CN105872540A - Video processing method and device - Google Patents

Video processing method and device Download PDF

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Publication number
CN105872540A
CN105872540A CN201610267106.7A CN201610267106A CN105872540A CN 105872540 A CN105872540 A CN 105872540A CN 201610267106 A CN201610267106 A CN 201610267106A CN 105872540 A CN105872540 A CN 105872540A
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China
Prior art keywords
different
attribute
panoramic
video
image quality
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CN201610267106.7A
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Chinese (zh)
Inventor
贾旭
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
LeTV Holding Beijing Co Ltd
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
LeTV Holding Beijing Co Ltd
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Priority to CN201610267106.7A priority Critical patent/CN105872540A/en
Publication of CN105872540A publication Critical patent/CN105872540A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

Abstract

The embodiment of the invention provides a video processing method and device. The method mainly comprises the steps that a panoramic video is acquired; the attributes of different objects contained in a panoramic image of the panoramic video are judged separately, wherein the attributes are used for identifying the core degree and movement frequency of the objects; corresponding image quality parameters are set for the different objects in the panoramic image according to the attributes, so that image coding is conducted by using the corresponding image quality parameters. Compared with the prior art, the video processing method and device have the advantage that the storage space occupied by the panoramic video and traffic consumption can be reduced.

Description

The method and device of Video processing
Technical field
The present embodiments relate to Computer Applied Technology field, a kind of method particularly relating to Video processing And device.
Background technology
Along with socioeconomic development, computer has become as the important composition portion that people live indispensable Point, and the man-machine interaction of close friend the most already becomes the problem that people are concerned about very much.From command interface in early days Multimedia interface, up-to-date virtual reality is arrived again to graphic user interface.Man-machine interaction has developed To a new field.
Virtual reality (Virtual Reality is called for short VR) is to utilize computer graphics system and various reality The interface equipments such as control, provide in three-dimensional environment that generate on computers, can be mutual and immerse sensation Technology.The realization of VR technology needs VR panoramic video, VR viewing equipment etc..Wherein VR panorama Video be use panorama camera scene is carried out 360 degree without dead angle shooting the most again through the later stage making, The video of software process quality, therefore can make user enjoy substitution sense on the spot in person.Owing to being 360 degree of nothings Dead angle shoots, and owing to the definition of VR panoramic video is had certain requirement, the VR therefore obtained Panoramic video file data is the biggest, and the memory space that such VR panoramic video occupies can be relatively big, with The required flow expended of sample transmission is the biggest, and these features of VR panoramic video itself are to VR panorama The storage of video and transmission build-up of pressure.
Summary of the invention
The embodiment of the present invention provides the method and device of a kind of Video processing, in order to solve existing VR panorama Method for processing video frequency expends memory space and problems of liquid flow.
The embodiment of the present invention provides a kind of method of Video processing, and described method includes:
Obtain panoramic video;
Judging the attribute of the different objects that panoramic picture comprises in described panoramic video respectively, described attribute is used Core degree and motion frequency in mark object;
The object being different in described panoramic picture according to described attribute arranges the image quality parameter of correspondence, To use corresponding image quality parameter to carry out Image Coding.
The embodiment of the present invention provides the device of a kind of Video processing, and described device includes:
Acquiring unit, is used for obtaining panoramic video;
Judging unit, for judging the genus of the different objects that image comprises in described panoramic video panorama respectively Property, described attribute is for identifying core degree and the motion frequency of object;
Unit is set, is used for arranging correspondence according to the object that described attribute is different in described panoramic picture Image quality parameter, to use corresponding image quality parameter to carry out Image Coding.
The method and device of the Video processing that the embodiment of the present invention provides, it is possible to first obtain panoramic video; Then, judge the attribute of the different objects comprised in the panoramic picture comprised in this panoramic video respectively, should Attribute is for identifying core degree and the motion frequency of above-mentioned object;Finally, it is panorama sketch according to above-mentioned attribute Objects different in Xiang arranges the image quality parameter of correspondence, to use corresponding image quality parameter to carry out Image Coding.Compared with prior art, the embodiment of the present invention can be according to the panorama comprised in panoramic video In image, core degree and the movement rate of different objects arrange different image quality parameters and encode, this Sample just can be further directed to need to select different figure picture elements according to the different attribute of object in panoramic picture Amount parameter, the highest shared space of usual image quality parameter is the biggest, and image quality parameter is not according to The Video coding mode that same object dynamically changes to a certain extent can be at the image ensureing important object Reduce in the case of quality whole panoramic video memory space and and transmission time necessary flow size.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under, Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the method for a kind of Video processing that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the method for the another kind of Video processing that Fig. 2 provides for the embodiment of the present invention;
The composition frame chart of the device of a kind of Video processing that Fig. 3 provides for the embodiment of the present invention;
The composition frame chart of the device of the another kind of Video processing that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise The every other embodiment obtained, broadly falls into the scope of protection of the invention.
A kind of method embodiments providing Video processing, as it is shown in figure 1, the method includes:
101, panoramic video is obtained.
Panoramic video refer to can about shooting angle upper and lower 360 degree arbitrarily watch dynamic video, make me Have a kind of sensation on the spot in person, what present VR technology used is exactly panoramic video.Generally panorama Video is that the video shot by multiple video cameras carries out splicing obtaining, the panoramic picture being spliced into May be cube graph picture or spherical chart picture.The panoramic video obtained in the present embodiment can be the most logical Crossing the video of video camera shooting, directly shooting the panoramic video obtained is semi-finished product, makes after needing to obtain Carry out splicing etc. with software to process;Or directly obtain the panorama processing the shaping obtained through related software Video.
102, the attribute of the different objects that panoramic picture comprises in panoramic video is judged respectively.
Due to the restriction of existing network bandwidth, the signal of video larger data typically requires and carries out bigger pressure Contracting, therefore relates to the compression of video during Video coding.And for panoramic video, due to this Body is bigger relative to traditional the video data volume, therefore when ensureing certain video quality, and panoramic video The compression factor of data can not be the biggest.But the data volume of panoramic video is the biggest, takies in transmitting procedure Bandwidth and flow bigger, the requirement to network is the highest.But for most panoramic video It is analyzed, it can be seen that in a panoramic video, effective information is few, and great majority are all backgrounds etc Insignificant information.Therefore the present embodiment considers to carry out respectively according to the significance level of information in panoramic video The different settings of the relevant parameter in cataloged procedure.By above-mentioned analysis, it is therefore desirable to first to acquisition Information in panoramic video is analyzed.Concrete:
Video is all by image construction one by one, analyzes each panorama sketch comprised in panoramic video Picture or key frame panoramic picture, concrete analysing content is: judge that the difference comprised in panoramic picture is right The attribute of elephant, different objects is often referred to different scenes or different people or thing etc..Such as one complete Scape image is " girl dances in classroom ", then the object comprised in this image is " girl " " classroom " two.In the present embodiment, in panoramic picture, the attribute of object is the core for identifying object Degree and motion frequency.Also use two objects " girl " of above-mentioned example " girl dances in classroom " " classroom ", it is the part of core in image that girl dances, and classroom is a background danced, Therefore the core degree of core degree ratio " classroom " of object " girl " is high;It addition, object " girl " exists Whole video is dancing, and the background as " classroom " remains constant, therefore two The motion frequency that object is corresponding is also different, the motion frequency of " girl " be on the occasion of, more than " classroom " Motion frequency null value.It should be noted that the frequency of the motion that different object is corresponding is individually at an image In cannot determine, it is common that come according to a certain section of video in panoramic video or whole panoramic videos Judge.
103, the object being different in panoramic picture according to attribute arranges the image quality parameter of correspondence.
Determined the attribute of the different objects comprised in panoramic picture by step 102 after, according to corresponding attribute The image quality parameter that different object is corresponding is set, to use different image quality parameters to carry out image volume Code.Concrete: the object that core degree is high and/or rate of motion is big, image quality parameter also can be arranged accordingly Relatively big, and core degree and/or the little object of rate of motion, image quality parameter also can arrange less accordingly, Memory space and flow that view data after the coding of the least usual correspondence of image quality parameter takies also can The least, actual effect is to dynamically change picture quality ginseng according to different objects during coding Number.Owing to user is when watching panoramic video, the object that core degree is high or rate of motion is high the most only can be paid close attention to, Therefore the panoramic video effect finally presented can be made: ensure that core degree is high or that rate of motion is high is right to be The picture quality of elephant, does not affect the viewing of user.Take when decreasing panoramic video transmission deposits simultaneously Storage space and flow, solve the data caused greatly due to panoramic video data volume and run in network transmits Difficulty.
It should be noted that image quality parameter can according to actual demand arrange different grades with not Same core degree and/or motion frequency mate.Image quality parameter differs with core and/or motion frequency Surely it is relation one to one, can be by same to core degree within a certain range and/or motion frequency correspondence Individual image quality parameter grade.
Further, for the panoramic video in the present embodiment mainly as the film source of VR equipment.
The method of the Video processing that the embodiment of the present invention provides, it is possible to first obtain panoramic video;Then, Judging the attribute of the different objects comprised in the panoramic picture comprised in this panoramic video respectively, this attribute is used In the core degree and the motion frequency that identify above-mentioned object;Finally, according to above-mentioned attribute be in panoramic picture not Same object arranges the image quality parameter of correspondence, to use corresponding image quality parameter to carry out image volume Code.Compared with prior art, the embodiment of the present invention can be according in the panoramic picture comprised in panoramic video Core degree and the movement rate of different objects arrange different image quality parameters and encode, and thus may be used To be further directed to need to select different picture quality to join according to the different attribute of object in panoramic picture Number, the highest shared space of usual image quality parameter is the biggest, and image quality parameter is according to different The Video coding mode that object dynamically changes to a certain extent can be in the picture quality ensureing important object In the case of reduce whole panoramic video memory space and and transmission time necessary flow size.
Further, in order to the refinement of embodiment illustrated in fig. 1 and extension, the embodiment of the present invention provides another A kind of method of Video processing, as shown in Figure 2.
201, panoramic video is obtained.
The implementation of this step is identical with the implementation in Fig. 1 step 101, and here is omitted.
202, panoramic picture in panoramic video is divided into zones of different, the corresponding different object of zones of different.
After obtaining panoramic video, in order to the information of the different significance levels in corresponding panoramic picture is carried out Distinguish, it is necessary first to panoramic picture is split, is divided into different regions, can basis during segmentation The coordinate points information of user's input is as the separation information of zones of different, and then irises out not for panoramic picture Same region;Or obtained the separation of zones of different by the input mode of grid mark according to user, And then iris out different regions for panoramic picture.The standard carrying out panoramic picture region segmentation time institute foundation is The corresponding different object in different regions.It should be noted that the information of different significance level refers to difference Object.
203, the attribute of the different objects that panoramic picture comprises in panoramic video is judged respectively.
In the present embodiment, the attribute of object is the same with attribute in Fig. 1 step 102, including the core of object Heart degree and motion frequency, for judging that in panoramic picture, the method for the attribute of different objects specifically includes following Two kinds of situations:
The first situation, judges the attribute of object, attribute according to the propertiesdescription file that panoramic video is corresponding In supporting paper, record has the attribute information of all objects comprised in panoramic video.Propertiesdescription file is It is known as panoramic video, can directly obtain.Propertiesdescription file pans video Photographer is marked to the attribute of different objects and records generation in shooting process, also may be used simultaneously More accurately to express the real meaning that the video of photographer's shooting is intended by.Propertiesdescription file can To be acquired in the lump when obtaining panoramic video.As long as therefore determining that the object comprised in panoramic picture just may be used To find corresponding attribute information in propertiesdescription file.
The second situation, according to the attribute of the different object of preset standard assessment.For there is no attribute specification literary composition The panoramic video of part or when being not desired to the propertiesdescription file using panoramic video corresponding, can be according to presetting Standard carries out estimating of attribute to different objects.Preset standard wherein includes how the fortune according to object Dynamic or static state judges the regulation of motion frequency, how to judge correspondence according to motion or inactive state The regulation of different core degree;The core of object how is determined according to object position in panoramic picture The multiple regulations such as the regulation of degree.Such as can specify that motion frequency that the object of motion is corresponding is high and core degree Height, the motion frequency that static object is corresponding is low, core degree is low, is in the right of panoramic picture center The core degree of elephant is high, and the core degree of the object being in panoramic picture marginal position is low.Can root in reality Rule specifically used in preset standard are selected according to different panoramic videos and the different panoramic picture that comprises Fixed, the attribute evaluation of different object is then carried out according to the regulation selected.
Above two condition please may be used alone, can also be combi use, and concrete occupation mode can To determine according to actual needs.
204, the object being different in panoramic picture according to attribute arranges the image quality parameter of correspondence.
In the present embodiment, image quality parameter mainly includes code check and frame per second.Code check refers to when data are transmitted The figure place of the data transmitted in the unit interval, common use unit is kbp/s.Code check is exactly the distortion factor, Code check is the highest, and the ratio that image is compressed is the least, and image is the most clear;Code check is the lowest, and image is compressed Ratio is the biggest, and image is the most coarse comprises more mosaic.The number of image frames that frame per second shows in referring to 1 second, Frame per second is exactly refresh rate, and frame per second is the biggest, and the video pictures presented is the most smooth;Frame per second is the least, presents Video pictures more have sense of beating.Frame per second and code check are all the factors affecting picture quality.Concrete:
Code check being arranged to the core degree of Primary Reference object, code check is directly proportional to core degree, core degree The highest, the code check being correspondingly arranged is the biggest, and the relatively low object of core degree arranges relatively low code check.Code check is the biggest, The space taken after compression of images is the biggest;Code check is the least, and the space taken after compression of images is the least, The most i.e. ensure that the picture quality of the object that core degree height is the most important in panoramic picture, also to a certain degree On reduce the size after panoramic picture compression, thus reduce memory space and flow.Concrete code check and core Corresponding relation between heart degree needs to arrange in advance.
Frame per second being arranged to the motion frequency of Primary Reference object, frame per second is directly proportional to motion frequency, fortune Dynamic frequency is the highest, and the frame per second being correspondingly arranged is the biggest;Motion frequency is the lowest, and the frame per second being correspondingly arranged is the least. Frame per second is the biggest, and the image after compression is the most smooth, particularly with the object of motion;Frame per second is the least, after compression The sense of beating of image the biggest, but the object that corresponding motion frequency is less, low frame per second just can meet The dynamic effect of corresponding object.It addition, frame per second is the biggest, the data volume of corresponding transmitted per unit time The biggest.Therefore, the fluency of the high object of motion frequency is this ensures that thered, it is also possible in certain journey Reduce the transmission quantity of some data on degree, and then reduce memory space and the demand of network traffic flow. Concrete corresponding relation between frame per second and motion frequency needs to arrange in advance.
205, the corresponding relation between image quality parameter and different objects is saved in configuration file.
Owing to being to arrange difference for the different objects in different panoramic pictures when panoramic video encodes Image quality parameter carry out, therefore when video decodes, need to arrange choosing according to parameter during coding Select suitable decoder to be decoded.It is thus desirable to by figure picture element corresponding for the different objects that determine during coding Amount parameter carries out storing in corresponding configuration file, it is alternatively that a reference frame of decoder.
Further, as to the realization of method shown in above-mentioned Fig. 1 and Fig. 2, the embodiment of the present invention another One embodiment additionally provides the device of a kind of Video processing, as it is shown on figure 3, this device includes: obtain Unit 31, judging unit 32 and unit 33 is set.
Acquiring unit 31, is used for obtaining panoramic video.
The panoramic video obtained in the present embodiment can be the video directly shot by video camera, directly claps Taking the photograph the panoramic video obtained is semi-finished product, uses software to carry out splicing etc. and process after needing to obtain;Or Directly obtain the panoramic video processing the shaping obtained through related software.
Judging unit 32, for judging the attribute of the different objects that panoramic picture comprises in panoramic video respectively, Attribute is for identifying core degree and the motion frequency of object.
Video is all by image construction one by one, analyzes each panorama sketch comprised in panoramic video Picture or key frame panoramic picture, concrete analysing content is: judge that the difference comprised in panoramic picture is right The attribute of elephant, different objects is often referred to different scenes or different people or thing etc..Such as one complete Scape image is " girl dances in classroom ", then the object comprised in this image is " girl " " classroom " two.In the present embodiment, in panoramic picture, the attribute of object is the core for identifying object Degree and motion frequency.Also use two objects " girl " of above-mentioned example " girl dances in classroom " " classroom ", it is the part of core in image that girl dances, and classroom is a background danced, Therefore the core degree of core degree ratio " classroom " of object " girl " is high;It addition, object " girl " exists Whole video is dancing, and the background as " classroom " remains constant, therefore two The motion frequency that object is corresponding is also different, the motion frequency of " girl " be on the occasion of, more than " classroom " Motion frequency null value.It should be noted that the frequency of the motion that different object is corresponding is individually at an image In cannot determine, it is common that come according to a certain section of video in panoramic video or whole panoramic videos Judge.
Unit 33 is set, is used for arranging according to the object that attribute is different in panoramic picture the figure picture element of correspondence Amount parameter, to use corresponding image quality parameter to carry out Image Coding.
The image quality parameter that different object is corresponding is set according to attribute, to use different picture quality to join Number carries out Image Coding.Concrete: the object that core degree is high and/or rate of motion is big, image quality parameter is also Can arrange relatively big accordingly, and core degree and/or the little object of rate of motion, image quality parameter also can be corresponding Setting less, the storage that view data after the coding of the least usual correspondence of image quality parameter takies is empty Between and flow also can be the least, actual effect is dynamically to change according to different objects during coding Become image quality parameter.Owing to user is when watching panoramic video, core degree height or fortune the most only can be paid close attention to The object that dynamic rate is high, therefore can make the panoramic video effect finally presented be: ensure that core degree is high Or the picture quality of the high object of rate of motion, do not affect the viewing of user.Decrease panoramic video simultaneously The memory space taken during transmission and flow, solve the data caused greatly due to panoramic video data volume and exist The difficulty run in network transmission.
It should be noted that image quality parameter can according to actual demand arrange different grades with not Same core degree and/or motion frequency mate.Image quality parameter differs with core and/or motion frequency Surely it is relation one to one, can be by same to core degree within a certain range and/or motion frequency correspondence Individual image quality parameter grade.
Further, for the panoramic video in this example mainly as the film source of VR equipment.
Further, as shown in Figure 4, it is judged that unit 32 includes:
Judge module 321, for judging the attribute of object according to the propertiesdescription file that panoramic video is corresponding, In propertiesdescription file, record has the attribute information of all objects comprised in panoramic video;
Judge the attribute of object according to the propertiesdescription file that panoramic video is corresponding, propertiesdescription file is remembered Record has the attribute information of all objects comprised in panoramic video.Propertiesdescription file is and panoramic video one Sample is known, can directly obtain.Propertiesdescription file be pan video photographer shooting During the attribute of different objects is marked and records generation, simultaneously can also be more accurately Express the real meaning that the video of photographer's shooting is intended by.Propertiesdescription file can obtain panorama It is acquired in the lump during video.As long as therefore determining that the object comprised in panoramic picture just can be at attribute specification File finds corresponding attribute information.
Evaluation module 322, for the attribute according to the different object of preset standard assessment.
Attribute according to the different object of preset standard assessment.For there is no the panoramic video of propertiesdescription file Or when being not desired to the propertiesdescription file using panoramic video corresponding, can be according to preset standard to different Object carries out estimating of attribute.Preset standard wherein includes how the motion according to object or static shape State judges the regulation of motion frequency, how to judge corresponding different core according to motion or inactive state The regulation of degree;How many according to position regulation of core degree determining object in panoramic picture of object etc. Plant regulation.Such as can specify that motion frequency that the object of motion is corresponding is high and core degree is high, static is right As the motion frequency of correspondence is low, core degree is low, the core degree of the object being in panoramic picture center is high, The core degree of the object being in panoramic picture marginal position is low etc..Can be according to different aphoramas in reality Frequency and the different panoramic picture comprised select regulation specifically used in preset standard, then according to choosing The regulation selected carries out the attribute evaluation of different object.
Further, image quality parameter includes code check and frame per second, as shown in Figure 4, described arranges unit 33, including:
First arranges module 331, for arranging the code check corresponding with core degree, code check for different objects It is directly proportional to core degree;
Code check being arranged to the core degree of Primary Reference object, code check is directly proportional to core degree, core degree The highest, the code check being correspondingly arranged is the biggest, and the relatively low object of core degree arranges relatively low code check.Code check is the biggest, The space taken after compression of images is the biggest;Code check is the least, and the space taken after compression of images is the least, The most i.e. ensure that the picture quality of the object that core degree height is the most important in panoramic picture, also to a certain degree On reduce the size after panoramic picture compression, thus reduce memory space and flow.Concrete code check and core Corresponding relation between heart degree needs to arrange in advance.
Second arranges module 332, for arranging the frame per second corresponding with motion frequency, frame for different objects Rate is directly proportional to motion frequency.
Frame per second being arranged to the motion frequency of Primary Reference object, frame per second is directly proportional to motion frequency, fortune Dynamic frequency is the highest, and the frame per second being correspondingly arranged is the biggest;Motion frequency is the lowest, and the frame per second being correspondingly arranged is the least. Frame per second is the biggest, and the image after compression is the most smooth, particularly with the object of motion;Frame per second is the least, after compression The sense of beating of image the biggest, but the object that corresponding motion frequency is less, low frame per second just can meet The dynamic effect of corresponding object.It addition, frame per second is the biggest, the data volume of corresponding transmitted per unit time The biggest.Therefore, the fluency of the high object of motion frequency is this ensures that thered, it is also possible in certain journey Reduce the transmission quantity of some data on degree, and then reduce memory space and the demand of network traffic flow. Concrete corresponding relation between frame per second and motion frequency needs to arrange in advance.
Further, as shown in Figure 4, device farther includes:
Storage unit 34, for being saved in the corresponding relation between image quality parameter and different objects In configuration file, so that reference configuration file selects decoder during image decoding.
Owing to being to arrange difference for the different objects in different panoramic pictures when panoramic video encodes Image quality parameter carry out, therefore when video decodes, need to arrange choosing according to parameter during coding Select suitable decoder to be decoded.It is thus desirable to by figure picture element corresponding for the different objects that determine during coding Amount parameter carries out storing in corresponding configuration file, it is alternatively that a reference frame of decoder.
Further, as shown in Figure 4, device farther includes:
Cutting unit 35, for judging the genus of the different objects that panoramic picture comprises in panoramic video respectively Before property, panoramic picture is divided into zones of different, the corresponding different object of zones of different.
After obtaining panoramic video, in order to the information of the different significance levels in corresponding panoramic picture is carried out Distinguish, it is necessary first to panoramic picture is split, is divided into different regions, can basis during segmentation The coordinate points information of user's input is as the separation information of zones of different, and then irises out not for panoramic picture Same region;Or obtained the separation of zones of different by the input mode of grid mark according to user, And then iris out different regions for panoramic picture.The standard carrying out panoramic picture region segmentation time institute foundation is The corresponding different object in different regions.It should be noted that the information of different significance level refers to difference Object.
The device of the Video processing that the embodiment of the present invention provides, it is possible to first obtain panoramic video;Then, Judging the attribute of the different objects comprised in the panoramic picture comprised in this panoramic video respectively, this attribute is used In the core degree and the motion frequency that identify above-mentioned object;Finally, according to above-mentioned attribute be in panoramic picture not Same object arranges the image quality parameter of correspondence, to use corresponding image quality parameter to carry out image volume Code.Compared with prior art, the embodiment of the present invention can be according in the panoramic picture comprised in panoramic video Core degree and the movement rate of different objects arrange different image quality parameters and encode, and thus may be used To be further directed to need to select different picture quality to join according to the different attribute of object in panoramic picture Number, the highest shared space of usual image quality parameter is the biggest, and image quality parameter is according to different The Video coding mode that object dynamically changes to a certain extent can be in the picture quality ensureing important object In the case of reduce whole panoramic video memory space and and transmission time necessary flow size.
It should be noted that for the device of above-mentioned Video processing, every embodiment of the present invention uses and arrives The function of unit module can pass through hardware processor (hardware processor) and realize.
Additionally, the part that the most in other words prior art contributed of technical scheme or The part of this technical scheme can embody with the form of software product, and this computer software product stores In a storage medium, including some instructions with so that a computer equipment (can be individual's meter Calculation machine, server, or the network equipment etc.) perform the whole of method described in each embodiment of the present invention or Part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), The various medium that can store program code such as magnetic disc or CD.
Device embodiment described above is only schematically, wherein said illustrates as separating component Unit can be or may not be physically separate, the parts shown as unit can be or Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words Dividing and can embody with the form of software product, this computer software product can be stored in computer can Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it Limit;Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or Person carries out equivalent to wherein portion of techniques feature;And these amendments or replacement, do not make corresponding skill The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. the method for a Video processing, it is characterised in that described method includes:
Obtain panoramic video;
Judging the attribute of the different objects that panoramic picture comprises in described panoramic video respectively, described attribute is used Core degree and motion frequency in mark object;
The object being different in described panoramic picture according to described attribute arranges the image quality parameter of correspondence, To use corresponding image quality parameter to carry out Image Coding.
Method the most according to claim 1, it is characterised in that described judge described aphorama respectively The attribute of the different objects that panoramic picture comprises in Pin, including:
The attribute of object, described attribute specification is judged according to the propertiesdescription file that described panoramic video is corresponding In file, record has in described panoramic video the attribute information of all objects comprised;Or,
Attribute according to the different object of preset standard assessment.
Method the most according to claim 1, it is characterised in that described image quality parameter includes code Rate and frame per second, described be different in described panoramic picture according to described attribute object arrange correspondence image Mass parameter, including:
Arranging the code check corresponding with described core degree for different objects, described code check becomes with described core degree Direct ratio;And/or,
For different objects, the frame per second corresponding with described motion frequency, described frame per second and described motion frequency are set Rate is directly proportional.
Method the most according to claim 1, it is characterised in that described method farther includes:
Corresponding relation between described image quality parameter and different objects is saved in configuration file, So that selecting decoder with reference to described configuration file during image decoding.
Method the most according to claim 1, it is characterised in that judge described panorama respectively described In video before the attribute of the different objects that panoramic picture comprises, described method farther includes:
Described panoramic picture is divided into zones of different, the corresponding different object of zones of different.
6. the device of a Video processing, it is characterised in that described device includes:
Acquiring unit, is used for obtaining panoramic video;
Judging unit, for judging the genus of the different objects that panoramic picture comprises in described panoramic video respectively Property, described attribute is for identifying core degree and the motion frequency of object;
Unit is set, is used for arranging correspondence according to the object that described attribute is different in described panoramic picture Image quality parameter, to use corresponding image quality parameter to carry out Image Coding.
Device the most according to claim 6, it is characterised in that described judging unit includes:
Judge module, for judging the attribute of object according to the propertiesdescription file that described panoramic video is corresponding, In described propertiesdescription file, record has in described panoramic video the attribute information of all objects comprised;
Evaluation module, for the attribute according to the different object of preset standard assessment.
Device the most according to claim 6, it is characterised in that described image quality parameter includes code Rate and frame per second, described arrange unit, including:
First arranges module, for arranging the code check corresponding with described core degree for different objects, described Code check is directly proportional to described core degree;
Second arranges module, for arranging the frame per second corresponding with described motion frequency, institute for different objects State frame per second to be directly proportional to described motion frequency.
Device the most according to claim 6, it is characterised in that described device farther includes:
Storage unit, for preserving the corresponding relation between described image quality parameter and different objects In configuration file, so that selecting decoder with reference to described configuration file during image decoding.
Device the most according to claim 6, it is characterised in that described device farther includes:
Cutting unit, for right in the described difference judging that in described panoramic video, panoramic picture comprises respectively Before the attribute of elephant, described panoramic picture is divided into zones of different, the corresponding different object of zones of different.
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