
A kind of image processing method and electronic equipment Download PDFInfo
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- CN105468545B CN105468545B CN201410453756.1A CN201410453756A CN105468545B CN 105468545 B CN105468545 B CN 105468545B CN 201410453756 A CN201410453756 A CN 201410453756A CN 105468545 B CN105468545 B CN 105468545B
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Abstract
The present invention discloses a kind of image processing method and electronic equipment.The method is applied to the electronic equipment with image processing unit and central processing unit, comprising: obtains image data to be processed；Based on the processing strategie to described image data, determine to described image data in the process of processing used by described image data the first pixel characteristic value；Wherein, a described image data have multiple pixel characteristic values；The first pixel characteristic value in the multiple pixel characteristic value is transmitted in the memory of the electronic equipment, is handled so that the central processing unit is based on the first pixel characteristic value.Using method or electronic equipment of the invention, it is possible to reduce image data is transmitted to the time that the process in memory consumes from video memory, improves central processing for the treatment effeciency of image data.
Description
Technical field
The present invention relates to screen manufacturing fields, more particularly to a kind of image processing method and electronic equipment.
Background technique
At present electronic equipment all has graphics processor (Graphic Processing Unit, GPU) mostly.Example
Such as, the equipment such as mobile phone, tablet computer, laptop all have corresponding GPU.
In the prior art, it for the analysis of image data or identification process, is realized mainly or by CPU.In CPU to figure
Before being handled as data, need for image data to be transmitted to the memory of electronic equipment by the video memory of GPU, it then just can be by
CPU such as is analyzed image data or is identified at the processing.
But the data volume of image data is often larger, and image data is transmitted to the consumption of the process in memory from video memory
Time it is longer, sometimes even can become reduce image data processing the time bottleneck.
Summary of the invention
The object of the present invention is to provide a kind of image processing method and electronic equipment, image data can be reduced from aobvious
The time for depositing the process consumption being transmitted in memory, improve the treatment effeciency of image data.
To achieve the above object, the present invention provides following schemes:
A kind of image processing method, the method are applied to the electronics with image processing unit and central processing unit
Equipment, which comprises
Obtain image data to be processed；
Based on the processing strategie to described image data, determination is adopted in the process of processing to described image data
First pixel characteristic value of described image data；Wherein, a described image data have multiple pixel characteristic values；
The first pixel characteristic value in the multiple pixel characteristic value is transmitted in the memory of the electronic equipment, so as to
The central processing unit is based on the first pixel characteristic value and is handled.
Optionally, the determination to described image data in the process of processing used by described image data
First pixel characteristic value, specifically includes:
From four pixel characteristic values of described image data, determine to described image data in the process of processing
First pixel characteristic value of used described image data.
Optionally, the first pixel characteristic value by the multiple pixel characteristic value is transmitted to the electronic equipment
In memory, specifically include:
By the first passage in the channel RGBA, the first pixel characteristic value in the multiple pixel characteristic value is transmitted to
In the memory of the electronic equipment.
Optionally, the first pixel characteristic value by the multiple pixel characteristic value is transmitted to the electronic equipment
In memory, specifically include:
By four channels in the channel RGBA, by corresponding totally four the first pixel characteristic values of four image datas
It is transmitted in the memory of the electronic equipment with a data transmission procedure.
Optionally, the central processing unit is handled based on the first pixel characteristic value, is specifically included:
Count the number that the first pixel characteristic value meets the image data of the first preset condition；
Judge whether the number is greater than the first preset threshold, obtains the first judging result；
When first judging result indicates that the number is greater than the first preset threshold, using default processing strategie to institute
Image data is stated to be handled.
A kind of electronic equipment, the electronic equipment have image processing unit and central processing unit, the electronic equipment packet
It includes:
Image data acquisition unit, for obtaining image data to be processed；
First pixel characteristic value determination unit, for determining to described based on the processing strategie to described image data
Image data in the process of processing used by described image data the first pixel characteristic value；Wherein, a figure
As data have multiple pixel characteristic values；
Transmission unit, for the first pixel characteristic value in the multiple pixel characteristic value to be transmitted to the electronic equipment
Memory in, so as to the central processing unit be based on the first pixel characteristic value handled.
Optionally, the first pixel characteristic value determination unit, specifically includes:
First pixel characteristic value determines subelement, for determining from four pixel characteristic values of described image data
To described image data in the process of processing used by described image data the first pixel characteristic value.
Optionally, the transmission unit, specifically includes:
First transmission subelement will be in the multiple pixel characteristic value for passing through the first passage in the channel RGBA
First pixel characteristic value is transmitted in the memory of the electronic equipment.
Optionally, the transmission unit, specifically includes:
Second transmission subelement, it is for passing through four channels in the channel RGBA, four image datas are corresponding
Totally four the first pixel characteristic values are transmitted in the memory of the electronic equipment with a data transmission procedure.
Optionally, the central processing unit, specifically includes:
Statistic unit, the number for meeting the image data of the first preset condition for counting the first pixel characteristic value；
Judging unit obtains the first judging result for judging whether the number is greater than the first preset threshold；
Processing unit is used for when first judging result indicates that the number is greater than the first preset threshold, using pre-
If processing strategie handles described image data.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
Image processing method and electronic equipment of the invention, by based on the processing strategie to described image data,
Determine to described image data in the process of processing used by described image data the first pixel characteristic value, by institute
The the first pixel characteristic value stated in multiple pixel characteristic values is transmitted in the memory of the electronic equipment, can reduce image data
It is transmitted to the time that the process in memory consumes from video memory, also, since the data being transmitted in memory are and the processing
Policy-related (noun) data, not no data unrelated with the processing strategie, therefore, central processing unit may be omitted with from a variety of pictures
The step of the first pixel characteristic value relevant to the processing strategie is identified in plain characteristic value, so as to improve central processing pair
In the treatment effeciency of image data.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow chart of image processing method embodiment 1 of the invention；
Fig. 2 is the flow chart of image processing method embodiment 2 of the invention；
Fig. 3 is the flow chart of image processing method embodiment 3 of the invention；
Fig. 4 is the structure chart of electronic equipment embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Image processing method of the invention can be applied to the electronics with image processing unit and central processing unit
Equipment.The electronic equipment can be the equipment such as mobile phone, tablet computer, laptop, desktop computer.Described image processing
Unit can be the chip with image processing function of the electronic equipment internal, and English name can be GPU (Graphic
Processing Unit).The central processing unit, English name can be CPU (Central Processing Unit).
Fig. 1 is the flow chart of image processing method embodiment 1 of the invention.As shown in Figure 1, this method can wrap
It includes:
Step 101: obtaining image data to be processed；
The image data to be processed, can be various types of image datas.For example, described image data can be
When electronic equipment shoots photo or video, image acquisition units acquired image data；It is also possible to electronic equipment browsing
When video file or picture, the image data that gets.
Step 102: based on the processing strategie to described image data, determining in the mistake handled described image data
First pixel characteristic value of described image data employed in journey；Wherein, a described image data have multiple pixels special
Value indicative；
The processing strategie can be used strategy when handling described image data.For example, the processing
Strategy may is that in described image data, when brightness is greater than preset quantity lower than the number of the image data of preset value, be turned up
The display brightness of the display unit of the electronic equipment.In another example the processing strategie may is that in described image data,
When red chromatic value is greater than preset quantity lower than the number of the image data of preset value, red color component is turned up and is showing
Shared ratio in picture.Specifically, the processing strategie can be set according to actual needs, no longer arrange one by one herein
It lifts.
In general, described image data can have a variety of pixel characteristic values.For example, an image data is come according to color
It says, can have tetra- pixel characteristic values of RGBA；For coordinate, it can have tetra- pixel characteristic values of XYZW.Wherein,
This four parameters of RGBA respectively represent Red (red) Green (green) Blue (blue) and the channel Alpha.The channel Alpha can be with
Indicate transparency parameter.This four parameters of XYZW are to describe the parameter of apex coordinate value.(Vertex) is in graphics on vertex
Most basic element, in three dimensions, each vertex are owned by the parameters such as oneself coordinate and color value.
The processing strategie in the embodiment of the present invention, only with one of whole pixel characteristic values of image data or several
Kind is related, rather than all related to whole pixel characteristic values of image data.Therefore, it in the embodiment of the present invention, determines to institute
First pixel characteristic value of described image data used by stating image data in the process of processing, can only to it is described
The relevant pixel characteristic value of processing strategie is transmitted, and is reduced or avoided to the pixel characteristic unrelated with the processing strategie
Value is transmitted.
Step 103: the first pixel characteristic value in the multiple pixel characteristic value is transmitted in the electronic equipment
In depositing, handled so that the central processing unit is based on the first pixel characteristic value.
For an image data, which can have a plurality of types of pixel characteristic values, and originally
In embodiment, the first pixel characteristic value in the multiple pixel characteristic value is only transmitted to the memory of the electronic equipment
In, rather than a plurality of types of pixel characteristic values that the image data is had all are transmitted to the memory of the electronic equipment
In, it is thus possible to improve efficiency of transmission.
In conclusion in the present embodiment, by determining to described image based on the processing strategie to described image data
Data in the process of processing used by described image data the first pixel characteristic value, by the multiple pixel characteristic value
In the first pixel characteristic value be transmitted in the memory of the electronic equipment, image data can be reduced from video memory and be transmitted to memory
In time of process consumption do not have also, since the data being transmitted in memory are data relevant to the processing strategie
Have the data unrelated with the processing strategie, therefore, central processing unit may be omitted with from a variety of pixel characteristic values identification with
The step of processing strategie relevant first pixel characteristic value, so as to improve processing of the central processing for image data
Efficiency.
Fig. 2 is the flow chart of image processing method embodiment 2 of the invention.As shown in Fig. 2, this method can wrap
It includes:
Step 201: obtaining image data to be processed；
Step 202: based on the processing strategie to described image data, from four pixel characteristic values of described image data
In, determine to described image data in the process of processing used by described image data the first pixel characteristic value；
Wherein, a described image data have multiple pixel characteristic values；
In general, there are four the pixel characteristic value of a described image data can be.For example, an image data is according to face
For color, it can have tetra- pixel characteristic values of RGBA；For coordinate, it can have tetra- pixel characteristic values of XYZW.
In addition, brightness value can also be calculated according to tetra- pixel characteristic values of RGBA.In the application, brightness can be with
It is indicated with parameter U, brightness value U can be calculated according to formula U=R*0.299+G*0.587+B*0.114.
Step 203: by the first passage in the channel RGBA, by the first pixel characteristic in the multiple pixel characteristic value
Value is transmitted in the memory of the electronic equipment.
Existing image processing unit when transmitting data in the memory to electronic equipment, is carried out using the channel RGBA
Transmission.The parameter value of tetra- parameters of RGBA can be transmitted in one transmission in the memory of the electronic equipment.
In embodiments of the present invention, in order to further increase efficiency of transmission, can by four channels in the channel RGBA,
The first pixel characteristic value that an image data is indicated using each channel, then by four the first pixels in four channels
Characteristic value is transmitted in the memory of the electronic equipment with a data transmission procedure.Wherein, four first pixel characteristics
Value respectively corresponds four image datas, the corresponding image data of each first pixel characteristic value.
Assuming that the first pixel characteristic value of image data A is X1, the first pixel characteristic value of image data B is X2, image
The first pixel characteristic value of data C is X3, and the first pixel characteristic value of image data D is X4；It then can will be in the channel RGBA
Four parameters are respectively set to (X1, X2, X3, X4), are then transmitted to the electronic equipment using a data transmission procedure
In memory.
In this way, the transmission of the pixel characteristic value of four image datas can be completed once, compared to the prior art in it is primary
Transmission process can be only done the transmission of the pixel characteristic value an of image data, and it is special that aforesaid way can significantly improve transmission pixel
The efficiency of value indicative.
Fig. 3 is the flow chart of image processing method embodiment 3 of the invention.As shown in figure 3, this method can wrap
It includes:
Step 301: obtaining image data to be processed；
Step 302: based on the processing strategie to described image data, determining in the mistake handled described image data
First pixel characteristic value of described image data employed in journey；Wherein, a described image data have multiple pixels special
Value indicative；
Step 303: the first pixel characteristic value in the multiple pixel characteristic value is transmitted in the electronic equipment
In depositing；
Step 304: the first pixel characteristic value of the central processing unit statistics meets the image data of the first preset condition
Number；
The central processing unit can be read out and analyze to the data in memory.
Step 305: judging whether the number is greater than the first preset threshold, obtain the first judging result；
Step 306: when first judging result indicates that the number is greater than the first preset threshold, using default processing
Strategy handles described image data.
In the present embodiment, the first pixel characteristic value can be the value of certain feature of description described image data.Example
Such as, the first pixel characteristic value can be brightness value, alternatively, the first pixel characteristic value is also possible to chromatic value.With institute
For stating the first pixel characteristic value and being brightness value, first preset condition can be brightness value less than 100.Assuming that piece image
In co-exist in 60000 pixels (i.e. image data), first preset threshold can be 30000.At this point, if the first judgement
It as a result is yes, then it represents that in 60000 image datas, have the brightness of the image data of more than half less than 100, it is believed that figure
Image brightness is lower, and the display brightness of the display unit of the electronic equipment can be turned up.In this example, the electronics is turned up and sets
The display brightness of standby display unit is exactly a specific example of default processing strategie.
It should be noted that those skilled in the art can according to actual needs, using other pixel characteristic values as institute
The first pixel characteristic value is stated, other first preset conditions, the first preset threshold and default processing strategie can be used accordingly,
To realize other processing modes for image data.The application will not enumerate herein.
In conclusion in the present embodiment, by the way that the first pixel characteristic value in the multiple pixel characteristic value is transmitted to
In the memory of the electronic equipment, the time that the process that image data is transmitted in memory from video memory consumes can be reduced, also,
Since the data being transmitted in memory are data relevant to the processing strategie, the not no number unrelated with the processing strategie
According to therefore, central processing unit may be omitted with identifying the first picture relevant to the processing strategie from a variety of pixel characteristic values
The step of plain characteristic value, so as to improve central processing for the treatment effeciency of image data.
The invention also discloses a kind of electronic equipment.The electronic equipment has image processing unit and central processing unit.
The electronic equipment can be the equipment such as mobile phone, tablet computer, laptop, desktop computer.Described image processing unit
It can be the chip with image processing function of the electronic equipment internal, English name can be GPU (Graphic
Processing Unit).The central processing unit, English name can be CPU (Central Processing Unit).
Fig. 4 is the structure chart of electronic equipment embodiment of the invention.As shown in figure 4, the electronic equipment may include:
Image data acquisition unit 401, for obtaining image data to be processed；
The image data to be processed, can be various types of image datas.For example, described image data can be
When electronic equipment shoots photo or video, image acquisition units acquired image data；It is also possible to electronic equipment browsing
When video file or picture, the image data that gets.
First pixel characteristic value determination unit 402, for determining to institute based on the processing strategie to described image data
First pixel characteristic value of described image data used by stating image data in the process of processing；Wherein, described in one
Image data has multiple pixel characteristic values；
Transmission unit 403, for the first pixel characteristic value in the multiple pixel characteristic value to be transmitted to the electronics
In the memory of equipment, handled so that the central processing unit is based on the first pixel characteristic value.
The processing strategie can be used strategy when handling described image data.For example, the processing
Strategy may is that in described image data, when brightness is greater than preset quantity lower than the number of the image data of preset value, be turned up
The display brightness of the display unit of the electronic equipment.In another example the processing strategie may is that in described image data,
When red chromatic value is greater than preset quantity lower than the number of the image data of preset value, red color component is turned up and is showing
Shared ratio in picture.Specifically, the processing strategie can be set according to actual needs, no longer arrange one by one herein
It lifts.
In general, described image data can have a variety of pixel characteristic values.For example, an image data is come according to color
It says, can have tetra- pixel characteristic values of RGBA；For coordinate, it can have tetra- pixel characteristic values of XYZW.Wherein,
This four parameters of RGBA respectively represent Red (red) Green (green) Blue (blue) and the channel Alpha.The channel Alpha can be with
Indicate transparency parameter.This four parameters of XYZW are to describe the parameter of apex coordinate value.(Vertex) is in graphics on vertex
Most basic element, in three dimensions, each vertex are owned by the parameters such as oneself coordinate and color value.
The processing strategie in the embodiment of the present invention, only with one of whole pixel characteristic values of image data or several
Kind is related, rather than all related to whole pixel characteristic values of image data.Therefore, it in the embodiment of the present invention, determines to institute
First pixel characteristic value of described image data used by stating image data in the process of processing, can only to it is described
The relevant pixel characteristic value of processing strategie is transmitted, and is reduced or avoided to the pixel characteristic unrelated with the processing strategie
Value is transmitted.
For an image data, which can have a plurality of types of pixel characteristic values, and originally
In embodiment, the first pixel characteristic value in the multiple pixel characteristic value is only transmitted to the memory of the electronic equipment
In, rather than a plurality of types of pixel characteristic values that the image data is had all are transmitted to the memory of the electronic equipment
In, it is thus possible to improve efficiency of transmission.
In conclusion in the present embodiment, by determining to described image based on the processing strategie to described image data
Data in the process of processing used by described image data the first pixel characteristic value, by the multiple pixel characteristic value
In the first pixel characteristic value be transmitted in the memory of the electronic equipment, image data can be reduced from video memory and be transmitted to memory
In time of process consumption do not have also, since the data being transmitted in memory are data relevant to the processing strategie
Have the data unrelated with the processing strategie, therefore, central processing unit may be omitted with from a variety of pixel characteristic values identification with
The step of processing strategie relevant first pixel characteristic value, so as to improve processing of the central processing for image data
Efficiency.
In practical application, the first pixel characteristic value determination unit 402 be can specifically include:
First pixel characteristic value determines subelement, for determining from four pixel characteristic values of described image data
To described image data in the process of processing used by described image data the first pixel characteristic value.
In practical application, the transmission unit 403 be can specifically include:
First transmission subelement will be in the multiple pixel characteristic value for passing through the first passage in the channel RGBA
First pixel characteristic value is transmitted in the memory of the electronic equipment.
In practical application, the transmission unit 403 be can specifically include:
Second transmission subelement, it is for passing through four channels in the channel RGBA, four image datas are corresponding
Totally four the first pixel characteristic values are transmitted in the memory of the electronic equipment with a data transmission procedure.
In practical application, the central processing unit be can specifically include:
Statistic unit, the number for meeting the image data of the first preset condition for counting the first pixel characteristic value；
Judging unit obtains the first judging result for judging whether the number is greater than the first preset threshold；
Processing unit is used for when first judging result indicates that the number is greater than the first preset threshold, using pre-
If processing strategie handles described image data.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Based on this understanding, technical solution of the present invention contributes to background technique whole or
Person part can be embodied in the form of software products, which can store in storage medium, such as
ROM/RAM, magnetic disk, CD etc., including some instructions are used so that a computer equipment (can be personal computer, service
Device or the network equipment etc.) execute method described in certain parts of each embodiment of the present invention or embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For electronics disclosed in embodiment
For equipment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method portion
It defends oneself bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (6)
1. a kind of image processing method, which is characterized in that the method is applied to have image processing unit and centre
Manage the electronic equipment of device, which comprises
Obtain image data to be processed；
Based on the processing strategie to described image data, determine used in the process of processing to described image data
First pixel characteristic value of described image data；Wherein, a described image data have multiple pixel characteristic values；
The first pixel characteristic value in the multiple pixel characteristic value is transmitted in the memory of the electronic equipment, so as to described
Central processing unit is based on the first pixel characteristic value and is handled, including: it, will by four channels in the channel RGBA
Corresponding totally four the first pixel characteristic values of four image datas are transmitted to the electronics with a data transmission procedure and set
In standby memory.
2. the method according to claim 1, wherein the determination is in the mistake handled described image data
First pixel characteristic value of described image data employed in journey, specifically includes:
From four pixel characteristic values of described image data, determination is adopted in the process of processing to described image data
First pixel characteristic value of described image data.
3. the method according to claim 1, wherein the central processing unit is based on the first pixel characteristic value
It is handled, is specifically included:
Count the number that the first pixel characteristic value meets the image data of the first preset condition；
Judge whether the number is greater than the first preset threshold, obtains the first judging result；
When first judging result indicates that the number is greater than the first preset threshold, using default processing strategie to the figure
As data are handled.
4. a kind of electronic equipment, which is characterized in that the electronic equipment has image processing unit and central processing unit, the electricity
Sub- equipment includes:
Image data acquisition unit, for obtaining image data to be processed；
First pixel characteristic value determination unit, for determining to described image based on the processing strategie to described image data
Data in the process of processing used by described image data the first pixel characteristic value；Wherein, a described image number
According to multiple pixel characteristic values；
Transmission unit, for the first pixel characteristic value in the multiple pixel characteristic value to be transmitted in the electronic equipment
In depositing, handled so that the central processing unit is based on the first pixel characteristic value；
The transmission unit, specifically includes:
Second transmission subelement, for by four channels in the channel RGBA, by four image datas corresponding totally four
A first pixel characteristic value is transmitted in the memory of the electronic equipment with a data transmission procedure.
5. electronic equipment according to claim 4, which is characterized in that the first pixel characteristic value determination unit, specifically
Include:
First pixel characteristic value determines subelement, for determining to institute from four pixel characteristic values of described image data
First pixel characteristic value of described image data used by stating image data in the process of processing.
6. electronic equipment according to claim 4, which is characterized in that the central processing unit specifically includes:
Statistic unit, the number for meeting the image data of the first preset condition for counting the first pixel characteristic value；
Judging unit obtains the first judging result for judging whether the number is greater than the first preset threshold；
Processing unit is used for when first judging result indicates that the number is greater than the first preset threshold, using default place
Reason strategy handles described image data.
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| EP1897380B1 (en) * | 2005-06-23 | 2015-11-18 | Koninklijke Philips N.V. | Combined exchange of image and related depth data |
| US8089485B2 (en) * | 2007-07-17 | 2012-01-03 | Prometech Software, Inc. | Method for constructing data structure used for proximate particle search, program for the same, and storage medium for storing program |
| CN101437159B (en) * | 2008-12-08 | 2011-06-15 | 华为终端有限公司 | Method and apparatus for sending digital image |
| KR101325435B1 (en) * | 2008-12-23 | 2013-11-08 | 엘지디스플레이 주식회사 | Liquid crystal display |
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| CN101217623A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | A quick manual focusing method |
| CN103067451A (en) * | 2012-12-13 | 2013-04-24 | 北京奇虎科技有限公司 | Device and method for carrying out data transmission in remote service |
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