CN103873754A - Image extraction method and device - Google Patents
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- CN103873754A CN103873754A CN201210540927.5A CN201210540927A CN103873754A CN 103873754 A CN103873754 A CN 103873754A CN 201210540927 A CN201210540927 A CN 201210540927A CN 103873754 A CN103873754 A CN 103873754A
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Abstract
The embodiment of the invention provides an image extraction method and device, relating to the image field and used for accurately extracting target images. The method comprises obtaining a first image, receiving the infrared light reflected by a reference body and obtaining a second image in dependence on the reflected infrared light; wherein the second image corresponds with the first image; the first image and the second image are sent to an image processing device, so that the image processing device maps the second image with the first image and extracts target images from the first image in dependence on the second image. The image extraction method and device are used for extracting images.
Description
Technical field
The present invention relates to image field, relate in particular to the method and apparatus that a kind of image extracts.
Background technology
In prior art, user can obtain by video camera the image of object, and from this image, extract a target image by computer, usually, this image comprises background image and target image, computer can contrast this image and the image that only includes this background image of preserving before, wherein, the part that deviation is larger is the target image that needs extraction, for example, user places an object on panel computer, video camera gets the image that comprises square position computer and this object, and the image that only includes square position computer of this image and computer preservation is contrasted, thereby the image that the deviation part of determining two images is this object, the image of determining this object is the target image that needs extraction.
But, adopt in this way, due to the error of contrast, the clear extraction target image of having no idea, and the target image extracting is imperfect or background object (for example above-mentioned panel computer) is identified as to target image, in addition, because also may causing, the impact of environment (as light) extracts fall short image.
Summary of the invention
The method and apparatus that embodiments of the invention provide a kind of image to extract, for accurately extracting target image.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide a kind of image extraction method, be applied to image acquisition equipment, comprising:
Obtain the first image; Described the first image is the image corresponding with reference to body;
Receive the described infrared light with reference to body reflection, and obtain the second image according to the infrared light of described reflection; Wherein, corresponding described the first image of described the second image;
Described the first image and described the second image are sent to described image processing equipment so that described image processing equipment is described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
On the other hand, a kind of method that provides image to extract, is applied to image processing equipment, comprising:
Receive the first image and the second image that image acquisition equipment sends;
By described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
On the other hand, provide a kind of image acquisition equipment, comprising:
The first acquiring unit, for obtaining the first image; Described the first image is the image corresponding with reference to body;
Receiving element, for receiving the described infrared light with reference to body reflection;
Second acquisition unit, obtains the second image for the infrared light receiving according to described receiving element; Wherein, corresponding described the first image of described the second image;
Transmitting element, for described the first image and described the second image are sent to described image processing equipment, so that described image processing equipment is described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
On the other hand, provide a kind of image processing equipment, comprising:
Receiving element, the first image and the second image that send for receiving image acquisition equipment;
Map unit, for by described the second image and described the first image mapped;
Extraction unit, for according to described the second image from described the first extracting target from images image.
Adopt such scheme, image acquisition equipment obtains the first image and infrared light and second image corresponding with this first image with reference to body reflection by reception, because receiving infrared light, image acquisition equipment not changed by the impact of environment (as light), therefore guaranteed the accuracy of the second image obtaining, this second image is sent to image processing equipment, so that this image processing equipment according to this second image from this first extracting target from images image, thereby realized the accurate extraction to target image.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The method schematic diagram that a kind of image that Fig. 1 provides for the embodiment of the present invention extracts;
The method schematic diagram that the another kind of image that Fig. 2 provides for the embodiment of the present invention extracts;
The schematic flow sheet of a kind of image extraction method that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of image acquisition equipment that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of image acquisition equipment that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of image processing equipment that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A kind of method that the embodiment of the present invention provides image to extract, as shown in Figure 1, the executive agent of the method is image acquisition equipment, comprising:
S101, image acquisition equipment obtain the first image.
Wherein, this first image is the image corresponding with reference to body, and this first image comprises the target image that background image and user need to extract.
S102, image acquisition equipment receive the infrared light with reference to body reflection, and obtain the second image according to the infrared light of this reflection.
Wherein, this comprises the first object and the second object with reference to body; This second image is to should the first image; That is to say, the first image is the image that corresponding the first object of image acquisition equipment and the second object obtain, and the second image is also to should the first object and the image that obtains of the second object.
Particularly, image acquisition equipment is to reference to body transmitting infrared light, and receives the infrared light of this first object reflection; Or image acquisition equipment receives the infrared light of this second object reflection.
Image acquisition equipment obtains the first identification image and the second identification image according to the infrared light of this reflection.
Wherein, this first identification image comprises and receives the image that this infrared light forms; This second identification image comprises and does not receive the image that this infrared light forms;
Image acquisition equipment obtains this second image according to this first identification image and this second identification image.
Illustratively, the first object is positioned on the second object, if this first object reflects infrared light, not reflects infrared light of the second object, this image acquisition equipment is in the time receiving the infrared light of reflection, the corresponding white image (being the first identification image of corresponding the first object) that forms, image acquisition equipment does not receive the infrared light of this reflection, the corresponding black image (and second identification image of corresponding the second object) that forms, like this, the second image forming comprises white image and black image, wherein, white image is the image that corresponding the first object forms, black image is the image that corresponding the second object forms, and the white image position corresponding with black image is also identical with position corresponding to the first object and the second object.
Certainly, image acquisition equipment, in the time receiving the infrared light of reflection, also can correspondingly form black image, and image acquisition equipment does not receive the infrared light of this reflection, the corresponding white image that forms, and the present invention is not construed as limiting this.
This first image and this second image are sent to this image processing equipment by S103, image acquisition equipment so that this image processing equipment is this second image and this first image mapped, and according to this second image from this first extracting target from images image.
Particularly, image processing equipment is receiving after this first image and the second image, by the first image and the second image mapped, if the first object reflects infrared light and this first object are the target object that needs extraction on the first image, this first object first corresponding identification image on the second image is white image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of white image in the first image in the second image can extract this target image.
It should be noted that, also can be not reflects infrared light of the first object, the second object reflects infrared light, the first object second corresponding identification image on the second image is black image, the second object first corresponding identification image on the second image is white image, if the first object is still the target object that needs extraction on the first image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of black image in the first image in the second image can extract this target image.
Above-mentioned the first identification image and the second identification image are that white image and black image just illustrate; the present invention is not limited thereto, as long as guaranteeing that image processing equipment accurately distinguishes the identification image of this first identification image and the second identification image and all should fall within the scope of protection of the present invention.
Adopting above-mentioned executive agent is the scheme of image acquisition equipment, image acquisition equipment obtains the first image and infrared light and second image corresponding with this first image with reference to body reflection by reception, because receiving infrared light, image acquisition equipment not changed by the impact of environment (as light), therefore guaranteed the accuracy of the second image obtaining, this second image is sent to image processing equipment, so that this image processing equipment according to this second image from this first extracting target from images image, thereby realized the accurate extraction to target image.
A kind of method that the embodiment of the present invention provides image to extract, as shown in Figure 2, the executive agent of the method is image processing equipment, comprising:
S201, image processing equipment receive the first image and the second image that image acquisition equipment sends.
Alternatively, image processing equipment receives the first identification image and the second identification image that image acquisition equipment sends.
Wherein, this first identification image comprises that this image acquisition equipment receives the image that infrared light forms; This second identification image comprises that this image acquisition equipment does not receive the image that infrared light forms.
Particularly, image acquisition equipment obtains the first image, and wherein, this first image comprises the target image that background image and user need to extract.
Image acquisition equipment is to reference to body transmitting infrared light, and receives the infrared light of this first object reflection; Or image acquisition equipment receives the infrared light of this second object reflection.
Image acquisition equipment obtains the first identification image and the second identification image according to the infrared light of this reflection, and obtains this second image according to this first identification image and this second identification image.
Wherein, this first identification image comprises and receives the image that this infrared light forms; This second identification image comprises and does not receive the image that this infrared light forms.
Illustratively, the first object is positioned on the second object, if this first object reflects infrared light, not reflects infrared light of the second object, this image acquisition equipment is in the time receiving the infrared light of reflection, the corresponding white image (being the first identification image of corresponding the first object) that forms, image acquisition equipment does not receive the infrared light of this reflection, the corresponding black image (and second identification image of corresponding the second object) that forms, like this, the second image forming comprises white image and black image, wherein, white image is the image that corresponding the first object forms, black image is the image that corresponding the second object forms, and the white image position corresponding with black image is also identical with position corresponding to the first object and the second object.
S202, image processing equipment be this second image and this first image mapped, and according to this second image from this first extracting target from images image.
Further, the image that extracts this first identification image correspondence on this first image is established in image processing; Or,
The image that extracts this second identification image correspondence on this first image is established in image processing.
Particularly, image processing equipment is receiving after this first image and the second image, by the first image and the second image mapped, if the first object reflects infrared light and this first object are the target object that needs extraction on the first image, this first object first corresponding identification image on the second image is white image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of white image in the first image in the second image can extract this target image.
Certainly, also can be not reflects infrared light of the first object, the second object reflects infrared light, the first object second corresponding identification image on the second image is black image, the second object first corresponding identification image on the second image is white image, if the first object is still the target object that needs extraction on the first image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of black image in the first image in the second image can extract this target image.
It should be noted that; above-mentioned the first identification image and the second identification image are that white image and black image just illustrate; the present invention is not limited thereto, as long as guaranteeing that image processing equipment accurately distinguishes the identification image of this first identification image and the second identification image and all should fall within the scope of protection of the present invention.
Further, in actual applications, the first object reflects infrared light, the second object may have also reflects infrared light of part, now, image processing equipment extracts the 3rd image from this first image according to this second image, and extracts this target image from the 3rd image.
Wherein, the 3rd image comprises residual image and target image.
For example, this first object is dice, and this second object is panel computer, and panel computer comprises two parts: lcd screen and frame, be positioned over dice on the screen of panel computer; Wherein, dice reflects infrared light, lcd screen is reflects infrared light not, frame reflects infrared light, now, image processing equipment extracts the 3rd image from obtain the second image, and the 3rd image comprises target image and residual image corresponding to frame that dice is corresponding, and image processing equipment extracts the target image that dice is corresponding again from the 3rd image.
Particularly, image processing equipment receives clearance order, and remove residual image corresponding to frame according to this clearance order, this clearance order can operate generation by user, for example, first selected afterimage corresponding to frame of user, thereby as choosing the characteristic point of some on frame, user indicates scope to be removed, remove function by activation again, so that this image processing equipment receives clearance order, thereby remove the above-mentioned image for the treatment of within the scope of removing, certainly, user also can activate erase feature, in the time that user activates erase feature, this image processing equipment shows an erasure pointer, this erasure pointer is for wiping the image of the position of indicating on the 3rd image, user wipes injury residual image by controlling this erasure pointer, here just illustrate, the present invention is not construed as limiting.
Adopting above-mentioned executive agent is the scheme of image processing equipment, image processing equipment receives the first image of image acquisition equipment transmission and obtains and second image corresponding with this first image by receiving with reference to the infrared light of body reflection, because receiving infrared light, image acquisition equipment not changed by the impact of environment (as light), therefore, image processing equipment can extract accurately target image according to this second image from this first image.
A kind of method that the embodiment of the present invention provides image to extract, as shown in Figure 3, in the present embodiment, the first object is dice, and the second object is panel computer, the screen of this panel computer is lcd screen, this image acquisition equipment is thermal camera, the present invention be on the screen dice is placed on to panel computer as example describes, the image of dice be need extract target image, the embodiment of the present invention is not construed as limiting, and the method comprises:
S301, thermal camera obtain the first image.
Wherein, this first image comprises the image of the image of dice and the panel computer of correspondence, and dice is placed on image corresponding on panel computer.
S302, thermal camera are to panel computer and dice transmitting infrared light.
Wherein, dice reflects infrared light, the lcd screen of panel computer absorbs infrared light, the also reflects infrared light of panel computer.
S303, thermal camera receive the infrared light of reflection, and form the second image according to the infrared light of reflection.
Wherein, the second image comprises dice and corresponding the first identification image and the second identification image corresponding to lcd screen of panel computer frame; The first identification image is the image that thermal camera receives the infrared light formation of reflection, the second identification image is the image that thermal camera does not receive the infrared light formation of reflection, in this enforcement, the first identification image is white image, and the second identification image is black image.
The first image and the second image are sent to image processing equipment by S304, thermal camera.
S305, image processing equipment are by the second image and the first image mapped.
S306, image processing equipment obtain the 3rd image according to this second image from the first image.
Particularly, the image of white image correspondence position in the first image is extracted and is the 3rd image.
Wherein, the 3rd image comprises the image of dice and the image of panel computer frame.
S307, image processing equipment are from the 3rd extracting target from images image.
Particularly, image processing equipment receives clearance order, and remove residual image corresponding to frame according to this clearance order, this clearance order can operate generation by user, for example, first selected afterimage corresponding to frame of user, thereby as choosing the characteristic point of some on frame, user indicates scope to be removed, remove function by activation again, so that this image processing equipment receives clearance order, thereby remove the above-mentioned image for the treatment of within the scope of removing, certainly, user also can activate erase feature, in the time that user activates erase feature, this image processing equipment shows an erasure pointer, this erasure pointer is for wiping the image of the position of indicating on the 3rd image, user wipes injury residual image by controlling this erasure pointer, here just illustrate, the present invention is not construed as limiting.
Adopt such scheme, thermal camera obtains the first image and infrared light and second image corresponding with this first image with reference to body reflection by reception, because receiving infrared light, thermal camera not changed by the impact of environment (as light), therefore guaranteed the accuracy of the second image obtaining, this second image is sent to image processing equipment by thermal camera, this image processing equipment according to this second image from this first extracting target from images image, thereby realized the accurate extraction to target image.
It should be noted that, for said method embodiment, for simple description, thus it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
The embodiment of the present invention provides a kind of image acquisition equipment 40, as shown in Figure 4, comprising:
The first acquiring unit 41, for obtaining the first image.
Wherein, this first image is the image corresponding with reference to body.
Receiving element 42, for receiving the infrared light with reference to body reflection.
Wherein, this second image is to should the first image.
Transmitting element 44, for this first image and this second image are sent to this image processing equipment so that this image processing equipment is this second image and this first image mapped, and according to this second image from this first extracting target from images image.
Further, as shown in Figure 5, this image acquisition equipment 40 also comprises: transmitter unit 45, and for to reference to body transmitting infrared light.
Wherein, this comprises the first object and the second object with reference to body; This second image is to should the first image; That is to say, the first image is the image that corresponding the first object of image acquisition equipment and the second object obtain, and the second image is also to should the first object and the image that obtains of the second object.
This receiving element 42 specifically for, receive the infrared light of this first object reflection; Or, receive the infrared light that this second object reflects.
Alternatively, this second acquisition unit 43 specifically for, the infrared light of the reflection receiving according to this receiving element 42 obtains the first identification image and the second identification image.
Wherein, this first identification image comprises and receives the image that the infrared light of this reflection forms; This second identification image comprises and does not receive the image that the infrared light of this reflection forms, and obtains this second image according to this first identification image and this second identification image.
Illustratively, the first object is positioned on the second object, if this first object reflects infrared light, not reflects infrared light of the second object, this image acquisition equipment is in the time receiving the infrared light of reflection, the corresponding white image (being the first identification image of corresponding the first object) that forms, image acquisition equipment does not receive the infrared light of this reflection, the corresponding black image (and second identification image of corresponding the second object) that forms, like this, the second image forming comprises white image and black image, wherein, white image is the image that corresponding the first object forms, black image is the image that corresponding the second object forms, and the white image position corresponding with black image is also identical with position corresponding to the first object and the second object.
Certainly, image acquisition equipment, in the time receiving the infrared light of reflection, also can correspondingly form black image, and image acquisition equipment does not receive the infrared light of this reflection, the corresponding white image that forms, and the present invention is not construed as limiting this.
Adopt above-mentioned image acquisition equipment, image acquisition equipment obtains the first image and infrared light and second image corresponding with this first image with reference to body reflection by reception, because receiving infrared light, image acquisition equipment not changed by the impact of environment (as light), therefore guaranteed the accuracy of the second image obtaining, this second image is sent to image processing equipment, so that this image processing equipment according to this second image from this first extracting target from images image, thereby realized the accurate extraction to target image.
Affiliated those skilled in the art can be well understood to, for convenience and simplicity of description, specific works process and the description of the image acquisition equipment of foregoing description, the corresponding process in the embodiment of the method that can describe with reference to earlier figures 1, does not repeat them here.
The embodiment of the present invention provides a kind of image processing equipment 60, as shown in Figure 6, comprising:
Receiving element 61, the first image and the second image that send for receiving image acquisition equipment;
Alternatively, this receiving element 61 specifically for, receive image acquisition equipment send the first identification image and the second identification image.
Wherein, this first identification image comprises that this image acquisition equipment receives the image that infrared light forms; This second identification image comprises that this image acquisition equipment does not receive the image that infrared light forms.
Alternatively, this extraction unit 63 specifically for, extract this first identification image corresponding image on this first image; Or,
Extract the image of this second identification image correspondence on this first image.
Particularly, image processing equipment is receiving after this first image and the second image, by the first image and the second image mapped, if the first object reflects infrared light and this first object are the target object that needs extraction on the first image, this first object first corresponding identification image on the second image is white image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of white image in the first image in the second image can extract this target image.
Certainly, also can be not reflects infrared light of the first object, the second object reflects infrared light, the first object second corresponding identification image on the second image is black image, the second object first corresponding identification image on the second image is white image, if the first object is still the target object that needs extraction on the first image, image processing equipment is by after the second image and this first image mapped, and only need to extract the correspondence image of black image in the first image in the second image can extract this target image.
It should be noted that; above-mentioned the first identification image and the second identification image are that white image and black image just illustrate; the present invention is not limited thereto, as long as guaranteeing that image processing equipment accurately distinguishes the identification image of this first identification image and the second identification image and all should fall within the scope of protection of the present invention.
Alternatively, this extraction unit 63 specifically for, from this first image, extract the 3rd image according to this second image, and extract this target image from the 3rd image.
Wherein, the 3rd image comprises residual image and target image.
For example, this first object is dice, and this second object is panel computer, and panel computer comprises two parts: lcd screen and frame, be positioned over dice on the screen of panel computer; Wherein, dice reflects infrared light, lcd screen is reflects infrared light not, frame reflects infrared light, now, image processing equipment extracts the 3rd image from obtain the second image, and the 3rd image comprises target image and residual image corresponding to frame that dice is corresponding, and image processing equipment extracts the target image that dice is corresponding again from the 3rd image.
Particularly, image processing equipment receives clearance order, and remove residual image corresponding to frame according to this clearance order, this clearance order can operate generation by user, for example, first selected afterimage corresponding to frame of user, thereby as choosing the characteristic point of some on frame, user indicates scope to be removed, remove function by activation again, so that this image processing equipment receives clearance order, thereby remove the above-mentioned image for the treatment of within the scope of removing, certainly, user also can activate erase feature, in the time that user activates erase feature, this image processing equipment shows an erasure pointer, this erasure pointer is for wiping the image of the position of indicating on the 3rd image, user wipes injury residual image by controlling this erasure pointer, here just illustrate, the present invention is not construed as limiting.
Adopt above-mentioned image processing equipment, image processing equipment receives the first image of image acquisition equipment transmission and obtains and second image corresponding with this first image by receiving with reference to the infrared light of body reflection, because receiving infrared light, image acquisition equipment not changed by the impact of environment (as light), therefore, image processing equipment can extract accurately target image according to this second image from this first image.
Affiliated those skilled in the art can be well understood to, for convenience and simplicity of description, specific works process and the description of the image processing equipment of foregoing description, the corresponding process in the embodiment of the method that can describe with reference to earlier figures 2, does not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (14)
1. the method that image extracts, is applied to image acquisition equipment, it is characterized in that, comprising:
Obtain the first image; Described the first image is the image corresponding with reference to body;
Receive the described infrared light with reference to body reflection, and obtain the second image according to the infrared light of described reflection; Wherein, corresponding described the first image of described the second image;
Described the first image and described the second image are sent to described image processing equipment so that described image processing equipment is described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
2. method according to claim 1, is characterized in that, described reception comprises with reference to the infrared light of body reflection:
To launching infrared light with reference to body; Describedly comprise the first object and the second object with reference to body;
Receive the infrared light of described the first object reflection; Or, receive the infrared light that described the second object reflects.
3. method according to claim 2, is characterized in that, the described infrared light according to described reflection obtains described the second image and comprises:
Obtain the first identification image and the second identification image according to the infrared light of described reflection; Described the first identification image comprises and receives the image that described infrared light forms; Described the second identification image comprises and does not receive the image that described infrared light forms;
Obtain described the second image according to described the first identification image and described the second identification image.
4. the method that image extracts, is applied to image processing equipment, it is characterized in that, comprising:
Receive the first image and the second image that image acquisition equipment sends;
By described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
5. method according to claim 4, is characterized in that, the second image that described reception image acquisition equipment sends comprises:
Receive the first identification image and the second identification image that image acquisition equipment sends; Wherein, described the first identification image comprises that described image acquisition equipment receives the image that infrared light forms; Described the second identification image comprises that described image acquisition equipment does not receive the image that infrared light forms.
6. method according to claim 5, is characterized in that, describedly comprises from described the first extracting target from images image according to described the second image:
Extract the image of described the first identification image correspondence on described the first image; Or,
Extract the image of described the second identification image correspondence on described the first image.
7. method according to claim 6, is characterized in that, describedly comprises from described the first extracting target from images image according to described the second image:
From described the first image, extract the 3rd image according to described the second image, and extract described target image from described the 3rd image; Wherein, described the 3rd image comprises residual image and target image.
8. an image acquisition equipment, is characterized in that, comprising:
The first acquiring unit, for obtaining the first image; Described the first image is the image corresponding with reference to body;
Receiving element, for receiving the described infrared light with reference to body reflection;
Second acquisition unit, obtains the second image for the infrared light receiving according to described receiving element; Wherein, corresponding described the first image of described the second image;
Transmitting element, for described the first image and described the second image are sent to described image processing equipment, so that described image processing equipment is described the second image and described the first image mapped, and according to described the second image from described the first extracting target from images image.
9. equipment according to claim 8, is characterized in that, described image acquisition equipment also comprises: transmitter unit, for to reference to body transmitting infrared light; Describedly comprise the first object and the second object with reference to body;
Described receiving element specifically for, receive the infrared light of described the first object reflection; Or, receive the infrared light that described the second object reflects.
10. image acquisition equipment according to claim 9, is characterized in that, described second acquisition unit specifically for, the infrared light of the reflection receiving according to described receiving element obtains the first identification image and the second identification image; Described the first identification image comprises and receives the image that the infrared light of described reflection forms; Described the second identification image comprises and does not receive the image that the infrared light of described reflection forms, and obtains described the second image according to described the first identification image and described the second identification image.
11. 1 kinds of image processing equipments, is characterized in that, comprising:
Receiving element, the first image and the second image that send for receiving image acquisition equipment;
Map unit, for by described the second image and described the first image mapped;
Extraction unit, for according to described the second image from described the first extracting target from images image.
12. image processing equipments according to claim 11, is characterized in that, described receiving element specifically for, receive image acquisition equipment send the first identification image and the second identification image; Wherein, described the first identification image comprises that described image acquisition equipment receives the image that infrared light forms; Described the second identification image comprises that described image acquisition equipment does not receive the image that infrared light forms.
13. image processing equipments according to claim 12, is characterized in that, described extraction unit specifically for, extract described the first identification image corresponding image on described the first image; Or,
Extract the image of described the second identification image correspondence on described the first image.
14. image processing equipments according to claim 13, is characterized in that, described extraction unit specifically for, from described the first image, extract the 3rd image according to described the second image, and extract described target image from described the 3rd image; Wherein, described the 3rd image comprises residual image and target image.
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2012
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| JPH07154777A (en) * | 1993-11-30 | 1995-06-16 | Matsushita Electric Ind Co Ltd | Image processor and video telephone system |
| US5940139A (en) * | 1996-08-07 | 1999-08-17 | Bell Communications Research, Inc. | Background extraction in a video picture |
| JPH11144031A (en) * | 1997-11-06 | 1999-05-28 | Fuji Xerox Co Ltd | Image reader |
| US20040125992A1 (en) * | 2002-08-30 | 2004-07-01 | Fujitsu Limited | Image extraction method and authentication apparatus |
| US20120268607A1 (en) * | 2007-03-29 | 2012-10-25 | Kabushiki Kaisha Toshiba | Image processing system and image acquisition method |
| CN101383004A (en) * | 2007-09-06 | 2009-03-11 | 上海遥薇实业有限公司 | Passenger target detecting method combining infrared and visible light images |
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