CN104869294A - Photographing device and photographing method - Google Patents
Photographing device and photographing method Download PDFInfo
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- CN104869294A CN104869294A CN201510278287.9A CN201510278287A CN104869294A CN 104869294 A CN104869294 A CN 104869294A CN 201510278287 A CN201510278287 A CN 201510278287A CN 104869294 A CN104869294 A CN 104869294A
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Abstract
The purpose of the invention is to provide a photographing device and photographing method for several times of shooting in moving direction and opposite direction of photographer. When the photographer carries the photo graphing device and in the scene of moving and shooting, whether the shot image can be combined can be judged, so that whether the simple sequence photography is applied changes to reappear can be decided. The photographing device comprises: an imaging part which can apply several times of photographing; a face detection part which can detect the face of the photographer in the catched photographic picture by the imaging part; and a warning part which can judge whether the photographic picture compirses the upper part background of the photographer in the imaging picture according to the detection result of the face detection part, and to warn.
Description
The divisional application of the application's to be application number be application for a patent for invention (applying date: on 05 16th, 2012, denomination of invention: Images uniting display unit, image composition display method and photographic equipment) of 201210152747.X.
Technical field
The present invention relates to Images uniting display unit, image composition display method and photographic equipment, in particular to carrying out reproducing the Images uniting display unit of display, image composition display method and photographic equipment by lantern slide or the dynamic image digital picture to the dynamic image taken with the camera such as digital camera or video camera or continuous shooting.
Background technology
In recent years, the photography of digital picture and the technology of image procossing improve, and the border of digital camera and video camera disappears, and processes a large amount of images and becomes easy.In addition, in the past, carry out digitlization as cameras such as the cameras carrying out merely the stage property taken to picture signal, the data transmit-receive between personal computer and the multiple equipment taking television set as representative becomes simple.
When supposing to carry out with so various reproducers the state reproduced, require the effective rendering being applicable to each reproducer, but equipment in the past generally directly reproduces to the image of shooting.Therefore, often become dull image, and be not necessarily adapted at utilizing the transcribers such as TV to reproduce in face of more appreciator.As a result, have image being put into the situation cannot appreciating photographs under the state in camera.
[patent documentation 1] Japanese Unexamined Patent Publication 2004-147046
Therefore, there is the motion that will utilize various supplementary displaying chart picture galore when appreciating.In Japanese Unexamined Patent Publication 2004-147046, the face of self can be taken with the first camera, and take the landscape self seen with the second camera, both are taken simultaneously.In addition, also there is the motion of synthesizing each image photographed with the first camera and the second camera.
But according to above-mentioned patent documentation, the image of the cameraman photographed with the first camera self only merely shows holds self of camera, lacks change and presence.
Summary of the invention
The present invention completes just in light of this situation, object is to provide a kind of Images uniting display unit, image composition display method and photographic equipment, holding photographic equipment, move while under carrying out the scene of taking, the appearance of simple chronophotography person, can also easily show appearance that cameraman moves and from away from position carry out the appearance of taking.
In order to achieve the above object, the Images uniting display unit of the 1st aspect, it is characterized in that, have: can detection unit be synthesized, can it carry out synthesizing judgement, can synthesize in judgement, judge can repeatedly carry out the photography in the direction contrary with the moving direction of cameraman successively and in multiple images of obtaining as before the 1st image down of image taken, be synthesized on the 2nd image as the image taken afterwards; And Images uniting portion, the composograph part that its downscaled images of carrying out obtaining reducing described 1st image overlaps onto described 2nd image generating composograph generates.
In order to achieve the above object, the feature of the Images uniting display unit of the 2nd aspect is, describedly can synthesize detection unit and described composograph can be set to described 1st image by described Images uniting portion, the image taken after described 2nd image is set to described 2nd image, repeats and judge and the generation of described composograph described can synthesis.
In order to achieve the above object, in the Images uniting display unit of the 3rd invention, it is characterized in that, can can the described detection unit that synthesize compare the background portion except a described part of the periphery of described downscaled images and described 2nd image, whether had continuity to judge be synthesized by the background portion of the periphery and described 2nd image that judge described downscaled images.
In order to achieve the above object, the Images uniting display unit of the 4th aspect, it is characterized in that, described Images uniting portion makes the periphery of described downscaled images be connected continuously at the boundary line of the shade in the direction on this border of leap at the boundary portion place of Images uniting with the background portion of described 2nd image, synthesizes described downscaled images and described 2nd image.
In order to achieve the above object, the Images uniting display unit of the 5th aspect, is characterized in that, a described part for described 2nd image is the part of face of cameraman of having beated in.
In order to achieve the above object, the Images uniting display unit of the 6th aspect, is characterized in that, a described part for described 2nd image is the central portion of described 2nd image.
In order to achieve the above object, the Images uniting display unit of the 7th aspect, is characterized in that, this Images uniting display unit has the picture pick-up device of the photography repeatedly carrying out the direction contrary with the moving direction of cameraman successively.
In order to achieve the above object, the Images uniting display unit of the 8th aspect, is characterized in that, described Images uniting display unit has: facial test section, and it detects the facial positions in the photographic picture acquired by above-mentioned picture pick-up device; And warning portion, its testing result according to above-mentioned facial test section is warned, so that above-mentioned photographic equipment is put correct position.
In order to achieve the above object, the Images uniting display unit of the 9th aspect, is characterized in that, above-mentioned warning portion according to carry out above-mentioned mobile time the interval of photography of carrying out, determine the correct position of above-mentioned photographic equipment.
In order to achieve the above object, the Images uniting display unit of the 10th aspect, is characterized in that, above-mentioned warning portion determines the correct position of above-mentioned photographic equipment according to above-mentioned downscaled images.
In order to achieve the above object, the Images uniting display unit of the 11st aspect, it is characterized in that, this Images uniting display unit has the acceleration transducer detected the vibration being applied to described photographic equipment, and according to the testing result of described acceleration transducer determine carry out above-mentioned mobile time the interval of photography of carrying out.
In order to achieve the above object, the Images uniting display unit of the 12nd aspect, it is characterized in that, adopt advance by the facial width of cameraman, image from described photographic equipment to the distance that the angle of visual field of the distance of described face and described photographic equipment obtains for the synthesis of.
In order to achieve the above object, the Images uniting display unit of the 13rd aspect, it is characterized in that, set the facial width of cameraman as Wf, from described photographic equipment to the distance of above-mentioned face be D1, the half angle of the angle of visual field of described photographic equipment be Θ time, image when adopting the D3 advancing and obtain according to the D2 that obtains in following formula for the synthesis of
(D3＝D2－D1)
W1=2D1tan Θ (formula 1)
R=Wf/ (2D1tan Θ) (formula 2)
W1=2D2tan Θ (formula 3)
W1/W2=D1/D2 (formula 4).
In order to achieve the above object, the image composition display method of the 14th aspect, it is characterized in that, in multiple images that can judgement repeatedly be carried out the photography in the direction contrary with the moving direction of cameraman successively and obtain as before the 1st image down of image taken, be synthesized on the 2nd image as the image taken afterwards, the part downscaled images obtained after reducing described 1st image being overlapped onto described 2nd image generates composograph.
In order to achieve the above object, the photographic equipment of the 15th aspect, it is characterized in that, have: image pickup part, it, can carry out the mode the 1st photographs being reduced the composograph generation overlapping part being synthesized to the 2nd photographs of the downscaled images obtained generating composograph, repeatedly carries out the photography in the direction contrary with the moving direction of cameraman successively; Detection unit can be synthesized, can it carry out synthesizing judgement, can synthesizing in judgement, judging above-mentionedly repeatedly to take in the multiple images obtained by carrying out, above-mentioned 1st image as the image taken before and above-mentioned 2nd Images uniting as the image taken afterwards.
In order to achieve the above object, the photographic equipment of the 16th aspect, is characterized in that, can this synthesize the judgement synthesis be not limited to based on image and judge, also can judge according to the change of photographs, can also judge according to cameraman's scheduled volume that whether moved.
In order to achieve the above object, the camera repeatedly carrying out the moving direction of cameraman and the photography in the direction contrary with this moving direction of the 17th aspect, it is characterized in that, this camera has: image pickup part, and it carries out described photography repeatedly successively; Face test section, it detects the facial positions of the cameraman in the photographic picture acquired by this image pickup part; And warning portion, its testing result according to this facial test section judges the background whether in photographic picture with cameraman top, and warns.
In order to achieve the above object, the method for imaging repeatedly carrying out the moving direction of cameraman and the photography in the direction contrary with this moving direction of the 18th aspect, it is characterized in that, this method for imaging comprises: carry out photography repeatedly successively; The facial positions of the cameraman in the photographic picture obtain photography detects; And judge the background whether in photographic picture with cameraman top according to testing result, and warn.
According to the present invention, can provide can easily with the Images uniting display unit, image composition display method and the camera that alternatively show mobile appearance of coming etc. in a kind of photography overleaf.
Accompanying drawing explanation
Fig. 1 is the block diagram of the structure that photographic equipment of the present invention is shown.
Fig. 2 illustrates the outside drawing of photographic equipment of the present invention, and (a) is the stereoscopic figure observed from front, and (b) is the stereoscopic figure observed from dorsal view.
Fig. 3 is the figure that method for imaging of the present invention is shown.
Fig. 4 shows the figure of the consecutive image obtained with the photographies on the back portion of photographic equipment of the present invention.
Fig. 5 is the key diagram consecutive image obtained with the photographies on the back portion of photographic equipment of the present invention being added to man-hour.
Fig. 6 is the figure for the position relationship of photographic equipment of the present invention and cameraman is described together with the photography angle of visual field.
Fig. 7 moves while the figure of change of camera coverage when taking for illustration of holding photographic equipment of the present invention.
Fig. 8 is the example of the flow chart that photographic equipment of the present invention performs when photographing overleaf.
Fig. 9 shows the example of the flow chart of the subroutine of the flow process performed when photographic equipment of the present invention is photographed overleaf.
Figure 10 shows the example of the flow chart of the subroutine that display device of the present invention performs when compound display.
Label declaration
1: signal transacting & control part; 1a: facial test section; 1b: warning portion; 1c: image down portion; 1d: blotter portion; 1e: combining unit; 1f: synthesis detection unit; 2: image pickup part; 3: acceleration transducer; 4: recording unit; 5: photographies on the back portion; 6: operating portion; 8: display part; 10: photographic equipment; 11: cameraman.
Embodiment
Below, apply camera of the present invention according to accompanying drawing use to be described preferred implementation.Camera of the present invention has to obtain the image of cameraman the image pickup part can taking camera rear, and the view data starting above-mentioned photography according to the operation of release-push etc. obtains, and by this view data blotter in recording medium.The face of cameraman is in the central portion of the photographs of this blotter, can determine whether to synthesize with the background portion of the image of front and back.The synthesis of this background portion can be utilized to obtain for above-mentioned cameraman just like cameraman moves such image in background image.
Fig. 1 is the block diagram of the structure of the photographic equipment that the 1st execution mode of the present invention is shown, photographic equipment 10 is shooting subject and obtains the digital camera of image.Photographic equipment 10, except front image pickup part 2, also has the display part 8 carrying out the back side image pickup part 5 of photographies on the back, the recording unit 4 of photographs and show photographs etc.In addition, in order to classify to captured view data, or determine condition when photographing, possess the acceleration transducer that the acceleration being applied to camera is detected, and possessing the information of clock 7 for date of acquisition, moment.In addition, the picture signal obtained by image pickup part 2,5 can carry out image procossing by the signal processing part performed in the control part 1 of process sequence, and carry out showing, record.As this signal transacting, there are facial test section 1a, reduction section 1c, blotter portion 1d, combining unit 1e, detection unit (synthesis detection unit) 1f etc. can be synthesized.In addition, warning portion 1b is formed in control part, carries out warning display etc. as required, warn cameraman in display part 8 grade.
Assuming that image pickup part 2 and back side image pickup part 5 are made up of phtographic lens and imaging apparatus, shot object image is converted to the signal of telecommunication, and is undertaken processing by signal processing part and become view data.Assuming that before main body image pickup part 2 being configured in photographic equipment 10, back side image pickup part 5 is configured in the back side contrary with it.Certainly, in order to an image pickup part can optionally take front or rear, also can have the mechanical structure of to rotate in the horizontal direction or perpendicularly centered by axle etc., not to above, the specific image pickup part allocation position such as the back side limits.That is, also can not prepare two image pickup parts, and an image pickup part is arranged to can rotate to make image pickup part optionally towards front or the rear of the main body of photographic equipment 10.Now, image pickup part toward the front time mainly can take subject, towards the face mainly can taking cameraman during rear.In addition, the phtographic lens of the image pickup part 5 at the back side only can take the part of the personage in photography when the angle of visual field is narrower, therefore in order to enter more image in shooting background portion, preferably makes as the angle of visual field is wider.In addition, also can utilize the bugeye lens that fish eye lens is such, and be applied to the camera can taking front and back two side.Now, if the image only cutting out the direction of cameraman utilizes, then same effect can be obtained.The distortion etc. of the straight line of background can be revised with image procossing.If the structure before and after can taking simultaneously, then at certain time, carry out the photography in front, only adopt the image etc. at rear where necessary, utilize picture to switch and change is applied to image.Now, as in the present invention, by utilizing cameraman to come over from afar such performance as required, changeful image can be showed further.Especially, utilize dynamic image presentation to apply the method for change very effective when video being carried out works.
In addition, in the camera with two image pickup parts, the present invention utilizes the camera observing object side, but utilize the camera of shooting cameraman side, but this camera is arranged at the display at the back side while take because cameraman observes, therefore two image pickup parts are distinguished.In addition, if the appearance that shooting cameraman holds with a hand, then this side is judged to be cameraman side.In addition, can verify that the face of picture central authorities is to judge cameraman side camera, acceleration when also can detect mobile, determines whether cameraman side according to this direction, also detection background change can determine whether cameraman side.Namely, also consider less to change at face-image, image (background image) around it continuously away from when, be judged to be it is the method applying cameraman side image of the present invention or cameraman side image pickup part, no matter adopt which technology in these, the present invention sets up.
The entirety that the control part 1 with signal processing part carries out photographic equipment 10 according to stored program controls, and the Imagery Data Recording obtained processing the picture signal exported from image pickup part 2,5 is in the recording units such as storage card 4.Face test section 1a input, from the photographs of image pickup part 2,5, judging the face that whether there is personage in this photographs, when there is character face, detecting the size of its position and face.
Operating portion 6 is the functional units such as release-push 6a, zoom button be arranged on photographic equipment 10.User can carry out various pattern setting with cross key or touch panel etc.
As shown in Fig. 2 (a), release-push 6a is configured at the body upper surface of photographic equipment 10, when operating release-push 6a, photographic equipment 10 starts photography, when dynamic image or burst mode, when again operating release-push, stop photography.
As shown in Fig. 2 (b), display part 8 comprises the display unit such as the LCD monitor at the back side being configured at photographic equipment 10 etc., organic EL, carry out from image pickup part image and be recorded in reproduction display or the display of alert message of the image in recording unit 4.
Image processing part 7 adjusts brightness, the gray scale or color etc. of the picture signal obtained by image pickup part 2,5, is compressed into easy record, is processed into predetermined form and is recorded in recording unit 4.
In this image procossing, also comprise Altered Graphs as size (adjusted size) process, reduce process important in the present invention, therefore describe reduction section 1c especially in the drawings here.
In addition, picture signal can before actual record blotter in blotter portion 1d, to go forward side by side line item, display to become multiple image, Images uniting portion 1e and synthesis detection unit 1f, also as a ring of signal transacting, is built in and has in the control part 1 of signal processing part.
Face test section 1a is according to the characteristics of image obtained according to the face organ of personage, and the face-image of the personage that detected image comprises, considers that this testing result etc. carries out synthesizing and warning.In addition, synthesize detection unit 1f also to warn as required when determining whether to synthesize smoothly.
The composograph generated by this Images uniting portion 7 is presented on display part 8, but when the image after reading from recording unit 4 and utilize shooting is to carry out compound display, the present invention also can be utilized as the invention of display device.
Then, the action in present embodiment is described, but first uses Fig. 3 to be described method during shooting back side composograph as feature of the present invention.When using this photographic equipment 10, put photographic equipment 10 as shown in Figure 3, while cameraman confirms photography situation with the display part at the camera back side, cameraman 11 walking is on one side while when taking, cameraman while the appreciable subject in shooting front, can also record self face and background.
In so regular shooting or when taking with dynamic image, the image that the fore direction photographing in photography portion, front 2 obtains changes with moving, but the position relationship of cameraman 1 and photographic equipment 10 is by the Determines putting camera, and the image obtained by back side image pickup part 5 does not thus change substantially.
That is, if as shown in Figure 3, regularly carry out the photography at the back side when cameraman keeps photographic equipment walking, then obtain the image shown in Fig. 4 (a) to (e).Because the position of putting, with the distance of face, larger change can not occur, therefore the image of cameraman is taken by with roughly the same size, and on the other hand, background then changes in the mode of passing by towards the rear gradually.
By synthesizing this image as shown in Figure 5, the image of cameraman can be become the image of the performance as taken in the photographs farther place than reality.Namely, the background parts of the image taken before the image of Fig. 5 (b), i.e. Fig. 5 (a) as shown in the figure, it is a part for the image of (b), therefore determine that minification is so that the suitable image being partially submerged into Fig. 5 (a) of the image at Fig. 5 (b), embed after by the image down of Fig. 5 (a), thus can show as shown in Fig. 5 (c) and do not have a jointed image with background.The personage portion of this image and the image portion (with reference to Fig. 5 (d)) above it, although be the image that cameraman self takes, seem just like be such from the image remotely taken of the position away from cameraman.The performance that the personage of the position being in Fig. 5 (a) is taken such in this and the position from the photography carrying out Fig. 5 (b) is equal to.
In order to carry out this synthesis, the image of preferred Fig. 5 (a) becomes the image of the head in the personage portion of the image hiding Fig. 5 (b).If like this, then the head of Fig. 5 (b) image does not exceed from the combining unit of the image of Fig. 5 (c) and becomes not nature.
Therefore, in the present invention, in order to prevent not nature during this synthesis, suitable control has been carried out to the interval photography of the image of (a) and (b).
Thus, by having this complex functionality, this photographic equipment can not only apply change to forward image, and image reproducing can be carried out to the image applying change at rear, therefore such as after dynamic image photography, image before and after can suitably switching, can allow appreciator appreciate by not irksome image appearance.Can reproduce with the close gradually mode lantern slide of personage in landscape or dynamic image.By adopting this form of expression, change can be applied to image and carrys out joyful appreciation.
Such as, after showing the image of Fig. 5 (d), when showing the image of Fig. 5 (a), cameraman can be carried out from afar near coming such performance.That is, as long as stop the synthesis of the image after reducing synthesis.
, only synthesize two herein, but if by the image down of (d), be synthesized in Fig. 4 (c), then can carry out cameraman and be in the such performance in farther place.If by overlapping for these synthesis, stop successively synthesizing from the image at utmost reduced, then cameraman is constantly close.Further, if certainly carry out this synthesis more meticulously, the performance of dynamic image can be carried out.
Then, nature during in order to process this compound display, to when photographing should considerable in be described.
Fig. 6 shows as from position relationship with the face 11 of cameraman of top view photographic equipment 10.As known in the figure, the half angle of the angle of visual field of such as photographic equipment 10 is Θ, and when photographic equipment 10 is D1 to the distance of face 11, the width of face is when being Wf, the width W 1 of picture shows like that such as formula 1, and the ratio R that therefore face is shared wherein shows like that such as formula 2.
W1=2D1tan Θ (formula 1)
R=Wf/ (2D1tan Θ) (formula 2)
Such as, Θ is 45 °, set from the position of hand during putting equipment D1 as the width of 45cm, face be 15cm time, the result of formula 2 is 1/6.But generally speaking, the longitudinal direction of picture is shorter more herein than the transverse direction illustrated, longitudinal height over width direction of opposite faces is long, and therefore face accounts for nearly 1/3 of longitudinal direction in picture.Therefore, when this condition, Fig. 5 (a) preferably uses about 1/3 of Fig. 5 (b) to synthesize.
But, importantly this condition also according to determine the angle of visual field half angle Θ phtographic lens focal length etc. and change.That is, when focal length is shorter, this Θ becomes large, and facial proportion R diminishes thus, and therefore the part of background increases, thus easily carries out synthesis background connected that connects as shown in Figure 5.
In addition, as previously mentioned, when the half angle of the angle of visual field of this photographic equipment 10 is Θ, when the direction of the arrow 12 of present dynasty Fig. 7 is moved, then when starting most to photograph at P1 place, position, if consider the plane of 21, then the scope of W1 is taken, and this represents by aforesaid formula 1.
When camera advance D3 comes the position of P2, if the angle of visual field is identical, then about the scope of shooting, according to the distance D2 to plane 21, take by the scope of the W2 shown in formula 3.W1 is included in W2, and according to formula 1, formula 2, its ratio W1/W2 as shown in Equation 4.
W2=2D2tan Θ (formula 3)
W1/W2=D1/D2 (formula 4)
That is, when the such condition illustrated by Fig. 6, D1/D2 is preferably 1/3, and when D1 is set to 45cm as described above, D2 is 45cm × 3=135cm.
Therefore, if taken away from more than D2, then, when Fig. 5 (a) being overlapped onto Fig. 5 (b) and synthesizing, minification is excessive, thus can not hide the face of Fig. 5 (b).Thus, in this Images uniting, should be noted that position and the size of face.
When setting D2 as 135cm, being equivalent to 2 steps of adult's stride, therefore also according to the output of acceleration transducer 3, the vibration being applied to camera can being detected as pedometer, manage to carry out continuous shooting with the once such timing of every 2 steps shooting.Certainly, if Θ is comparatively large, then according to formula 2, the ratio of face shared by picture diminishes, and therefore also can carry out continuous shooting with thicker timing.Such as, focal length be half, the angle of visual field double time, R is 1/6, and the W1/W2 of formula 4 is 1/6, D2 is 45cm × 6=270cm.
Such as when changing the system of the angle of visual field of image pickup part at the back side, can carry out such switching, also comprising this switching as invention, but simplify herein, take Θ as the situation continued explanation of 45 °.
The flow chart that the photographic equipment photographies on the back portion as described above of use being carried out the such Images uniting process of Fig. 5 performs when photographing overleaf is depicted as Fig. 8.Herein, especially the photography with this synthesis is called " back side process cinematography " to be described.In fact, also carry out the photography in front simultaneously, in reproduction display, utilize the photography result in front sometime, reproduce the photography result utilizing the back side in display sometime, the change of image is enriched, but simplify herein, be narrowed to and utilize the photography in photographies on the back portion to be described.User, when carrying out the such photography of Fig. 3, utilizes the pattern of photographic equipment to set, select " back side process cinematography pattern " and utilized release SW (6a of Fig. 2) by inferior beginning shooting operation.Utilizing multiple back side image to carry out the such synthesis of Fig. 5 (c), therefore in order to manage the plurality of image, in the step of S101, initialization (0) being carried out to variable N.Shooting operation due to release SW (6a of Fig. 2) by inferior end and at the end of, S102 is branched off into Y and enters S109, but first, as photography in, carry out the explanation as S103 S102 being branched off into N.
In S103, perform the subroutine of the back side synthesis candidate image generation that will be explained below., obtain image continuously herein, the image (synthesis candidate image) being suitable for compound display in the image acquired by the judgement of synthesis detection unit of the 1f of Fig. 1, and as Im blotter in blotter portion (1d of Fig. 1).
Because independent words do not know whether the synthesis candidate image at the back side obtained thus is suitable for synthesis, therefore first determine whether to obtain in S104 as basic initial one.If initial one can not be obtained, then can not carry out and the comparing of next image, therefore be branched off into N, wait for obtaining candidate image in S103.
After obtaining initial candidate image, S104 is branched off into Y, in S105, by the image down of Fig. 5 (a) for converging to the dotted line part (utilizing the reduction section 1c of Fig. 1) of Fig. 5 (b), and compare with the background portion of next image.Herein, suppose the ratio reduced to be set to 1/3.
This ratio utilizes the conditional decision illustrated in the S114 of Fig. 9, determined, determined by the balance of the operational capability of the image that next will take or this camera and power consumption etc. when continuous shooting by the angle of visual field.When frequently obtaining image or frequently synthesizing, in recording capacity and power consumption, produce waste and unreasonable, be therefore illustrated as herein and carry out with less photography the example that is connected as far as possible.If utilize the numerical value that illustrates in fig. 6 and 7, be then rational design by the image overlap being reduced into 1/3 to generate composograph.These 2 steps that are designed to often to advance take the step of, but if can realize treatment circuit at a high speed and energy-saving design further, then also can increase synthesis number.If increase shooting number and increase synthesis number, then can close to the like that performance of Dynamic Graph.When the angle of visual field is wide, the synthesis reducing shooting number can be carried out.
As Fig. 5 (b), by image down before as a result, the form whether unanimously determined whether in the part of the face face to be hidden next image according to the contrast of the image on the crown of cameraman or edge has carried out synthesizing (utilizing synthesis detection unit 1f) according to mode background be connected.Herein, in order to the profile of the line and window portion that simply illustrate only the bight of ceiling, but on ceiling or wall, in fact there is the picture pattern of decorative pattern, shade, the seam of plate (wooden partition) or dirt etc., these similitude and continuity etc. can be utilized.
Specifically, the such synthesis of the facial parts of Fig. 4 (b) is hidden with the picture of Fig. 4 (a) in order to become, face in the image of process decision chart 4 (b), judge the pattern of the top of the face except face of this image, the background portion in left and right portion, reduce the image of Fig. 4 (a), to ensure that this reduces the successional form of the pattern of the periphery of picture, carry out synthesizing according to the mode of the face hiding Fig. 4 (b).
When the method for imaging that Fig. 3 is such, face is roughly certain with the distance of camera, if therefore the angle of visual field does not change, then size what kind of position occupied in picture of face is fixed, if therefore the size of face is such as in picture 1/3 of left and right width, 1/3 of upper-lower height, then the left side 1/3 of picture, the right 1/3, top 1/3 are set to background (can be changed into other value according to the angle of visual field), the downscaled images of synthesis are connected naturally with this part and coincide." nature " be assume linearity or the shade substantially ensureing straight-line pattern boundary line continuously and the state be not connected with having weak point.
This synthesis detection unit is the function that the program of control part 1 performs, but also can utilize hardware to design.Take face as benchmark, usually have taken a part for ceiling or landscape on the top (on the crown) of face, therefore when holding camera and roughly moving along its optical axis direction, its background parts changes.Camera coverage changes relative to its change in location and movement as shown in Figure 7, carries out the synthesis of multiple image therefore, it is possible to utilize to reduce to wait to process.But there is health in the part of face or the below of face, these parts can not change, therefore when reducing, continuous print synthesis can not be carried out well from Fig. 5 (c) is known.Thus when synthesizing multiple image by consideration method of the present invention, for the bottom of face, the like that synthesis difficulty of the figure of shooting after hiding by the downscaled images of the image taken before and can not effectively applying in a flexible way, therefore face-image is preferably tried one's best downwards from central authorities.But, be in very below time, lack chin etc. and become nature, being therefore roughly in premised on mid-face by face and going on to say.
Therefore, in S105, to do not have the background of the image of a personage's part (or periphery) partly (herein for picture the first half) compare, in S106, judge that whether this part consistent.Specifically, the left and right of the face in picture and upper section are set to background, judge whether the periphery (outside) of the situation of walking (personage forward) downscaled images of shooting conjointly can synthesize with the inner side of this background image portion naturally in order to synthesize with." nature " refers to and assumes following state: the linearity substantially ensureing the straight-line pattern in background or periphery subject, or the boundary line of the shade in the direction on this border of leap of the boundary portion of Images uniting continuously and be not connected with having weak point.This judgement is carried out in synthesis detection unit (1f of Fig. 1).When consistent, using these images compared in S105 as being used as synthesis image, and variable N increased progressively (S107), candidate image Im is set to document image Im (N).
The synthesis detection unit 1f of Fig. 1 repeats this spectral discrimination, by the peripheral part of downscaled images and the background portion of image that next obtains are compared, judge to obtain and move while that take and the image that synthesizes can be carried out, until shooting operation terminates (S102 → Y).
Namely, the invention is characterized in, repeatedly carrying out in the photographic equipment of rightabout photography of moving direction, back side image pickup part is repeatedly photographed successively, and carry out judge the image down taken before can be synthesized to after shooting image in can synthesize judgement.
Certainly, the predetermined portions of this downscaled images and next image is compared, and determine whether that the method that can synthesize is except photographic equipment, such as, can also be applied to display device.Herein, the continuity of the background portion of picture and downscaled images (whether synthesis detection unit 1f judges at the seam crossing of image continuously according to the distribution etc. of the direction at edge, contrast changing unit and color) is compared, but in hand-held photography, cameraman's not necessarily straight advance and camera is put same position, therefore the image section compared in S105 strictly need not be in central authorities, and can depart from about 20% of picture up and down.Certainly, if the angle of visual field becomes wide, then the surplus of this value becomes large.
In S109, the image transfer of blotter carries out offical record to recording unit 4.Now, in order to manage the context of each image, also carrying out date, the moment of taking with each image associated record and representing whether put correctly moving (S110) such as the acceleration informations of camera.
Such as, if acceleration transducer is three axles, if the then upper and lower put correctly of camera, then acceleration of gravity is only relevant to this above-below direction, when walking, periodically relevant grade of acceleration and optical axis direction and changing, therefore, it is possible to carry out the photography of back side synthesis according to this information, and whether record is the image being suitable for synthesis.Certainly, also can with each image corresponding record variable N.This information can be utilized correctly to synthesize multiple image, and change the distance perspective of personage with the synthesis that Fig. 5 is such.
In addition, the image that Fig. 5 (d) is such is reduced further and be synthesized on next image.That is, if be synthesized on the large image of N by image down little for N, although be then hand-held photography, also can obtain the image as taken from afar cameraman, this distance can change according to synthesis number of times.
Then, the subroutine of flow chart to the S103 of Fig. 8 of Fig. 9 is used to be described.
This is whether the result repeating to take for judgement back side image pickup part 5 is suitable for being used as composograph, while carry out candidate image to image and carry out the program of blotter as previously mentioned.
In S111, start sequence photography, in S112, judge in the image obtained in S111, whether to there is not the peculiar shade produced by face organ, carry out face and detect.
In picture center or picture bottom not this facial positions time, as illustrated in the S105 of Fig. 8 before, the Images uniting of the utilization overlap as feature of the present invention can not be carried out well, in S113, therefore carry out the judgement of this purport.The importantly clear background that have taken cameraman top.When not meeting this condition, control part 1 determines this situation, and via warning portion 1b, utilizes display image or sound to carry out warning (S121).Specifically, can show the word that " please be well placed camera and be in picture central authorities to make the face of cameraman " is such, or be shown together with frame by obtained image, instruction makes face enter in frame.
Thus, when face is in picture central authorities, in order to ensure the space taking in background above cameraman, judge facial size whether as less than 1/3 (S114) of the longitudinal size of picture.
Certainly, this ratio can adjust according to the size etc. of the length of the hand of cameraman and face.Further, when obtaining the image of next shooting immediately when continuous shooting, the size of face can also be increased.Why like this, be because image down is before overlapped onto the part of the face in this picture, therefore easily background be connected when the image less to change of background synthesizes.But, when obtaining image very continually or synthesizing, recording capacity and power consumption produce waste and unreasonable, are therefore illustrated as herein and carry out with less photography the example that is connected as far as possible.If utilize the numerical value that illustrates in fig. 6 and 7, then reasonably can photograph by the step that 2 steps of often advancing take and synthesize.Certainly, if treatment circuit at a high speed and energy-saving design can be realized further, then also synthesis number can be increased.
If increase shooting number and increase synthesis number, then close to the like that performance of Dynamic Graph.
In addition, can change according to the angle of visual field etc. of back side image pickup part.When the angle of visual field is wider, the coverage of background becomes wide, therefore, it is possible to reduce synthesis number further.Now, personage is showed with lantern slide form close.
Thus, when not meeting this condition, control part 1 determines this situation, and utilizes display image or sound to carry out warning (S122) via warning portion 1b.Specifically, the word that " please be well placed camera to make the face size of cameraman suitable " is such can be shown, or obtained image is shown together with the frame of 1/3 size of picture, and instruction makes face enter in frame.
Even if providing these warnings, when also not meeting such as more than 1 minute condition, in S123, synthesizing detection unit 1f determining this situation, be branched off into S124 and make warning portion 1b provide the warning that can not synthesize.
Thus, the image of the condition meeting S113, S114 is set to candidate image, but according to whether being that initial image carries out branch to S115, carries out classification during blotter.Initial image, as benchmark, therefore processes it in addition, is set to Im (0) in S117.In addition, in the flow process of Fig. 8, carry out choice select, in S109, only record selected image, therefore in S116, blotter is Im.
In S118, as previously mentioned, the acceleration information etc. of photography time information, the posture representing camera and direct of travel etc. is also written with.If the image with this information, the photography of this multiple image then also can be carried out with camera, multiple images that the display devices such as PC or TV obtain according to sending from camera, the such image processing illustrated in Figure 5, and change is applied to display.Certainly, the display part of camera also can carry out this compound display when image reproducing.
Namely, the display device comprising PC, TV or mobile phone etc. of the display part of camera also can utilize the rightabout photographs at multiple BR of moving direction, carry out the judgement as feature of the present invention, namely the image down that can will take before is judged, and on the image of shooting after being synthesized to.This can be utilized to synthesize judgement, determine that can apply change to simple sequence photography image reproduces.
The example of this display and control is described with the flow chart of Figure 10.
In S131, it is the step of selecting to carry out the image reproducing display.This step manually can select specific image from thumbnail image, also can when reproducing other images (image such as taken by the image pickup part 2 in front), the subsidiary back side image selecting correspondence.
Can judge according to the supplementary (moment, acceleration information and variable N etc.) additional in the S110 of Fig. 8 being attached to each image to judge in S132 and S133, before adjacent image, afterwards, whether there is image, and whether be travelling shot.
When there is this image, in S134, previous image (corresponding with (a) of Fig. 4, Fig. 5) is reduced, and the pattern overlapping in its top periphery portion is adjusted consistent degree to a rear image (corresponding with (b) of Fig. 4, Fig. 5), if continuous print, then can synthesize under the state of overlap.The image of Fig. 5 (c) can be obtained thus.Wherein, if delete part inconsistent below picture, then can obtain the such image of Fig. 5 (d), although be hand-held photography, also can obtain the image of the performance as taken from afar.If stop this synthesis, then can obtain gradually near coming such consecutive image.
As previously mentioned, herein, reduce in scale supposition is set to 1/3 by reducing of S134.
This ratio is by the conditional decision illustrated in the S114 of Fig. 9, by the angle of visual field, is determined by the balance of the operational capability of the image next will taken or this camera and power consumption etc. when continuous shooting.When frequently obtaining image or frequently synthesizing, in recording capacity and power consumption, produce waste and unreasonable, be therefore illustrated as herein and carry out with less photography the example that is connected as far as possible.If utilize the numerical value that illustrates in fig. 6 and 7, be then rational design by the image overlap being reduced into 1/3 to generate composograph.These 2 steps that are designed to often to advance take the step of, but if can realize treatment circuit at a high speed and energy-saving design further, then also can increase synthesis number.If increase shooting number and increase synthesis number, then can close to the like that performance of Dynamic Graph.When the angle of visual field is wide, the synthesis reducing shooting number can be carried out.
In addition, in the present embodiment, fore direction photographing portion 2 and photography portion, rear 5 are arranged at photographic equipment 10 integratedly, but are not limited thereto, and also can prepare the camera that 2 have a photography portion, make this 2 camera cooperations.Now, be configured to the photography portion of the 1st camera to be used as fore direction photographing portion 2, control part (control part 1) the photography portion to another camera that the photography portion of the 2nd camera is used as 5, the camera in photography portion, rear is controlled.Control communication now can be wired also can be wireless.
Composograph as feature of the present invention substantially can utilize downscaled images with to synthesize this downscaled images these two images of synthesis candidate image partly overlapping image and carry out being connected obtaining.As for the part of the overlap of this image, judge by the similarity of image the part that a part for these two images can be as one man overlapping, and the part utilizing consistent degree high is connected.Or, the part of overlap is obtained continuous print composograph as stickup seam.
In addition, now, be not exclusively connected continuously, if the situation that the image that can appreciate is then also passable even if also exist.Especially, when showing with dynamic image, quick image switching, therefore can not notice seam sometimes.Sometimes brightness and color due to exposure change etc. and change, but in this case, correction of color and brightness can judge consistent degree, if carry out binaryzation to pattern and consistent degree is more than predetermined grade, then also can be judged as unanimous on the whole, or be judged as that synthesis result substantially continuously.
As finding and synthesizing the method for seam, the image for carrying out reducing synthesis can be reduced successively, when it reduces at every turn, judging the synthesis candidate portion of picture end and the consistent degree of a part (this part becomes the part of the shape consistent or corresponding with the shape of the periphery of the above-mentioned downscaled images in picture) synthesizing candidate image, synthesizing when obtaining the highest downscaled images of consistent degree.And, even if do not reduce successively, also according to the minification of the process decision chart pictures such as the speed of the change of the timeliness of image and user, can judge that the part that the periphery of synthesis downscaled images is high with continuation degree when synthesizing with the consistent degree in the picture background portion of synthesis candidate image is also synthesized.Continuation degree linearity, the shade of picture entirety and the naturality of tone and flatness etc. judge.
At the interval of sequence photography shorter and the picture number that can be used in synthesizing is more, can carry out filling the such synthesis of the periphery of synthesis candidate image successively at the periphery of downscaled images.Now, even if strictly do not judge consistent degree etc., can be also synthesis use by image down by certain ratio, synthesize to connect the form of not carrying out the end of the synthesis candidate image reduced in the end of this picture.
In addition, in an embodiment, show the face of people in picture central authorities, but as long as be shown as the object carrying out the motion of moving in center, can be any object, can be the shell etc. of the vehicles of the face of pet, the vehicles or model.
In addition, the personage of the image taken by back side image pickup part is shown as " cameraman ", but such as can also for loading onto this camera and carry out synthesizing such purposes to the appearance that bicycle is advanced on the handle of the bicycle of child.Now, cameraman is the father and mother of child, and child is subject, but for the purpose of simplifying the description, also the personage taken by back side image pickup part is shown as cameraman.
As described above, according to the embodiment of the present invention, according to view data, the change of the background image that judgement changes with the movement of camera positions, and according to this judgement, carry out the image procossing of the size changing consecutive image.Therefore, it is possible to obtain the effect as taken from afar cameraman, or the synthesis of this composograph can be stopped successively, the mobile appearance of coming of easily performance.Such as, can also according to self and the position relationship of the scenic spots and historical sites, the appearance etc. of movement shows the scenic spots and historical sites etc. in maiden visit somewhere time emotion etc.
In addition, in the embodiments of the present invention, show and carry out photographing with photographic equipment 10 and appreciate the example reproduced, but be not limited thereto, about reproduction, can also appreciate with personal computer or TV etc.When appreciating with personal computer or TV etc., as long as the view data storing the dynamic image taken by photographic equipment 10 carries out appreciating.
In addition, in the embodiments of the present invention, photographic equipment 10 is undertaken taking and reproducing by continuous shooting, but as video camera, can certainly be applied in each of dynamic image photography, make it have the reproduction Presentation Function as dynamic image.
The present invention can show as following photographic equipment.
And, in the embodiments of the present invention, as the equipment for photographing, use digital camera is illustrated, but as camera, can be digital single-lens reflex camera and Portable digital camera, also can be the camera of the such dynamic image of video camera, film camera, and can be built in the camera in mobile phone, portable information terminal PDA (Personal Digital Assistants: personal digital assistant) etc. certainly.
The present invention is not directly defined as the respective embodiments described above, implementation phase can be out of shape structural element in the scope not departing from its purport and specialize.In addition, can by the various invention of appropriately combined formation of multiple structural element disclosed in the respective embodiments described above.Such as, the several structural elements in the entire infrastructure key element shown in execution mode can be deleted.Further, can the structural element of appropriately combined different execution mode.
Claims (10)
1. repeatedly carry out a camera for the moving direction of cameraman and the photography in the direction contrary with described moving direction, it is characterized in that, described camera has:
Image pickup part, it carries out described photography repeatedly successively;
Face test section, it detects the facial positions of the cameraman in the photographic picture acquired by described image pickup part; And
Warning portion, its testing result according to described facial test section judges the background whether in described photographic picture with cameraman top, and warns.
2. camera head according to claim 1, is characterized in that,
Whether described warning portion judges the background whether in described photographic picture with cameraman top at the center of described photographic picture according to described facial positions.
3. camera head according to claim 2, is characterized in that,
Described warning portion utilizes display image or sound to warn.
4. camera head according to claim 2, is characterized in that,
When described facial positions is when the center of described photographic picture, described warning portion judges the background whether in described photographic picture with cameraman top according to the facial size in described photographic picture.
5. camera head according to claim 4, is characterized in that,
Described warning portion is warned by the mode of holding of text importing and camera.
6. camera head according to claim 1, is characterized in that,
Described camera also has synthesis detection unit, its judgement can synthesize described photography repeatedly obtain in described photographic picture described background.
7. camera head according to claim 6, is characterized in that,
Described synthesis detection unit judges according to the contrast of described background or the consistency at edge.
8. camera head according to claim 6, is characterized in that,
Whether described synthesis detection unit judges continuously according to seam during described photographic picture synthesis.
9. camera head according to claim 1, is characterized in that,
Described camera also has the acceleration transducer detected the vibration being applied to described camera, and the described photography repeatedly that described image pickup part carries out is that continuous shooting is carried out in the described vibration detected according to described acceleration transducer.
10. repeatedly carry out a method for imaging for the moving direction of cameraman and the photography in the direction contrary with described moving direction, it is characterized in that, described method for imaging comprises:
Carry out described photography repeatedly successively;
The facial positions of the cameraman in the photographic picture obtain described photography detects; And
Judge the background whether in described photographic picture with cameraman top according to testing result, and warn.
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| JP2011-109729 | 2011-05-16 | ||
| JP2011109729A JP2012244245A (en) | 2011-05-16 | 2011-05-16 | Imaging apparatus, control method of imaging apparatus, image display apparatus, image display method, and program |
| CN201210152747.XA CN102790852B (en) | 2011-05-16 | 2012-05-16 | Image synthesis display device, image synthesis display method and photographing device |
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| CN107231518A (en) * | 2016-03-23 | 2017-10-03 | 奥林巴斯株式会社 | Photographic equipment, photography are with moving body and moving body photography control device |
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| EP2940989B1 (en) | 2014-05-02 | 2022-01-05 | Samsung Electronics Co., Ltd. | Method and apparatus for generating composite image in electronic device |
| CN110475058B (en) * | 2018-05-10 | 2021-06-01 | 宏碁股份有限公司 | Image synthesis method and intelligent device |
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| CN104869294B (en) | 2018-06-01 |
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| JP2012244245A (en) | 2012-12-10 |
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