CN103873780A - Video capture method and electronic equipment - Google Patents
Video capture method and electronic equipment Download PDFInfo
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- CN103873780A CN103873780A CN201210549827.9A CN201210549827A CN103873780A CN 103873780 A CN103873780 A CN 103873780A CN 201210549827 A CN201210549827 A CN 201210549827A CN 103873780 A CN103873780 A CN 103873780A
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Abstract
The invention discloses a video capture method and electronic equipment. The method is applied to the electronic equipment. The electronic equipment comprises a video camera. The method comprises the following steps that: when a first video in a preset area is captured by the video camera, a first image frame is obtained by using a first exposure mode in the first moment, a second image frame is obtained by using a second exposure mode in the second moment later than the first moment, and a third image frame is obtained by using the first exposure mode in the third moment later than the second moment, wherein the first exposure mode is not the same as the second exposure mode; a first combined frame is obtained at least one the basis of the first image frame and the second image frame, a second combined frame is obtained at least on the basis of the second image frame and the third image frame, and the first combined frame and the second combined frame are adjacent frames; a first video is obtained at least on the basis of the first combined frame and the second combined frame.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method and electronic equipment that gathers video.
Background technology
Along with scientific and technical development, electronic technology has also obtained development at full speed, and the kind of electronic product is also more and more, and people have also enjoyed the various facilities that development in science and technology brings.People can pass through various types of electronic equipments now, enjoy the comfortable life bringing along with development in science and technology.Such as, the electronic equipment such as digital camera or Digital Video has become not retrievable part in people's life, people can be by the fine drop in the electronic equipment record lives such as digital camera or Digital Video, and be shared with friend or keep oneself and watch, convenience very.
Such as, user is in a scenic spot tourism, can the own local beautiful landscape that passes through be recorded by a digital camera or Digital Video, and the video of recording is sent to friend or relatives, allow them share the intransit pleasurable sensation of user.
But the inventor realizing in the process of invention technical scheme in the embodiment of the present invention, finds that above-mentioned technology at least exists following technical problem:
The electronic equipment such as digital camera or Digital Video is in the process of capture video, due to electronic equipment capture video time, tolerance is limited, cannot reach the tolerance of human eye, so the true scenery that the video of shooting and human eye are seen there are differences, the video visual effect of shooting is not good, it is not that scenery in video looks true, scenery in video can not present the scenery that user sees truly, so exist the tolerance of electronic equipment limited, affected the quality of captured video.
Specifically, for: user is in the time taking the scenery in a region including white clouds and ater stone, because the light and shade difference of white clouds place subdomain and ater stone place subdomain is excessive, if using light meter to aim at maximum brightness exposes, also when first subdomain at the white clouds place in this region exposure, the first subdomain can be well arranged, details is clear, and second subdomain at ater stone place is due to outside the tolerance of electronic equipment, so under-exposed, thereby can cause the details of the second subdomain clear not, then affect the quality of video, if using light meter to aim at minimum brightness exposes, also when the ater stone in the second subdomain exposure, now the second subdomain can be well arranged, details is clear, and first subdomain at white clouds place is due to outside the tolerance of electronic equipment, so over-exposed, thus can cause the details of the first subdomain clear not, then affect the quality of video, if when another the middle subdomain of light and shade difference that uses light meter to aim at white clouds and ater stone exposes, equally can be due to the relation of the tolerance of electronic equipment, first subdomain at white clouds place can be over-exposed, and second subdomain at ater stone place can be under-exposed, all can there is details problem not clearly in two subdomains, then affect the quality of video.
Summary of the invention
The embodiment of the present invention is by providing a kind of method and electronic equipment that gathers video, and the tolerance that has solved the electronic equipment existing in prior art is limited, has affected the technical problem of the quality of captured video.
The embodiment of the present invention provides a kind of method that gathers video on the one hand, be applied to an electronic equipment, described electronic equipment comprises a camera head, described method comprises: in the time gathering the first video of a predeterminable area by described camera head, use the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that is later than described the first moment, use described the first exposure mode to obtain the 3rd picture frame in the 3rd moment that is later than described the second moment, wherein, described the first exposure mode is not identical with described the second exposure mode, at least, based on described the first picture frame and described the second picture frame, obtain the first combined frames, at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, described the first combined frames and described the second combined frames are consecutive frame, at least, based on described the first combined frames and described the second combined frames, obtain described the first video.
Alternatively, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the 3rd picture frame; Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame; Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, and described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region.
Alternatively, described acquisition the first combined frames, is specially: based on described first area and described second area, described the first picture frame and described the second picture frame are synthesized to described the first combined frames; Described acquisition the second combined frames, is specially: based on described second area and described the 3rd region, described the second picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
Alternatively, before described the 3rd moment that is being later than described the second moment is used the 3rd exposure mode acquisition the 3rd picture frame, described method also comprises: be later than described the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in described the 3rd moment, wherein, described the first exposure mode, described the second exposure mode and described the 3rd exposure mode are different between two; Described at least based on described the first picture frame and described the second picture frame, obtain the first combined frames, be specially: based on described the first picture frame, described the second picture frame and described the 4th picture frame, obtain described the first combined frames; Described at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, be specially: based on described the second picture frame, described the 4th picture frame and described the 3rd picture frame, obtain described the second combined frames.
Alternatively, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the 3rd picture frame;
Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame;
Under described the 3rd exposure mode, the four-range resolution detail in described the 4th picture frame is greater than the resolution detail in other regions except described the 4th region in described the 4th picture frame;
Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, described the second subdomain has at least a part not identical with the 4th subdomain of described the 4th corresponding described predeterminable area in region, described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region, and described the 3rd subdomain has at least a part not identical with described the 4th subdomain.
Alternatively, described acquisition the first combined frames, is specially: based on described first area, described second area and described the 4th region, described the first picture frame, described the second picture frame and described the 4th picture frame are synthesized to described the first combined frames;
Described acquisition the second combined frames, is specially: based on described second area, described the 4th region and described the 3rd region, described the second picture frame, described the 4th picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
The embodiment of the present invention provides a kind of electronic equipment on the other hand, and described electronic equipment comprises a camera head, and described electronic equipment also comprises: casing, one circuit board, is arranged in described casing, one processor, is arranged on described circuit board, is connected with described camera head, wherein, in the time gathering the first video of a predeterminable area by described camera head, described processor is used for controlling described camera head and uses the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that is later than described the first moment, use described the first exposure mode to obtain the 3rd picture frame in the 3rd moment that is later than described the second moment, wherein, described the first exposure mode is not identical with described the second exposure mode, and at least based on described the first picture frame and described the second picture frame, obtain the first combined frames, at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, described the first combined frames and described the second combined frames are consecutive frame, and at least based on described the first combined frames and described the second combined frames, obtain described the first video.
Alternatively, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the first picture frame; Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame; Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, and described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region.
Alternatively, described processor is specifically for based on described first area and described second area, described the first picture frame and described the second picture frame are synthesized to described the first combined frames, and based on described second area and described the 3rd region, described the second picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
Alternatively, described processor is specifically for being later than described the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in described the 3rd moment, wherein, described the first exposure mode, described the second exposure mode and described the 3rd exposure mode are different between two; Described processor, specifically for based on described the first picture frame, described the second picture frame and described the 4th picture frame, obtains described the first combined frames; Described processor, specifically for based on described the second picture frame, described the 4th picture frame and described the 3rd picture frame, obtains described the second combined frames.
Alternatively, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the first picture frame; Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame; Under described the 3rd exposure mode, the four-range resolution detail in described the 4th picture frame is greater than the resolution detail in other regions except described the 4th region in described the 4th picture frame; Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, described the second subdomain has at least a part not identical with the 4th subdomain of described the 4th corresponding described predeterminable area in region, described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region, and described the 3rd subdomain has at least a part not identical with described subdomain.
Alternatively, described processor specifically in described first area, described second area and described the 4th region, described the first picture frame, described the second picture frame and described the 4th picture frame are synthesized to described the first combined frames, and based on described second area, described the 4th region and described the 3rd region, described the second picture frame, described the 4th picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
The one or more technical schemes that provide in the embodiment of the present invention, at least have following technique effect or advantage:
1, obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, in the first combined frames, at least comprise details region clearly in the first picture frame and the second picture frame, at least obtain the second combined frames based on the second picture frame and the 3rd picture frame, in the second combined frames, also at least comprise details region clearly in the second picture frame and the 3rd picture frame, in like manner can obtain other frames, so the picture frame that in the combined frames obtaining, each frame is all obtained by two kinds of exposure modes is synthesized into, also be that each combined frames comprises details part clearly in the picture frame that every kind of exposure mode obtains, thereby improve the tolerance of electronic equipment, make the video of shooting more approach the true scenery that human eye is seen, visual experience while watching video is better.
2, obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, at least obtain the technical scheme of the second combined frames based on the second picture frame and the 3rd picture frame, and at least obtain the technical scheme of the first video based on the first combined frames and the second combined frames, so electronic equipment is in capture video, the number of image frames of record per second roughly can not change, and can not affect the smooth degree of captured video in the time playing.
Brief description of the drawings
The method flow diagram of the collection video that Fig. 1 provides for one embodiment of the invention;
The schematic diagram of collection the first video that Fig. 2 provides for one embodiment of the invention;
The schematic diagram of collection the first video that Fig. 3 provides for another embodiment of the present invention;
The functional block diagram of the electronic equipment that Fig. 4 provides for one embodiment of the invention.
Embodiment
Before the technical scheme of specifically introducing in the embodiment of the present application, in order to allow the application person of ordinary skill in the field can understand better the technical scheme in the embodiment of the present application, below, the technical problem existing in scheme of the prior art and prior art is described.Specific as follows:
Tolerance refers to that photosensitive material proportionally correctly records the ability of scenery brightness range, and specifically, subject surface is divided to the difference of dark-part by highlights, can represent with the proportional digital between light and shade.Suppose: the dark-part of the highlights proportion by subtraction of scenery will become clear 50 times, proportional digital between them is 1:50 so, the light and shade difference of Here it is scenery, so ability of the correct performance subject light and shade difference that photosensitive material has, be the tolerance of photosensitive material, conventionally also referred to as exposure latitude.
In actual applications, the tolerance of black and white film is 1:128 left and right, the tolerance of colour negative is in left and right, 1:32～64, the tolerance of colour reversal film is only 1: 16～32 left and right, the tolerance of printing paper is greatly about 1:30 left and right, owing to being subject to the hardware materials limitations of the electronic equipment such as digital camera or Digital Video, the tolerance (being again dynamic range) of the electronic equipment such as digital camera or Digital Video is less than the tolerance of film, cannot reach especially the tolerance of human eye, so the true scenery that the video of shooting and human eye are seen there are differences, the video visual effect of shooting is not good, it is not that scenery in video looks true, cannot record the true scenery that user sees.
For this reason, the embodiment of the present invention is by providing a kind of method and electronic equipment that gathers video, and the tolerance that has solved the electronic equipment existing in prior art is limited, has affected the technical problem of the quality of captured video.
Technical scheme in the embodiment of the present invention is that the tolerance of the above-mentioned electronic equipment of solution is limited, has affected the technical problem of the quality of captured video, and general thought is as follows:
First, in the time gathering the first video of a predeterminable area by the camera head of electronic equipment, use the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that was later than for the first moment, use the first exposure mode to obtain the 3rd picture frame in the 3rd moment that was later than for the second moment, wherein, the first exposure mode is not identical with the second exposure mode;
Then, at least based on the first picture frame and the second picture frame, obtain the first combined frames, at least based on the second picture frame and the 3rd picture frame, obtain the second combined frames, the first combined frames and the second combined frames are consecutive frame;
Finally, at least based on the first combined frames and the second combined frames, obtain the first video.
Obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, in the first combined frames, at least comprise details region clearly in the first picture frame and the second picture frame, at least obtain the second combined frames based on the second picture frame and the 3rd picture frame, in the second combined frames, also at least comprise details region clearly in the second picture frame and the 3rd picture frame, in like manner can obtain other frames, so the picture frame that in the combined frames obtaining, each frame is all obtained by two kinds of exposure modes is synthesized into, also be that each combined frames comprises details part clearly in the picture frame that every kind of exposure mode obtains, thereby improve the tolerance of electronic equipment, make the video of shooting more approach the true scenery that human eye is seen, visual experience while watching video is better.
Simultaneously, obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, at least obtain the technical scheme of the second combined frames based on the second picture frame and the 3rd picture frame, and at least obtain the technical scheme of the first video based on the first combined frames and the second combined frames, so electronic equipment is in capture video, the number of image frames of record per second roughly can not change, and can not affect the smooth degree of captured video in the time playing.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
The embodiment of the present invention provides a kind of method that gathers video, and the method is applied to an electronic equipment, and this electronic equipment comprises a camera head, in actual applications, this electronic equipment can be digital camera or Digital Video, can be also smart mobile phone, panel computer, and this is not restricted.
Please refer to Fig. 1, Fig. 1 is the method flow diagram of the collection video that provides of the embodiment of the present invention, and the method comprises:
S1: in the time gathering the first video of a predeterminable area by camera head, use the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that was later than for the first moment, use the first exposure mode to obtain the 3rd picture frame in the 3rd moment that was later than for the second moment, wherein, the first exposure mode is not identical with the second exposure mode;
S2: at least based on the first picture frame and the second picture frame, obtain the first combined frames, at least based on the second picture frame and the 3rd picture frame, obtain the second combined frames, the first combined frames and the second combined frames are consecutive frame;
S3: at least based on the first combined frames and the second combined frames, obtain the first video.
In ensuing part, only adopt the first exposure mode and the second exposure mode to gather the detailed process of the first video by introducing.
In step S1, use the first exposure mode to obtain the first picture frame in the first moment, can be to use highlight exposure pattern to obtain the first picture frame, also measure the maximum brightness in scenery selective light territory, use light meter highlight exposure point to aim at maximum brightness and expose, thereby obtain the first picture frame; Use the second exposure mode to obtain the second picture frame in the second moment that was later than for the first moment, can be to use shadow exposure pattern to obtain the second picture frame, also measure the minimum brightness in scenery selective light territory, use light meter shadow exposure point to aim at minimum brightness and expose, thereby obtain the second picture frame; Use the first exposure mode to obtain the 3rd picture frame in the 3rd moment that was later than for the second moment, can be to use highlight exposure pattern to obtain the 3rd picture frame, also measure the maximum brightness in scenery selective light territory, use light meter highlight exposure point to aim at maximum brightness and expose, thereby obtain the 3rd picture frame.
In concrete application, the scenery in the region taking shooting including white clouds and ater stone is as example, in using highlight exposure pattern to obtain the first picture frame, owing to having adopted highlight exposure pattern, so can only photograph the highlights stepped portion in selective light territory, it can be for example the region at white clouds place, other shades can be for example the regions at ater stone place, can be outside the efficient light territory of electronic equipment, also be that the electronic equipment such as digital camera or Digital Video is in adopting highlight exposure pattern, due to the hardware constraints of electronic equipment, photosensitive material can not Obtaining Accurate to the bright-dark degree of shade, so predeterminable area is also that the hi-lite in shooting area can be well arranged, details is clear, and shade in predeterminable area can be because under-exposed, thereby the level of this shade can be clearly demarcated not, also can seem very fuzzy of details, look will be black a slice, also under the first exposure mode, first area in the first picture frame can be for example the high-brightness region at white clouds place, resolution detail can be greater than the resolution detail in other regions except first area in the first picture frame, in like manner, the 3rd region in the 3rd picture frame can be for example the region at white clouds place, resolution detail can be greater than the resolution detail in other regions except the 3rd region in the 3rd picture frame.
In using shadow exposure pattern to obtain the second picture frame, owing to having adopted shadow exposure pattern, so the dark portion stepped portion that can only photograph in selective light territory can be for example the region at ater stone place, other highlighted parts can be for example the regions at white clouds place, outside the efficient light territory of electronic equipment, also be that the electronic equipment such as digital camera or Digital Video is in adopting highlight exposure pattern, due to the hardware constraints of electronic equipment, photosensitive material can not Obtaining Accurate to the bright-dark degree of highlighted part, so predeterminable area is also that the shade in shooting area can be well arranged, details is clear, and highlighted part in predeterminable area can be because over-exposed, thereby this highlighted part level can be unintelligible, look and will turn white, scared, can seem very fuzzy of details, also under the second exposure mode, second area in the second picture frame can be for example the region at ater stone place, resolution detail can be greater than the resolution detail in other regions except second area in the second picture frame.
Can find out from above-mentioned part, under the first exposure mode, first area in the first picture frame is for example the region at white clouds place, its resolution detail is greater than the resolution detail in other regions except first area in the first picture frame, the 3rd region in the 3rd picture frame is for example the region at white clouds place, and its resolution detail is greater than the resolution detail in other regions except the 3rd region in the 3rd picture frame; Under the second exposure mode, the second area in the second picture frame is for example the region at ater stone place, and its resolution detail is greater than the resolution detail in other regions except second area in the second picture frame; Wherein, corresponding the first subdomain of predeterminable area in first area and the second subdomain of the corresponding predeterminable area of second area have at least a part not identical, and the second subdomain has at least a part not identical with the 3rd subdomain of the 3rd corresponding predeterminable area in region.
In step S2, obtain the first combined frames, specifically, can be based on first area and second area, the first picture frame and the second picture frame are synthesized to the first combined frames; Obtaining the second combined frames, specifically, can be based on second area and the 3rd region, and the second picture frame and the 3rd picture frame are synthesized to the second combined frames.
In concrete application, based on first area and second area, the first picture frame and the second picture frame are synthesized to the first combined frames, specifically, because in step S1, the resolution detail of the first area in the first picture frame is greater than the resolution detail in other regions except first area in the first picture frame, the resolution detail of the second area in the second picture frame is greater than the resolution detail in other regions except second area in the second picture frame simultaneously, so the first picture frame and the second picture frame are synthesized after the first combined frames, first area in the first combined frames can be for example the region at white clouds place, will present the resolution detail of the first area in the first picture frame, second area in the first combined frames can be for example the region at ater stone place, will present the resolution detail of the second area in the second picture frame, that is to say, in the first combined frames, combine in the first picture frame with the second picture frame in the higher region of resolution detail, so compared with the frame of video of the first combined frames and captured video in prior art, highlighted part all has well arranged with shade, details is feature clearly, therefore the first combined frames seen true scenery of can being more close to the users.
In like manner, the second combined frames obtaining in step S2 combine in the second picture frame with the 3rd picture frame in the higher region of resolution detail, so compared with the frame of video of the second combined frames and captured video in prior art, highlighted part all has well arranged with shade, details is feature clearly, therefore the second combined frames seen true scenery of can being more close to the users.
Certainly, should be noted that, after electronic equipment obtains the first picture frame and the second picture frame, can carry out in step S2 obtaining based on the first picture frame and the second picture frame the step of the first combined frames, after electronic equipment obtains the 3rd picture frame, can carry out in step S2 obtaining based on the second picture frame and the 3rd picture frame the step of the second combined frames, this is the scheme that those skilled in the art can use in actual applications, this scheme does not depart from the spirit and scope of the present invention, therefore, claims are intended to be interpreted as including all preferred embodiments this scheme and fall into all changes and the amendment of the scope of the invention.
In step S3, at least based on the first combined frames and the second combined frames, obtain the first video, please refer to Fig. 2, Fig. 2 is the schematic diagram of collection the first video of providing of the present embodiment, as shown in Figure 2, the first picture frame 201 and the second picture frame 202 that uses the second exposure mode to obtain that use the first exposure mode to obtain synthesize the first combined frames, the second picture frame 202 and the 3rd picture frame 203 that uses the first exposure mode to obtain that use the second exposure mode to obtain synthesize the second combined frames, by that analogy, N picture frame 204 and N+1 picture frame 205 synthesize N combined frames, this N combined frames is combined and play continuously, just can obtain the first video, frame number has only reduced by a frame with respect to whole video, therefore the fluency of captured video can not be affected, because each frame middle light details of composition the first video is all very high with the definition of dark portion details, so compared with prior art, the first video seen true scenery of can being more close to the users.
Can find out by above-mentioned part, obtain the first combined frames owing to having adopted based on the first picture frame and the second picture frame, obtain the technical scheme of the second combined frames based on the second picture frame and the 3rd picture frame, so the picture frame that in the combined frames obtaining, each frame is all obtained by two kinds of exposure modes is synthesized into, also be that each combined frames comprises details part clearly in the picture frame that every kind of exposure mode obtains, thereby improve the tolerance of electronic equipment, make the video of shooting more approach the true scenery that human eye is seen, the visual experience while watching video is better.
Simultaneously, obtain the first combined frames owing to having adopted based on the first picture frame and the second picture frame, obtain the technical scheme of the second combined frames based on the second picture frame and the 3rd picture frame, and at least obtain the technical scheme of the first video based on the first combined frames and the second combined frames, so electronic equipment is in capture video, the number of image frames of record per second roughly can not change, and can not affect the smooth degree of captured video in the time playing.
It is highlight exposure pattern that aforementioned part has been introduced at the first exposure mode, when the second exposure mode is shadow exposure pattern, the specific implementation process of the method for the collection video that the present embodiment provides, in actual applications, the first exposure mode and the second exposure mode can be respectively the exposure mode of the exposure mode of normal exposure amount+1 grade and normal exposure amount-1 grade, certainly, those skilled in the art also can be according to actual conditions, adopt other exposure modes, for example the first exposure mode is normal exposure, the second exposure mode is normal exposure+1 grade or multistage, normal exposure pattern-1 grade or multistage etc., to meet the demand of actual conditions, just repeat no more at this.
Above-described embodiment has been introduced the detailed process that only adopts the first exposure mode and the second exposure mode to gather the first video, in ensuing embodiment, the detailed process that adopts the first exposure mode, the second exposure mode and the 3rd exposure mode to gather the first video will be introduced.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of acquisition the first video of providing of the present embodiment, before the 3rd moment that was later than for the second moment is used the 3rd exposure mode acquisition the 3rd picture frame, the method also comprises: be later than for the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in the 3rd moment, wherein, the first exposure mode, the second exposure mode and the 3rd exposure mode are different between two.
In the present embodiment, the first exposure mode can be highlight exposure pattern, the second exposure mode can be normal exposure pattern, the 3rd exposure mode can be shadow exposure pattern, equally taking the scenery of taking the region including white clouds and ater stone as example, in step S1, under highlight exposure pattern, highlights stepped portion in the first picture frame, the first area that is for example white clouds place can be well arranged, details is clear, and resolution detail can be greater than the resolution detail in other regions in the first picture frame, under normal exposure pattern, region in the second picture frame between highlights stepped portion and dark portion stepped portion, the second area that can be for example light woods place can be well arranged, details is clear, and resolution detail can be greater than the resolution detail in other regions in the second picture frame, under shadow exposure pattern, dark portion stepped portion in the 4th picture frame, the 4th region that is for example ater stone place can be well arranged, details is clear, and resolution detail can be greater than the resolution detail in other regions in the 4th picture frame.
Therefore, in step S2, at least based on the first picture frame and the second picture frame, obtaining the first combined frames, in the present embodiment, can be based on the first picture frame, the second picture frame and the 4th picture frame, obtain the first combined frames, in concrete application, can be based on first area, second area and the 4th region, the first picture frame, the second picture frame and the 4th picture frame are synthesized to the first combined frames; In like manner, at least based on the second picture frame and the 3rd picture frame, obtain the second combined frames, in the present embodiment, can be based on the second picture frame, the 4th picture frame and the 3rd picture frame, obtain the second combined frames, in concrete application, can be based on second area, the 4th region and the 3rd region, the second picture frame, the 4th picture frame and the 3rd picture frame are synthesized to the second combined frames.
In concrete application, owing to being based on the first picture frame, the second picture frame and the 4th picture frame, obtain the first combined frames, so first area at the white clouds place in the first combined frames, the second area at light color woods place, the four-range resolution detail at ater stone place is all very high, in like manner, the 3rd region at the white clouds place in the second combined frames, the second area at light color woods place, the four-range resolution detail at ater stone place is also all very high, therefore the first combined frames and the second combined frames the seen true scenery of can being more close to the users.
In step S3, as shown in Figure 3, the first picture frame 301, the second picture frame 302 and the 4th picture frame 304 synthesize the first combined frames, the second picture frame 302, the 4th picture frame 304 and the 3rd picture frame 303 synthesize the second combined frames, by that analogy, N picture frame 305, N+1 picture frame 306 and N+2 picture frame 307 synthesize N combined frames, this N combined frames is combined and play continuously, just can obtain the first video, frame number has only reduced by two frames with respect to whole video, therefore the fluency of captured video can not be affected, due to each frame middle light details of composition the first video, the details of bright dark mid portion, the definition of dark portion details is all very high, so compared with prior art, the first video seen true scenery of can being more close to the users.
Can find out by above-mentioned part, owing to having adopted based on the first picture frame, the second picture frame and the 4th picture frame obtain the first combined frames, based on the second picture frame, the 4th picture frame and the 3rd picture frame obtain the technical scheme of the second combined frames, so the picture frame that in the combined frames obtaining, each frame is all obtained by three kinds of exposure modes is synthesized into, also be that each combined frames comprises details part clearly in the picture frame that every kind of exposure mode obtains, thereby improve the tolerance of electronic equipment, make the video of shooting more approach the true scenery that human eye is seen, visual experience while watching video is better.
Simultaneously, obtain the first combined frames owing to having adopted based on the first picture frame, the second picture frame and the 4th picture frame, obtain the second combined frames based on the second picture frame, the 4th picture frame and the 3rd picture frame, and at least obtain the technical scheme of the first video based on the first combined frames and the second combined frames, so the electronic equipment such as digital camera or Digital Video is in capture video, the number of image frames of record per second roughly can not change, and can not affect the smooth degree of captured video in the time playing.
Above-described embodiment has been introduced the detailed process that adopts the first exposure mode, the second exposure mode and the 3rd exposure mode to gather the first video, in actual applications, those skilled in the art can also be according to actual conditions, adopt three kinds of above exposure modes to gather the first video, to meet the demand of actual conditions, just repeat no more at this.
The embodiment of the present invention also provides a kind of electronic equipment on the other hand, and in actual applications, this electronic equipment can be digital camera or Digital Video, can be also smart mobile phone, panel computer, and this is not restricted.
Please refer to Fig. 4, Fig. 4 is the functional block diagram of the electronic equipment that provides of the embodiment of the present invention, and this electronic equipment comprises a camera head 404, and this electronic equipment comprises: casing 401, circuit board 402, is arranged in casing 401, processor 403, is arranged on circuit board 402, is connected with camera head 404, wherein, in the time gathering the first video of a predeterminable area by camera head 404, processor 403 uses the first exposure mode to obtain the first picture frame for controlling camera head 404 in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that was later than for the first moment, use the first exposure mode to obtain the 3rd picture frame in the 3rd moment that was later than for the second moment, wherein, the first exposure mode is not identical with the second exposure mode, and at least based on the first picture frame and the second picture frame, obtain the first combined frames, at least based on the second picture frame and the 3rd picture frame, obtain the second combined frames, the first combined frames and the second combined frames are consecutive frame, and at least based on the first combined frames and the second combined frames, obtain the first video.
In specific implementation process, under the first exposure mode, the resolution detail of the first area in the first picture frame is greater than the resolution detail in other regions except first area in the first picture frame, and the resolution detail in the 3rd region in the 3rd picture frame is greater than the resolution detail in other regions except the 3rd region in the first picture frame; Under the second exposure mode, the resolution detail of the second area in the second picture frame is greater than the resolution detail in other regions except second area in the second picture frame; Wherein, corresponding the first subdomain of predeterminable area in first area and the second subdomain of the corresponding predeterminable area of second area have at least a part not identical, and the second subdomain has at least a part not identical with the 3rd subdomain of the 3rd corresponding predeterminable area in region.
In specific implementation process, processor 403 is specifically for based on first area and second area, the first picture frame and the second picture frame are synthesized to the first combined frames, and based on second area and the 3rd region, the second picture frame and the 3rd picture frame are synthesized to the second combined frames.
In specific implementation process, processor 403 is specifically for being later than for the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in the 3rd moment, wherein, the first exposure mode, the second exposure mode and the 3rd exposure mode are different between two; Processor 403, specifically for based on the first picture frame, the second picture frame and the 4th picture frame, obtains the first combined frames; Processor 403, specifically for based on the second picture frame, the 4th picture frame and the 3rd picture frame, obtains the second combined frames.
In specific implementation process, under the first exposure mode, the resolution detail of the first area in the first picture frame is greater than the resolution detail in other regions except first area in the first picture frame, and the resolution detail in the 3rd region in the 3rd picture frame is greater than the resolution detail in other regions except the 3rd region in the first picture frame; Under the second exposure mode, the resolution detail of the second area in the second picture frame is greater than the resolution detail in other regions except second area in the second picture frame; Under the 3rd exposure mode, the four-range resolution detail in the 4th picture frame is greater than the resolution detail in other regions except the 4th region in the 4th picture frame; Wherein, corresponding the first subdomain of predeterminable area in first area and the second subdomain of the corresponding predeterminable area of second area have at least a part not identical, the second subdomain has at least a part not identical with the 4th subdomain of the 4th corresponding predeterminable area in region, the second subdomain has at least a part not identical with the 3rd subdomain of the 3rd corresponding predeterminable area in region, and the 3rd subdomain has at least a part not identical with the 4th subdomain.
In specific implementation process, processor 403 is specifically for based on first area, second area and the 4th region, the first picture frame, the second picture frame and the 4th picture frame are synthesized to the first combined frames, and based on second area, the 4th region and the 3rd region, the second picture frame, the 4th picture frame and the 3rd picture frame are synthesized to the second combined frames.
The method of the collection video in electronic equipment and previous embodiment in the present embodiment is two aspects based under same inventive concept, above, the implementation process to method has been done detailed description, so those skilled in the art can be according to structure and the implementation process of the electronic equipment in aforementioned understanding the present embodiment being described clearly, succinct for specification, has just repeated no more at this.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
1, obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, in the first combined frames, at least comprise details region clearly in the first picture frame and the second picture frame, at least obtain the second combined frames based on the second picture frame and the 3rd picture frame, in the second combined frames, also at least comprise details region clearly in the second picture frame and the 3rd picture frame, in like manner can obtain other frames, so the picture frame that in the combined frames obtaining, each frame is all obtained by two kinds of exposure modes is synthesized into, also be that each combined frames comprises details part clearly in the picture frame that every kind of exposure mode obtains, thereby improve the tolerance of electronic equipment, make the video of shooting more approach the true scenery that human eye is seen, visual experience while watching video is better.
2, obtain the first combined frames owing to having adopted at least based on the first picture frame and the second picture frame, at least obtain the technical scheme of the second combined frames based on the second picture frame and the 3rd picture frame, and at least obtain the technical scheme of the first video based on the first combined frames and the second combined frames, so electronic equipment is in capture video, the number of image frames of record per second roughly can not change, and can not affect the smooth degree of captured video in the time playing.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. gather a method for video, be applied to an electronic equipment, described electronic equipment comprises a camera head, it is characterized in that, described method comprises:
In the time gathering the first video of a predeterminable area by described camera head, use the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that is later than described the first moment, use described the first exposure mode to obtain the 3rd picture frame in the 3rd moment that is later than described the second moment, wherein, described the first exposure mode is not identical with described the second exposure mode;
At least, based on described the first picture frame and described the second picture frame, obtain the first combined frames, at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, described the first combined frames and described the second combined frames are consecutive frame;
At least, based on described the first combined frames and described the second combined frames, obtain described the first video.
2. the method for claim 1, is characterized in that,
Under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the 3rd picture frame;
Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame;
Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, and described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region.
3. method as claimed in claim 2, is characterized in that,
Described acquisition the first combined frames, is specially: based on described first area and described second area, described the first picture frame and described the second picture frame are synthesized to described the first combined frames;
Described acquisition the second combined frames, is specially: based on described second area and described the 3rd region, described the second picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
4. the method for claim 1, is characterized in that, before described the 3rd moment that is being later than described the second moment is used the 3rd exposure mode acquisition the 3rd picture frame, described method also comprises:
Be later than described the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in described the 3rd moment, wherein, described the first exposure mode, described the second exposure mode and described the 3rd exposure mode are different between two;
Described at least based on described the first picture frame and described the second picture frame, obtain the first combined frames, be specially: based on described the first picture frame, described the second picture frame and described the 4th picture frame, obtain described the first combined frames;
Described at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, be specially: based on described the second picture frame, described the 4th picture frame and described the 3rd picture frame, obtain described the second combined frames.
5. method as claimed in claim 4, is characterized in that,
Under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the 3rd picture frame;
Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame;
Under described the 3rd exposure mode, the four-range resolution detail in described the 4th picture frame is greater than the resolution detail in other regions except described the 4th region in described the 4th picture frame;
Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, described the second subdomain has at least a part not identical with the 4th subdomain of described the 4th corresponding described predeterminable area in region, described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region, and described the 3rd subdomain has at least a part not identical with described the 4th subdomain.
6. method as claimed in claim 5, is characterized in that,
Described acquisition the first combined frames, is specially: based on described first area, described second area and described the 4th region, described the first picture frame, described the second picture frame and described the 4th picture frame are synthesized to described the first combined frames;
Described acquisition the second combined frames, is specially: based on described second area, described the 4th region and described the 3rd region, described the second picture frame, described the 4th picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
7. an electronic equipment, described electronic equipment comprises a camera head, it is characterized in that, described electronic equipment also comprises:
Casing;
One circuit board, is arranged in described casing;
One processor, is arranged on described circuit board, is connected with described camera head;
Wherein, in the time gathering the first video of a predeterminable area by described camera head, described processor is used for controlling described camera head and uses the first exposure mode to obtain the first picture frame in the first moment, use the second exposure mode to obtain the second picture frame in the second moment that is later than described the first moment, use described the first exposure mode to obtain the 3rd picture frame in the 3rd moment that is later than described the second moment, wherein, described the first exposure mode is not identical with described the second exposure mode, and at least based on described the first picture frame and described the second picture frame, obtain the first combined frames, at least based on described the second picture frame and described the 3rd picture frame, obtain the second combined frames, described the first combined frames and described the second combined frames are consecutive frame, and at least based on described the first combined frames and described the second combined frames, obtain described the first video.
8. electronic equipment as claimed in claim 7, it is characterized in that, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the first picture frame; Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame; Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, and described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region.
9. electronic equipment as claimed in claim 8, it is characterized in that, described processor is specifically for based on described first area and described second area, described the first picture frame and described the second picture frame are synthesized to described the first combined frames, and based on described second area and described the 3rd region, described the second picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
10. electronic equipment as claimed in claim 7, it is characterized in that, described processor is specifically for being later than described the second moment, obtaining the 4th picture frame early than the 4th moment use the 3rd exposure mode in described the 3rd moment, wherein, described the first exposure mode, described the second exposure mode and described the 3rd exposure mode are different between two;
Described processor, specifically for based on described the first picture frame, described the second picture frame and described the 4th picture frame, obtains described the first combined frames;
Described processor, specifically for based on described the second picture frame, described the 4th picture frame and described the 3rd picture frame, obtains described the second combined frames.
11. electronic equipments as claimed in claim 10, it is characterized in that, under described the first exposure mode, the resolution detail of the first area in described the first picture frame is greater than the resolution detail in other regions except described first area in described the first picture frame, and the resolution detail in the 3rd region in described the 3rd picture frame is greater than the resolution detail in other regions except described the 3rd region in described the first picture frame; Under described the second exposure mode, the resolution detail of the second area in described the second picture frame is greater than the resolution detail in other regions except described second area in described the second picture frame; Under described the 3rd exposure mode, the four-range resolution detail in described the 4th picture frame is greater than the resolution detail in other regions except described the 4th region in described the 4th picture frame; Wherein, the first subdomain of the corresponding described predeterminable area in described first area has at least a part not identical with the second subdomain of the corresponding described predeterminable area of described second area, described the second subdomain has at least a part not identical with the 4th subdomain of described the 4th corresponding described predeterminable area in region, described the second subdomain has at least a part not identical with the 3rd subdomain of described the 3rd corresponding described predeterminable area in region, and described the 3rd subdomain has at least a part not identical with described subdomain.
12. electronic equipments as claimed in claim 11, it is characterized in that, described processor specifically in described first area, described second area and described the 4th region, described the first picture frame, described the second picture frame and described the 4th picture frame are synthesized to described the first combined frames, and based on described second area, described the 4th region and described the 3rd region, described the second picture frame, described the 4th picture frame and described the 3rd picture frame are synthesized to described the second combined frames.
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