CN102185965B - Dual-camera handset and realizing method thereof - Google Patents
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Abstract
The invention relates to the field of a mobile terminal and discloses a dual-camera handset and a realizing method thereof. As an FPGA (Field Programmable Gate Array) module is adopted for receiving the first image signal of a first camera and the second image signal of a second camera, and adding the first marking to the first image signal and adding the second marking to the second image, thus forming mixed image signals by superposing and synthesizing, and sending the mixed image signals to a baseband module; the baseband module separates the first image signal from the second image signal out of the mixed image signals according to the first marking and the second marking; the separated first image signal and the second image signal are memorized in different RAM (Random-Access Memory) areas respectively; and subsequently the image signals of each camera can be refreshed and displayed on an LCD (Liquid Crystal Display) screen by a displaying program so that a user can see two camera pictures that are previewed simultaneously. The dual-camera handset has new function that the two cameras can photograph simultaneously, thus providing the convenience to the user.
Description
Technical field
The present invention relates to field of mobile terminals, in particular a kind of Dual-camera handset and its implementation.
Background technology
Along with the development of mobile communication and the raising of people's living standard, the use of mobile phone is more and more universal, and mobile phone has become indispensable means of communication in people's life.Present cell-phone function is more and more, as shooting, broadcast receiver, electronic reading etc.
The mobile phone of prior art is all that single camera is realized taking, although some mobile phones have been equipped with two cameras, but a time is taken with a camera only, because the baseband chip of mobile phone only has a utilizing camera interface, can't realize that two cameras are taken simultaneously, can't meet user's demand.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, the above-mentioned defect for prior art, provide a kind of Dual-camera handset and its implementation, and it makes mobile phone increase new function: can realize that two cameras are taken simultaneously simultaneously, provide users with the convenient.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of dual camera implementation method of mobile phone wherein, comprises step:
A, arrange the first camera of mobile phone and second camera are connected to baseband module by a FPGA module;
B, by the first camera obtain the first picture signal, second camera obtains the second picture signal;
C, FPGA module receive described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and will add by the FPGA module that the first picture signal of sign and the second picture signal superpose and synthesize a road vision-mix signal and send to baseband module;
D, baseband module receive described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored respectively;
The first picture signal that E, display module will be stored respectively and the second picture signal show that refreshing classification is put in video memory, and the first picture signal and the second picture signal that control is put in video memory are shown as respectively the two-way image;
Described steps A specifically comprises:
A1, the YUV interface of FPGA module by two 8 is set is connected with second camera with described the first camera respectively;
A2, the FPGA module is set is connected with described baseband module by a 9/10bit interface;
Described FPGA module is increased prefix after receiving the first picture signal and the second picture signal, increases the prefix of a 1bit on first picture signals of 8 and the second image signal data;
Described step C specifically comprises:
C1, FPGA module receive described the first picture signal and the second picture signal, and the first sign 0 is added on the data of the first picture signal as prefix, and are added on the data of the second picture signal the second sign 1 as prefix;
C2, FPGA module will add the first picture signal of prefix 0 and add the second picture signal of prefix 1, superpose to synthesize a road vision-mix signal and send to baseband module;
Described FPGA module is superposeed the data of two cameras, in the mode of a secondary picture, sends to baseband module.
The dual camera implementation method of described mobile phone, wherein, described step B specifically comprises: the second cmos sensor that the first cmos sensor by the first camera obtains the first picture signal, second camera obtains the second picture signal.
The dual camera implementation method of described mobile phone, wherein, described step D specifically comprises:
D1, baseband module receive described vision-mix signal, and this vision-mix signal is temporarily stored in RAM;
D2, baseband module are according to described first sign the 0 and second sign 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions.
A kind of Dual-camera handset, comprise the first camera and second camera, wherein, it also comprises: the FPGA module be connected with second camera with described the first camera respectively, the baseband module be connected with described FPGA module, the display module be connected with described baseband module;
The first camera is for obtaining the first picture signal; Second camera is for obtaining the second picture signal;
The FPGA module is for receiving described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and will add that the first picture signal of sign and the second picture signal superpose and synthesize a road vision-mix signal and send to baseband module;
Baseband module is for receiving described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions;
Display module is put in video memory for the first picture signal and the second picture signal classification that will be stored in different ram regions, and controls it and be shown as the two-way image;
Described FPGA module is a fpga chip, and described fpga chip is connected with second camera with described the first camera respectively by the YUV interface of two 8;
Described fpga chip is connected with baseband module by the interface of 9;
Described FPGA module increases prefix for the first picture signal to receiving and the second picture signal, increases the prefix of a 1bit on first picture signals of 8 and the second image signal data;
Described FPGA module further comprises:
The first receiving element, for receiving described the first picture signal and the second picture signal;
The sign adding device, for be added on the data of the first picture signal using the first sign 0 as prefix, and be added on the data of the second picture signal the second sign 1 as prefix;
The stack synthesis unit, for first picture signal that will add prefix 0 and the second picture signal that adds prefix 1, superposeing synthesizes a road vision-mix signal and sends to baseband module;
Described FPGA module is for being superposeed the data of two cameras, in the mode of a secondary picture, sends to baseband module.
Described Dual-camera handset, wherein, be provided with the first cmos sensor in described the first camera, and the first cmos sensor by the first camera obtains the first picture signal;
Be provided with the second cmos sensor in described second camera, the second cmos sensor by second camera obtains the second picture signal.
Described Dual-camera handset, wherein, described baseband module further comprises:
The second receiving element, for receiving described vision-mix signal, and be temporarily stored in this vision-mix signal in RAM;
The separation of images unit, for according to described the first sign 0 and second, identifying 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions.
Dual-camera handset provided by the present invention and its implementation, owing to having adopted the FPGA module to receive the first picture signal of the first camera and the second picture signal of second camera, and respectively the first picture signal is added to the first sign, after the second picture signal is added to the second sign, superposeing synthesizes a road vision-mix signal and sends to baseband module; Baseband module, according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal is stored in respectively different ram regions; Then the picture signal of each camera flushes on lcd screen by display routine, and the user just can see that two whiles are carrying out the camera picture of preview.It makes mobile phone increase new function: can realize that two cameras are taken simultaneously simultaneously, provide users with the convenient.
The accompanying drawing explanation
Fig. 1 is the Dual-camera handset functional schematic block diagram of the embodiment of the present invention.
Fig. 2 is the wherein Dual-camera handset functional schematic block diagram of a specific embodiment of the present invention.
Fig. 3 is the dual camera implementation method flow chart of embodiment of the present invention mobile phone.
Fig. 4 is the FPGA inside modules block diagram of embodiment of the present invention Dual-camera handset
Fig. 5 is the baseband module internal frame diagram of embodiment of the present invention Dual-camera handset.
Embodiment
A kind of Dual-camera handset provided by the present invention and its implementation, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of Dual-camera handset that the embodiment of the present invention provides, its theory diagram as shown in Figure 1, mainly comprise the first camera 110 and second camera 120, the FPGA module be connected with second camera 120 with described the first camera 110 respectively, the baseband module be connected with described FPGA module, the display module be connected with described baseband module.
Wherein, the first camera 110 is for obtaining the first picture signal; Second camera 120 is for obtaining the second picture signal.
For example, as shown in Figure 2, adopt to be provided with the first cmos sensor (imageing sensor) in described the first camera 110, the first cmos sensor by the first camera 110 obtains the first picture signal; And being provided with the second cmos sensor in described second camera 120, the second cmos sensor by second camera obtains the second picture signal.
As shown in Figure 1, described FPGA module is for receiving described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and will add the first picture signal and second picture signal of sign, superposeing synthesizes a road vision-mix signal and sends to baseband module.
Wherein, as shown in Figure 2, it is field programmable gate array that the FPGA module can adopt a FPGA(Field-Programmable Gate Array) chip, the mobile phone of the present embodiment uses the FPGA module to realize dual camera (CAMERA).Simultaneously, the FPGA module has realized the data of two cameras are superposeed, and finally the mode with a secondary picture sends to baseband module.The FPGA module also can configure a job in two cameras, and another one is not worked simultaneously.
In the specific implementation, as shown in Figure 2, receive the data of two cmos sensors by fpga chip, by fpga chip, receive the first picture signal of the first cmos sensor and the second picture signal of the second cmos sensor.And the interface between the first cmos sensor and the second cmos sensor and fpga chip adopts the YUV interface (color difference components interface) of 8, the YUV interface of described fpga chip by two 8 is connected with second camera with described the first camera respectively.
And the interface between fpga chip and baseband module adopts the interface of 9, the FPGA module is connected with described baseband module by a 9/10bit interface.Receive 8 bit data (i.e. the second picture signal of the first picture signal of the first cmos sensor and the second cmos sensor) of two cameras at fpga chip after.Fpga chip is increased prefix after receiving the first picture signal and the second picture signal, according to the source of data, increases the prefix of a 1bit on first picture signal of 8 (i.e. 8 bits) and the second image signal data.As follows:
| Prefix | Implication |
| 0 | The first cmos sensor data from the |
| 1 | The second cmos sensor data from |
Realization, FPGA module receive described the first picture signal and the second picture signal, and are added on the data of the first picture signal the first sign 0 as prefix, the first cmos sensor for explanation data from the first camera 110; And be added on the data of the second picture signal the second cmos sensor for explanation data from second camera 120 using the second sign 1 as prefix.
Then fpga chip will add the first picture signal of prefix 0 and add the second picture signal of prefix 1, superpose and synthesize a road vision-mix signal, be vision-mix signal=with the first picture signal of prefix 0+with the second picture signal of prefix 1, then by this vision-mix signal by and baseband module between the 9/10bit interface send to baseband module.
Described baseband module receives described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions.
For example, as shown in Figure 2, baseband module after receiving 9/10 vision-mix signal data, according to above-mentioned prefix first sign the 0 and second sign 1 just can determine in current vision-mix signal respectively data from which camera.Because baseband module only has an interface, so baseband module, after receiving the vision-mix signal, is placed on the data of vision-mix signal in RAM.Then allow the service data separable programming, be about to the first image signal data of the first camera in the vision-mix signal and the second image signal data of second camera and separate (according to prefix separately), the first picture signal and the second picture signal that then will separate are stored in respectively different ram regions.
Display module is put in video memory for the first picture signal and the second picture signal classification that will be stored in different ram regions, and controls it and be shown as the two-way image.
As shown in Figure 2, the first picture signal and the second image signal data that by display module, will separate flush on lcd screen by display routine, and the user just can see that two whiles are carrying out the camera picture of preview.Particularly, can adopt and will be put in the video memory of LCD from the first image signal data of the first camera and the second image signal data classification of second camera, control again the first picture signal in video memory and the second picture signal are shown as to the two-way picture signal on LCD, because the LCD video memory is the scratchpad memory for showing, the view data of video memory can directly show on LCD.
In addition, in the embodiment shown in Figure 2, between the first camera 110, second camera 120, GPGA chip and baseband module, also by an I2C bus, be connected.I2C (Inter-Integrated Circuit) bus is a kind of twin wire universal serial bus by the exploitation of PHILIPS company, for connecting microcontroller and ancillary equipment thereof
It is in the Dual-camera handset of above-described embodiment, and the embodiment of the present invention provides a kind of dual camera implementation method of mobile phone, as shown in Figure 3, comprises step:
Step S310, as shown in 1, arrange the first camera 110 of mobile phone and second camera 120 be connected to baseband module by a FPGA module.Wherein, it is field programmable gate array that the FPGA module can adopt a FPGA(Field-Programmable Gate Array) chip, the mobile phone of the present embodiment uses the FPGA module to realize dual camera (CAMERA).Simultaneously, the FPGA module has realized the data of two cameras are superposeed, and finally the mode with a secondary picture sends to baseband module
Specifically as shown in Figure 2, the YUV interface of fpga chip by two 8 (8Bit) being set is connected with the first cmos sensor of described the first camera 110 and the second cmos sensor of second camera 120 respectively; And being set, fpga chip is connected with described baseband module by a 9/10bit interface, specifically as mentioned above.
Step S320, by the first camera 110 obtain the first picture signal, second camera 120 obtains the second picture signal, as shown in Figure 2.
For example, the second cmos sensor that obtains the first picture signal, second camera of the first cmos sensor by the first camera obtains the second picture signal, specifically as mentioned above.
Step S330, FPGA module receive described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and the first picture signal and second picture signal that will add sign by the FPGA module, superposeing synthesizes a road vision-mix signal and sends to baseband module.
For example by the FPGA module, receive described the first picture signal and the second picture signal, and the first sign 0 is added on the data of the first picture signal as prefix, and be added on the data of the second picture signal the second sign 1 as prefix; Specifically as mentioned above.
Then will add the first picture signal of prefix 0 by the FPGA module and add the second picture signal of prefix 1, superposeing synthesizes a road vision-mix signal and sends to baseband module, specifically as mentioned above.
Step S340, baseband module receive described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored respectively;
For example, baseband module receives described vision-mix signal, and this vision-mix signal is temporarily stored in RAM; And according to described first sign the 0 and second sign 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal be stored in respectively different ram regions, specifically as mentioned above.
The first picture signal that step S350, display module will be stored respectively and the second picture signal show that refreshing classification is put in video memory, and the first picture signal and the second picture signal that control is put in video memory are shown as respectively the two-way image.Specifically as mentioned above.
Therefore the embodiment of the present invention can realize that two CAMERA are taken, and provides users with the convenient simultaneously simultaneously.
Based on above-described embodiment, the Dual-camera handset of the embodiment of the present invention, as shown in Figure 4, described FPGA module further comprises:
The first receiving element, for receiving described the first picture signal and the second picture signal; Specifically as mentioned above.
The sign adding device, for be added on the data of the first picture signal using the first sign 0 as prefix, and be added on the data of the second picture signal the second sign 1 as prefix; Specifically as mentioned above.
The stack synthesis unit, for first picture signal that will add prefix 0 and the second picture signal that adds prefix 1, superposeing synthesizes a road vision-mix signal and sends to baseband module, specifically as mentioned above.
As shown in Figure 5, described baseband module further comprises:
The second receiving element, for receiving described vision-mix signal, and be temporarily stored in this vision-mix signal in RAM; Specifically as mentioned above.
The separation of images unit, for according to described the first sign 0 and second, identifying 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal be stored in respectively different ram regions, specifically as mentioned above.
In sum, Dual-camera handset provided by the present invention and its implementation, owing to having adopted the FPGA module to receive the first picture signal of the first camera and the second picture signal of second camera, and respectively the first picture signal is added to the first sign, after the second picture signal is added to the second sign, superposeing synthesizes a road vision-mix signal and sends to baseband module; Baseband module, according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal is stored in respectively different ram regions; Then the picture signal of each camera flushes on lcd screen by display routine, and the user just can see that two whiles are carrying out the camera picture of preview.It makes mobile phone increase new function: can realize that two cameras are taken simultaneously simultaneously, provide users with the convenient.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (6)
1. the dual camera implementation method of a mobile phone, is characterized in that, comprises step:
A, arrange the first camera of mobile phone and second camera are connected to baseband module by a FPGA module;
B, by the first camera obtain the first picture signal, second camera obtains the second picture signal;
C, FPGA module receive described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and will add by the FPGA module that the first picture signal of sign and the second picture signal superpose and synthesize a road vision-mix signal and send to baseband module;
D, baseband module receive described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored respectively;
The first picture signal that E, display module will be stored respectively and the second picture signal show that refreshing classification is put in video memory, and the first picture signal and the second picture signal that control is put in video memory are shown as respectively the two-way image;
Described steps A specifically comprises:
A1, the YUV interface of FPGA module by two 8 is set is connected with second camera with described the first camera respectively;
A2, the FPGA module is set is connected with described baseband module by a 9/10bit interface;
Described FPGA module is increased prefix after receiving the first picture signal and the second picture signal, increases the prefix of a 1bit on first picture signals of 8 and the second image signal data;
Described step C specifically comprises:
C1, FPGA module receive described the first picture signal and the second picture signal, and the first sign 0 is added on the data of the first picture signal as prefix, and are added on the data of the second picture signal the second sign 1 as prefix;
C2, FPGA module will add the first picture signal of prefix 0 and add the second picture signal of prefix 1, superpose to synthesize a road vision-mix signal and send to baseband module;
Described FPGA module is superposeed the data of two cameras, in the mode of a secondary picture, sends to baseband module.
According to claim 1 the dual camera implementation method of mobile phone, it is characterized in that, described step B specifically comprises: the second cmos sensor that the first cmos sensor by the first camera obtains the first picture signal, second camera obtains the second picture signal.
3. the dual camera implementation method of mobile phone according to claim 1, is characterized in that, described step D specifically comprises:
D1, baseband module receive described vision-mix signal, and this vision-mix signal is temporarily stored in RAM;
D2, baseband module are according to described first sign the 0 and second sign 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions.
4. a Dual-camera handset, comprise the first camera and second camera, it is characterized in that, it also comprises: the FPGA module be connected with second camera with described the first camera respectively, the baseband module be connected with described FPGA module, the display module be connected with described baseband module;
The first camera is for obtaining the first picture signal; Second camera is for obtaining the second picture signal;
The FPGA module is for receiving described the first picture signal and the second picture signal, and respectively the first picture signal is added to the first sign, the second picture signal is added to the second sign, and will add that the first picture signal of sign and the second picture signal superpose and synthesize a road vision-mix signal and send to baseband module;
Baseband module is for receiving described vision-mix signal, and according to the first sign and the second sign, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions;
Display module is put in video memory for the first picture signal and the second picture signal classification that will be stored in different ram regions, and controls it and be shown as the two-way image;
Described FPGA module is a fpga chip, and described fpga chip is connected with second camera with described the first camera respectively by the YUV interface of two 8;
Described fpga chip is connected with baseband module by the interface of 9;
Described FPGA module increases prefix for the first picture signal to receiving and the second picture signal, increases the prefix of a 1bit on first picture signals of 8 and the second image signal data;
Described FPGA module further comprises:
The first receiving element, for receiving described the first picture signal and the second picture signal;
The sign adding device, for be added on the data of the first picture signal using the first sign 0 as prefix, and be added on the data of the second picture signal the second sign 1 as prefix;
The stack synthesis unit, for first picture signal that will add prefix 0 and the second picture signal that adds prefix 1, superposeing synthesizes a road vision-mix signal and sends to baseband module;
Described FPGA module is for being superposeed the data of two cameras, in the mode of a secondary picture, sends to baseband module.
5. Dual-camera handset according to claim 4, is characterized in that, in described the first camera, is provided with the first cmos sensor, and the first cmos sensor by the first camera obtains the first picture signal;
Be provided with the second cmos sensor in described second camera, the second cmos sensor by second camera obtains the second picture signal.
6. Dual-camera handset according to claim 4, is characterized in that, described baseband module further comprises:
The second receiving element, for receiving described vision-mix signal, and be temporarily stored in this vision-mix signal in RAM;
The separation of images unit, for according to described the first sign 0 and second, identifying 1, the first picture signal in described vision-mix signal is separated out with the second picture signal, and the first picture signal that will separate and the second picture signal are stored in respectively different ram regions.
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| CN101291441A (en) * | 2008-05-21 | 2008-10-22 | 深圳华为通信技术有限公司 | Terminal and image information processing method |
| CN101330630A (en) * | 2007-06-22 | 2008-12-24 | 宋柏君 | Portable apparatus for recording and playing three-dimensional image |
| CN201345711Y (en) * | 2008-12-16 | 2009-11-11 | 胡超 | Portable multi-functional stereo image device |
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2011
- 2011-03-18 CN CN2011100663839A patent/CN102185965B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200980140Y (en) * | 2006-09-30 | 2007-11-21 | 夏四清 | A three-dimensional cam |
| CN101330630A (en) * | 2007-06-22 | 2008-12-24 | 宋柏君 | Portable apparatus for recording and playing three-dimensional image |
| CN101227625A (en) * | 2008-02-04 | 2008-07-23 | 长春理工大学 | Stereoscopic picture processing equipment using FPGA |
| CN101291441A (en) * | 2008-05-21 | 2008-10-22 | 深圳华为通信技术有限公司 | Terminal and image information processing method |
| CN201345711Y (en) * | 2008-12-16 | 2009-11-11 | 胡超 | Portable multi-functional stereo image device |
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