CN101697579A - Terminal with videophone function and method for adjusting video images thereof - Google Patents
Terminal with videophone function and method for adjusting video images thereof Download PDFInfo
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Abstract
The invention relates to a terminal with videophone function and a method for adjusting video images thereof, and belongs to the field of communication. The method comprises that: in the process that a first mobile terminal and a second mobile terminal establish video talking connection, the fist mobile terminal and the second mobile terminal respectively send own image display sizes and image acquisition sizes to opposite sides, and determine image size of own transmission images according to the received image display size and image acquisition size of the opposite side and the own image acquisition size; and after the first mobile terminal and the second mobile terminal successfully establish the video talking connection, the first mobile terminal and the second mobile terminal respectively transmit video according to respectively determined the image size of the transmission images. The terminal and the method can make a user fully enjoy video talking effect and not limited to receive images in a QCIF format.
Description
Technical field
The present invention relates to the communications field, particularly a kind of terminal with video telephone function and the method for regulating video image thereof.
Background technology
Along with present 3G (Third Generation) Moblie broad application and HSPA (high speeddownlink packet access, the high speed downlink packet access) development of technology, video telephone function has become the basic function of mobile phone, and the message transmission rate of radio communication is also more and more higher.Portable terminal is also in continuous development in addition, and general trend is towards large-screen, comprises the development of QVGA (QuarterVGA) and VGA aspects such as (Video Graphics Array, Video Graphics Array).And in the present video telephone standard, main transmission of video images size still is (176*144) form of QCIF (Quarter common intermediateformat), when the video of this form shows on will the screen more than QVGA, just need after receiving video, amplify in this locality, just can reach the effect of full screen display, if but image is carried out processing and amplifying, can cause the image mosaic to increase again, not fogging clear effect.
In addition, use large-sized picture format if all be, mobile phone for low side, in order to show complete image, need be to the data that the receive convergent-divergent of sampling, at first strengthen the disposal ability of CPU (CPU, Central Processing Unit), can cause the picture quality variation again simultaneously.
At present about improving the patent of video telephone effect aspect, as CN200610165568.4, it mainly is bit rate at the adaptive adjustment transmission code stream of network conditions, to reach smooth display effect, but user for the large-size screen monitors machine, use this method, the user still can't obtain large-sized video image, does not bring better user experience to the user.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and have the terminal of video telephone function and the method for regulating video image thereof, thereby in video call process, make the video telephone user obtain best image display effect.
In order to address the above problem, the invention discloses the method that a kind of video telephone is regulated the video image size automatically, comprising:
Set up in the process that video calling is connected at first portable terminal and second portable terminal, described first portable terminal and second portable terminal send to the other side with self picture display size and IMAQ size respectively, and according to receiving the other side's picture display size, the other side's IMAQ size and the IMAQ size of self are determined the picture size of self transmission image, after described first portable terminal and second portable terminal were successfully set up video calling and be connected, described first portable terminal and second portable terminal were respectively according to the picture size transmission of video of determined images separately.
Further, in the said method, described first portable terminal and second portable terminal determine that according to receiving the other side's picture display size, the other side's IMAQ size and the IMAQ size of self picture size of self transmission image refers to:
Described first portable terminal is according to the picture display size of described second portable terminal, the IMAQ size of second portable terminal and the IMAQ size of self are determined the picture size of the first portable terminal images, wherein, when the IMAQ size of described first portable terminal during greater than the IMAQ size of described second portable terminal, the picture size of the described first portable terminal images then picture display size with described second portable terminal is identical, when the IMAQ size of described first portable terminal during smaller or equal to the IMAQ size of described second portable terminal, the picture size of the described first portable terminal images is then measure-alike with the IMAQ of described first portable terminal;
Described second portable terminal is according to the picture display size of described first portable terminal, the IMAQ size of first portable terminal and the IMAQ size of self are determined the picture size of the second portable terminal images, wherein, when the IMAQ size of described second portable terminal during greater than the IMAQ size of described first portable terminal, the picture size of the described second portable terminal images then picture display size with described first portable terminal is identical, when the IMAQ size of described second portable terminal during smaller or equal to the IMAQ size of described first portable terminal, the picture size of the described second portable terminal images is then measure-alike with the IMAQ of described second portable terminal.
Wherein, described picture display size size is identical with the screen-sized of portable terminal, and described IMAQ size is identical with the highest resolution size of the support of the camera of portable terminal.
Described first portable terminal and described second portable terminal send to the other side by specific messages or response message with self picture display size and IMAQ size.
After described first portable terminal and described second portable terminal are successfully set up video calling and be connected, also adjust the picture size of images in real time according to Client-initiated control input instruction.
The invention also discloses a kind of terminal, comprise Transmit-Receive Unit and processing unit with video telephone function, wherein:
Described Transmit-Receive Unit, be used for setting up the process that video calling is connected with the opposite end, the picture display size and the IMAQ size of this terminal are sent to the other side, and the picture display size and the IMAQ size that are used to receive the opposite end that the opposite end sends, and the picture display size and the IMAQ size of the opposite end that receives sent to described processing unit;
Described processing unit, be used to receive the picture display size and the IMAQ size of opposite end, and determine the picture size of this terminal transmission image in conjunction with the IMAQ size of this terminal, when with after the opposite end is successfully set up video calling and is connected, picture size transmission of video according to determined images is given the opposite end, and the video that receives and show the opposite end transmission.
Further, in the above-mentioned terminal, described processing unit, according to the picture display size and the IMAQ size of opposite end, and determine that in conjunction with the IMAQ size of this terminal the picture size of this terminal transmission image refers to:
Described processing unit is determined the picture size of this terminal transmission image according to the IMAQ size of the IMAQ size of the picture display size of described opposite end, opposite end and this terminal, wherein, when the IMAQ size of this terminal during greater than the IMAQ size of described opposite end, the picture size of this terminal transmission image then picture display size with described opposite end is identical, when the IMAQ size of this terminal during smaller or equal to the IMAQ size of described opposite end, the picture size of this terminal transmission image is then measure-alike with the IMAQ of this terminal.
Wherein, described picture display size size is identical with the screen-sized of portable terminal, and described IMAQ size is identical with the highest resolution size of the support of the camera of portable terminal.
Described Transmit-Receive Unit sends to the opposite end by specific messages or response message with the picture display size and the IMAQ size of this terminal.
Described processing unit after successfully setting up video calling and be connected in this terminal and described opposite end, is also adjusted the picture size of this terminal transmission image in real time according to Client-initiated control input instruction.
Compared with prior art, the present invention has introduced the mode of carrying out video telephone according to the characteristics of each self terminal, and like this for high-end portable terminal, the user can enjoy the video calling effect to the full, and is not limited only to receive the image of QCIF form.In addition, technical solution of the present invention does not need extra cost, only need expand aspect communication protocol, just can reach the effect of adaptive image size video calling.
Description of drawings
Fig. 1 is the structural representation with terminal of video telephone function provided by the invention;
Fig. 2 (a) is the network architecture diagram of the video telephone that constitutes of the present invention;
Fig. 2 (b) is the flow chart that the present invention carries out video call.
Embodiment
Main design of the present invention is to carry out in the connection procedure of video telephone the first size according to the size of both sides' screen and the size of both sides' images acquired (for example, the highest resolution of camera support) agreement both sides images of both call sides the user; And after both sides successfully connected, the size of images was by appointment carried out data acquisition separately, sends to the opposite end by wireless network, received the image of opposite end transmission simultaneously and carried out decoding and displaying.
Below in conjunction with specific embodiment and accompanying drawing technical solution of the present invention is described in further detail.
A kind of terminal with video telephone function can be regulated the video image size automatically, and its structure comprises Transmit-Receive Unit and processing unit as shown in Figure 1 at least.Introduce the function of each unit below.
Transmit-Receive Unit, when two terminals are carried out in the connection procedure of video telephone, be mainly used in the picture display size (being the LCD size of this terminal) from this terminal to the opposite end and the IMAQ size (ultimate resolution of the camera of this terminal) that send, and the picture display size and the IMAQ size that receive the opposite end that the opposite end sends, and the picture display size and the IMAQ size of the opposite end that receives sent to processing unit;
Wherein, Transmit-Receive Unit can send to the opposite end with the picture display size and the IMAQ size of this terminal by specific information or response message.
Processing unit (being also referred to as CPU), the IMAQ size that is mainly used in the IMAQ size of picture display size according to the opposite end, opposite end and this terminal is determined the picture size of this terminal transmission image, and the data that the collection of this terminal camera comes are compressed transmission according to the picture size of the images of determining, simultaneously the opposite end is sent the compressed video data bag carry out decoding and displaying;
Wherein, when the IMAQ size of this terminal during greater than the IMAQ size of described opposite end, then the picture display size with described opposite end is identical for the picture size of this terminal transmission image that processing unit is determined, when the IMAQ size of this terminal during smaller or equal to the IMAQ size of described opposite end, the picture size of this terminal transmission image that processing unit is determined is then measure-alike with the IMAQ of this terminal.
In other preferred embodiments, processing unit can also receive Client-initiated control input instruction, processing unit is controlled input instruction according to this, adjust the picture size of this terminal transmission image in real time, particularly, the user carries out in the video call process the other side, effect according to the current video conversation of the other user reflection, it is actual call scenarios, network quality etc., initiate the control input instruction, the resolution that is used to improve the resolution of video transmission image or reduces video image, if current network condition allows, large-sized image is supported in the demonstration of opposite end simultaneously, then the processing unit information that Client-initiated can be controlled input instruction sends to the opposite end, and the adjustment of corresponding video coding is carried out in the opposite end according to request.For example, in video call process, if the other side finds that the picture size that receives is less than normal, can require the other user to initiate to increase the control input instruction of camera collection size of images (promptly improving the resolution of video transmission image) by voice, if the other side feels that picture pauses, then can require the other side to initiate to reduce the control input instruction of camera collection size of images, thereby reduction bit rate, perhaps require the other side to initiate to improve the control input instruction of the compression ratio of image, finally improve the effect of current video conversation.
Be example with the communication system architecture shown in Fig. 2 (a) below, introduce the detailed process that above-mentioned terminal is carried out video calling.Wherein, portable terminal A and portable terminal B are the terminal of equity among Fig. 2 (a), they all have video telephone function, and can pass through wireless network (as the 3G (Third Generation) Moblie net, comprise WCDMA, TDSCDMA, CDMA2000 etc.) carry out video communication, the process of video communication shown in Fig. 2 (b), may further comprise the steps:
Step 201: call out when portable terminal A (being video telephone A) initiates video calling to portable terminal B (being video telephone B);
Step 202: after portable terminal B receives that video calling that portable terminal A sends is called out, to portable terminal A echo reply information, and in this response message, carry self picture display size (being the size of LCD) and IMAQ size (being the highest resolution of the support of camera) information by the predefine agreement;
In other application scenarioss, portable terminal B also can send picture display size and the IMAQ size of self by other message beyond the response message to portable terminal A.
Step 203: the response message that portable terminal A mobile terminal receive B sends, therefrom obtain picture display size (size of LCD) and IMAQ size (being the highest resolution of the support of the camera) information of portable terminal B, and self picture display size (size of LCD) and IMAQ size (being the highest resolution of the support of camera) information are issued portable terminal B;
Step 204: portable terminal A is according to the picture display size (being the size of LCD) of portable terminal B, and the IMAQ size of portable terminal A self (being the ultimate resolution of the camera support of portable terminal A), determine the picture size of portable terminal A to portable terminal B images;
In this step, if the IMAQ size of portable terminal A self (being the highest resolution that camera is supported) surpasses the IMAQ size (being the highest resolution that camera is supported) of portable terminal B, then determine the picture size of the maximum that portable terminal A can receive for portable terminal B to the picture size of portable terminal B images, this picture size is identical with the picture display size (size of LCD) of portable terminal B, otherwise, the IMAQ size of portable terminal A self (being the highest resolution that camera is supported) does not surpass the IMAQ size (being the highest resolution that camera is supported) of portable terminal B, determines that then portable terminal A is the IMAQ size of portable terminal A self to the picture size of portable terminal B images;
Step 205: portable terminal B is according to the picture display size (being the size of LCD) of portable terminal A, and the IMAQ size of portable terminal B self, determines the picture size of portable terminal B to portable terminal A images;
The concrete operations of this step are identical with step 204.
Step 206: portable terminal B and portable terminal A connect, and respectively according to the picture size of determined images separately, from the camera collection video image, send to distant terminal, receive the view data that distant terminal sends over simultaneously, carry out decoding and displaying, realize the communication of visual TV.
From the foregoing description as can be seen, in the process of carrying out video calling, the user can own mobile phone screen size and actual call scenarios (as the network quality of conversation), adjust the size of the other side's transmitting video image, thereby obtain effect at a kind of video calling of own mobile phone the best.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various variations and change.Within the spirit and principles in the present invention all, as to be made any modifications are equal to replacement, improve etc., all should be included within protection scope of the present invention.
Claims (10)
1. a video telephone is regulated the method for video image size automatically, it is characterized in that this method comprises:
Set up in the process that video calling is connected at first portable terminal and second portable terminal, described first portable terminal and second portable terminal send to the other side with self picture display size and IMAQ size respectively, and according to receiving the other side's picture display size, the other side's IMAQ size and the IMAQ size of self are determined the picture size of self transmission image, after described first portable terminal and second portable terminal were successfully set up video calling and be connected, described first portable terminal and second portable terminal were respectively according to the picture size transmission of video of determined images separately.
2. the method for claim 1 is characterized in that,
Described first portable terminal and second portable terminal determine that according to receiving the other side's picture display size, the other side's IMAQ size and the IMAQ size of self picture size of self transmission image refers to:
Described first portable terminal is according to the picture display size of described second portable terminal, the IMAQ size of second portable terminal and the IMAQ size of self are determined the picture size of the first portable terminal images, wherein, when the IMAQ size of described first portable terminal during greater than the IMAQ size of described second portable terminal, the picture size of the described first portable terminal images then picture display size with described second portable terminal is identical, when the IMAQ size of described first portable terminal during smaller or equal to the IMAQ size of described second portable terminal, the picture size of the described first portable terminal images is then measure-alike with the IMAQ of described first portable terminal;
Described second portable terminal is according to the picture display size of described first portable terminal, the IMAQ size of first portable terminal and the IMAQ size of self are determined the picture size of the second portable terminal images, wherein, when the IMAQ size of described second portable terminal during greater than the IMAQ size of described first portable terminal, the picture size of the described second portable terminal images then picture display size with described first portable terminal is identical, when the IMAQ size of described second portable terminal during smaller or equal to the IMAQ size of described first portable terminal, the picture size of the described second portable terminal images is then measure-alike with the IMAQ of described second portable terminal.
3. method as claimed in claim 1 or 2 is characterized in that,
Described picture display size size is identical with the screen-sized of portable terminal, and described IMAQ size is identical with the highest resolution size of the support of the camera of portable terminal.
4. method as claimed in claim 1 or 2 is characterized in that,
Described first portable terminal and described second portable terminal send to the other side by specific messages or response message with self picture display size and IMAQ size.
5. method as claimed in claim 1 or 2 is characterized in that,
After described first portable terminal and described second portable terminal are successfully set up video calling and be connected, also adjust the picture size of images in real time according to Client-initiated control input instruction.
6. the terminal with video telephone function is characterized in that, this terminal comprises Transmit-Receive Unit and processing unit, wherein:
Described Transmit-Receive Unit, be used for setting up the process that video calling is connected with the opposite end, the picture display size and the IMAQ size of this terminal are sent to the other side, and the picture display size and the IMAQ size that are used to receive the opposite end that the opposite end sends, and the picture display size and the IMAQ size of the opposite end that receives sent to described processing unit;
Described processing unit, be used to receive the picture display size and the IMAQ size of opposite end, and determine the picture size of this terminal transmission image in conjunction with the IMAQ size of this terminal, when with after the opposite end is successfully set up video calling and is connected, picture size transmission of video according to determined images is given the opposite end, and the video that receives and show the opposite end transmission.
7. terminal as claimed in claim 6 is characterized in that,
Described processing unit, according to the picture display size and the IMAQ size of opposite end, and determine that in conjunction with the IMAQ size of this terminal the picture size of this terminal transmission image refers to:
Described processing unit is determined the picture size of this terminal transmission image according to the IMAQ size of the IMAQ size of the picture display size of described opposite end, opposite end and this terminal, wherein, when the IMAQ size of this terminal during greater than the IMAQ size of described opposite end, the picture size of this terminal transmission image then picture display size with described opposite end is identical, when the IMAQ size of this terminal during smaller or equal to the IMAQ size of described opposite end, the picture size of this terminal transmission image is then measure-alike with the IMAQ of this terminal.
8. as claim 6 or 7 described terminals, it is characterized in that,
Described picture display size size is identical with the screen-sized of portable terminal, and described IMAQ size is identical with the highest resolution size of the support of the camera of portable terminal.
9. as claim 6 or 7 described terminals, it is characterized in that,
Described Transmit-Receive Unit sends to the opposite end by specific messages or response message with the picture display size and the IMAQ size of this terminal.
10. as claim 6 or 7 described terminals, it is characterized in that,
Described processing unit after successfully setting up video calling and be connected in this terminal and described opposite end, is also adjusted the picture size of this terminal transmission image in real time according to Client-initiated control input instruction.
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| CN200910209020.9A CN101697579B (en) | 2009-10-23 | 2009-10-23 | Terminal with videophone function and method for adjusting video images thereof |
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| CN200910209020.9A CN101697579B (en) | 2009-10-23 | 2009-10-23 | Terminal with videophone function and method for adjusting video images thereof |
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| CN101938622A (en) * | 2010-09-08 | 2011-01-05 | 宇龙计算机通信科技(深圳)有限公司 | Method and system for prompting mobile terminal of supporting video call and mobile terminal |
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| CN104469252A (en) * | 2014-11-20 | 2015-03-25 | 深圳怡化电脑股份有限公司 | Facial image extraction achieving method, device and system for VTM |
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| CN106170987A (en) * | 2015-01-30 | 2016-11-30 | 华为技术有限公司 | The method of magnifying video image and terminal in video communication |
| CN106941597A (en) * | 2016-01-04 | 2017-07-11 | 中国移动通信集团公司 | A kind of video call method and device |
| CN106254810A (en) * | 2016-08-23 | 2016-12-21 | 乐视控股（北京）有限公司 | A kind of video call method and device |
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| WO2023123870A1 (en) * | 2021-12-29 | 2023-07-06 | 天翼数字生活科技有限公司 | Method and system for realizing home multimedia gateway |
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