CN102984452A - Camera terminal and photographing self method thereof - Google Patents

Camera terminal and photographing self method thereof Download PDF

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Publication number
CN102984452A
CN102984452A CN2012104215624A CN201210421562A CN102984452A CN 102984452 A CN102984452 A CN 102984452A CN 2012104215624 A CN2012104215624 A CN 2012104215624A CN 201210421562 A CN201210421562 A CN 201210421562A CN 102984452 A CN102984452 A CN 102984452A
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imaging
terminal
side imaging
cameras
photograph
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CN102984452B (en
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冯玉慧
邵政斌
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Abstract

The invention applies to the technical field of communication technologies and provides a photographing self method of a camera terminal. The photographing self method includes the following steps: when the camera terminal starts a photographing self mode, respectively acquiring left side imaging and right side imaging of a user head portrait through two cameras which are distributed symmetrically; enabling the left side imaging and the right side imaging to conduct synthetic processing into a composite image; and enabling the composite image to display a screen of the camera terminal. Accordingly, the invention provides the camera terminal. By means of the camera terminal and the photographing self method of the camera terminal, a user can photographing self like looking at a mirror, and therefore the photographing self operation is achieved conveniently in high quality.

Description

The self-timer method of photograph terminal and photograph terminal
Technical field
The present invention relates to communication technical field, relate in particular to a kind of self-timer method and photograph terminal of the terminal of taking a picture.
Background technology
When digital camera replaced the film camera of the not only distressed film of that let us but also distressed flushing, certainly taking a picture that individual character is random also became fashion gradually, because superb photographer does not have person taken picture oneself to hold more accurately to expression yet again.The front-facing camera of the photograph terminal such as mobile phone can be supported Self-timer in the prior art, but general front-facing camera all is installed in the top of photograph terminal, in the auto heterodyne process, if the eyes of user's head portrait stare at screen and see the expression of oneself, after taking, that photo must stare at not as eyes the photo nature of that position of camera, if but eyes only stare at that position of camera in the auto heterodyne process, the auto heterodyne person can not in time see and hold the expression of oneself again, and this obviously is that very bad user's head portrait is experienced.
In summary, the auto heterodyne technology of existing photograph terminal obviously exists inconvenience and defective, in actual use so be necessary to be improved.
Summary of the invention
For above-mentioned defective, the object of the present invention is to provide a kind of self-timer method and photograph terminal of the terminal of taking a picture, it can allow the user can carry out photo as looking in the mirror and autodyne, thus convenient, in high quality realization auto heterodyne operation.
To achieve these goals, the invention provides a kind of self-timer method of the terminal of taking a picture, comprise that step has:
During described photograph starting terminal self-timer mode, obtain respectively left side imaging and the right side imaging of user's head portrait by two symmetrical cameras;
With the imaging of described left side and the synthetic composograph that is treated to of described right side imaging;
Described composograph is shown on the screen of described photograph terminal.
According to self-timer method of the present invention, the left and right two ends of described photograph terminal are symmetrically distributed with left and right two cameras, and the upper/lower terminal of described photograph terminal is symmetrically distributed with upper and lower two cameras;
Describedly obtain respectively the left side imaging of user's head portrait and the step of right side imaging also comprises by two symmetrical cameras:
Judge the current employing of described photograph terminal perpendicular screen screening-mode or horizontal screen screening-mode;
If adopt described perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described left and right two cameras;
If adopt described horizontal screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described upper and lower two cameras.
According to self-timer method of the present invention, described camera is the front-facing camera of described photograph terminal.
According to self-timer method of the present invention, also comprise after the step on the described screen that composograph is shown in described photograph terminal:
Take definite instruction if receive the user, with the image interception of the current demonstration of described screen and save as photo.
According to self-timer method of the present invention, described the synthetic step that is treated to composograph of left side imaging and the imaging of described right side is comprised:
By face recognition technology, detect the position of human eye in the imaging of described left side and the imaging of described right side;
According to the difference parameter of the distance between described position of human eye, default described two cameras, default two images of Human Perception, with the imaging of described left side and the synthetic composograph that is treated to of described right side imaging.
The present invention also provides a kind of photograph terminal, includes:
Image collection module is used for obtaining respectively left side imaging and the right side imaging of user's head portrait by two symmetrical cameras when described photograph starting terminal self-timer mode;
Image synthesis unit is used for the imaging of described left side and the synthetic composograph that is treated to of described right side imaging;
Image display is for the screen that described composograph is shown in described photograph terminal.
According to photograph terminal of the present invention, the left and right two ends of described photograph terminal are symmetrically distributed with left and right two cameras, and the upper/lower terminal of described photograph terminal is symmetrically distributed with upper and lower two cameras;
Described image collection module also comprises:
Judge submodule, be used for when described photograph starting terminal self-timer mode, judge the current employing of described photograph terminal perpendicular screen screening-mode or horizontal screen screening-mode;
First obtains submodule, if be used for adopting described perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described left and right two cameras;
Second obtains submodule, if adopt described horizontal screen screening-mode, and left side imaging and the right side imaging of then obtaining respectively user's head portrait by described upper and lower two cameras.
According to photograph terminal of the present invention, described camera is the front-facing camera of described photograph terminal.
According to photograph terminal of the present invention, also comprise:
Module is preserved in intercepting, takes when determining instruction if be used for receiving the user, with the image interception of the current demonstration of described screen and save as photo.
According to photograph terminal of the present invention, described image synthesis unit also comprises:
The human eye detection submodule is used for detecting the position of human eye in the imaging of described left side and the imaging of described right side by face recognition technology;
The synthetic submodule of processing is used for the difference parameter according to the distance between described position of human eye, default described two cameras, default two images of Human Perception, with the imaging of described left side and the synthetic composograph that is treated to of described right side imaging.
When the present invention starts self-timer mode the user, obtain respectively left side imaging and the right side imaging of user's head portrait by two cameras of photo terminal, by the 3D imaging technique with the synthetic composograph that is treated to of the imaging of described left side and right side imaging, described composograph is being shown on the screen of photograph terminal again, be exactly camera so that the user feels screen, like this user's operation of just can as looking in the mirror, autodyning, the user both can see and hold the expression of oneself when autodyning, can take again eyes facing to the photo of camera, thereby can make things convenient for, realize in high quality the operation of autodyning, greatly promoted user's experience.
Description of drawings
Fig. 1 is the take a picture structural representation of terminal of the present invention;
Fig. 2 is preferably the take a picture structural representation of terminal of the present invention;
Fig. 3 is preferably the take a picture fundamental diagram of terminal of the present invention;
Fig. 4 is the schematic diagram of the binocular parallax characteristic used of the present invention;
Fig. 5 is the take a picture flow chart of self-timer method of terminal of the present invention;
Fig. 6 is preferably the take a picture flow chart of self-timer method of terminal of the present invention;
Fig. 7 A and Fig. 7 B are the take a picture synthetic instance graphs of image of self-timer method of terminal of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the take a picture structural representation of terminal of the present invention, described photograph terminal 100 can be common digital camera or Digital Video, also can be mobile phone, PDA (the Personal DigitalAssistant with camera function, personal digital assistant), panel computer etc., and described photograph terminal 100 comprises image collection module 10, image synthesis unit 20 and image display 30, wherein:
Described image collection module 10 is used for when photograph terminal 100 starts self-timer mode left side imaging and the right side imaging of obtaining respectively user's head portrait by two symmetrical on the photograph terminal 100 cameras.Preferably, described camera is the front-facing camera of photograph terminal 100, and described two cameras can be symmetrically distributed in arranged on left and right sides or the upper and lower both sides of photograph terminal 100.Usually, the user at first opens camera application in the Self-timer that uses photograph terminal 100, switches to from the function of taking pictures to get final product again.
Described image synthesis unit 20 is used for left side imaging and the synthetic composograph that is treated to of right side imaging.Because two of the people at a distance of certain distance, formed two width of cloth images are essentially identical but slightly variant and have certain parallax on two eyeground, have just formed a width of cloth stereo-picture after brain is comprehensive.The present invention has just utilized this parallax characteristic of eyes, form complete composograph by image synthesis unit 20 by predetermined software algorithm processing left side imaging and right side imaging, allow the user finally feel and only have an image, and the effect of this composograph is so that the user feels screen is exactly camera.
Described image display 30, for the screen that composograph is shown in photograph terminal 100, described screen is preferably LCD (Liquid Crystal Display, LCDs).Described image synthesis unit 20 is synthetic process obtain composograph after, be delivered to the screen synthetic images and show, like this user's image of oneself of just can direct image looking in the mirror when equally seeing auto heterodyne.
Fig. 2 is preferably the take a picture structural representation of terminal of the present invention, described photograph terminal 100 can comprise image collection module 10, image synthesis unit 20, image display 30 and intercepting preservation module 40, and the left and right two ends of described photograph terminal 100 are symmetrically distributed with left and right two cameras, the upper/lower terminal of photograph terminal 100 is symmetrically distributed with upper and lower two cameras, wherein:
Described image collection module 10 also comprises:
Judge submodule 11, when being used for photograph terminal 100 startup self-timer mode, judge photograph terminal 100 current employings perpendicular screen screening-mode or horizontal screen screening-mode.Particularly, photograph terminal 100 is when starting self-timer mode, judgement submodule 11 can be responded to the photograph terminal by photograph terminal 100 existing position sensors and be in perpendicular screen state or horizontal screen state 100 this moments, and then judges perpendicular screening-mode or the horizontal screen screening-mode of shielding of photograph terminal 100 current employings.
First obtains submodule 12, if be used for adopting perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by left and right two cameras.
Second obtains submodule 13, if adopt horizontal screen screening-mode, then obtains respectively left side imaging and the right side imaging of user's head portrait by upper and lower two cameras.
Described image synthesis unit 20 also comprises:
Human eye detection submodule 21 is used for detecting the position of human eye in the imaging of described left side and the right side imaging by face recognition technology.People's face has had very ripe achievement in research as one of most important visual object in image and the video in the camera technique of photograph terminal.Recognition of face is a focal issue in the information processing of people's face and the content-based retrieval research, people's face is considered as basic visual object each position of automatically detecting and locating people's face and people's face is an important basic premise.Here recognition of face represents to have determined whether that people's face exists from certain two field picture of image or video, determine to detect again after people's face exists each position of people's face, generally needed the rectangle frame position of cutting to obtain eyes according to the extraction result of human face characteristic point.Why will obtain position of human eye, be because when processing synthesize in left side imaging and right side imaging, need to know that the distance between position of human eye and/or the eyes just can be finished Processing Algorithm.
The synthetic submodule 22 of processing, be used for the difference parameter according to the distance between position of human eye, default two cameras, default two images of Human Perception, with left side imaging and the synthetic composograph that is treated to of right side imaging, what the synthetic processing of this image was adopted is the 3D imaging technique.
Described image synthesis unit 20 is used for left side imaging and the synthetic composograph that is treated to of right side imaging.Described image synthesis unit 20 is synthetic process obtain composograph after, be delivered to the screen synthetic images and show, like this user's image of oneself of just can direct image looking in the mirror when equally seeing auto heterodyne.
Module 40 is preserved in described intercepting, takes when determining instruction if be used for receiving the user, with the image interception of the current demonstration of screen and save as photo.For example the user presses and takes key or click and take icon, can send described user and take definite instruction, and intercepting is preserved module 40 just with the image interception of the current demonstration of screen and save as from taking a picture.
The left and right two ends of present embodiment photograph terminal 100 are symmetrically distributed with left and right two cameras 1 and 2, the upper/lower terminal of photograph terminal 100 is symmetrically distributed with upper and lower two cameras 3 and 4, namely jointly realizes Self-timer by being symmetrically distributed in photograph terminal 100 four cameras all around.Horizontal screen screening-mode and perpendicular screen screening-mode use respectively the wherein camera of two symmetries, are specially: when adopting perpendicular screen screening-mode, take user's head image information with left and right two cameras 1 and 2 that are positioned at photograph terminal 100; When adopting horizontal screen screening-mode, take user's head image information with upper and lower two cameras of photograph terminal 100.Fig. 3 shows preferably the take a picture fundamental diagram of terminal of the present invention, the sight when only showing perpendicular screen screening-mode among this figure, and horizontal screen screening-mode is similar.The user adopts when perpendicular screen screening-mode, left and right two cameras 1 and 2 obtain respectively left side imaging and the right side imaging of user's head portrait, be treated to composograph and be presented on the screen by certain software algorithm is synthetic, the image that the user finally sees at screen is agonic composograph.
In fact, still two images (left side imaging and right side imaging) that show on the screen, just the difference between these two images is exactly an image (composograph) less than threshold value so that the user looks.Because two of the people at a distance of certain distance, formed two width of cloth images are essentially identical but slightly variant and have certain parallax on two eyeground, have just formed a width of cloth stereo-picture after brain is comprehensive.The present invention has just utilized this parallax characteristic of eyes, Fig. 4 is the schematic diagram of the binocular parallax characteristic used of the present invention, if A, B two the identical points that are feature, the light that sends such as the A point can only arrive left eye, and the light that the B point sends can only arrive right eye, human eye will form a kind of illusion with these two light, thinks that be a some C at these 2.The present invention left side camera lens obtains the true picture in left side, and the right side camera lens obtains the true picture in right side, and after processing through system, the user with the naked eye sees is composograph after synthetic.
Fig. 5 is the take a picture flow chart of self-timer method of terminal of the present invention, its can by as Fig. 1 or photograph terminal 100 realizations shown in Figure 2, comprise that step has:
Step S501, when photograph terminal 100 starts self-timer mode, left side imaging and the right side imaging of obtaining respectively user's head portrait by two symmetrical cameras.Preferably, described camera is the front-facing camera of photograph terminal 100.Preferably, described camera is the front-facing camera of photograph terminal 100, and described two cameras can be symmetrically distributed in arranged on left and right sides or the upper and lower both sides of photograph terminal 100.Usually, the user at first opens camera application in the Self-timer that uses photograph terminal 100, switches to from the function of taking pictures to get final product again.
Step S502 is with left side imaging and the synthetic composograph that is treated to of right side imaging.Because two of the people at a distance of certain distance, formed two width of cloth images are essentially identical but slightly variant and have certain parallax on two eyeground, have just formed a width of cloth stereo-picture after brain is comprehensive.The present invention has just utilized this parallax characteristic of eyes, form complete composograph by image synthesis unit 20 by predetermined software algorithm processing left side imaging and right side imaging, allow the user finally feel and only have an image, and the effect of this composograph is so that the user feels screen is exactly camera.
Step S503 is shown in composograph on the screen of photograph terminal 100.Described screen is preferably LCD etc.The composograph that obtains after synthetic the processing can be delivered to the screen synthetic images and show, like this user's image of oneself of just can direct image looking in the mirror when equally seeing auto heterodyne.
Fig. 6 is preferably the take a picture flow chart of self-timer method of terminal of the present invention, it can be realized by photograph terminal 100 as shown in Figure 2, the left and right two ends of described photograph terminal 100 are symmetrically distributed with left and right two cameras, and the upper/lower terminal of photograph terminal 100 is symmetrically distributed with upper and lower two cameras, and described self-timer method comprises that specifically step has:
Step S601 when photograph terminal 100 starts self-timer mode, judges photograph terminal 100 current employings perpendicular screen screening-mode or horizontal screen screening-mode, if adopt then execution in step S602 of perpendicular screen screening-mode, if adopt then execution in step S603 of horizontal screen screening-mode.Particularly, photograph terminal 100 is when starting self-timer mode, can respond to the photograph terminal by photograph terminal 100 existing position sensors and be in perpendicular screen state or horizontal screen state 100 this moments, and then judge photograph terminal 100 current employings perpendicular screen screening-mode or horizontal screen screening-mode.
Step S602 is if adopt perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by left and right two cameras.
Step S603 if adopt horizontal screen screening-mode, then obtains respectively left side imaging and the right side imaging of user's head portrait by upper and lower two cameras.
Step S604 by face recognition technology, detects the position of human eye in left side imaging and the right side imaging.People's face has had very ripe achievement in research as one of most important visual object in image and the video in the camera technique of photograph terminal.Recognition of face is a focal issue in the information processing of people's face and the content-based retrieval research, people's face is considered as basic visual object each position of automatically detecting and locating people's face and people's face is an important basic premise.Here recognition of face represents to have determined whether that people's face exists from certain two field picture of image or video, determine to detect again after people's face exists each position of people's face, generally needed the rectangle frame position of cutting to obtain eyes according to the extraction result of human face characteristic point.Why will obtain position of human eye, be because when processing synthesize in left side imaging and right side imaging, need to know that the distance between position of human eye and/or the eyes just can be finished Processing Algorithm.
Step S605, according to the difference parameter of the distance between position of human eye, default two cameras, default two images of Human Perception, with left side imaging and the synthetic composograph that is treated to of right side imaging, what the synthetic processing of this image was adopted is the 3D imaging technique.
Step S606 is shown in described composograph on the screen of photograph terminal 100.Described image synthesis unit 20 is synthetic process obtain composograph after, be delivered to the screen synthetic images and show, like this user's image of oneself of just can direct image looking in the mirror when equally seeing auto heterodyne.
Step S607 takes definite instruction if receive the user, with the image interception of the current demonstration of screen and save as photo.For example the user presses and takes key or click and take icon, can send described user and take definite instruction, and photograph terminal 100 also can and save as from taking a picture the image interception of the current demonstration of screen.
Fig. 7 A and Fig. 7 B are the take a picture synthetic instance graphs of image of self-timer method of terminal of the present invention, the photograph terminal is the mobile phone with camera function in the present embodiment, and the left and right two ends in mobile phone front are symmetrically distributed with left and right two cameras 1 and 2, and the upper/lower terminal in mobile phone front is symmetrically distributed with upper and lower two cameras 3 and 4.When the self-timer mode of the little deadstart mobile phone of user, be when erecting the screen screening-mode, to take little quiet user's head portrait with left and right two cameras 1 and 2 if mobile phone detects current, can form respectively left side imaging T1 and right side imaging T2.Mobile phone passes through face recognition technology, detect the position of human eye among described left side imaging T1 and the right side imaging T2, shown in Fig. 7 A, outmost maximum framework is the screen of mobile phone, middle medium framework is the identified region of people's face, and innermost minimum framework is the identified region of eyes.Then, mobile phone is according to difference parameter of the distance between position of human eye, default two cameras, default two images of Human Perception etc., with left side imaging T1 and the synthetic composograph that is treated to of right side imaging T2, shown in Fig. 7 B, the real pictures position of left side imaging T1 and the real pictures position of right side imaging T2 have been shown, by pre-defined algorithm synthesize process after, little quiet meeting will only perceive a composograph T3, and littlely quietly feel that screen is exactly camera, can realize the same auto heterodyne of looking in the mirror.If this moment little dead point hitter machine the shooting icon, can and save as from taking a picture the image interception of the current demonstration of screen.
In sum, when the present invention starts self-timer mode the user, obtain respectively left side imaging and the right side imaging of user's head portrait by two cameras of photo terminal, by the 3D imaging technique with the synthetic composograph that is treated to of the imaging of described left side and right side imaging, described composograph is being shown on the screen of photograph terminal again, be exactly camera so that the user feels screen, like this user's operation of just can as looking in the mirror, autodyning, the user both can see and hold the expression of oneself when autodyning, can take again eyes facing to the photo of camera, thereby can make things convenient for, realize in high quality the operation of autodyning, greatly promoted user's experience.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. the self-timer method of the terminal of taking a picture is characterized in that, comprises that step has:
During described photograph starting terminal self-timer mode, obtain respectively left side imaging and the right side imaging of user's head portrait by two symmetrical cameras;
With the imaging of described left side and the synthetic composograph that is treated to of described right side imaging;
Described composograph is shown on the screen of described photograph terminal.
2. self-timer method according to claim 1 is characterized in that, the left and right two ends of described photograph terminal are symmetrically distributed with left and right two cameras, and the upper/lower terminal of described photograph terminal is symmetrically distributed with upper and lower two cameras;
Describedly obtain respectively the left side imaging of user's head portrait and the step of right side imaging also comprises by two symmetrical cameras:
Judge the current employing of described photograph terminal perpendicular screen screening-mode or horizontal screen screening-mode;
If adopt described perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described left and right two cameras;
If adopt described horizontal screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described upper and lower two cameras.
3. self-timer method according to claim 1 is characterized in that, described camera is the front-facing camera of described photograph terminal.
4. self-timer method according to claim 1 is characterized in that, also comprises after the step on the described screen that composograph is shown in described photograph terminal:
Take definite instruction if receive the user, with the image interception of the current demonstration of described screen and save as photo.
5. each described self-timer method is characterized in that according to claim 1~4, described the synthetic step that is treated to composograph of left side imaging and the imaging of described right side is comprised:
By face recognition technology, detect the position of human eye in the imaging of described left side and the imaging of described right side;
According to the difference parameter of the distance between described position of human eye, default described two cameras, default two images of Human Perception, with the imaging of described left side and the synthetic composograph that is treated to of described right side imaging.
6. a photograph terminal is characterized in that, includes:
Image collection module is used for obtaining respectively left side imaging and the right side imaging of user's head portrait by two symmetrical cameras when described photograph starting terminal self-timer mode;
Image synthesis unit is used for the imaging of described left side and the synthetic composograph that is treated to of described right side imaging;
Image display is for the screen that described composograph is shown in described photograph terminal.
7. photograph terminal according to claim 6 is characterized in that, the left and right two ends of described photograph terminal are symmetrically distributed with left and right two cameras, and the upper/lower terminal of described photograph terminal is symmetrically distributed with upper and lower two cameras;
Described image collection module also comprises:
Judge submodule, be used for when described photograph starting terminal self-timer mode, judge the current employing of described photograph terminal perpendicular screen screening-mode or horizontal screen screening-mode;
First obtains submodule, if be used for adopting described perpendicular screen screening-mode, left side imaging and the right side imaging of then obtaining respectively user's head portrait by described left and right two cameras;
Second obtains submodule, if adopt described horizontal screen screening-mode, and left side imaging and the right side imaging of then obtaining respectively user's head portrait by described upper and lower two cameras.
8. photograph terminal according to claim 6 is characterized in that, described camera is the front-facing camera of described photograph terminal.
9. photograph terminal according to claim 6 is characterized in that, also comprises:
Module is preserved in intercepting, takes when determining instruction if be used for receiving the user, with the image interception of the current demonstration of described screen and save as photo.
10. each described photograph terminal according to claim 6~9 is characterized in that described image synthesis unit also comprises:
The human eye detection submodule is used for detecting the position of human eye in the imaging of described left side and the imaging of described right side by face recognition technology;
The synthetic submodule of processing is used for the difference parameter according to the distance between described position of human eye, default described two cameras, default two images of Human Perception, with the imaging of described left side and the synthetic composograph that is treated to of described right side imaging.
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