CN1897732A - Mobile communication terminal video frequency talk method and device - Google Patents
Mobile communication terminal video frequency talk method and device Download PDFInfo
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- CN1897732A CN1897732A CNA2006100834850A CN200610083485A CN1897732A CN 1897732 A CN1897732 A CN 1897732A CN A2006100834850 A CNA2006100834850 A CN A2006100834850A CN 200610083485 A CN200610083485 A CN 200610083485A CN 1897732 A CN1897732 A CN 1897732A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a mobile communication terminal video frequency talk method and device. The invention comprises following steps: a step of input, in order to communication with a video, a sender inputting information used for communicating with a receiver video; a step of display, diaplaying the sender video inputted from a camera; a step of filtration, filtrating the sender video; a step of transmission, compressing the filtrated video and transmitting it in to the receiver. This invention achieves effects of sensible video and video communication in special atmosphere.
Description
Technical field
The present invention relates to a kind of video call method and device of mobile communication terminal, particularly relate to and a kind ofly be used to utilize the image filter to make the video call method and the device of the mobile communication terminal of multiple effect.
Background technology
Along with developing rapidly of the communication technology, mobile communication terminal has surmounted the service based on voice, and various multimedia services are being provided.In order to be used as multiple use to mobile communication terminal, mp3 or camera etc. are installed has become a kind of trend.Recently, can utilize the camera of installing in this mobile communication terminal to carry out video calling, that is, see in real time that with partner the other side's face is conversed.
In order to realize this video calling, mobile communication terminal obtains image, the image that obtains is collected and is compressed the back directly transmit, and by this compression, can further improve efficiency of transmission.
But aforesaid way has reduced the amount of information of image when video calling, though can be accurately, transmission rapidly, the perception performance that may the multiple image effect of restricted passage realizes.Therefore, be difficult to satisfy self-expression and desire very strong young human needs, and, when using general image filter, go out the phenomenon of active image local pixel.
Summary of the invention
The objective of the invention is to, provide a kind of mobile communication terminal that is used for to utilize the image filter to realize the video communication method and the device of perception performance.
For achieving the above object, the video call method of the mobile communication terminal of the embodiment of the invention, its feature comprises: input step, sender's input is used for the information with recipient's video calling; Step display shows from above-mentioned sender's image of camera input; Filtration step filters above-mentioned sender's image; Transmitting step compresses the image of above-mentioned filtration, is transferred to above-mentioned recipient.
For achieving the above object, the video call method of the another kind of mobile communication terminal of the embodiment of the invention, its feature comprises: receiving step receives image from the sender; Step display, reduce above-mentioned reception image and show; Filtration step filters the image of above-mentioned reduction; The video calling step shows the image of above-mentioned filtration, the beginning video calling.
For achieving the above object, the video calling device of the mobile communication terminal of the embodiment of the invention, its feature comprises: key input part, it is used for sender's input and the required information of recipient's video calling; Display part, it shows from above-mentioned sender's image of camera input; Image processing portion, it filters above-mentioned sender's image, and the image of above-mentioned filtration is compressed, and is transferred to above-mentioned recipient.
In sum, the present invention has following effect, that is, image application filter when the mobile communication terminal video calling filters the image of importing, thereby can show the image of richer perception, builds special atmosphere and carries out video calling.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the block diagram of mobile communication terminal structure of the carried out video calling of the embodiment of the invention;
Fig. 2 is the block diagram of the image processing bilge construction in the mobile communication terminal of the embodiment of the invention;
Fig. 3 is the block diagram of the mobile communication terminal filtration step of the embodiment of the invention;
Fig. 4 is the video communication method flow chart that the mobile communication terminal of the embodiment of the invention has been used the image filter;
Fig. 5 is that the mobile communication terminal of the embodiment of the invention carries out the required transmission action flow chart of video calling;
Fig. 6 is that the mobile communication terminal of the embodiment of the invention carries out the required reception action flow chart of video calling.
Wherein, Reference numeral:
110: camera 120: image processing portion
130: speech processes portion 140: control part
150: wireless processing section 160: display part
170: preservation portion 180: key input part
Embodiment
With reference to the accompanying drawings, describe useful embodiment of the present invention in detail.It should be noted that in the following description only the required part of action and effect of the present invention is understood in explanation, the explanation of other parts is omitted in addition, in order to avoid obscure main idea of the present invention.
The user wishes to utilize the Blur filter (Blurring Filter) that object is thickened, beautiful, richer more effect ground performance self-image.Therefore, in an embodiment of the present invention, to support that the mobile communication terminal of the function of performance image is that example describes with being used for richer effect.Wherein, be not only above-mentioned the Blur filter, can also use other required filter of richer effect ground performance image.
Fig. 1 is the block diagram of mobile communication terminal structure that shows the carried out video calling of the embodiment of the invention, and Fig. 2 is the block diagram that shows the image processing bilge construction in the mobile communication terminal of the embodiment of the invention.
As shown in Figure 1, mobile communication terminal is made of following several sections: image processing portion 120, and it is to handling by the image of camera 110 inputs; Speech processes portion 130, it is handled voice; Control part 140, it controls above-mentioned image and speech data; Wireless processing section 150, it is connected with antenna, for carrying out radio communication with the base station transmission/received signal is handled; Display part 160, it shows the image that receives; Preservation portion 170, it preserves above-mentioned image and speech data; Key input part 180, it has prepares button and beginning button.
As above-mentioned shown in Figure 2, above-mentioned image processing portion 120 comprises following several sections: camera signal handling part 121, and its promptly, is image correction the camera signal from camera 110 inputs the analog signal of certain grade; Digital Signal Processing portion (DSP) 122, it becomes above-mentioned analog image conversion of signals digital signal to handle; Image compression/reduction portion 124, it compresses/reduces the signal of video signal of above-mentioned digital translation.In order to show more various effect, in the image processing portion 120 of this general structure, also comprise image filter portion 123.
After above-mentioned Digital Signal Processing portion 122 carries out processing such as restriction, RGB color control, brilliance control at the signal of video signal of input, show the input image by display part 160, in order to carry out transmitting the required image compression of image to the other side, be converted to luminance signal (Y), color signal (Cr, certain format Cb).
The signal that 124 pairs in above-mentioned image compression/reduction portion filters through above-mentioned image filter portion 123 compresses, and transmits by control part 140, and the signal of video signal of importing by modulator-demodulator (not marking among the figure) is reduced.
Above-mentioned image filter portion 123 is connected between above-mentioned Digital Signal Processing portion 122 and the above-mentioned image compression/reduction portion 124, comprises a plurality of image filters, changes in order to proofread and correct the pixel number, also comprises the part that pixel is expanded.And for the image to input filters, above-mentioned image filter portion 123 uses the image filter form shown in following (table 1).Wherein, in order to realize handling moving image, the image filter uses the filter with 3 * 3 little form weighted value ranks of operand.For example, the kind of image filter can be the Blur filter (Blurring Filter) that makes the image object fuzzy, also can use the filter of other kind that can build special atmosphere.
Table 1
| W 9 | W 2 | W 3 |
| W 8 | W 1 | W 4 |
| W 7 | W 6 | W 5 |
The rgb value that this image filter portion 123 extracts 3 * 3 zones of images multiplies each other, and average result as an original pixel value substitution, is moved the weighted value ranks shown in above-mentioned (table 1) at all pixels, meanwhile filters.
When using this filter, the number of the pixel of N * N becomes (N-2) * (N-2) pixel, for this is proofreaied and correct, need at first increase the pixel number.This step is added lastrow R (1,1), R (1,2) as shown in Figure 3 one after another in pixel, ... R (1,660), next line R (507,1), R (507,2) ... R (507,660), left row R (1,1), R (2,1) ... R (507,1), right side row R (1,660), R (2,660) ... the data of R (507,660), carry out (N+2) * (N+2).And the part of duplicating is promptly duplicated the corner portions located of part and is also distinguished copy data.So, if in the pixel that duplicates the image application filter, then be converted to the image of N * N pixel.Wherein, in above-mentioned Fig. 3, shown in three data of RGB, the step that the R data are expanded only, still, G and B data can be used step object element same as described above and expand.
With reference to the accompanying drawings, carry out the required method of video communication and be specifically described having as above the mobile communication terminal of structure.
Fig. 4 is the video communication method flow chart that the mobile communication terminal of the embodiment of the invention has been used the image filter.
As above-mentioned shown in Figure 4, in 200 steps, the image processing portion 120 of mobile communication terminal confirms whether imported camera signal from camera 110.At this moment, when not importing camera signal, image processing portion 120 returns 200 steps, keeps holding state.On the contrary, when having imported camera signal, image processing portion 120 utilizes camera signal handling part 121, and the camera signal of input is corrected into the analog signal of certain grade, by Digital Signal Processing portion 122, analog signal conversion is become digital signal.The digital signal of conversion like this, i.e. image data input image filter portion 123.So in 210 steps, image processing portion 120 through as above-mentioned step shown in Figure 3, expands the pixel number of image data by image filter portion 123.
Then, in 220 steps, image processing portion 120 uses 3 * 3 filters, after the image data of above-mentioned expansion filtered, in 230 steps, after filtration and the image of output be transferred to preservation portion 170 and preserve, in 240 steps, carry out " RGB to YUV " and filter.So, in 250 steps, after the image of image processing portion 120 by 124 pairs of filtrations of image compression/reduction portion compresses, in 260 steps, the image of compression is transferred to the sender.
With reference to the accompanying drawings, when receiving,, richlyer carry out the required action of video calling perceptually and describe when sending respectively to using the image that filters by above-mentioned steps.At first, illustrate that carrying out the required transmission of video calling moves.
Fig. 5 is that the mobile communication terminal of the embodiment of the invention carries out the required transmission action flow chart of video calling.
As above-mentioned shown in Figure 5, in 300 steps, mobile communication terminal is received the information that is used for video calling by key input part 180 inputs by the sender.Wherein, the above-mentioned information that is used for video calling comprises recipient's telephone number and is used for the key input content of model selection.
In 310 steps, mobile communication terminal confirms whether the sender imports the preparation key, and promptly whether current state is ready mode.At this moment, when current state was ready mode, in 320 steps, mobile communication terminal showed sender's image in display part 160.Then, in 330 steps, mobile communication terminal is selected filter for sender's image is filtered.
On the contrary, in above-mentioned 310 steps, when confirming that the result is not a ready mode, but during the initiating key of sender's input, so, in 315 steps, mobile communication terminal enters 340 steps after current state is converted to the beginning pattern.
In 340 steps, mobile communication terminal by as above-mentioned step shown in Figure 4, the filter by above-mentioned selection filters, and the image that filters is compressed, and is transferred to the recipient, begins video calling with this.
The following describes and carry out the required reception action of video calling.
Fig. 6 is that the mobile communication terminal of the embodiment of the invention carries out the required reception action flow chart of video calling.
As above-mentioned shown in Figure 6, in 400 steps, when the recipient makes visual telephone, if promptly mobile communication terminal has received signal of video signal, then in 410 steps, telephone bell takes place, in display part 160, show " in the video calling ".
So in 420 steps, mobile communication terminal confirms whether to use the image filter, when using the image filter, enters 430 steps, when not in use, enters 425 steps, be converted to the beginning pattern after, enter 460 steps.
In 430 steps, after mobile communication terminal is converted to ready mode, in 440 steps, the sender's image that receives is reduced, in display part 160, show then.Then, in 450 steps, mobile communication terminal selects to be used for filter that the image that receives from above-mentioned sender is filtered.So in 460 steps, mobile communication terminal begins video calling by filtered image and above-mentioned sender.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1, a kind of video call method of mobile communication terminal is characterized in that, comprising:
Input step, sender's input is used for the information with recipient's video calling;
Step display shows from above-mentioned sender's image of camera input;
Filtration step filters above-mentioned sender's image;
Transmitting step compresses the image of above-mentioned filtration, is transferred to above-mentioned recipient.
2, the video call method of mobile communication terminal according to claim 1 is characterized in that, the above-mentioned step that sender's image is filtered also comprises:
Select step,, then select set image filter if current state is the ready mode state;
Expansion step is expanded above-mentioned image;
Filtration step, the filter that uses above-mentioned selection filters the image of above-mentioned expansion.
3, the video call method of mobile communication terminal according to claim 2 is characterized in that, the above-mentioned step that image is expanded is that the local pixel data of duplicating above-mentioned image are added.
The video call method of 4 one kinds of mobile communication terminals is characterized in that, comprising:
Receiving step receives image from the sender;
Step display reduces and shows the image of above-mentioned reception;
Filtration step filters the image of above-mentioned reduction;
The video calling step shows the image of above-mentioned filtration, the beginning video calling.
5, the video call method of mobile communication terminal according to claim 4 is characterized in that, the step that the image of above-mentioned reduction is filtered also comprises:
Select step,, then select set image filter if current state is the ready mode state;
Expansion step is expanded above-mentioned image;
Filtration step, the filter that uses above-mentioned selection filters the image of above-mentioned expansion.
6, the video call method of mobile communication terminal according to claim 5 is characterized in that, the step that above-mentioned image is expanded is that the local pixel data of duplicating above-mentioned image are added.
7, a kind of video calling device of mobile communication terminal is characterized in that, comprising:
Key input part is used for sender's input and the required information of recipient's video calling;
Display part shows from above-mentioned sender's image of camera input;
Image processing portion, it filters above-mentioned sender's image, and the image of above-mentioned filtration is compressed, and is transferred to above-mentioned recipient.
8, the video calling device of mobile communication terminal according to claim 7 is characterized in that,
Above-mentioned image processing portion also comprises:
Digital Signal Processing portion is converted to digital signal to the signal of video signal of input;
Image filter portion if current state is the ready mode state, then expands above-mentioned image, selects set image filter, and the image of above-mentioned expansion is filtered;
Image compression/reduction portion compresses the image of above-mentioned expansion, and the image that receives is reduced.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050062891 | 2005-07-12 | ||
| KR1020050062891A KR20070007998A (en) | 2005-07-12 | 2005-07-12 | A picture call method and apparatus of mobile communication station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1897732A true CN1897732A (en) | 2007-01-17 |
| CN100596218C CN100596218C (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610083485A Expired - Fee Related CN100596218C (en) | 2005-07-12 | 2006-05-30 | Mobile communication terminal video frequency talk method and device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20070007998A (en) |
| CN (1) | CN100596218C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686450A (en) * | 2013-12-31 | 2014-03-26 | 广州华多网络科技有限公司 | Video processing method and system |
| CN106358004A (en) * | 2015-07-14 | 2017-01-25 | 腾讯科技（深圳）有限公司 | Video call method and video call device |
| CN108289185A (en) * | 2017-01-09 | 2018-07-17 | 腾讯科技（深圳）有限公司 | A kind of video communication method, device and terminal device |
| CN108337465A (en) * | 2017-02-09 | 2018-07-27 | 腾讯科技（深圳）有限公司 | Method for processing video frequency and device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101651125B1 (en) * | 2009-06-29 | 2016-08-25 | 엘지전자 주식회사 | Mobile terminal and method for displaying image thereof |
-
2005
- 2005-07-12 KR KR1020050062891A patent/KR20070007998A/en not_active Application Discontinuation
-
2006
- 2006-05-30 CN CN200610083485A patent/CN100596218C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686450A (en) * | 2013-12-31 | 2014-03-26 | 广州华多网络科技有限公司 | Video processing method and system |
| CN106358004A (en) * | 2015-07-14 | 2017-01-25 | 腾讯科技（深圳）有限公司 | Video call method and video call device |
| CN108289185A (en) * | 2017-01-09 | 2018-07-17 | 腾讯科技（深圳）有限公司 | A kind of video communication method, device and terminal device |
| CN108337465A (en) * | 2017-02-09 | 2018-07-27 | 腾讯科技（深圳）有限公司 | Method for processing video frequency and device |
| CN108337465B (en) * | 2017-02-09 | 2021-05-14 | 腾讯科技（深圳）有限公司 | Video processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100596218C (en) | 2010-03-24 |
| KR20070007998A (en) | 2007-01-17 |
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Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONICS (CHINA) R + D CENTER CO., LTD. Effective date: 20120321 |
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Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
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Effective date of registration: 20120321 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park Building No. 203 Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
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Granted publication date: 20100324 Termination date: 20150530 |
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