CN101169579B - Projector and method for making its partial image profile clear - Google Patents
Projector and method for making its partial image profile clear Download PDFInfo
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- CN101169579B CN101169579B CN2007101850130A CN200710185013A CN101169579B CN 101169579 B CN101169579 B CN 101169579B CN 2007101850130 A CN2007101850130 A CN 2007101850130A CN 200710185013 A CN200710185013 A CN 200710185013A CN 101169579 B CN101169579 B CN 101169579B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000000605 extraction Methods 0.000 claims description 5
- 238000003708 edge detection Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005282 brightening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000001514 detection method Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The invention relates to a method for brightening partial image outline of an episcope. When the episcope acquires the image of an object, a cursor corresponding to the displacement motion of a cursor control device is formed on the image. The can detect whether an object with a closed outline is around the cursor. If an object with a closed outline is detected by the episcope, the episcope facilitates the object to generate a brightened effect on the image and outputs the object with a brightened effect along with the image finally.
Description
Technical field
The relevant a kind of projector of the present invention, and the particularly relevant a kind of partly projector and method thereof of obviousization of profile of projection image of making.
Background technology
Traditional projector (document camera) can be obtained the image of a material object (as: file, article) through the program of image capture, amplify and be projected on the plane through an output unit image that this is in kind again, this in kind act with the file is an example, by projection, form on the file or pattern can represent under spectators Yu with slipping over nothing whether big or small, make spectators can clearlyer see the details of form on this file or pattern, obtain more full and accurate information.If when spectators can't learn the recommended part of the projection image institute of file, the exhibitor used means of delivery to form a luminous point or the present part of being introduced of cursor prompting through regular meeting, understands the recommended part of current file as early as possible to help spectators.
Yet, because luminous point or cursor are obvious inadequately or too negligible, the press quality that adds form on the file, pattern is uneven, or form, the area of pattern on file are limited, spectators still might can't learn the part that the exhibitor is introduced at present on the projection image of file, so how to design a kind of can obviously the prompting and introduce target, can make the clear image that obtains introducing target of spectators again, to improve the above-mentioned shortcoming of being brought, and the raising market competitiveness is a relevant dealer instant important topic at present in fact.
Summary of the invention
The method that the purpose of this invention is to provide a kind of projector and obviousization of part image contour thereof, the function of obviousization of part image contour of the projection image that is produced to provide.
According to above-mentioned purpose, the invention provides a kind of projector, this projector has an image-pickup assembly, digital processing assembly, central Control Component and image output precision at least, and the digital processing assembly is electrically connected with image-pickup assembly, central Control Component and image output precision respectively; And image-pickup assembly is in order at least one image in kind of continuous acquisition, and transmits this image in kind in regular turn to digital processing assembly, image output precision, image output precision.
This projector is electrically connected a cursor control device, this cursor control device and central Control Component are electrically connected, in order to provide central Control Component in cursor control device under a moving displacement, calculate a cursor up-to-date correspondence position behind the moving displacement on the projection image.And the digital processing assembly is used so that cursor synthesizes the coordinate position of corresponding this cursor on image in kind, the digital processing assembly again according to cursor corresponding to the coordinate position on the image in kind, and when detecting an object that has the closed outline characteristic on the image in kind, then this digital processing assembly just makes this object bring about tangible results on the projection image, for example strengthen this object in throwing brightness, contrast, the dimension scale on the image or deepening its profile, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image.And the image output precision is after receiving this projection image, and will throw image and export on the plane, for being shown in the external world.
Another aspect of the present invention is a kind of projector, comprise an image-pickup assembly, central authorities' Control Component, digital processing assembly and output interface, wherein image-pickup assembly is in order at least one image in kind of continuous acquisition, and central Control Component in order to provide one can a corresponding cursor control device moving displacement and the coordinate position of movable cursor, and the digital processing assembly is electrically connected with image-pickup assembly and central Control Component respectively, and make cursor synthesize the coordinate position of corresponding cursor on image in kind, to form one first digitized video, the digital processing assembly according to cursor corresponding to the coordinate position on the image in kind, and when detecting an object that has the closed outline characteristic on the image in kind, the digital processing assembly is obviously changed object, the object that to obviously change synthesizes on first digitized video again, to form one second digitized video, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image, and output interface and this digital processing assembly are electrically connected, in order to export this second digitized video to an outside image projection apparatus.
Another aspect of the present invention, provide a kind of method of obviousization of part image contour, be applied on the projector, be when projector is obtained the image of a material object, the displacement movement of a corresponding cursor control device on this image and form a cursor, projector can detect the object that whether has closed outline on every side of cursor, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image, when if projector detects the object with closed outline characteristic really, then projector just makes this object produce the effect of obviousization on the projection image, and the object that will have obviousization effect is at last exported with image.
In embodiments of the invention, when this digital processing assembly is judged the object that has the closed outline characteristic in this image, this digital processing assembly carries out the obviousization processing of brightness to the object on this image, be make earlier this object lightness signal value (Y) improve, make the coincide position of on this image former object of this object again.
When this digital processing assembly is judged the object that has the closed outline characteristic in this image, this digital processing assembly is to the obviousization processing of the object degree of comparing on this image, be to make the lightness signal value (Y) of this object promote multiple earlier, make the coincide position of on this image former object of this object again.
When this digital processing assembly is judged the object that has the closed outline characteristic in this image, this digital processing assembly carries out the obviousization processing of dimension scale to the object on this image, be to make the pixel of this object amplify certain proportion earlier, make the coincide position of on this image former object of this object again.
When this digital processing assembly is judged the object that has the closed outline characteristic in this image, this digital processing assembly carries out the obviousization processing of profile to the object on this image, be the profile overstriking that makes this object earlier, make the coincide position of on this image former object of this object again.
In sum, by the above-mentioned device and method of the present invention, make when the contiguous object in kind of the cursor that the user controlled, just strengthen the effect of brightness, contrast, dimension scale and/or the profile or the like of this object, therefore, each spectators just can avoid on the image output employed traditional luminous point or cursor obvious inadequately, or the printing of the form on the file, pattern is bad, cause to know the image that obtains introducing target, both met consumer's expectation, have and to improve the market competitiveness.
Description of drawings
For above-mentioned and other purposes, feature, advantage of the present invention can be become apparent, below with reference to accompanying drawing preferred embodiment of the present invention is elaborated, wherein:
Fig. 1 is the electronics block schematic diagram of projector in the first embodiment of the present invention.
Fig. 2 is the electronics block schematic diagram of projector in the second embodiment of the present invention.
Fig. 3 amplifies the operation chart of ratio on image to object in the embodiments of the invention.
Fig. 4 is the method flow diagram that reaches in the embodiments of the invention obviousization of part image contour of entity.
Fig. 5 A is for strengthening the method flow diagram of object brightness with the processing obviously changed among the present invention
Fig. 5 B strengthens the method flow diagram of object contrast with the processing obviously changed among the present invention.
Fig. 5 C strengthens the method flow diagram of object size ratio with the processing obviously changed among the present invention.
Fig. 5 D deepens the method flow diagram of object profile with the processing obviously changed among the present invention.
Embodiment
The present invention discloses the method for a kind of projector and obviousization of part image contour thereof, and Fig. 1 is the electronics block schematic diagram of the projector of first embodiment of the invention.See also shown in Figure 1, this projector 10 has image-pickup assembly a 101 (video capturer at least in one first embodiment, as: video camera), digital processing assembly 102 (digital signal processor, DSP), central Control Component 103 (CPU; Or similar element) and output interface 104 with same capabilities.Digital processing assembly 102 is electrically connected with image-pickup assembly 101, central Control Component 103 and output interface 104 respectively, and above-mentioned image-pickup assembly 101 is in order to continuous acquisition at least one 20 (as: article or paper) in kind image, and transmits this image in kind in regular turn to digital processing assembly 102; Digital processing assembly 102 is in order to carrying out format conversion to the image in kind that is received and to separate the program of encoding process, and with this video conversion in kind for after handling image,, transmit output interface 104 image output precisions so far in regular turn; And this output interface 104 can externally be electrically connected an image output device 106 (as: projector), and output is handled image to this image output device 106.
In the second embodiment of the present invention, seeing also shown in Figure 2ly, is the electronics block schematic diagram of the projector of second embodiment of the invention.A kind of projector 50 has an image-pickup assembly 501, digital processing assembly 502, central Control Component 503 and image output precision 504.Wherein digital processing assembly 502 is electrically connected with image-pickup assembly 501, central Control Component 503 and image output precision 504 respectively, and above-mentioned image-pickup assembly 501 is in order to the image in kind of continuous acquisition at least one 20 (as: article or paper) in kind, and transmits this image in kind in regular turn to digital processing assembly 502; Digital processing assembly 502 can carry out format conversion and separate the program of encoding process to the image in kind that is received, and is one to handle image with this video conversion in kind, and transmits image output precision 504 so far in regular turn; And image output precision 504 is in receiving after this handles image, and will handle image and export on the plane, for being shown in the external world.
Among each above-mentioned embodiment, shown in Fig. 1,2, this projector 10,50 can wired (comprise and being disposed on this projector 10,50) or wireless mode be electrically connected a cursor control device 105,505 (as: mouse, trace ball, telepilot or the like).Central Control Component 103,503 in this cursor control device 105,505 and the projector 10,50 is electrically connected, and central Control Component 103,503 can be by the moving displacement of cursor control device 105,505, and forms a cursor 30.And digital processing assembly 102,502 just can make this cursor 30 synthesize after handling image, (see shown in Figure 3 to form one first digitized video, Fig. 3 amplifies the operation chart of ratio on image to object in the embodiments of the invention), and central Control Component 103,503 can corresponding cursor control device 105,505 moving displacement, after calculating these cursor 30 moving displacements, corresponding to the up-to-date correspondence position (as: coordinate position) on first digitized video, so, digital processing assembly 102,502 just according to the up-to-date correspondence position of this cursor 30 on first digitized video, and judge this up-to-date correspondence position corresponding on the image in kind, whether have the object 25 of a closed outline characteristic.If digital processing assembly 102,502 is judged the position of cursor 30 corresponding to image in kind, when having the object 25 of a closed outline characteristic really, then this digital processing assembly 102 just makes this object 25 bring about tangible results on the projection image, for example strengthen this object 25 in throwing brightness, contrast, the dimension scale on the image or deepening its profile, the object that will be somebody's turn to do obviousization again synthesizes on this first digitized video, to form one second digitized video, externally export by image output precision 104 or image projection apparatus.When the projector 10,50 with a cursor control device 105,505 is activated, and behind its image-pickup assembly 101,501 aligning one material objects 20 (this embodiment is to be example with the paper), asking for an interview shown in Figure 4ly, is the method flow diagram that reaches in the embodiments of the invention in kind 20 obviousization of part image contour.10,50 of projectors reach purpose to obviousization of part image contour of paper according to following manner:
Step (401) obtains an image in kind:
In this step, image-pickup assembly 101,501 is taken this paper, and capture an image in kind, and transmit image in kind to digital processing assembly 102,502, digital processing assembly 102,502 is to this image in kind, after carrying out the analog to digital format conversion and separating encoding process, and become one to handle image image processing in kind;
Step (402) forms the displacement movement of corresponding cursor control device 105,505 and a movable cursor 30:
In this step, the displacement that central authorities' Control Component 103,503 is produced during with the motion of corresponding this cursor control device 105,505, and the coordinate position when calculating the moving displacement of cursor 30 corresponding these cursor control devices 105,505 of handling on the image in regular turn (X, Y);
Step (403) is synthesized this cursor 30 on this processing image:
So in digital processing assembly 102, the 502 corresponding steps (402), the up-to-date coordinate position that central Control Component 103,503 is calculated, and this cursor 30 is coincided in handling on the image to form one first digitized video.
Step (404) judges whether the correspondence position of cursor 30 on this first digitized video has an object 25 of closed outline characteristic:
Digital processing assembly 102,502 at first according to the coordinate position of cursor 30, in the preset range on first digitized video (as: having an area of 50 pixels), utilize a kind of rim detection (Edge detection) or closed outline to quench and get the mode of (closed contour extraction), detect the object 25 (in present embodiment, being the chart on the paper) that whether has closed outline characteristic (closed contour) in its preset range, if, then carry out step (405), otherwise, carry out step (406), wherein, so-called closed outline is meant that the figure circumferential wire that its element presents is non-interruption.
The mode of rim detection (Edge detection) or closed outline extraction (closed contour extraction) is as the term suggests be the detection edge, its objective is the profile that to iris out object in the figure, with convenient follow-up processing, the pre-treatment of a kind of image of can saying so.The method of surveying the limit is very multiple, and the integrality of measuring also has difference, for example Laplce's rim detection of Sobel method (Sobel Method), Gauss (Laplacian ofGaussian method) etc.Because this kind mode has been existing method, is not main emphasis of the present invention, is just no longer sewed at this and states.
Step (405) is obviously changed processing to this object 25:
When digital processing assembly 102,502 is judged the object 25 that has the closed outline characteristic on first digitized video, digital processing assembly 102,502 is just obtained the graphic documentation (image, pixel count and the rgb value etc. that comprise figure) of this object 25, and the option that is provided in the interface according to this projector 10,50 is as follows, selects the processing that the graphic documentation of a pair of this object 25 is obviously changed for the user:
The mode of in this step this object 25 obviously being changed processing has multiple implementation method, wherein first kind of implementation method is to strengthen the brightness of the graphic documentation of this object 25, see also shown in Fig. 5 A, Fig. 5 A is for strengthening the method flow diagram of object brightness with the processing obviously changed among the present invention:
Step (A01) makes the Red Green Blue light signal (RGB) of all pixels (pixel) on the graphic documentation of this object 25 be converted to analog color difference signal (Y C according to following formula
bC
r):
Lightness (Y)=(0.257* red primaries light signal (R))+(0.504* green primary color light signal (G))+(0.098* blue primary light signal (B))+16
Aberration (C
r)=V=(0.439* red primaries light signal (R))-(0.368* green primary color light signal (G))-(0.071* blue primary light signal (B))+128
Aberration (C
b)=U=-(0.148* red primaries light signal (R))-(0.291* green primary color light signal (G))+(0.439* blue primary light signal (B))+128
Step (A02) is with analog color difference signal (Y, the C of gained
b, C
r) in be responsible for brightness lightness signal value (Y) improve (as: increasing by 50), make that the brightness in the graphic documentation of this object 25 improves, to finish a new graphic documentation; And
Step (A03) makes the coincide correspondence position of on first digitized video former object 25 of the new graphic documentation of this object 25, to finish one second digitized video.
And second kind of implementation method sees also shown in Fig. 5 B for strengthening the contrast of this object 25 on first digitized video, and Fig. 5 B strengthens the method flow diagram of object contrast with the processing obviously changed among the present invention:
Step (B01) makes the Red Green Blue light signal (RGB) of all pixels (pixel) on the graphic documentation of this object 25 be converted to analog color difference signal (Y C according to following formula
bC
r);
Lightness (Y)=(0.257* red primaries light signal (R))+(0.504* green primary color light signal (G))+(0.098* blue primary light signal (B))+16
Aberration (C
r)=V=(0.439* red primaries light signal (R))-(0.368* green primary color light signal (G))-(0.071* blue primary light signal (B))+128
Aberration (C
b)=U=-(0.148* red primaries light signal (R))-(0.291* green primary color light signal (G))+(0.439* blue primary light signal (B))+128
Step (B02) is with analog color difference signal (Y, the C of gained
b, C
r) in be responsible for brightness lightness signal (Y) value promote multiple (as: promoting 1.5 times), make this object 25 in the correlative value raising of original, to finish a new graphic documentation; And
Step (B03) makes the coincide correspondence position of on first digitized video former object 25 of the new graphic documentation of this object 25, to finish one second digitized video.
And the third implementation method is as follows, for strengthening the dimension scale of this object 25 on first digitized video, sees also shown in Fig. 5 C, and Fig. 5 C strengthens the method flow diagram of object size ratio with the processing obviously changed among the present invention:
Step (C01) makes the quantity of all pixels (pixel) on the graphic documentation of this object 25 be certain proportion to amplify (as: amplifying 1.5 times) to finish a new graphic documentation; And
Step (C02) makes the coincide correspondence position of on first digitized video former object 25 of the new graphic documentation of this object 25, to finish one second digitized video.
And the 4th kind of implementation method is as follows, for deepening the profile of this object 25 on first digitized video, sees also shown in Fig. 5 D, and Fig. 5 D deepens the method flow diagram of object profile with the processing obviously changed among the present invention:
Step (D01) makes profile overstriking to a ratio of the graphic documentation of this object 25, makes the peripheral profile overstriking of this object 25, to finish a new graphic documentation; And
Step (D02) makes the coincide correspondence position of on first digitized video former object 25 of the new graphic documentation of this object 25, to finish one second digitized video.
Step (406) output second digitized video:
No matter whether last this flow process pass through step (405), digital processing assembly 102,502 all can be delivered to image projection apparatus 106 or image output precision 504 with step (403) or (405) final second digitized video of handling well, and by image projection apparatus 106 or image output precision 504 second digitized video is exported on the plane (as: metope, canvas etc.).
Thus, whenever the user utilizes cursor control device 105, when 505 control one cursors 30 and a form on the contiguous image output, this form is just to strengthen brightness, contrast, the effect of dimension scale and/or profile or the like, find expression in the position of former form on the projection image, therefore, each spectators just can avoid throwing on the image employed traditional luminous point or cursor obvious inadequately, or the form on the file, the printing of pattern is bad, cause to know the image that obtains introducing target, technological means of the present invention is quite novel, creative, and the effect that it brought quite is difficult to expection, so the present invention has patentability.
Though the present invention discloses as above with many embodiment, yet the technological means that it utilized not is in order to qualification the present invention, above-mentioned technological means, as:
1. obviously change processing, be not limited only to above-mentioned 4 kinds of variations, all acts can improve audience attention, and obviously its partly image processing of content (as: changing color, lines style etc.) is all under protection notion of the present invention;
2. the formation of cursor, be not limited only to hardware (being cursor control device), when other take material object in image-pickup assembly, utilize motion detection (Motion Detection) technology to detect mobilizable nib, finger tip or luminous point, and formed cursor, and when detecting the object of closed outline, all under protection notion of the present invention; And
3. the detection mode of closed outline object, be not limited only to rim detection (Edge detection) or closed outline (the closed contour extraction) mode of getting of quenching, other calculate checking or database detect object than the school method and are the means notion that the present invention detects object.
Therefore; under the above-mentioned prerequisite, have in any affiliated technical field and know the knowledgeable usually, without departing from the spirit and scope of the present invention; when can doing various changes that are equal to and retouching, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (13)
1. projector comprises:
One image-pickup assembly is in order at least one image in kind of continuous acquisition;
One central Control Component can a corresponding moving displacement and the coordinate position of movable cursor in order to provide one;
One digital processing assembly, be electrically connected with this image-pickup assembly and this central authorities' Control Component respectively, and this cursor is synthesized on this material object image coordinate position that should cursor, to form one first digitized video, this digital processing assembly according to this cursor corresponding to the coordinate position on this material object image, and when detecting an object that has the closed outline characteristic on this material object image, this digital processing assembly is obviously changed this object, the object that will be somebody's turn to do obviousization again synthesizes on this first digitized video, to form one second digitized video, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image; And
One output interface is electrically connected with this digital processing assembly, in order to export this second digitized video.
2. projector according to claim 1, it is characterized in that this projector also comprises a cursor control device, this cursor control device and this central authorities' Control Component are electrically connected, and under a moving displacement of this cursor control device, provide this central authorities' Control Component to calculate this cursor corresponding to the coordinate position on this material object image.
3. projector according to claim 1 is characterized in that this output interface connects an outside image output device, and this image output device is in order to receiving this second digitized video that this output interface transmits, and externally exports this second digitized video.
4. projector comprises:
One image-pickup assembly is in order at least one image in kind of continuous acquisition;
One central Control Component can a corresponding moving displacement and the coordinate position of movable cursor in order to provide one;
One digital processing assembly, be electrically connected with this image-pickup assembly and this central authorities' Control Component respectively, and this cursor is synthesized on this material object image coordinate position that should cursor, to form one first digitized video, this digital processing assembly according to this cursor corresponding to the coordinate position on this material object image, and when detecting an object that has the closed outline characteristic on this material object image, this digital processing assembly is obviously changed this object, the object that will be somebody's turn to do obviousization again synthesizes on this first digitized video, to form one second digitized video, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image; And
One image output precision is electrically connected with this digital processing assembly, in order to export this second digitized video.
5. projector according to claim 4, it is characterized in that this projector also comprises a cursor control device, this cursor control device and this central authorities' Control Component are electrically connected, and under a moving displacement, provide this central authorities' Control Component to calculate this cursor corresponding to the coordinate position on this material object image.
6. method to obviousization of part image contour, this method is applied to comprise on the projector:
Obtain the image of a material object;
On this image, form a corresponding displacement movement and a movable cursor:
Judge the object whether correspondence position of this cursor on this image has a closed outline characteristic, wherein this closed outline is meant that the figure circumferential wire that this object is presented is non-interruption on this material object image;
If then the object on this image is obviously changed processing; And
To obviously change the object of processing with this image output.
7. method according to claim 6, it is characterized in that on this image should displacement movement and in movable this cursor, it is a central Control Component by this projector, the displacement that a cursor control device that should projector is produced when the displacement movement, and calculate this cursor corresponding to the coordinate position on this image.
8. method according to claim 7 is characterized in that on this image forming in the step of this cursor, be by a digital processing assembly of this projector to should coordinate position, and this cursor is synthesized on this image.
9. method according to claim 8, it is characterized in that judging whether the correspondence position of this cursor on this image has in the step of object of closed outline characteristic, be according in the preset range of this cursor to the coordinate position on should image, utilize an edge detection mode or closed outline extraction mode by this digital processing assembly, and detect the object that whether has the closed outline characteristic in this preset range.
10. method according to claim 8 is characterized in that the object on this image is obviously changed in the step of processing, and this digital processing assembly is to carry out according to the following step:
Obtain the graphic documentation of this object;
Make the Red Green Blue light signal (RGB) of all pixels in the graphic documentation of this object be converted to analog color difference signal (Y C
bC
r);
With these analog color difference signals (Y, C
b, C
r) in lightness signal value (Y) improve, to finish a new graphic documentation; And
Make the coincide position of on this image former object of the new graphic documentation of this object.
11. method according to claim 8 is characterized in that the object on this image is obviously changed in the step of processing, this digital processing assembly is to carry out according to the following step:
Obtain the graphic documentation of this object;
Make the Red Green Blue light signal (RGB) of all pixels in the graphic documentation of this object be converted to analog color difference signal (Y C
bC
r);
With these analog color difference signals (Y, C
b, C
r) in lightness signal value (Y) promote multiple, to finish a new graphic documentation; And
Make the coincide position of on this image former object of the new graphic documentation of this object.
12. method according to claim 8 is characterized in that the object on this image is obviously changed in the step of processing, this digital processing assembly is to carry out according to the following step:
Obtain the graphic documentation of this object;
Making the quantity of all pixels in the graphic documentation of this object be a ratio amplifies to finish a new graphic documentation; And
Make the coincide position of on this image former object of the new graphic documentation of this object.
13. method according to claim 8 is characterized in that the object on this image is obviously changed in the step of processing, this digital processing assembly is to carry out according to the following step:
Obtain the graphic documentation of this object;
Make profile overstriking to a ratio of the graphic documentation of this object, to finish a new graphic documentation; And
Make the coincide position of on this image former object of the new graphic documentation of this object.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101850130A CN101169579B (en) | 2007-10-30 | 2007-10-30 | Projector and method for making its partial image profile clear |
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|---|---|---|---|
| CN2007101850130A CN101169579B (en) | 2007-10-30 | 2007-10-30 | Projector and method for making its partial image profile clear |
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| CN101887207B (en) * | 2010-03-08 | 2011-12-28 | 圆展科技股份有限公司 | Real object projector with image auxiliary data searching and display functions and method thereof |
| CN104320602A (en) * | 2014-11-14 | 2015-01-28 | 深圳市遥蓝儿童科技有限公司 | Projector and method for playing audio and video file by identifying picture |
| CN105335976A (en) * | 2015-10-23 | 2016-02-17 | 广州视睿电子科技有限公司 | Image processing method and device |
| CN111757073A (en) * | 2019-03-29 | 2020-10-09 | 福建天泉教育科技有限公司 | Image expansion drawing method and system under projection condition |
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