Embodiment
The invention provides a kind of photographic means and photographic means, its detection is input to the target component in the image, according to the testing result to described target component, determines by the position adjustment information of camerist; According to described position adjustment information, output corresponding prompt information is carried out the position adjustment by camerist, and to being taken a picture by camerist.Described target component comprises: people's face; Described target component can also comprise one or more in the following parameter: two positions of eyes in image of the physical location of the actual size of people's face, people's face, people's face.
Now technical scheme of the present invention is elaborated in conjunction with Figure of description:
First embodiment of the invention provides a kind of photographic means, and as shown in Figure 1, this photographic means comprises:
S100, the input collect by the image of camerist.
What collect may be YUV color form by the image of camerist, and wherein, Y is meant the legibility of image, and U and V are meant the tone of image, and be clear with the image frame that this form is represented, and is convenient to compression, also may be other form (as rgb format);
With the image of the certain format that collects is that unit imports with the frame.
Whether comprise people's face in every two field picture of S200, detection input,, illustrate by camerist not in photo cover, then execution in step S300 if do not comprise people's face in the image; If comprise people's face in the image, illustrate by camerist that in the scope that camera can be taken a picture then execution in step S400 promptly directly takes a picture.
In this step, the image of input is carried out dynamic real-time detect, that is to say, every input one two field picture, just once to the image detection imported.
S300, determine to be proofreaied and correct the position at own place by camerist, and by follower output people face not the information in image give by camerist.
Follower is exported the information of receiving with alternate manners such as sound or analog images, point out by the position of camerist according to the information correction oneself of output, and the image that obtains behind the correction position is begun to continue detection from S100.
Above-mentioned steps S400 can be by joining register mode or the mode of order notify relevant hardware to take a picture.
If wish to obtain the photo of better effects if,, can continue to detect the image that comprises people's face as the photo on the certificates such as I.D., obtain by the specifying information of camerist people face, and carry out treatment for correcting according to detected specifying information, and proofread and correct and carry out S400 again after finishing, promptly take a picture.This treatment for correcting comprises: far and near treatment for correcting and/or posture treatment for correcting and/or horizontal level treatment for correcting.
When detecting the specifying information of people's face, can use existing arbitrary people's face to detect recognition technology (for example AdaBoost human face detection tech), detect the specifying information of the people's face in every two field picture of importing.This specifying information can be this people's face actual size, can be the physical location of this people's face, also can be 2 positions of eyes in image of this people's face.Wherein, the actual size of people's face can represent with a rectangular area, and the long limit of this rectangular area is with the longest size Expressing of detected people's face, and the broadside of this rectangular area is with the wideest size Expressing of detected people's face; The physical location of people's face can be with the coordinate representation of some position in image in the rectangular area of representing people's face actual size; Can the choose coordinate representation of 2 eyes positions in image of face of 2 positions of eyes in image of people's face.
Below in conjunction with Figure of description described treatment for correcting process is elaborated:
Far and near treatment for correcting:
This treatment for correcting is that the size threshold value with the actual size of detected people's face and setting compares, if the actual size of detected people's face is not in the size threshold value interval that is provided with, then determine and to be proofreaied and correct its distance by camerist, and give by camerist by the relevant information of follower output from camera; If the actual size of detected people's face then can directly be taken a picture in the size threshold value interval that is provided with.
Before carrying out this step, the expection size and the size threshold value of people's face are set in system in advance, wherein, the expection size of people's face is to be provided with according to the size of images of input with by the distance of camerist camera distance, size to the long and the wideest place of different people face estimates to obtain a long and wide mean value, with the length that obtains and wide mean value long limit and broadside, and this rectangular area is provided with expection size into people's face as the rectangular area; The size threshold value of people's face is that long limit and the broadside according to the rectangular area of the expection size of the expression people face that obtains deducts a droop respectively, obtain a littler rectangular area, and the rectangular area that obtains is set to the minimum value of size threshold value, long limit and broadside according to the rectangular area of the expection size of the expression people face that obtains add a droop respectively, obtain a bigger rectangular area, and the rectangular area that obtains is set to the maximal value of size threshold value, and described droop determines people's face photograph permissible accuracy according to system.
Can be regularly the expection size of people's face of being provided with and the size threshold value of people's face be made amendment, also can regulate the expection size threshold value big or small and people's face of people's face of being provided with according to the concrete condition of people's face.
Be elaborated below in conjunction with the detailed process of Fig. 2 process flow diagram to this distance treatment for correcting:
The actual size of S201, detection people face.
S202, the actual size of detected people's face and the size threshold value of setting are compared,, then carry out S203 if the actual size of detected people's face illustrates that greater than the maximal value of the size threshold value that is provided with the people is too near from the position of camera; If the actual size of detected people's face illustrates that less than the minimum value of the size threshold value that is provided with the people is too far away from the position of camera, then carry out S204; If the actual size of detected people's face in the size threshold value interval that is provided with, illustrate people's far and near suitable from camera, then carry out S205, i.e. directly photograph.
S203, to determine to be proofreaied and correct the own position from camera by camerist far away, and by the relevant information of follower output to by camerist.
S204, to determine to be proofreaied and correct the own position from camera by camerist near, and by the relevant information of follower output to by camerist.
When the size threshold value of actual size that compares people's face and setting, specific as follows:
When the long limit size of the rectangular area of the actual size of expression people face maximal value greater than the long limit size of the rectangular area of representing size threshold value, maybe when the broadside size of the rectangular area of the actual size of expression people face maximal value, then judge to be the actual size of people's face maximal value greater than the size threshold value that is provided with greater than the broadside size of the rectangular area of expression size threshold value;
When the long limit size of the rectangular area of the actual size of expression people face minimum value less than the long limit size of the rectangular area of representing size threshold value, and, judge that then actual size for people's face is less than the size threshold value that is provided with when the broadside size of the rectangular area of the actual size of expression people face during less than the minimum value of the broadside size of the rectangular area of expression size threshold value;
Long limit size and broadside size when the rectangular area of the actual size of expression people face, respectively between the maximal value and minimum value of the long limit size of rectangular area of expression size threshold value and broadside size, judge that then actual size for people's face is in the size threshold value interval of setting.
The posture treatment for correcting:
This treatment for correcting is that the position threshold place radius of a circle with the length of the line of the desired location of people's face of the central point of the rectangular area at the physical location place of detected people's face and setting and setting compares, if the length of the line of the desired location of the central point of the rectangular area at the physical location place of detected people's face and people's face of setting is greater than the position threshold place radius of a circle that is provided with, then determine and to be proofreaied and correct the posture of oneself taking a picture by camerist, and give by camerist by the relevant information of follower output; If the length of the line of the desired location of the central point of the rectangular area at the physical location place of detected people's face and people's face of setting is less than or equal to the position threshold place radius of a circle of setting, then can directly take a picture.
Before carrying out this step, the desired location and the position threshold of people's face are set in system in advance, wherein, the desired location of people's face is according to being provided with by the position at camerist possibility place in photo, get the central point of the rectangular area at the place, position that people's face may show in image, the central point that obtains is set to by the desired location of people's face of camerist, and the coordinate of the central point that obtains in image is set to the coordinate of desired location; The position threshold of people's face be the desired location with the people's face that obtains be round dot, with the circle that a regular length is a radius, described regular length determines people's face photograph permissible accuracy according to system.
Can be regularly the desired location of people's face of being provided with and the position threshold of people's face be made amendment, also can regulate the desired location of people's face of being provided with and the position threshold of people's face according to the concrete condition of people's face.
Be elaborated below in conjunction with the detailed process of Fig. 3 process flow diagram to this posture treatment for correcting:
The physical location of S301, detection people face.
S302, with the length of the line of the desired location of people's face of the central point of the rectangular area at the physical location place of detected people's face and setting, compare with the position threshold place radius of a circle that is provided with, if the length of the central point of the rectangular area at the physical location place of detected people's face and the line of described desired location is greater than described position threshold place radius of a circle, explanation is needed to proofread and correct by the posture of camerist, then carries out S303 to S306; If the length of the central point of the rectangular area at the physical location place of detected people's face and the line of described desired location is less than or equal to described position threshold place radius of a circle, it is suitable to illustrate by the posture of camerist, then carries out S307, promptly directly takes a picture.
When being needed timing by the posture of camerist, the line of the central point that present embodiment can be by the rectangular area at the physical location place of people's face relatively and the desired location of people's face and horizontal acute angle angle and with the acute angle angle of perpendicular line, and according to comparative result and by the central point region of the rectangular area at camerist physical location place, the relevant information of output is to follower, and the posture of oneself is proofreaied and correct in prompting according to information by camerist.For explaining conveniently, to describe as shown in Figure 4:
Desired location with people's face is the initial point of coordinate system, and horizontal line and the perpendicular line of crossing initial point are four zones with image segmentation.The desired location of the central point of the rectangular area at the physical location place of people's face that joint detection arrives and people's face of setting, and determine that this straight line and horizontal acute angle angle are H, and the acute angle angle of this straight line and perpendicular line is V.
S303, the size that compares H and V, if V equals H, also promptly when the central point of the rectangular area at the physical location place of people's face to horizontal distance through described desired location, equal described physical location place the rectangular area central point to through the perpendicular line of described desired location apart from the time, then carry out S304; If V is greater than H, also promptly when the central point of the rectangular area at the physical location place of people's face to horizontal distance through described desired location, less than the central point of the rectangular area at described physical location place to through the perpendicular line of described desired location apart from the time, then carry out S305; If V is less than H, also promptly when the central point of the rectangular area at the physical location place of people's face to horizontal distance through described desired location, greater than the central point of the rectangular area at described physical location place to through the perpendicular line of described desired location apart from the time, then carry out S306.
S304, determine central point region in image of rectangular area at the physical location place of people's face, and give by camerist that the posture of oneself is proofreaied and correct in prompting according to information by camerist according to the relevant information of its region output.Specific as follows:
If the central point of the rectangular area at the physical location place of people's face illustrates people's face high right arrows in the first area, determine that need be proofreaied and correct its face by camerist moves to the lower right, and give by camerist by the relevant information of follower output;
Below if the central point of the rectangular area at the physical location place of people's face at second area, illustrates that people's face takes over, determine that need be proofreaied and correct its face by camerist moves to the upper right side, and give by camerist by the relevant information of follower output;
Below if the central point of the rectangular area at the physical location place of people's face in the 3rd zone, illustrates that people's face is taken back, determine that need be proofreaied and correct its face by camerist moves to the upper left side, and give by camerist by the relevant information of follower output;
If the central point of the rectangular area at the physical location place of people's face, illustrate people's face top of taking back in the 4th zone, determine that need be proofreaied and correct its face by camerist moves the below left, and by the relevant information of follower output to by camerist.
S305, determine central point region in image of rectangular area at the physical location place of people's face, and give by camerist that the posture of oneself is proofreaied and correct in prompting according to information by camerist according to the relevant information of its region output.Specific as follows:
If the central point of the rectangular area at the physical location place of people's face in the first area or second area, illustrate people's face side of taking over, determine that need be proofreaied and correct its face by camerist moves to left, and by the relevant information of follower output to by camerist;
If the central point of the rectangular area at the physical location place of people's face illustrates people's face side of taking back in the 3rd zone or the 4th zone, determine that need be proofreaied and correct its face by camerist moves to right-hand, and give by camerist by the relevant information of follower output.
S306, determine central point region in image of rectangular area at the physical location place of people's face, and give by camerist that the posture of oneself is proofreaied and correct in prompting according to information by camerist according to the relevant information of its region output.Specific as follows:
If the central point of the rectangular area at the physical location place of people's face in the first area or the 4th zone, illustrate people's face side on the upper side, determine that need be proofreaied and correct its face by camerist moves downwards, and by the relevant information of follower output to by camerist;
If the central point of the rectangular area at the physical location place of people's face, illustrates people's face side on the lower side in second area or the 3rd zone, determine that need be proofreaied and correct its side of facing upward by camerist moves, and give by camerist by the relevant information of follower output.
In above-mentioned posture treatment for correcting process, when the desired location of people's face is set, do not limit the central point of the rectangular area of getting the place, position that people's face may show in image, the central point that obtains is set to by the desired location of people's face of camerist, also can get any one point in the rectangular area at the place, position that people's face may show in image, the point of being got is set to by the desired location of people's face of camerist.Must be corresponding when it should be noted that the point in the rectangular area, physical location place of getting people's face with the desired location position at place in the rectangular area that is provided with, for example, if get the central point of the rectangular area at the place, position that people's face may show in image, and with the coordinate of the coordinate of this central point in image as desired location, then get the central point of the rectangular area, physical location place of people's face equally, and with the coordinate of the coordinate of this central point in image as physical location.
The horizontal level treatment for correcting:
This treatment for correcting is to determine the line and the horizontal acute angle angle of two positions of eyes in image of detected people's face earlier, the acute angle angle that relatively obtains and the angle threshold of setting, if described acute angle angle is greater than described angle threshold, determine to be proofreaied and correct the horizontal level of oneself by camerist, then give by camerist by the relevant information of follower output; If described acute angle angle is less than or equal to described angle threshold, then can directly take a picture.
Before carrying out this step, angle threshold is set in system in advance, this angle threshold is determined people's face photograph permissible accuracy according to system.
For explaining conveniently, the left eye of getting people's face is human eye line and horizontal intersection point, in conjunction with Fig. 5 process flow diagram this process is elaborated:
Two positions of eyes in image of S501, detection people face.
S502, relatively with the angle threshold of the line of two positions of eyes in image of detected people's face and horizontal acute angle angle and setting, if this human eye line and horizontal angle are during greater than angle threshold, explanation is needed to proofread and correct by the horizontal level of camerist, then carries out S503 to S505; If this human eye contact and horizontal angle are smaller or equal to angle threshold, it is suitable to illustrate by the horizontal level of camerist, then carries out S506, promptly directly takes a picture.
S503, judgement right eye if right eye on horizontal line, illustrates that right eye is higher than left eye, are then carried out S504 with respect to the horizontal position through left eye; If right eye under horizontal line, illustrates that right eye is lower than left eye, then carry out S505.
S504, to determine to be proofreaied and correct its body left side by camerist higher, and the right is low, and gives by camerist by the relevant information of follower output.
S505, to determine to be proofreaied and correct its body left side by camerist low, and the right is higher, and gives by camerist by the relevant information of follower output.
It is to be noted, image to the detected people's of comprising face among the S200 carries out far and near treatment for correcting, posture treatment for correcting and horizontal level treatment for correcting successively, can obtain the photo of better effects if, be particularly useful for certificate photographs such as I.D., can certainly only adopt any one or two kinds of combinations in above-mentioned three kinds of treatment for correcting, the image of the detected people's of comprising face among the S200 is carried out treatment for correcting.
In addition, this method not only is fit to people's face is taken a picture, and for example certificate such as I.D. is taken a picture; Also be fit to a plurality of people's faces are taken a picture, for example souvenir such as wedding photo is taken a picture.When people's face is taken a picture, one group of expection size, size threshold value, desired location, position threshold, angle threshold etc. can be set; When a plurality of people's faces are taken a picture, can many group expection sizes, size threshold value, desired location, position threshold, angle threshold etc. be set at everyone, one group of expection size, size threshold value, angle threshold also can only be set, and many group desired location, position threshold are set at everyone, when specifically being provided with, be determined on a case-by-case basis.Simultaneously, when the output information,, distinguished by camerist a plurality of if many people take a picture, according to the situation of concrete setting and the result of far and near treatment for correcting and/or posture treatment for correcting and/or horizontal level treatment for correcting, prompting is accordingly by camerist.
Second embodiment of the invention provides a kind of photographic means, and as shown in Figure 6, this photographic means comprises: target component detecting unit, position adjustment information determining unit, follower and camera unit.Further, if need obtain the photo of better effects if, then this photographic means can also comprise: parameter set unit;
Wherein, the target component detecting unit is used for detecting the target component of the image of input;
Position adjustment information determining unit is used for according to the testing result to described target component, determines by the position adjustment information of camerist;
Follower is used for according to described position adjustment information, and output corresponding prompt information is carried out the position adjustment by camerist;
Camera unit is used for being taken a picture by camerist.
Wherein, described target component detecting unit specifically is used to detect in the image of input whether comprise people's face;
Described position adjustment information determining unit, when specifically being used for not comprising people's face in the image of testing result for input according to described target component detecting unit, then determining needs to adjust by the position of camerist; Otherwise, definite position that does not need to adjust by camerist.
If wish to obtain the photo of better effects if, the image that comprises people's face is continued to detect, then the parameter set unit that further comprises of the photographic means that provides of present embodiment specifically is used for according to the size of images of input with by camerist camera distance mean distance the expection size being set; Be used for also that the requirement of precision is provided with size threshold value when according to the expection size that is provided with and system people's face being taken a picture.
Correspondingly, described target component detecting unit also is used for the actual size of detected image people face.
Correspondingly, described position adjustment information determining unit also is used for the actual size of detected people's face and the size threshold value of setting are compared, if the actual size of described people's face is greater than the maximal value of described size threshold value, then definite too near from camera by camerist, need to adjust by the position of camerist; If it is too far away from camera by camerist that the actual size of described people's face less than the minimum value of described size threshold value, is then determined, need to adjust by the position of camerist; If the actual size of described people's face in described size threshold value interval, then determines not need to adjust the position by camerist.
Correspondingly, described follower specifically is used for determining by camerist that when described position adjustment information determining unit the relevant information of output is given by camerist when camera is too near; Or, when described position adjustment information determining unit determines that by camerist the relevant information of output is given by camerist when camera is too far away.
Correspondingly, described camera unit specifically is used for taking a picture when described position adjustment information determining unit is determined not need to adjust by the position of camerist.
If wish to obtain the photo of better effects if, the image that comprises people's face is continued to detect, the parameter set unit that further comprises of the photographic means that provides of present embodiment then, specifically be used for according to by camerist photo may the place the position desired location is set; Be used for also that the requirement of precision is provided with position threshold when according to the desired location that is provided with and system people's face being taken a picture.
Correspondingly, described target component detecting unit also is used for the physical location of detected image people face.
Correspondingly, described position adjustment information determining unit, also be used for relatively the position threshold place radius of a circle of the length of the line of the desired location of people's face of the set point of the rectangular area at the physical location place of detected people's face and setting and setting, if the length of the line of the desired location of the set point of the rectangular area at the physical location place of described people's face and people's face of setting greater than described position threshold place radius of a circle, is then determined and need be proofreaied and correct its posture by camerist; If the length of the set point of the rectangular area at the physical location place of described people's face and the line of described desired location is less than or equal to described position threshold place radius of a circle, then definite position that does not need to adjust by camerist.
Correspondingly, described follower specifically is used for when described position adjustment information determining unit is determined to be proofreaied and correct its posture by camerist, and the relevant information of output is given by camerist.
Correspondingly, described camera unit specifically is used for taking a picture when described position adjustment information determining unit is determined not need to adjust by the position of camerist.
In order to determine to be proofreaied and correct by camerist the concrete information of its posture, then described photographic means also comprises: the area dividing unit, be used to utilize horizontal line and perpendicular line, the image region is divided into right regions, lower right area, zone, lower-left, top left region through the desired location of described people's face;
Determining unit is adjusted in described position, comprising:
Position adjustment information first is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, the set point that equals the rectangular area at described physical location place arrives the distance of the perpendicular line of the described desired location of process, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves to the lower right when right regions;
Perhaps,
Position adjustment information second is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, the set point that equals the rectangular area at described physical location place arrives the distance of the perpendicular line of the described desired location of process, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves to the upper right side when lower right area;
Perhaps,
Position adjustment information the 3rd is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, the set point that equals the rectangular area at described physical location place arrives the distance of the perpendicular line of the described desired location of process, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves to the upper left side when the zone, lower-left;
Perhaps,
Position adjustment information the 4th is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, the set point that equals the rectangular area at described physical location place arrives the distance of the perpendicular line of the described desired location of process, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves the below left when top left region;
Perhaps,
Position adjustment information the 5th is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, less than the set point of the rectangular area at described physical location place to distance through the perpendicular line of described desired location, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves to the left side when right regions or lower right area;
Perhaps,
Position adjustment information the 6th is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, less than the set point of the rectangular area at described physical location place to distance through the perpendicular line of described desired location, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves to the right when top left region or zone, lower-left;
Perhaps,
Position adjustment information the 7th is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, greater than the set point of the rectangular area at described physical location place to distance through the perpendicular line of described desired location, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its face by camerist moves downwards when right regions or top left region;
Perhaps,
Position adjustment information the 8th is determined subelement, be used for set point when the rectangular area at the physical location place of people's face to horizontal distance through described desired location, greater than the set point of the rectangular area at described physical location place to distance through the perpendicular line of described desired location, and the set point of the rectangular area at the physical location place of people's face determines that then need be proofreaied and correct its side of facing upward by camerist moves when lower right area or zone, lower-left.
If wish to obtain the photo of better effects if, the image that comprises people's face is continued to detect, the parameter set unit that further comprises of the photographic means that provides of present embodiment then is used for specifically that the requirement of precision is provided with angle threshold when according to system people's face being taken a picture.
Correspondingly, described target component detecting unit also is used for two positions of eyes in image of detected image people face.
Correspondingly, described position adjustment information determining unit, also be used for two eyes of detected people's face are compared at the angle threshold of the line of the position of image and acute angle angle between the horizontal line and setting, if described acute angle angle greater than the angle threshold that is provided with, then determines to be proofreaied and correct by camerist the horizontal level of its face; If described acute angle angle is less than or equal to the angle threshold of setting, then determine the position that does not need to adjust by camerist.
Correspondingly, described follower specifically is used for when described position adjustment information determining unit is determined to be proofreaied and correct the horizontal level of its face by camerist, and the relevant information of output is given by camerist.
Correspondingly, described camera unit specifically is used for determining when not needing to adjust by the position of camerist when described position adjustment information determining unit, takes a picture.
For the concrete information of determining to be proofreaied and correct the horizontal level of its face by camerist, then described position adjustment information determining unit comprises:
The horizontal level first syndrome unit, be used for determining that described acute angle angle is greater than the angle threshold that is provided with, and the height of its described eye place side people face is then determined to be reduced by camerist on through the horizontal line of the position of another eyes the time in the position of eyes;
Perhaps,
The horizontal level second syndrome unit, be used for determining that described acute angle angle is greater than the angle threshold that is provided with, and the height of its described eye place side people face is then determined to be raised by camerist under through the horizontal line of the position of another eyes the time in the position of eyes.
Above-mentioned parameter is provided with the unit, when people's face is taken a picture, is used to be provided with one group of expection size, size threshold value, desired location, position threshold, angle threshold etc.; When a plurality of people's faces are taken a picture, be used for many group expection sizes, size threshold value, desired location, position threshold, angle threshold etc. being set at everyone, also can be used to be provided with one group of expection size, size threshold value, angle threshold, and many group desired location, position threshold are set at everyone, when specifically being provided with, be determined on a case-by-case basis.
By above technical scheme, the embodiment of the invention is by the target component in the image that detects input; According to testing result, determine by the position adjustment information of camerist to described target component; According to described position adjustment information, output corresponding prompt information is carried out the position adjustment by camerist; Perhaps, according to described position adjustment information, the notice relevant hardware is to being taken a picture by camerist, thereby realizes auto photographing.The technical scheme that the embodiment of the invention provides is particularly useful for certificate photograph such as I.D..
In addition, the actual size of detected people's face and the size threshold value of setting are compared, remind by camerist by comparative result and proofread and correct own distance, to obtain the photo of better effects if from camera.
In addition, with the position threshold place radius of a circle of the length of the line of the position threshold of the set point of the rectangular area at the physical location place of detected people's face and setting and setting relatively, remind by the posture of camerist correction oneself, to obtain the photo of better effects if by comparative result.
In addition, the line of detected human eye and the angle threshold of horizontal angle and setting are compared, remind by the horizontal level of camerist correction oneself, to obtain the photo of better effects if by comparative result.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.