CN1103477C - Image synthetic method and its equipment by mosaic effect treatment - Google Patents
Image synthetic method and its equipment by mosaic effect treatment Download PDFInfo
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- CN1103477C CN1103477C CN94112921A CN94112921A CN1103477C CN 1103477 C CN1103477 C CN 1103477C CN 94112921 A CN94112921 A CN 94112921A CN 94112921 A CN94112921 A CN 94112921A CN 1103477 C CN1103477 C CN 1103477C
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Abstract
The present invention relates to an image synthetic method used for mosaic effect processing and a device thereof. The device is connected with the memory in which figures, indexes or figure control data are stored in a computer system. Coordinates of each point of a screen are converted into figure coordinates through the two dimension conversion step, and through mosaic effect processing; then, a mosaic effect form is set, and the proper position of the figure coordinates is set to be 0 or 1; the index data of the memory device is read according to the processed figure coordinate, and the figure data of the memory is read according to the figure coordinates and (or) the index data. Color code data is transferred out through the color code selection step and the color code synthesis step to be convenient for sequent processing; thus, a mosaic effect image has the effects of arbitrary amplification, arbitrary shrinkage, arbitrary rotation, etc.
Description
The present invention relates to image synthesis method and device thereof that a kind of mosaic effect is handled, especially refer to that a kind of serves as to handle the image synthesis method with mosaic effect treatment effect and the device of unit with pixel (PIXEL), under the design of its pixel unit, making effects such as the mosaic effect image has any amplification, dwindles, rotation, is one to have the image synthesis mode of using value.
Present general pattern processor (GRAPHIC PROCESSOR), be to specialize in treatment of picture and generation, to share the load of CPU (central processing unit), and can make image have the effect of quick demonstration, as desire to make image to have the figure obfuscation effect of mosaic effect, then need to reach by software mode, and best mosaic effect to be the color that all figure of the block of desiring obfuscation are ordered give on average, to obtain a color of representing this block, not only very waste the processing time like this, and for cheap electronic game machine, there is processing too complicated and be not inconsistent the shortcoming of economic effect, in addition now as Japanese game machine of Nintendo (FAMICOM), the SEGA game machine of Japan, Japan's NEC game machine (PCENGINE), the handheld game device of applicant company (GAMATE) is though there is the aforementioned image processor that image produces that is specifically designed to inside, but the image processor that above-mentioned various game machine uses, dwindle or other processing owing to need not image amplified, so its graphics process mode is processing unit (combining with most pixels (PIXEL) is alleged font) (FONT) with " font " all, also be font (FONT) data that once read a plurality of pixel representatives, under the restriction based on its Flame Image Process unit, can't reach the convergent-divergent of image or the function of rotation, also make mosaic effect can't obtain this kind convergent-divergent, the effect of rotation, if when desiring to reach above-mentioned effect, just must be processing unit with pixel (PIXEL), make each point all be converted to figure coordinate (reaching), and carry out mosaic effect and handle by the two-dimensional transformations device with respect to screen.
Therefore, the present invention makes the mosaic effect image have preferable variability and the actual dirigibility variation effect that uses, provide a kind of and can amplify, dwindled the mosaic effect image, operation such as rotation be image combining method and the device of handling unit with the pixel, and its mosaic effect processing mode also only selects for use the arbitrary figure point in the block to be the color in the whole zone of representative, handles the convenient advantage fast that reaches thereby have.
Fundamental purpose of the present invention is: the image synthesis method that provides a kind of mosaic effect to handle.
Of the present invention time a purpose is: the image synthesizer that provides a kind of mosaic effect to handle.
Another purpose of the present invention is: the image synthesis method and the device thereof that provide a kind of mosaic effect to handle, wherein also comprise and to support multiple feature size, multiple color mode, and provide Graphics Mode and type mode, under Graphics Mode, need not to carry out the index data read step, only by the figure coordinate after two-dimensional transformations and mosaic effect processing, color mode and feature size, decide the graph data storage addresses just to can read graph data, type mode then need carry out the index data read step, then by the figure coordinate after two-dimensional transformations and mosaic effect processing, color mode, the font size, feature size and index data read graph data.
A further object of the present invention is: the image synthesis method and the device thereof that provide a kind of mosaic effect to handle, and its font size has 8 * 8 and 16 * 16 two kinds, and color differentiating is color modes such as 2,4,16 and 256 looks.
Technical program of the present invention lies in: the image synthesis method that provides a kind of mosaic effect to handle, carry out in the image synthesizer that the mosaic effect of this method in computer system handled, this image synthesizer comprises: a two-dimensional transformations device, one mosaic effect treating apparatus, one index number reading device, one figure reading device, a sequential generator and an overflow generation device, the step of this image combining method is as follows:
In the memory device of computer system, deposit graph data, index data or other control datas in;
By described two-dimensional transformations device screen coordinate is converted to the figure coordinate, to send a figure figure point coordinates with respect to each figure point of screen, this two-dimensional transformations device also carries out graphic level, vertical coordinate synthesis step when carrying out two-dimensional transformations, to produce graphic level, vertical coordinate respectively;
Level, elevational plot coordinate according to described two-dimensional transformations device generation, by described mosaic effect treating apparatus, send level, elevational plot coordinate after the conversion, described mosaic effect treating apparatus carries out may further comprise the steps when mosaic effect is handled: according to the block size of mosaic effect control signal decision mosaic effect; The graphic block target certain bits of described block is made as 0 or 1, and the color value of ordering with one figure in the selected block is as the color in whole zone, sends level, elevational plot coordinate after the processing then;
The level, the elevational plot coordinate that produce according to described mosaic effect treating apparatus read index data in the computer system memory by described index reading;
The level that produces according to described mosaic effect treating apparatus, elevational plot coordinate with (or) the described index data read by the computer system memory device synthesizes address signal, by graph data in the described figure readout means reads power taking brain system memory device; And
According to color mode and figure coordinate, choose the graph data in the internal memory and synthesize colour coding output with the palette data by colour coding selecting device in the described figure reading device and colour coding synthesizer.
The image synthesis method that aforesaid mosaic effect is handled, if when being set at Graphics Mode, described figure reading device directly reads graph data in the internal memory according to the figure coordinate.
The image synthesis method that aforesaid mosaic effect is handled, two-dimensional transformations device are exported with a corresponding figure coordinate corresponding to each screen coordinate under the state that the screen coordinate input need not be arranged.
The image synthesis method that aforesaid mosaic effect is handled can produce required control timing signal by a sequential generator.
The image synthesis method that aforesaid mosaic effect is handled can receive the figure coordinate of mosaic effect treating apparatus by an overflow generation device, with when the figure coordinate exceeds feature size, produces an overflow signal, the output of control image.
The image synthesis method that aforesaid mosaic effect is handled, the internal memory of computer system also can carry out data read for most fetch channels by time division way.
Technical scheme of the present invention is to provide a kind of image synthesizer of mosaic effect processing in addition, this synthesizer is by the graph data that has of address bus and data bus and computer system, the memory device of index data or other control data links to each other, and described image synthesizer comprises:
One two-dimensional transformations device is converted to the figure coordinate with screen coordinate, and to send a figure figure point coordinates with respect to each figure point of screen, this two-dimensional transformations device also includes graphic level, vertical coordinate synthesizer, to produce graphic level, vertical coordinate respectively;
One mosaic effect treating apparatus, level to described two-dimensional transformations device generation, the elevational plot coordinate, according to the block size of setting, coordinate after described figure coordinate is converted to mosaic effect and handles, this mosaic effect treating apparatus comprises a logical circuit, can be according to the block size of mosaic effect control signal setting, with the two-dimensional transformations device send into corresponding to this block position level, the certain bits of elevational plot coordinate is made as 1 or 0 state, and the level after sending mosaic effect and handling, the elevational plot coordinate, color so as to each the figure point in each the mosaic effect block that makes setting is identical, and for being selected from the color value that arbitrary figure is ordered in the block;
One index reading, level, elevational plot coordinate according to described mosaic effect treating apparatus produces read the computer system memory index data;
One figure reading device, the level that produces according to described mosaic effect treating apparatus, elevational plot coordinate with (or) index data read by computer system memory synthesizes address signal, to read graph data in the computer system memory, and choose and synthesizer by its colour coding, choose described graph data and synthesize the colour coding data.
In the image synthesizer that aforesaid mosaic effect is handled, the two-dimensional transformations device is exported with a corresponding figure coordinate corresponding to each screen coordinate under the state that the screen coordinate input need not be arranged.
The image synthesizer that aforesaid mosaic effect is handled also includes a sequential generator, to produce required control timing signal.
The image synthesizer that aforesaid mosaic effect is handled also includes an overflow generation device, can receive the figure coordinate of mosaic effect treating apparatus, with when the figure coordinate exceeds feature size, produces an overflow signal, the output of control image.
The image synthesizer that aforesaid mosaic effect is handled, computer system memory also can carry out data read for most fetch channels by time division way.
In the image synthesizer that aforesaid mosaic effect is handled, index reading also includes:
One index address generation device, data such as the figure coordinate of sending into according to the mosaic effect treating apparatus, outside tablet pattern size, font size synthesize index address data, to read the index data of respective index address in the computer system memory; And
LD device is in order to deposit the index data of being sent by computer system memory.
The image synthesizer that aforesaid mosaic effect is handled, the index data of being read by computer system memory comprises:
One index is in order to the positional value of expression font in figure table PGT;
One palette, the employed palette of expression font;
One horizontal mirror reads in order to the control figure, makes whole font have horizontal mirror effect; With
One vertical mirror reads in order to the control figure, makes whole font have vertical mirror effect.
In the image synthesizer that aforesaid mosaic effect is handled, the figure reading device comprises:
One graphics addresses generation device, data such as the figure coordinate that produces according to index, horizontal mirror, vertical mirror, mosaic effect treating apparatus, feature size, font size, synthesize a graphics addresses signal, to read the graph data of computer system memory appropriate address; And
LD device is in order to deposit the graph data of being read by computer system memory.
In the image synthesizer that aforesaid mosaic effect is handled, the graphics addresses generation device is when being arranged on Graphics Mode, only according to the figure coordinate and the feature size data of mosaic effect treating apparatus, directly synthesize a reading address signal, to read the graph data of computer system memory.
In the image synthesizer that aforesaid mosaic effect is handled, colour coding is chosen and synthesizer, is foundation color mode and figure coordinate, by choosing graph data in the graph data and synthesizing the colour coding output data with the palette data.
In the image synthesizer that aforesaid mosaic effect is handled, colour coding is chosen and synthesizer also can comprise a Transparent color judgment means, according to the indicator signal of different colours pattern decision Transparent color.
The invention provides that a kind of what carry out mosaic effect image zoom, turning effort is image combining method and the device that unit handles with the pixel for follow-up, is the new invention of a kind of novelty and tool actual application value.
Further specify specific structural features of the present invention and purpose below in conjunction with accompanying drawing.
Brief Description Of Drawings:
Fig. 1 is the structural drawing of the image synthesizer of mosaic effect processing of the present invention.
Fig. 2 is an index data form of the present invention.
Fig. 3 is the corresponding relation figure of figure namelist PNT of the present invention and figure table PGT.
Fig. 4 is the form of the figure namelist address of type mode of the present invention.
Fig. 5 is the form of the figure table address of type mode of the present invention.
Fig. 6 is the form of the figure table address of Graphics Mode of the present invention.
Fig. 7 is the coordinate synoptic diagram before and after mosaic effect of the present invention is handled.
Fig. 8 is the enforcement illustration before and after mosaic effect of the present invention is handled.
Fig. 9, the 10th, the enforcement illustration of mosaic effect color of the present invention mapping.
As shown in Figure 1, the image synthesizer that mosaic effect of the present invention is handled, by address bus 44 and data bus 46, again through a two-way impact damper 12, link to each other with the memory device 10 of computer system with data bus 42 by address bus 40, comprise just like the index reading shown in the dashed-line outer box 14, figure reading device 20, clock generator 8, two-dimensional transformations device 28, a mosaic effect treating apparatus 5 and overflow generation device 6, wherein:
Figure (PATTERN) data, index (INDEX) or other control chart graphic data have been deposited in the memory device 10 of computer system, if need to obtain the fast access effect, can be made as static memory (STATIC RAM), this memory device 10 is through address bus 40 and data bus 42, be connected with the address bus 44 and the data bus 46 of image synthesizer through a two-way impact damper 12, then this memory device 10 also can have the structure that reads circuit with majority and is connected, with the data of time division way shared drive.
Two-dimensional transformations device 28, its inside can include graphic level, vertical coordinate synthesizer, so that each screen map point coordinates is converted to corresponding horizontal, the elevational plot coordinate (X ', Y ') sends into mosaic effect treating apparatus 5, block size with a same color that forms according to the mosaic effect control signal, through logic gates with this level, the elevational plot coordinate (X ', Y ') suitable position is made as 1 or 0 state, be converted to the figure coordinate (X after the processing, Y), thereafter, then through output line 48,50 delivered to and drew in reading device 14 and the figure reading device 20, to supply each reading device 14,20 required figure coordinate signals.
Two-dimensional transformations device 28 is exported with a corresponding figure coordinate corresponding to each screen coordinate under the state that the screen coordinate input need not be arranged.
The LD device 18 that index reading 14 can be deposited the index data of being read by memory device 10 by an index address generation device 16 and is formed; Figure coordinate (the X that can send into according to mosaic effect treating apparatus 5 by index address generation device 16, Y) and outside send into for behind the signal of setting picture frame size (PAGE SIZE) PS and font size (FONTSIZE) FS, sending can be for the index address signal that takes out memory device 10 index datas, the index data that memory device 10 is sent can be deposited with in the LD device 18, the index data form that memory device 10 is sent as shown in Figure 2, comprise four palette PAL (PALLETE) data, one horizontal mirror H data, one vertical mirror V data and ten index INDEX data, wherein which kind of the palette of this palette PAL DP shape FONT is, (the font title is stored among figure namelist (the PATTERN NAME TABLE) PNT in the position of figure table (PATTERN GENERATION TABLE) PGT and this index value is represented font FONT title, and actual figure is to be stored among figure table (the PATTERN GENERATION TABLE) PGT, corresponding relation such as Fig. 3), level and vertical mirror H, whether the whole font of V two signal indications level and vertical mirror effect, in the palette PAL data of the expression font tone of this indexed format and the figure reading device 20 of expression font below the index data of figure table position is fed through Fig. 1 respectively, with respectively for synthetic colour coding (COLOR CODE) and for the graph data that reads memory device 10.
The structure of the image synthesizer of handling from aforementioned whole mosaic effect, basically send the figure coordinate of the representative screen coordinate after the processing and produce an index address signal with two-dimensional transformations device 28 and mosaic effect treating apparatus 5 through an index reading 14, to read the index data in the memory device 10, palette, horizontal/vertical mirror data, again data are fed through figure reading device 20, synthesize the graphics addresses signal, to read graph data, and the every data that will read are chosen/synthesizer 26 through colour coding, 30 synthesize the colour coding output signal, providing a kind of is the image synthesizer of unit with the pixel, can send to meet the mosaic effect pantography, rotation waits the signal pattern of effect.
Under Graphics Mode (GRAPHIC MODE) or type mode (TEXT MODE), because the basic difference of two kinds of patterns, also there is difference in its data handling procedure.Under Graphics Mode, graph data is to leave in the memory device 10 in position mapping (BIT MAP) mode, so figure coordinate that only needs the aforementioned mosaic effect treating apparatus of process to send, cooperate color mode, feature size, just can determine the deposit position of graph data, so in fact need not to utilize index data mapping generation again, so under Graphics Mode, this figure reading device 20 need not to use index data, just can directly synthesize the figure reading address signal, to read the figure in the memory device 10; Type mode is then because literal and figure adopt " mapping indirectly " kenel (being the enantiomorphic relationship of PNT and the PGT of Fig. 3), so need through twice reading operation: promptly read index data earlier and read graph data again, to read correct character and graphic.Under type mode, the address of the figure namelist PNT of different fonts (FONT) size, picture frame (PAGE SIZE) size represents that mode as shown in Figure 4, Fig. 5 is then under the display text pattern, under different fonts (16 * 16,8 * 8) and 16 look states, the kenel of figure table PGT address for representing by index value INDEX, Fig. 6 is presented under the Graphics Mode, different colours pattern (256,16,4,2 look) is for the kenel of the address signal of the figure table PGT that reads memory device 10, and demonstration has only figure table address signal and figure coordinate (X, Y) signal among this figure.
The figure coordinate that mosaic effect treating apparatus 5 of the present invention produces two-dimensional transformations device 28 (X ', Y ') is converted to the figure coordinate (X that mosaic effect is handled again, Y) embodiment, as being set at shown in the graphic block style formula of 4 * 4 square sizes of Fig. 7 through the mosaic effect control signal, promptly in the drawings more than, be respectively before handling down and the X after handling, Building Y mark content, that is make X respectively, minimum two (positions 1 of Building Y target, position 0) position, it is maintained " 0 " state (also can be set at one state) through logical circuit, so can make this corresponding block present same color, and this color value also can be by the aforementioned state that makes this position be located at difference " 0 " or " 1 ", make the block of mosaic effect can select that arbitrary figure point color value is representative in the block for use, that is as Fig. 9, shown in 10, can be with the figure point of variant color in 4 * 4 figure point zone, drawing top, select color value that arbitrary figure orders same color as whole 4 * 4 zones, and the effect of practice on figure as shown in Figure 8, the drawing left side is the figure of handling without mosaic effect, right positions is to serve as to handle unit with the block size that drawing is cut apart, the expression of the color value that selected each block one figure is ordered.
Claims (17)
1. the image synthesis method handled of a mosaic effect, it is characterized in that carrying out in the image synthesizer that the mosaic effect of this method in computer system handle, this image synthesizer comprises: a two-dimensional transformations device, one mosaic effect treating apparatus, one index number reading device, one figure reading device, a sequential generator and an overflow generation device, the step of this image combining method is as follows:
In the memory device of computer system, deposit graph data, index data or other control datas in;
By described two-dimensional transformations device screen coordinate is converted to the figure coordinate, to send a figure figure point coordinates with respect to each figure point of screen, this two-dimensional transformations device also carries out graphic level when carrying out two-dimensional transformations, vertical coordinate is synthetic, to produce graphic level, vertical coordinate respectively;
The level, the elevational plot coordinate that produce according to described two-dimensional transformations device by described mosaic effect treating apparatus, are sent level, elevational plot coordinate after the conversion, and described mosaic effect treating apparatus carries out may further comprise the steps when mosaic effect is handled:
According to the mosaic effect control signal, the block of decision mosaic effect is big
Little; With
The graphic block target certain bits of described block is made as 0 or 1, with described choosing
Decide arbitrary figure is ordered in the block color value color, send then as whole zone
Level after the processing, elevational plot coordinate;
The level, the elevational plot coordinate that produce according to described mosaic effect treating apparatus read index data in the computer system memory by described index reading;
The level that produces according to described mosaic effect treating apparatus, elevational plot coordinate with and/or synthesize address signal by the described index data that the computer system memory device is read, by graph data in the described figure readout means reads power taking brain system memory device; And
According to color mode and figure coordinate, choose the graph data in the internal memory and synthesize colour coding output with the palette data by colour coding selecting device in the described figure reading device and colour coding synthesizer.
2. the image synthesis method that mosaic effect according to claim 1 is handled is characterized in that: if when being set at Graphics Mode, described figure reading device directly reads graph data in the computer system memory according to described figure coordinate.
3. the image synthesis method that mosaic effect according to claim 1 is handled is characterized in that: described two-dimensional transformations device is exported with a corresponding figure coordinate corresponding to each screen coordinate under the state that the screen coordinate input need not be arranged.
4. the image synthesis method that mosaic effect according to claim 1 is handled is characterized in that: can produce required control timing signal by described timing sequencer.
5. the image synthesis method that mosaic effect according to claim 1 is handled, it is characterized in that: the figure coordinate that can receive described mosaic effect treating apparatus by described overflow generation device, with when described figure coordinate exceeds feature size, produce an overflow signal, the output of control image.
6. the image synthesis method that mosaic effect according to claim 1 is handled is characterized in that: the internal memory of computer system also can carry out data read for most fetch channels by time division way.
7. the image synthesizer handled of a mosaic effect, it is characterized in that: this synthesizer is by the graph data that has of address bus and data bus and computer system, the memory device of index data or other control data links to each other, and described image synthesizer comprises:
One two-dimensional transformations device is converted to the figure coordinate with screen coordinate, and to send a figure figure point coordinates with respect to each figure point of screen, this two-dimensional transformations device also includes graphic level, vertical coordinate synthesizer, to produce graphic level, vertical coordinate respectively;
One mosaic effect treating apparatus, level to described two-dimensional transformations device generation, the elevational plot coordinate, according to the block size of setting, coordinate after described figure coordinate is converted to mosaic effect and handles, described mosaic effect treating apparatus, comprise a logical circuit, can be according to the described block size of mosaic effect control signal setting, with described two-dimensional transformations device send into corresponding to described block position level, the certain bits of elevational plot coordinate is made as 1 or 0 state, and the level after sending mosaic effect and handling, the elevational plot coordinate, color so as to each the figure point in each the mosaic effect block that makes setting is identical, and for being selected from the color value that arbitrary figure is ordered in the described block;
One index reading, level, elevational plot coordinate according to described mosaic effect treating apparatus produces read the computer system memory index data;
One figure reading device, the level that produces according to described mosaic effect treating apparatus, elevational plot coordinate with and/or synthesize address signal by the index data that computer system memory is read, to read graph data in the computer system memory, and choose and synthesizer by its colour coding, choose described graph data and synthesize the colour coding data.
8. the image synthesizer that mosaic effect according to claim 7 is handled is characterized in that: described two-dimensional transformations device is exported with a corresponding described figure coordinate corresponding to each screen coordinate under the state that the screen coordinate input need not be arranged.
9. the image synthesizer that mosaic effect according to claim 7 is handled is characterized in that: also include a sequential generator, to produce required control timing signal.
10. the image synthesizer that mosaic effect according to claim 7 is handled, it is characterized in that: also include an overflow generator, can receive the figure coordinate of described mosaic effect treating apparatus, with when described figure coordinate exceeds feature size, produce an overflow signal, the output of control image.
11. the image synthesizer that mosaic effect according to claim 7 is handled is characterized in that: computer system memory also can carry out data read for most fetch channels by time division way.
12. the image synthesizer that mosaic effect according to claim 7 is handled, it is characterized in that: described index reading includes:
One index address generation device, data such as the figure coordinate that the described mosaic effect treating apparatus of foundation is sent into, outside tablet pattern size, font size synthesize index address data, to read the index data of index address in the computer system memory; And
One LD device is in order to deposit the described index data of being sent by computer system memory.
Put 13. the image that mosaic effect according to claim 12 is handled attaches together, it is characterized in that: the described index data of being read by computer system memory comprises:
One index is in order to the positional value of expression font in figure table PGT;
One palette, the employed palette of expression font;
One horizontal mirror reads in order to the control figure, makes whole font have horizontal mirror effect; With
One vertical mirror reads in order to the control figure, makes whole font have vertical mirror effect.
14. the image synthesizer that mosaic effect according to claim 7 is handled, it is characterized in that: described figure reading device comprises:
One graphics addresses generation device, data such as the figure coordinate that the described index of foundation, horizontal mirror, vertical mirror, described mosaic effect treating apparatus produce, feature size, font size, synthesize a graphics addresses signal, to read the graph data of computer system memory appropriate address; And
One LD device is in order to deposit the described graph data that is read by computer system memory.
15. the image synthesizer that mosaic effect according to claim 14 is handled, it is characterized in that: described graphics addresses generation device, when being arranged on Graphics Mode, only according to the figure coordinate and the feature size data of described mosaic effect treating apparatus, directly synthesize a reading address signal, to read the graph data of computer system memory.
16. the image synthesizer that mosaic effect according to claim 7 is handled, it is characterized in that: described colour coding is chosen and synthesizer, be foundation color mode and described figure coordinate, by choosing graph data in the graph data and synthesizing the colour coding output data with the palette data.
17. the image synthesis method that mosaic effect according to claim 16 is handled, it is characterized in that: described colour coding is chosen and synthesizer also can comprise a Transparent color judgment means, according to the indicator signal of different colours pattern decision Transparent color.
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| CN94112921A CN1103477C (en) | 1994-12-08 | 1994-12-08 | Image synthetic method and its equipment by mosaic effect treatment |
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| CN94112921A CN1103477C (en) | 1994-12-08 | 1994-12-08 | Image synthetic method and its equipment by mosaic effect treatment |
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| CN101075344B (en) * | 2006-06-21 | 2010-05-12 | 腾讯科技（深圳）有限公司 | Method for merging image format based on index color |
| CN101739697B (en) * | 2008-11-25 | 2012-01-04 | 王源源 | Synthesis method of picture mosaic pattern and system therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782388A (en) * | 1986-10-24 | 1988-11-01 | The Grass Valley Group, Inc. | Method and apparatus for providing video mosaic effects |
| US4888643A (en) * | 1987-04-17 | 1989-12-19 | Sony Corporation | Special effect apparatus |
| US5164825A (en) * | 1987-03-30 | 1992-11-17 | Canon Kabushiki Kaisha | Image processing method and apparatus for mosaic or similar processing therefor |
| JPH06197247A (en) * | 1993-09-01 | 1994-07-15 | Olympus Optical Co Ltd | Camera |
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1994
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782388A (en) * | 1986-10-24 | 1988-11-01 | The Grass Valley Group, Inc. | Method and apparatus for providing video mosaic effects |
| US5164825A (en) * | 1987-03-30 | 1992-11-17 | Canon Kabushiki Kaisha | Image processing method and apparatus for mosaic or similar processing therefor |
| US4888643A (en) * | 1987-04-17 | 1989-12-19 | Sony Corporation | Special effect apparatus |
| JPH06197247A (en) * | 1993-09-01 | 1994-07-15 | Olympus Optical Co Ltd | Camera |
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