WO2013113189A1 - 一种图像传输方法及系统 - Google Patents

一种图像传输方法及系统 Download PDF

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Publication number
WO2013113189A1
WO2013113189A1 PCT/CN2012/073671 CN2012073671W WO2013113189A1 WO 2013113189 A1 WO2013113189 A1 WO 2013113189A1 CN 2012073671 W CN2012073671 W CN 2012073671W WO 2013113189 A1 WO2013113189 A1 WO 2013113189A1
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Prior art keywords
image
different
screen
target terminal
source terminal
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PCT/CN2012/073671
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English (en)
French (fr)
Inventor
喻子达
王袭
赵向阳
韩文
朴成杰
黄橙
周林
安娜
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海尔集团公司
海尔集团技术研发中心
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Publication of WO2013113189A1 publication Critical patent/WO2013113189A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/04—Partial updating of the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/10—Use of a protocol of communication by packets in interfaces along the display data pipeline

Definitions

  • the present invention relates to the field of image transmission technologies, and in particular, to an image transmission method and system.
  • the multi-screen sharing service can enable the video information browsed by the current terminal device to be sent to other terminal devices in time to realize sharing of the video information by multiple screens.
  • Multi-screen sharing business brings many intelligent experiences to people's lives. For example, it can control various electrical appliances in the home in real time. It can remotely control household appliances such as refrigerators, air conditioners, washing machines, rice cookers, etc. on TVs, mobile phones, etc., and even switch electric windows and doors. Wait.
  • multi-screen sharing mainly refers to displaying the same information on the screens of different terminals.
  • the screen sizes of the various terminals are different, and the amount of information that can be processed and displayed is also different. If the information used for the screen images is all provided to different shared screens, not only the information in the multi-screen sharing of the receivers as the target terminals is affected. The fast transmission and reception also affect people's intelligent experience.
  • the recipient is a mobile phone, a PAD small screen target terminal, and the source terminal, that is, the sender is a large screen device such as a television
  • the mobile phone may not be able to decode at all, or the decoding is slow.
  • the present invention provides an image transmission method and system to solve the problem that a receiver can reduce decoded data in a multi-screen sharing process.
  • the invention provides a method for image segmentation, the method comprising: A.
  • the source terminal divides the image to be transmitted into a main part and at least one secondary part; B.
  • the source terminal sends the main part of the image and different minor parts corresponding to the screen characteristic parameters of the different target terminals to different target terminals according to characteristic parameters of different target terminal screens; C.
  • the target terminal displays the main portion of the received image in combination with the corresponding secondary portion.
  • the source terminal as the sender transmits different parts according to different screen characteristics of the target terminal as the receiver, so that the target terminal as the receiver only receives the parts that are required by itself, so that the receiver reduces the decoded data.
  • the step of dividing in step A includes: dividing the image by a chrominance difference between the video program area and other areas.
  • the main part of the image is the portion that the user is most likely to pay attention to.
  • a main portion of the image is a rectangular portion
  • a secondary portion of the image is a rectangular image located above, below, left, and/or right of the main portion.
  • the step B further includes: the target terminal sending the characteristic parameter of the target terminal screen to the source terminal.
  • the source terminal can be made to update the information of the target terminal for communication in real time.
  • the step B includes: determining different minor portions of images to be received by different target terminals according to characteristic parameters of different target terminal screens; configuring the determined IP addresses of the corresponding target terminals for each secondary portion; The main portion of the image is broadcasted, and each of the secondary portions of the image is grouped according to the configured IP address.
  • the source terminal and the target terminal transmit and receive one-to-one, but also one-to-many transmission and reception, and the main part of the image is transmitted by broadcast, The steps of the configuration.
  • step B further includes: transmitting a relative positional relationship between the respective secondary portions of the image and the main portion to the target terminal; and the combined display of step C includes: receiving the received image according to the relative positional relationship The main part and the minor part are displayed in combination.
  • the characteristic parameters include: a size and a scale of the screen, and resolution information.
  • the required characteristic parameters can be selected as needed to assign different minor parts of the image to different target terminals.
  • the present invention also provides an image transmission system including a source terminal and at least one target terminal, wherein
  • the source terminal includes:
  • An image segmentation module configured to divide an image to be sent by the source terminal into a main portion and at least one secondary portion
  • An image main part sending module configured to send the main part of the image
  • a configuration module configured to configure different target terminals for different minor parts of the image according to received screen characteristic parameters of different target terminals
  • An image secondary part sending module configured to send different minor parts of the image to the corresponding different target terminals according to the configuration
  • the target terminal includes:
  • a main part receiving module of the image configured to receive a main part of the image
  • a secondary portion of the image receiving module for receiving a corresponding secondary portion of the image
  • An image combining module for combining the main part and the secondary part of the received image
  • the screen characteristic parameter sending module is configured to send the screen characteristic parameter of the target terminal to the source terminal.
  • the source terminal as the sender transmits different parts according to different screen characteristics of the target terminal as the receiver, so that the target terminal as the receiver only receives the parts that are needed by itself, so that the receiver reduces the decoded data.
  • FIG. 1 is a schematic flow chart of an image transmission method provided by the present invention.
  • FIG. 2 is a schematic diagram of image segmentation according to the present invention.
  • 3 to 5 are schematic diagrams of image segmentation according to the present invention.
  • Figure 6 is a schematic illustration of an image transmission system of the present invention.
  • An embodiment of the present invention provides an image transmission method.
  • the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
  • the image transmission system of the present invention includes a source terminal 1 and one or more target terminals 2 (only one target terminal is drawn for clarity of illustration), and the source terminal is wirelessly connected to the target terminal. among them,
  • the source terminal 1 includes:
  • the image segmentation module 11 is configured to divide the image to be transmitted by the source terminal into a main portion and at least one secondary portion, wherein the segmentation method will be described later.
  • the image main part transmitting module 12 is configured to send the main part of the image, wherein the sending may be performed by means of broadcasting.
  • the configuration module 14 is configured to configure different target terminals that receive different minor parts of the image according to the received screen characteristic parameters of each target terminal, that is, configure different receivers. Among them, the configuration method will be described later. with
  • the image secondary part sending module 13 is configured to send different minor parts of the image to the corresponding different target terminals 2 according to the content configured by the configuration module 14, and carry the same when the secondary part of each image is sent.
  • the secondary part corresponds to the location information of the main part.
  • the target terminal 2 includes:
  • the image main portion receiving module 22 is configured to receive the main portion of the image broadcast by the image main portion transmitting module 12 of the source terminal 1.
  • the image secondary portion receiving module 23 is configured to receive a corresponding image secondary portion.
  • the image combining module 21 is configured to combine the main part and the secondary part of the received image according to the position information for playing.
  • the screen characteristic parameter sending module 24 is configured to send the screen characteristic parameter of the target terminal 2 to the configuration module 14 of the source terminal 1.
  • FIG. 1 shows a flow of an image transmission method of the present invention, which includes the following steps:
  • Step 100 The screen image of the source terminal 1 is divided into a middle portion which is a main portion of the image, and is a left, right, upper, and lower portions of the secondary portion.
  • the source terminal 1 and the target terminal 2 can be displays of televisions, notebooks, mobile phones, and iPADs, and the like.
  • the center area of the screen generally plays a video program, and the up, down, left, and right areas around the center area can be used as different display areas. For example, subtitles are usually displayed in an area below the center area, for example, published in this area. Scroll the message.
  • the canny algorithm is used to detect the center edge, and by comparing the chromaticity difference, the video program (the main part of the screen) can be compared with other The area (the secondary part of the screen) is divided, and an image edge detection algorithm may be employed, that is, when the chromaticity difference between the scan line of one row (or column) and the scan line of another row (or column) is large, the row is determined ( Or column) is the edge line of the main part of the screen, and so on, can determine the four edge lines of the main part of the screen, respectively, thus determining the picture edge of the video program, that is, determining the central part of the screen image (the main screen image) section).
  • the steps of the Canny algorithm are as follows:
  • the gradient greater than the high threshold is a strong edge pixel, and the greater than the low threshold is a potentially weak edge point;
  • the secondary portion of the screen can be divided into left and right sides around the center portion by extending the edge line. Upper and lower parts. Extend the line edge line, and the divided screen is shown in Figure 2.
  • the screen image can be divided into five parts, namely, up, down, left, right, and center.
  • the coordinate system is established, and the area on the screen is a rectangular area composed of (0, L), (W, L), (W, y2), (0, y2), which is called the upper part of the screen image.
  • the area under the screen is a rectangular area composed of (0, 0), (W, 0), (W, y1), (0, y1), which is called the lower part of the screen image.
  • the area on the left part of the screen is a rectangular area composed of (0, y1), (x1, y1), (x1, y2), (0, y2), called the left part of the screen image.
  • the area on the right part of the screen is a rectangular area composed of (W, y1), (x2, y1), (W, y2), (x2, y2), called the left part of the screen image.
  • the area of the portion of the screen is a rectangular area composed of (x1, y1), (x2, y1), (x1, y2), (x2, y2), which is called the central portion of the screen image.
  • the screen is divided according to the default value, for example, according to the commonly used 16:9 or 4:3 ratio, and then re-divided after T minutes.
  • Step 200 The source terminal 1 transmits the transmission request information to more than one target terminal 2.
  • the request information is transmitted to one or more target terminals 2.
  • the target terminal 2 sends back the confirmation information to the source terminal 1, the source terminal 1 and the target terminal 2 establish a connection.
  • the confirmation information returned by the target terminal 2 to the source terminal 1 includes at least the IP address of the target terminal 2, the size and scale of the display screen of the target terminal 2, the resolution, and the characteristic information of the status information (the screen is placed horizontally or vertically).
  • Step 300 The source terminal 1 parses the confirmation information of the target terminal 2, and acquires the characteristic parameters of the target terminal 2.
  • Step 400 The source terminal 1 determines, according to the characteristic parameter of the target terminal 2, an image that needs to be sent to the secondary part of the target terminal 2, and transmits the image.
  • the transmitted information further includes location information of each of the secondary portions of the image relative to the main portion.
  • the widescreen pad has a larger screen and a smaller width. According to its screen characteristics, the source terminal 1 configures the IP address of the widescreen pad for the left, right, and center portions of the screen image.
  • the large-screen TV can display all the images in an integrated manner because the screen is large, and the source terminal 1 configures the IP address of the large-screen TV for the center of the screen image and the upper, lower, left, and right portions.
  • the source terminal 1 sets the IP address of the mobile phone for the central portion of the screen image.
  • the source terminal 1 transmits the image data of each of the secondary portions.
  • a broadcast transmission method may be adopted, and other partial images may be transmitted in a group transmission manner according to the determined IP addresses of the respective target terminals.
  • Step 500 Each target terminal 2 receives a main part of the broadcasted image, and receives a corresponding IP packet according to the respective IP address, and obtains an image of the corresponding secondary part. According to the information of the minor parts of the image, the information about the main part is integrated. Displayed on the screen of the target terminal 2.
  • the target terminal 2 After receiving the segmented image portion, the target terminal 2 determines the specific position of the partial image according to the relative position information of each partial image, that is, determines the positional relationship of the received image, and then integrates and displays.
  • FIG. 2 shows an example of image segmentation. It is not difficult to understand that the image may be segmented according to the manner of FIG. 3 to FIG. 5 , wherein the image of FIG. 4 is divided more, and the combination is more flexible, and is applicable to various types. screen.

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Abstract

本发明提供了一种图像传输方法，包括：A.源终端将所要发送的图像分割为主要部分和至少一个次要部分；B.源终端根据不同目标终端屏幕的特性参数，将图像的主要部分和对应所述不同目标终端屏幕特性参数的不同次要部分发送给不同的目标终端；C.目标终端将所接收的图像的主要部分和相应的次要部分组合显示。还相应提供了图像的传输系统。通过本发明可将发送的图像分割为左、右、上、中、下五部分，根据不同的接收方的特性需要发送不同的部分，减小了数据传输量；发送方根据不同接收方的IP地址以及特性选择性发送，接收方通过IP地址匹配，只接收自身需要的部分进行组合，使得接收方降低了解码的数据。

Description

一种图像传输方法及系统
技术领域
本发明涉及图像传输技术领域，特别涉及一种图像传输方法及系统。
背景技术
随着三网融合技术的发展，多屏幕共享业务可以使当前终端设备所浏览的视频信息及时地发送给其他终端设备，以实现多个屏幕共享该视频信息。
多屏幕共享业务给人们的生活带来许多智能体验，例如，可以实时控制家中的各种电器，可在电视、手机等终端上，遥控冰箱、空调、洗衣机、电饭煲等家电设备，甚至开关电动门窗等。
目前，多屏共享主要是指由不同的终端的屏幕显示相同的信息。
然而各种终端的屏幕大小不同，能够处理和显示的信息量也不同，如果将屏幕图像的所用信息全部提供给不同的共享的屏幕，不但影响各个作为目标终端的接收方的多屏共享中信息的快速传输和接收，也影响了人们的智能体验。
例如，尤其当接收方为手机、PAD小屏幕目标终端时，而源终端，即发送方为电视等大屏幕设备时，若电视发送的图像相同，则手机可能根本无法进行解码，或者解码很慢。
发明内容
为解决上述问题，本发明提供了一种图像传输方法及系统，以解决在多屏共享过程中，接收方能够减少解码的数据。
本发明提供一种图像分割的方法，该方法包括： A. 源终端将所要发送的图像分割为主要部分和至少一个次要部分；B. 源终端根据不同目标终端屏幕的特性参数，将图像的主要部分和对应所述不同目标终端屏幕特性参数的不同次要部分发送给不同的目标终端；C. 目标终端将所接收的图像的主要部分和相应的次要部分组合显示。
作为发送方的源终端根据不同的作为接收方的目标终端的屏幕特性发送不同的部分，使得作为接收方的目标终端只接收自身需要的部分进行组合，使得接收方降低了解码的数据。
其中，步骤A所述分割的步骤包括：通过视频节目区域与其他区域的色度差对所述图像进行分割。
通过上述图像分割方式，进一步确保了图像的主要部分是用户最可能关注的部分。
可选的，所述图像的主要部分为一矩形部分，所述图像的次要部分为位于所述主要部分的上、下、左和/或右的矩形图像。
通过将次要部分的区域进行分割，以满足更多不同接收方屏幕特性需求，提高了数据传输速度以及接收数据的速度。
其中，步骤B前还包括：目标终端向源终端发送目标终端屏幕的特性参数。
由上，可以使得源终端实时更新所进行通讯的目标终端的信息。
其中，所述步骤B包括：根据不同目标终端屏幕的特性参数确定不同目标终端所要接收的图像的不同的次要部分；为各次要部分配置所述确定出的相应的目标终端的IP地址；广播发送所述图像的主要部分，及将所述图像的各个次要部分根据所配置的IP地址进行组发。
由上，通过为图像次要部分配置IP地址，不仅可实现源终端和目标终端一对一的发送接收，也能满足一对多的发送接收，而图像主要部分采用广播方式发送，则免去了配置的步骤。
其中，步骤B还包括：将图像的所述各个次要部分与主要部分的相对位置关系发送给所述目标终端；步骤C所述组合显示包括：根据所述相对位置关系将所接收的图像的主要部分和次要部分组合显示。
由上，根据所述位置关系可以进行正确的组合。
其中，所述特性参数包括：屏幕的大小和比例、分辨率信息。
由上，可以根据需要，选择所需的特性参数来将图像不同次要部分分配给不同的目标终端。
本发明还提供了一种图像传输系统，包括源终端和至少一个目标终端，其中，
所述源终端包括：
图像分割模块，用于将源终端所要发送的图像分割为主要部分和至少一个次要部分；
图像主要部分发送模块，用于将所述图像主要部分进行发送；
配置模块，用于根据接收的不同目标终端的屏幕特性参数，为图像的不同次要部分配置不同的目标终端；和
图像次要部分发送模块，用于根据所述配置将图像的不同的次要部分，发送给对应的不同的目标终端；
所述目标终端包括：
图像主要部分接收模块，用于接收所述图像主要部分；
图像次要部分接收模块，用于接收图像相应的次要部分；
图像组合模块，用于将接收的图像主要部分和次要部分进行组合显示；和
屏幕特性参数发送模块，用于将目标终端的屏幕特性参数发送给源终端。
由上，作为发送方的源终端根据不同的作为接收方的目标终端的屏幕特性发送不同的部分，使得作为接收方的目标终端只接收自身需要的部分进行组合，使得接收方降低了解码的数据。
附图说明
图1为本发明所提供的一种图像传输方法的流程示意图；
图2为本发明所述的一种图像分割的示意图；
图3-图5为本发明所述的图像分割的示意图；
图6为本发明图像传输系统的示意图。
具体实施方式
本发明实施例提供了一种图像传输方法，下面将结合附图，对本发明实施例进行详细描述。
如图6示出了本发明图像传输系统，包括源终端1和一个以上的目标终端2（为了便于图示的清楚，仅画出一个目标终端），源终端与目标终端无线连接。其中，
源终端1包括：
图像分割模块11，用于将源终端所要发送的图像分割为主要部分和至少一个次要部分，其中分割方法将在后文进行描述。
图像主要部分发送模块12，用于将所述图像主要部分进行发送，其中，可以采用广播的方式进行发送。
配置模块14，用于根据接收的各个目标终端的屏幕特性参数，配置接收图像不同次要部分的不同目标终端，即配置不同的接收方。其中，配置方法将在后文进行描述。和
图像次要部分发送模块13，用于根据配置模块14所配置的内容，将图像的不同的次要部分，发送给对应的不同的目标终端2，在各个图像次要部分发送时，还携带该次要部分对应主要部分的位置信息。
目标终端2包括：
图像主要部分接收模块22，用于接收源终端1的图像主要部分发送模块12广播的图像主要部分。
图像次要部分接收模块23，用于接收相应的图像次要部分。
图像组合模块21，用于将接收的图像主要部分、次要部分根据位置信息进行组合，以进行播放。和
屏幕特性参数发送模块24，用于将目标终端2的屏幕特性参数发送给源终端1的配置模块14。
如图1示出了本发明图像传输方法的流程，包括以下步骤：
步骤100：将源终端1屏幕图像分割为作为图像主要部分的中部，作为次要部分的左、右、 上、下四部分。
源终端1和目标终端2可为电视机、笔记本、手机以及iPAD等的显示屏, 屏幕的中心区域一般播放视频节目，而围绕中心区域的上、下、左、右区域可用作不同的显示区域，例如，通常在中心区域以下的区域中显示字幕，例如，在此区域中发布滚动消息。
由于视频节目与用作广告或字幕等其他区域在边缘处的颜色具有明显的色度差，采用canny算法检测出中心边缘，通过对比色度差，可以将视频节目（屏幕画面的主要部分）与其他区域（屏幕画面的次要部分）进行划分，可采用图像边缘检测算法，即当一行（或列）扫描线与另一行（或列）扫描线的色度差值较大时，确定该行（或列）为屏幕画面主要部分的边缘线，依此类推，可分别确定屏幕画面主要部分的四条边缘线，从而确定了视频节目的画面边缘，即确定了屏幕图像的中心部分（屏幕画面的主要部分）。
其中，Canny算法步骤如下：
a) 对原始图像进行小波分解，使用sobel差分算子求出灰度图像的x和y方向导数；
b) 降噪，求出图像各点梯度大小及其方向；
c) 设置高低两个阈值，梯度大于高阈值为强边像素点，大于低阈值为潜在可能是较弱的边缘点；
d) 在图像中跟踪边缘，在经过一次筛选剩下的强边缘点中沿着梯度方向进行非极大值抑制；
e) 提取特征边缘，顺着二次筛选后的强边点寻找邻近的弱边点得到最终的边缘。
另外，可通过延长边缘线的方法，将屏幕画面的次要部分分割为围绕中心部分的左、右、 上、下四部分。延长行边缘线，所分割的屏幕画面如图2所示。参见图2，假设中心部分是由x1,x2,y1,y2四个坐标值组成的矩形区域，则可以将屏幕图像分成五个部分，即上、下、左、右、中。建立坐标系，得出屏幕上部分的区域是由(0,L)、(W,L)、(W,y2)、(0,y2)组成的矩形区域，称为屏幕图像的上部分。
屏幕下部分的区域是由(0,0)、(W,0)、(W,y1)、(0,y1)组成的矩形区域，称为屏幕图像的下部分。
屏幕左部分的区域是由(0,y1)、(x1,y1)、(x1,y2)、(0,y2)组成的矩形区域，称为屏幕图像的左部分。
屏幕右部分的区域是由(W,y1)、(x2,y1)、(W,y2)、(x2,y2)组成的矩形区域，称为屏幕图像的左部分。
屏幕中部分的区域是由(x1,y1)、(x2,y1)、(x1,y2)、(x2,y2)组成的矩形区域，称为屏幕图像的中心部分。
也可延长列边缘线，对屏幕画面进行分割，参见图3。
还可同时延长行边缘线和列边缘线，对屏幕画面进行分割，参见图4。
另外，可延长其中的一条行边缘线和一条列边缘线，对屏幕画面进行分割，参见图5。
如果通过比较屏幕图像没有找到视频的播放区域，则按照默认的值进行屏幕的划分，例如根据常用的16：9或4：3比例进行划分，T分钟之后再进行重新划分。
步骤200：源终端1将发送请求信息发送给一个以上的目标终端2。
源终端1分割屏幕图像后，将请求信息发送给一个以上的目标终端2，目标终端2向源终端1回送确认信息后，源终端1和目标终端2建立连接。
目标终端2向源终端1返回的确认信息中至少包括目标终端2的IP地址，目标终端2显示屏的大小和比例、分辨率以及状态信息（屏幕是横着放置或竖着放置）等特性参数。
步骤300：源终端1解析目标终端2的确认信息，获取目标终端2的特性参数。
步骤400：源终端1根据目标终端2的特性参数，确定需要发送目标终端2的次要部分的图像，并发送。其中，所发送的信息中还包括图像的各次要部分相对主要部分的位置信息。
例如：宽屏pad由于屏幕的长度较大，宽度较小，根据其屏幕特性，源终端1为屏幕图像的左、右、中心三部分图像配置该宽屏pad的IP地址。
又如，大屏电视由于屏幕较大，能够整合显示所有部分的图像，源终端1为屏幕图像的中心和上、下、左、右五部分配置该大屏电视的IP地址。
再如，手机由于屏幕较小，源终端1为屏幕图像的中心部分设置该手机的IP地址。
根据配置好的IP地址，源终端1发送所述各个次要部分的图像数据。其中，对于中心图像，由于各个目标终端都需要接收，也可以采用广播发送的方式，而其他各个部分图像，则可以根据判断出的各个目标终端的IP地址，分别采用组发的方式发送。
步骤500：各目标终端2接收广播的图像的主要部分，并根据各自IP地址接收相应的IP包，获得相对应的次要部分的图像，根据图像各次要部分相对主要部分位置信息，整合后显示在目标终端2的屏幕上。
目标终端2接收到分割的图像部分后，根据各部分图像相对位置信息确定出个部分图像的具体位置，即确定所接收的图像的位置关系，然后整合进行显示。
图2示出了一种图像分割的例子，不难理解，也可以按照图3至图5的方式分割图像，其中，图4方式图像被分割的较多，组合起来比较灵活，适用于各种屏幕。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，例如，可以将不同功能的模块通过一个集成芯片来实现等，均在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (8)

  1. 一种图像传输方法，其特征在于，该方法包括：
    A. 源终端将所要发送的图像分割为主要部分和至少一个次要部分；
    B. 源终端根据不同目标终端屏幕的特性参数，将图像的主要部分和对应所述不同目标终端屏幕特性参数的不同次要部分发送给不同的目标终端；
    C. 目标终端将所接收的图像的主要部分和相应的次要部分组合显示。
  2. 根据权利要求1所述的方法，其特征在于，步骤A所述分割的步骤包括：通过视频节目区域与其他区域的色度差对所述图像进行分割。
  3. 根据权利要求1所述的方法，其特征在于，所述图像的主要部分为一矩形部分，所述图像的次要部分为位于所述主要部分的上、下、左和/或右的矩形图像。
  4. 据权利要求1所述的方法，其特征在于，步骤B前还包括：
    目标终端向源终端发送目标终端屏幕的特性参数。
  5. 据权利要求1所述的方法，其特征在于，所述步骤B包括：
    根据不同目标终端屏幕的特性参数确定不同目标终端所要接收的图像的不同的次要部分；
    为各次要部分配置所述确定出的相应的目标终端的IP地址；
    广播发送所述图像的主要部分，及将所述图像的各个次要部分根据所配置的IP地址进行组发。
  6. 据权利要求1所述的方法，其特征在于，步骤B还包括：将图像的所述各个次要部分与主要部分的相对位置关系发送给所述目标终端；
    步骤C所述组合显示包括：根据所述相对位置关系将所接收的图像的主要部分和次要部分组合显示。
  7. 根据权利要求1所述的方法，其特征在于，所述特性参数包括：屏幕的大小和比例、分辨率信息。
  8. 一种图像传输系统，包括源终端和至少一个目标终端，其特征在于，
    所述源终端包括：
    图像分割模块，用于将源终端所要发送的图像分割为主要部分和至少一个次要部分；
    图像主要部分发送模块，用于将所述图像主要部分进行发送；
    配置模块，用于根据接收的不同目标终端的屏幕特性参数，为图像的不同次要部分配置不同的目标终端；和
    图像次要部分发送模块，用于根据所述配置将图像的不同的次要部分，发送给对应的不同的目标终端；
    所述目标终端包括：
    图像主要部分接收模块，用于接收所述图像主要部分；
    图像次要部分接收模块，用于接收图像相应的次要部分；
    图像组合模块，用于将接收的图像主要部分和次要部分进行组合显示；和
    屏幕特性参数发送模块，用于将目标终端的屏幕特性参数发送给源终端。
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