CN105468545A - Image data processing method and electronic device - Google Patents
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Abstract
The present invention discloses an image data processing method and an electronic device. The method is applied to the electronic device with an image processing unit and a central processor, and comprises: acquiring to-be-processed image data; based on a processing strategy for the image data, determining a first pixel feature value of the image data used in the process of image data processing, wherein one piece of the image data has a plurality of pixel feature values; and transmitting the first pixel feature value in the plurality of pixel feature values to a memory of the electronic device, so that the central processor carrying out processing based on the first pixel feature value. By using the method and electronic device provided by the present invention, the consuming time of the image data transmitted process from a video memory to the memory can be reduced, and the processing efficiency of the central processor for the image data can be improved.
Description
Technical field
The present invention relates to screen and manufacture field, particularly relate to a kind of image processing method and electronic equipment.
Background technology
At present electronic equipment, all has graphic process unit (GraphicProcessingUnit, GPU) mostly.Such as, the equipment such as mobile phone, panel computer, notebook computer, all have corresponding GPU.
In prior art, for analysis or the identifying of view data, mainly still realized by CPU.Before CPU processes view data, need internal memory view data being transferred to electronic equipment by the video memory of GPU, then just can be analyzed view data by CPU or the process such as identification.
But the data volume of view data is often comparatively large, and time view data consumed from the process that video memory transfers to internal memory is longer, sometimes even can become the bottleneck in the processing time reducing view data.
Summary of the invention
The object of this invention is to provide a kind of image processing method and electronic equipment, the time that view data consumes from the process that video memory transfers to internal memory can be reduced, improve the treatment effeciency of view data.
For achieving the above object, the invention provides following scheme:
A kind of image processing method, described method is applied to the electronic equipment with graphics processing unit and central processing unit, and described method comprises:
Obtain pending view data;
Based on the processing policy to described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed; Wherein, a described view data has multiple pixel characteristic value;
The first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
Optionally, described the first pixel characteristic value determining the described view data adopted in the process processed described view data, specifically comprises:
From four pixel characteristic values of described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed.
Optionally, described the first pixel characteristic value in described multiple pixel characteristic value to be transferred in the internal memory of described electronic equipment, specifically comprises:
By the first passage in RGBA passage, the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment.
Optionally, described the first pixel characteristic value in described multiple pixel characteristic value to be transferred in the internal memory of described electronic equipment, specifically comprises:
By the passage of four in RGBA passage, totally four the first pixel characteristic values that four view data are corresponding respectively transfer in the internal memory of described electronic equipment with a data transmission procedure.
Optionally, described central processing unit processes based on described first pixel characteristic value, specifically comprises:
Add up the number that the first pixel characteristic value meets the first pre-conditioned view data;
Judge whether described number is greater than the first predetermined threshold value, obtain the first judged result;
When described first judged result represents that described number is greater than the first predetermined threshold value, default processing policy is adopted to process described view data.
A kind of electronic equipment, described electronic equipment has graphics processing unit and central processing unit, and described electronic equipment comprises:
Image data acquisition unit, for obtaining pending view data;
First pixel characteristic value determining unit, for based on the processing policy to described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Transmission unit, for the first pixel characteristic value in described multiple pixel characteristic value being transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
Optionally, described first pixel characteristic value determining unit, specifically comprises:
First pixel characteristic value determination subelement, for from four pixel characteristic values of described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data.
Optionally, described transmission unit, specifically comprises:
First transmission subelement, for by the first passage in RGBA passage, transfers to the first pixel characteristic value in described multiple pixel characteristic value in the internal memory of described electronic equipment.
Optionally, described transmission unit, specifically comprises:
Second transmission subelement, for passing through four passages in RGBA passage, totally four the first pixel characteristic values that four view data are corresponding respectively transfer in the internal memory of described electronic equipment with a data transmission procedure.
Optionally, described central processing unit, specifically comprises:
Statistic unit, meets the number of the first pre-conditioned view data for adding up the first pixel characteristic value;
Judging unit, for judging whether described number is greater than the first predetermined threshold value, obtains the first judged result;
Processing unit, for when described first judged result represents that described number is greater than the first predetermined threshold value, adopts default processing policy to process described view data.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
Image processing method of the present invention and electronic equipment, by based on the processing policy to described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed, the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, the time that view data consumes from the process that video memory transfers to internal memory can be reduced, and, because the data transferred in internal memory are all data relevant to described processing policy, not with the data that described processing policy is irrelevant, therefore, central processing unit can also save the step of the first pixel characteristic value that identification is relevant to described processing policy from multiple pixel characteristic value, thus the treatment effeciency of central authorities' process for view data can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of image processing method embodiment 1 of the present invention;
Fig. 2 is the process flow diagram of image processing method embodiment 2 of the present invention;
Fig. 3 is the process flow diagram of image processing method embodiment 3 of the present invention;
Fig. 4 is the structural drawing of electronic equipment embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Image processing method of the present invention, can be applied to the electronic equipment with graphics processing unit and central processing unit.Described electronic equipment can be the equipment such as mobile phone, panel computer, notebook computer, desk-top computer.Described graphics processing unit can be the chip with image processing function of described electronic equipment internal, and English name can be GPU (GraphicProcessingUnit).Described central processing unit, English name can be CPU (CentralProcessingUnit).
Fig. 1 is the process flow diagram of image processing method embodiment 1 of the present invention.As shown in Figure 1, the method can comprise:
Step 101: obtain pending view data;
Described pending view data can be various types of view data.Such as, described view data can be electronic equipment take pictures or video time, the view data that image acquisition units collects; Also can be electronic equipment browsing video file or picture time, the view data got.
Step 102: based on the processing policy to described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Described processing policy, the strategy adopted when can be and described view data is processed.Such as, described processing policy can be: when in described view data, when brightness is greater than predetermined number lower than the number of the view data of preset value, heightens the display brightness of the display unit of described electronic equipment.Again such as, described processing policy can be: when in described view data, when red chromatic value is greater than predetermined number lower than the number of the view data of preset value, heightens the ratio that red color component is shared in display frame.Concrete, described processing policy can set according to actual needs, will not enumerate herein.
Usually, described view data can have multiple pixel characteristic value.Such as, a view data, according to color, can have RGBA tetra-pixel characteristic values; According to coordinate, XYZW tetra-pixel characteristic values can be had.Wherein, these four parameters of RGBA represent Red (redness) Green (green) Blue (blueness) and Alpha passage respectively.Alpha passage can represent transparency parameter.These four parameters of XYZW are the parameters describing apex coordinate value.Summit (Vertex) is the most fundamental element in graphics, and in three dimensions, each summit has oneself the parameter such as coordinate and color value.
Described processing policy in the embodiment of the present invention, only relevant to one or more in whole pixel characteristic values of view data, instead of all relevant to whole pixel characteristic values of view data.Therefore, in the embodiment of the present invention, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed, only can transmit the pixel characteristic value relevant to described processing policy, and reduce or avoid transmitting the pixel characteristic value irrelevant with described processing policy.
Step 103: the first pixel characteristic value in described multiple pixel characteristic value transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
Usually, for a view data, this view data can have polytype pixel characteristic value, and in the present embodiment, just the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, instead of the polytype pixel characteristic value this view data to be had all transfers in the internal memory of described electronic equipment, therefore, can improve transfer efficiency.
In sum, in the present embodiment, by based on the processing policy to described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed, the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, the time that view data consumes from the process that video memory transfers to internal memory can be reduced, and, because the data transferred in internal memory are all data relevant to described processing policy, not with the data that described processing policy is irrelevant, therefore, central processing unit can also save the step of the first pixel characteristic value that identification is relevant to described processing policy from multiple pixel characteristic value, thus the treatment effeciency of central authorities' process for view data can be improved.
Fig. 2 is the process flow diagram of image processing method embodiment 2 of the present invention.As shown in Figure 2, the method can comprise:
Step 201: obtain pending view data;
Step 202: based on the processing policy to described view data, from four pixel characteristic values of described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Usually, the pixel characteristic value of a described view data can be have four.Such as, a view data, according to color, can have RGBA tetra-pixel characteristic values; According to coordinate, XYZW tetra-pixel characteristic values can be had.
In addition, according to RGBA tetra-pixel characteristic values, brightness value can also be calculated.In the application, brightness can represent with parameter U, according to formula U=R*0.299+G*0.587+B*0.114, can calculate brightness value U.
Step 203: by the first passage in RGBA passage, transfers to the first pixel characteristic value in described multiple pixel characteristic value in the internal memory of described electronic equipment.
Existing graphics processing unit, when transmitting data in the internal memory of electronic equipment, adopts RGBA passage to transmit.The parameter value of RGBA tetra-parameters, can transfer in the internal memory of described electronic equipment in one transmission.
In embodiments of the present invention, in order to improve transfer efficiency further, can by four passages in RGBA passage, utilize each passage to represent the first pixel characteristic value of a view data, then four the first pixel characteristic values in four passages are transferred in the internal memory of described electronic equipment with a data transmission procedure.Wherein, described four the first pixel characteristic values corresponding four view data respectively, the corresponding view data of each first pixel characteristic value.
Suppose the first pixel characteristic value of view data A to be the first pixel characteristic value of X1, view data B be that the first pixel characteristic value of X2, view data C be the first pixel characteristic value of X3, view data D is X4; Then the parameter of four in RGBA passage can be set to (X1, X2, X3, X4) respectively, then adopt a data transmission procedure to transfer in the internal memory of described electronic equipment.
Like this, once can complete the transmission of the pixel characteristic value of four view data, in prior art, transmitting procedure can only complete the transmission of the pixel characteristic value of a view data, and aforesaid way can significantly improve the efficiency of transmission pixel characteristic value.
Fig. 3 is the process flow diagram of image processing method embodiment 3 of the present invention.As shown in Figure 3, the method can comprise:
Step 301: obtain pending view data;
Step 302: based on the processing policy to described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Step 303: the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment;
Step 304: the number that the first pixel characteristic value meets the first pre-conditioned view data added up by described central processing unit;
Described central processing unit can read the data in internal memory and analyze.
Step 305: judge whether described number is greater than the first predetermined threshold value, obtain the first judged result;
Step 306: when described first judged result represents that described number is greater than the first predetermined threshold value, adopts default processing policy to process described view data.
In the present embodiment, described first pixel characteristic value can be the value of certain feature describing described view data.Such as, described first pixel characteristic value can be brightness value, or described first pixel characteristic value also can be chromatic value.Brightness value for described first pixel characteristic value, described first pre-conditioned can be that brightness value is less than 100.Suppose to co-exist in 60000 pixels (i.e. view data) in piece image, described first predetermined threshold value can be 30000.Now, if the first judged result is yes, then represents in 60000 view data, have the brightness of view data over half to be less than 100, can think that brightness of image is lower, the display brightness of the display unit of described electronic equipment can be heightened.In this example, the display brightness heightening the display unit of described electronic equipment is exactly an object lesson of default processing policy.
It should be noted that, those skilled in the art can be according to the actual requirements, adopt other pixel characteristic values as described first pixel characteristic value, other first pre-conditioned, the first predetermined threshold value and default processing policy can be adopted accordingly, thus realize other processing modes for view data.The application will not enumerate at this.
In sum, in the present embodiment, by the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, the time that view data consumes from the process that video memory transfers to internal memory can be reduced, and, because the data transferred in internal memory are all data relevant to described processing policy, not with the data that described processing policy is irrelevant, therefore, central processing unit can also save the step of the first pixel characteristic value that identification is relevant to described processing policy from multiple pixel characteristic value, thus the treatment effeciency of central authorities' process for view data can be improved.
The invention also discloses a kind of electronic equipment.Described electronic equipment has graphics processing unit and central processing unit.Described electronic equipment can be the equipment such as mobile phone, panel computer, notebook computer, desk-top computer.Described graphics processing unit can be the chip with image processing function of described electronic equipment internal, and English name can be GPU (GraphicProcessingUnit).Described central processing unit, English name can be CPU (CentralProcessingUnit).
Fig. 4 is the structural drawing of electronic equipment embodiment of the present invention.As shown in Figure 4, described electronic equipment can comprise:
Image data acquisition unit 401, for obtaining pending view data;
Described pending view data can be various types of view data.Such as, described view data can be electronic equipment take pictures or video time, the view data that image acquisition units collects; Also can be electronic equipment browsing video file or picture time, the view data got.
First pixel characteristic value determining unit 402, for based on the processing policy to described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Transmission unit 403, for the first pixel characteristic value in described multiple pixel characteristic value being transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
Described processing policy, the strategy adopted when can be and described view data is processed.Such as, described processing policy can be: when in described view data, when brightness is greater than predetermined number lower than the number of the view data of preset value, heightens the display brightness of the display unit of described electronic equipment.Again such as, described processing policy can be: when in described view data, when red chromatic value is greater than predetermined number lower than the number of the view data of preset value, heightens the ratio that red color component is shared in display frame.Concrete, described processing policy can set according to actual needs, will not enumerate herein.
Usually, described view data can have multiple pixel characteristic value.Such as, a view data, according to color, can have RGBA tetra-pixel characteristic values; According to coordinate, XYZW tetra-pixel characteristic values can be had.Wherein, these four parameters of RGBA represent Red (redness) Green (green) Blue (blueness) and Alpha passage respectively.Alpha passage can represent transparency parameter.These four parameters of XYZW are the parameters describing apex coordinate value.Summit (Vertex) is the most fundamental element in graphics, and in three dimensions, each summit has oneself the parameter such as coordinate and color value.
Described processing policy in the embodiment of the present invention, only relevant to one or more in whole pixel characteristic values of view data, instead of all relevant to whole pixel characteristic values of view data.Therefore, in the embodiment of the present invention, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed, only can transmit the pixel characteristic value relevant to described processing policy, and reduce or avoid transmitting the pixel characteristic value irrelevant with described processing policy.
Usually, for a view data, this view data can have polytype pixel characteristic value, and in the present embodiment, just the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, instead of the polytype pixel characteristic value this view data to be had all transfers in the internal memory of described electronic equipment, therefore, can improve transfer efficiency.
In sum, in the present embodiment, by based on the processing policy to described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed, the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, the time that view data consumes from the process that video memory transfers to internal memory can be reduced, and, because the data transferred in internal memory are all data relevant to described processing policy, not with the data that described processing policy is irrelevant, therefore, central processing unit can also save the step of the first pixel characteristic value that identification is relevant to described processing policy from multiple pixel characteristic value, thus the treatment effeciency of central authorities' process for view data can be improved.
In practical application, described first pixel characteristic value determining unit 402, specifically can comprise:
First pixel characteristic value determination subelement, for from four pixel characteristic values of described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data.
In practical application, described transmission unit 403, specifically can comprise:
First transmission subelement, for by the first passage in RGBA passage, transfers to the first pixel characteristic value in described multiple pixel characteristic value in the internal memory of described electronic equipment.
In practical application, described transmission unit 403, specifically can comprise:
Second transmission subelement, for passing through four passages in RGBA passage, totally four the first pixel characteristic values that four view data are corresponding respectively transfer in the internal memory of described electronic equipment with a data transmission procedure.
In practical application, described central processing unit, specifically can comprise:
Statistic unit, meets the number of the first pre-conditioned view data for adding up the first pixel characteristic value;
Judging unit, for judging whether described number is greater than the first predetermined threshold value, obtains the first judged result;
Processing unit, for when described first judged result represents that described number is greater than the first predetermined threshold value, adopts default processing policy to process described view data.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For electronic equipment disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an image processing method, is characterized in that, described method is applied to the electronic equipment with graphics processing unit and central processing unit, and described method comprises:
Obtain pending view data;
Based on the processing policy to described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed; Wherein, a described view data has multiple pixel characteristic value;
The first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
2. method according to claim 1, is characterized in that, described the first pixel characteristic value determining the described view data adopted in the process processed described view data, specifically comprises:
From four pixel characteristic values of described view data, determine the first pixel characteristic value of the described view data adopted in the process that described view data is processed.
3. method according to claim 1, is characterized in that, describedly the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, specifically comprises:
By the first passage in RGBA passage, the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment.
4. method according to claim 1, is characterized in that, describedly the first pixel characteristic value in described multiple pixel characteristic value is transferred in the internal memory of described electronic equipment, specifically comprises:
By the passage of four in RGBA passage, totally four the first pixel characteristic values that four view data are corresponding respectively transfer in the internal memory of described electronic equipment with a data transmission procedure.
5. method according to claim 1, is characterized in that, described central processing unit processes based on described first pixel characteristic value, specifically comprises:
Add up the number that the first pixel characteristic value meets the first pre-conditioned view data;
Judge whether described number is greater than the first predetermined threshold value, obtain the first judged result;
When described first judged result represents that described number is greater than the first predetermined threshold value, default processing policy is adopted to process described view data.
6. an electronic equipment, is characterized in that, described electronic equipment has graphics processing unit and central processing unit, and described electronic equipment comprises:
Image data acquisition unit, for obtaining pending view data;
First pixel characteristic value determining unit, for based on the processing policy to described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data; Wherein, a described view data has multiple pixel characteristic value;
Transmission unit, for the first pixel characteristic value in described multiple pixel characteristic value being transferred in the internal memory of described electronic equipment, so that described central processing unit processes based on described first pixel characteristic value.
7. electronic equipment according to claim 6, is characterized in that, described first pixel characteristic value determining unit, specifically comprises:
First pixel characteristic value determination subelement, for from four pixel characteristic values of described view data, determines the first pixel characteristic value of the described view data adopted in the process processed described view data.
8. electronic equipment according to claim 6, is characterized in that, described transmission unit, specifically comprises:
First transmission subelement, for by the first passage in RGBA passage, transfers to the first pixel characteristic value in described multiple pixel characteristic value in the internal memory of described electronic equipment.
9. electronic equipment according to claim 6, is characterized in that, described transmission unit, specifically comprises:
Second transmission subelement, for passing through four passages in RGBA passage, totally four the first pixel characteristic values that four view data are corresponding respectively transfer in the internal memory of described electronic equipment with a data transmission procedure.
10. electronic equipment according to claim 6, is characterized in that, described central processing unit, specifically comprises:
Statistic unit, meets the number of the first pre-conditioned view data for adding up the first pixel characteristic value;
Judging unit, for judging whether described number is greater than the first predetermined threshold value, obtains the first judged result;
Processing unit, for when described first judged result represents that described number is greater than the first predetermined threshold value, adopts default processing policy to process described view data.
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