CN102306402A - Three-dimensional graph processing system of mobile visual media - Google Patents

Three-dimensional graph processing system of mobile visual media Download PDF

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CN102306402A
CN102306402A CN 201110275096 CN201110275096A CN102306402A CN 102306402 A CN102306402 A CN 102306402A CN 201110275096 CN201110275096 CN 201110275096 CN 201110275096 A CN201110275096 A CN 201110275096A CN 102306402 A CN102306402 A CN 102306402A
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module
image
dimensional
transmission
visual media
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CN 201110275096
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李�赫
王若梅
蒋昊
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中山大学
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Abstract

The invention discloses a three-dimensional graph processing system of a mobile visual media. The three-dimensional graph processing system comprises a three-dimensional graph display module, a novel raster architecture module, an image reverse subdividing module and a graph transmission module, wherein the three-dimensional graph display module acquires and calculates the geometric position and colour information of an object in a three-dimensional coordinate system, interpolating the calculated information, mapping a texture image onto a model, and outputting an image; the novel raster architecture module adopts a novel multisampling method and a high-speed texture caching method to carry out block colouring, texture filtering and intercepting on a mobile image, thus the access frequency to an external memorizer is reduced; the image subdividing module adopts a subdividing wavelet transform technology, maintains rules and properties of a subdivision surface based on a Lifting technology structure and carries out surface modelling subdivision on a three-dimensional image; and the graph transmission module optimizes and supports multiple standard communication protocols by building a communication protocol stack. The three-dimensional graph processing system disclosed by the invention can simplify and rapidly display a geometric graph on the mobile visual media, and is low in power consumption and stable in transmission.

Description

一种移动可视媒体的三维图形处理系统 A mobile three-dimensional graphics processing system visual media

技术领域 FIELD

[0001] 本发明涉及移动可视媒体领域,尤其涉及一种移动可视媒体的三维图形处理系统。 [0001] The present invention relates to a mobile visual media, and more particularly relates to three-dimensional graphics processing systems a mobile visual media.

背景技术 Background technique

[0002] 现代人类的生活环境如此纷繁复杂,其中存在着各式各样、海量的可视媒体,不同的可视媒体承载着不同的可视信息。 [0002] Modern human life is so complex environment, in which there is a wide variety, vast amounts of visual media, different visual media carrying different visual information. 而移动可视媒体主要是指利用数字广播电视地面传输技术播出、以满足流动人群的视听需求为主的新型媒体。 The mobile visual media mainly refers to the use of digital radio and television terrestrial broadcast transmission technology to meet the needs of mobile populations consisting mainly of new audio-visual media. 由于移动可视媒体的独特性,对图像快速显示、数据传输具有较大要求,三维图形将大大增强数字图像的真实感表现,对比于二维图形,三维图形拥有更加丰富的三维世界的信息,现有的移动可视媒体,内容匮乏,显示效果较差,显示信号不稳定,数据传输能力一般,因此,在可视媒体领域里,亟待一种移动可视媒体的三维图形处理系统,来实现图形的简化、提高显示效果,降低功耗,提高移动网络的图形图像传输质量。 Because of the unique mobile visual media, for fast image display, data transmission requirements with a larger, three-dimensional graphics will greatly enhance the realism of the performance of digital images, in contrast to the two-dimensional graphics, three-dimensional graphics have a more three-dimensional information-rich world, existing mobile visual media, lack of content, less effective display, a display signal is unstable, the data transmission capacity in general, therefore, in the field of visual media, a three-dimensional graphics processing system urgently visual media movement, to achieve simplify the drawings, the effect of improving the display, reduce power consumption, improve the transmission quality of the graphic image of the mobile network.

发明内容 SUMMARY

[0003] 本发明的目的是提供一种移动可视媒体的三维图形处理系统,在移动三维图形处理方面,解决三维图形的简化和传输问题,实现图形在移动可视媒体终端上快速显示,提高显示效果和降低运行功耗,提高传输能力。 [0003] The object of the present invention is to provide a mobile three-dimensional graphics processing system visual media, moving three-dimensional graphics processing, to solve the three-dimensional graphics and simplified transmission problems, achieve rapid graphic displayed on the mobile terminal visual media, to improve display and reduce operating power consumption and improve the transmission capacity.

[0004] 为实现上述目的,本发明提供了一种移动可视媒体的三维图形处理系统,包括三维图形显示模块、新型光栅架构模块、图像逆细分模块及图形传输模块,所述三维图形显示模块包括几何处理模块及渲染处理模块,所述几何处理模块获得并计算物体在三维坐标系下的几何位置和颜色信息,所述渲染处理模块对计算出来的信息进行插值,将纹理图像映射到模型上,在可视媒体上输出图像;所述新型光栅架构模块采用新型多重采样方法、高速纹理缓存方法、对移动图像进行分块着色、纹理过滤和截取,实现在每个时钟周期中,降低对外部存储器存取次数;所述图像细分模块采用细分小波变换技术,基于Lifting技术构造保持细分曲面规则和性质,对三维图像进行曲面造型细分;所述图形传输模块通过组建通信协议栈,优化支持HTTP、TCP/IP、SLIP、PPP, FTP、T [0004] To achieve the above object, the present invention provides a moving three-dimensional graphics processing system visual media, comprising a three-dimensional graphics display module, a new type of grating framework module, and the graphic image reverse transmission module tessellation module, the three-dimensional graphics display geometry processing module comprises a processing module and a rendering module, the processing module obtaining geometrical object geometry and calculate the position and the color information in the three-dimensional coordinate system, the rendering processing module information calculated by interpolating the texture image is mapped to the model , the output image on the visible medium; the new framework module grating using new multi-sample method, a high-speed texture cache method, a moving image is divided into blocks for coloring, texture filtering and taken to achieve in each clock cycle, reduced the number of external memory accesses; subdivision of the image segmentation module wavelet transform, holding subdivision surfaces based on the nature of the rules and structure Lifting technique, three-dimensional image of the surface modeling subdivision; transmission module through the formation of the graphic communications protocol stack optimized to support HTTP, TCP / IP, SLIP, PPP, FTP, T elnet和SNMP等标准通讯协议。 elnet and other standard SNMP protocol.

[0005] 较佳地,所述的移动可视媒体的三维图形处理系统,还包括异种网络网格传输模块,所述异种网络网格传输模块采用嵌入式网格编码方法,将网格转换成嵌入式位流,实现有线到无限网络环境下的三维几何图形传输。 [0005] Preferably, the movement of the visual media processing three-dimensional graphics system, further comprising a heterogeneous grid network transmission module, the transmission module heterogeneous mesh network mesh embedded coding method, converted into a mesh embedded bit stream, the transmission of three-dimensional geometry wired to wireless network environment.

[0006] 上述技术方案可以看出,本发明提供的移动可视媒体的三维图形处理系统,利用三维图形显示模块对图形或图像进行简化,其新型光栅化架构模块,通过采用新型多重采样方法、高速纹理缓存方法、分块着色技术纹理过滤和截取技术,结合硬件的处理能力,在每个时钟周期中,降低对外部存储器存取次数,从而降低功耗。 [0006] As can be seen above technical solutions, moving three-dimensional graphics processing system of the present invention provides visual media, the use of three-dimensional graphics display module for graphics or images simplified, its new rasterization module architecture, by employing the novel multi-sample method, the method of high-speed texture cache, blocking and staining techniques taken texture filtering techniques, a combination of hardware processing power, at each clock cycle, reducing the number of external memory accesses, thereby reducing power consumption. 图像逆细分模块除了生成效率高外,对于减小误差,提高图形显示质量,便于移动网络的传输与移动可视媒体的显示等方面有着重要的贡献,本发明对移动可视媒体上的几何图形进行简化,快速显示等优化,降低系统运行功耗,提高图形传输能力,增强显示效果。 Inverse image generation tessellation module in addition to high efficiency, to reduce errors and improve the quality of the graphic display, to facilitate movement of transmission and visual aspects of the media display of the mobile network has an important contribution of the present invention, mobile video medium on the geometry graphics simplified, rapid optimization display, reduce system operating power consumption, improve graphics transmission capacity, enhance the display. 附图说明 BRIEF DESCRIPTION

[0007] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图。 [0007] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, briefly introduced hereinafter, embodiments are described below in the accompanying drawings or described in the prior art needed to be used in describing the embodiments the drawings are only some embodiments of the present invention, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

[0008] 图1是本发明实施例的移动可视媒体的三维图形处理系统的结构示意图; 具体实施方式 [0008] FIG. 1 is a schematic view of a three-dimensional graphics processing system according to the movement of the visual media embodiment of the present invention; DETAILED DESCRIPTION

[0009] 下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明一部分实施例,而不是全部的实施例。 [0009] below in conjunction with the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described embodiments are merely part of embodiments of the present invention, but not all embodiments example. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

[0010] 本发明的目的是提供一种移动可视媒体的三维图形处理系统,在移动三维图形处理方面,解决三维图形的简化和传输问题,实现图形在移动可视媒体终端上快速显示,提高显示效果和降低运行功耗,提高传输能力。 [0010] The object of the present invention is to provide a mobile three-dimensional graphics processing system visual media, moving three-dimensional graphics processing, to solve the three-dimensional graphics and simplified transmission problems, achieve rapid graphic displayed on the mobile terminal visual media, to improve display and reduce operating power consumption and improve the transmission capacity. 下面结合说明书附图来说明本发明的具体实施方式。 It will be described below with reference to the accompanying drawings embodiments of the present invention.

[0011] 如图1所示,本发明提供了一种移动可视媒体的三维图形处理系统,包括三维图形显示模块、新型光栅架构模块、图像逆细分模块及图形传输模块,所述三维图形显示模块包括几何处理模块及渲染处理模块,所述几何处理模块获得并计算物体在三维坐标系下的几何位置和颜色信息,所述渲染处理模块对计算出来的信息进行插值,将纹理图像映射到模型上,在可视媒体上输出图像;在几何处理和渲染阶段中,均结合移动图形计算中的实际背景,根据图形、图像的表示方法,研究相应的图形真实感计算的快速算法,节省计算时间, 节约能耗。 [0011] As shown in FIG. 1, the present invention provides a three-dimensional graphics processing system of a mobile visual media, comprising a three-dimensional graphics display module, a new type of grating framework module, and the graphic image reverse transmission module tessellation module, said three dimensional pattern the display module comprises a processing module geometry and rendering module, the processing module obtaining geometrical object geometry and calculate the position and the color information in the three-dimensional coordinate system, the rendering processing module information calculated by interpolating the texture image is mapped to on the model, the output image on the visible medium; geometric processing and rendering stage, both the actual graphics context of mobile computing, according to the representation of graphics, images, graphics fast algorithm corresponding research realistic calculations, to save computation time, saving energy. 与在PC机上的相应方法不同的是,移动数据终端上的显示界面大小和所用电源都受限,因此需要提供比PC更高的分辨率,来满足人们对于更高质量的移动图形显示方法的需求。 And a corresponding method on the PC except that the size of the display screen on the mobile data terminal and the power supply are limited, it is necessary to provide a higher resolution than the PC, to meet people for the movement pattern of a higher quality display method demand. 所述新型光栅架构模块采用新型多重采样方法、高速纹理缓存方法、对移动图像进行分块着色、纹理过滤和截取,实现在每个时钟周期中,降低对外部存储器存取次数;所述图像细分模块采用细分小波变换技术,基于Lifting技术构造保持细分曲面规则和性质, 对三维图像进行曲面造型细分;所述图形传输模块通过组建通信协议栈,优化支持HTTP、 TCP/IP、SLIP、PPP, FTP、Telnet和SNMP等标准通讯协议。 The novel framework module grating using new multi-sample method, a high-speed texture cache method, a moving image is divided into blocks for coloring, texture filtering and taken to achieve in each clock cycle, reducing the number of external memory accesses; the fine image subdivision points wavelet transform module, maintaining subdivision surfaces based on the nature of the rules and structure Lifting technique, three-dimensional image of the surface modeling subdivision; transmission module through the formation of the graphic communication stack is optimized to support HTTP, TCP / IP, SLIP , PPP, FTP, Telnet and SNMP standard communication protocols. 本发明的移动可视媒体的三维图形处理系统所处的计算机网络环境中,以中央服务器、固定仿真计算终端群为中心,移动可视媒体终端将随时动态地加入到该仿真网络中,以适应庞大的服务平台,动态变化的计算网络,复杂仿真协同工作的要求。 The computer network environment in which the three-dimensional graphics processing system moving visual media of the present invention, the central server, the fixed base for the simulation the center terminal, the mobile terminal will be ready visual media is dynamically added to the simulated network to accommodate the massive computing network services platform, dynamic, complex simulation requirements of collaborative work. 针对GSM/GPRS、3G移动通讯协议标准,结合移动终端特性,扩展移动数据终端上的无线通讯协议,在支持GSM协议分组交换方式的编解码和多线程技术研究方面上,实现GSM/GPRS无线通讯底层软件,完成无线通话和数据传输底层数据交换与传输,优化数据信道使用效率。 For GSM / GPRS, 3G mobile communication protocol standards, in conjunction with the mobile terminal characteristic, extend wireless communication protocol on the mobile data terminal, on a support GSM protocol packet-switched codec and multithreading research technology, GSM / GPRS wireless communications underlying software, the completion of wireless calls and data exchange with the underlying data transmission, to optimize data channel usage efficiency. 配合底层的无线通讯协议,研究简化和优化相关的底层通信协议,通过组建通信协议栈,优化支持HTTP、TCP/IP、SLIP、PPP, FTP、Telnet和SNMP 等标准通讯协议。 With underlying wireless communication protocols, simplify and optimize research related to the underlying communication protocol, through the formation of the communication protocol stack is optimized to support HTTP, TCP / IP, SLIP, PPP, FTP, Telnet and SNMP standard communication protocols. [0012] 较佳地,所述的移动可视媒体的三维图形处理系统,还包括异种网络网格传输模块,所述异种网络网格传输模块采用嵌入式网格编码方法,将网格转换成嵌入式位流,实现有线到无限网络环境下的三维几何图形传输。 [0012] Preferably, the movement of the visual media processing three-dimensional graphics system, further comprising a heterogeneous grid network transmission module, the transmission module heterogeneous mesh network mesh embedded coding method, converted into a mesh embedded bit stream, the transmission of three-dimensional geometry wired to wireless network environment. 在多媒体网络传输过程中,因为有线链路的拥塞或无线链路的信道衰退会造成信道丢失,许多研究工作多集中于在现有图像/视频标准(如MPEG-4,H. 263+,H. 263++)增加差错还原机制与信道编码,以解决丢包或信道衰退。 In the multimedia network transmission process, channel congestion due wired link or a wireless link can cause recession loss channel, much research in the prior more concentrated in the image / video standard (e.g., MPEG-4, H. 263 +, H 263 ++) increases the error reduction mechanism and channel coding, to resolve channel fading or packet loss. 但基于有线到无线网络环境下的三维几何图形传输的研究工作并不多,本发明技术防范基于此提出一种嵌入式网格编码方法,将网格转换成嵌入式位流(embedded bitstream),这为异种网络网格传输提供了端到端解决方案。 However, studies on the transmission of the 3D geometry of the wired to wireless network environment is not much technical protection of the present invention based on this coding method is proposed an embedded mesh, the mesh will be converted into a bit stream of embedded (embedded bitstream), this provides end to end solutions for heterogeneous network transmission grid.

[0013] 细分方法是计算机图形学曲线曲面造型中非常有效的方法,一个粗的曲线曲面模型可以通过细分迭代得到精细的模型。 [0013] subdivision curve and surface modeling in computer graphics is a very effective way, a crude model can be a fine surface profile model by subdividing iteration. 本发明技术方案所提出的细分逆算法是一个快速的几何图形简化算法,该方法将任意给定的复杂模型,运用快速分解生成一系列分辨率递减的累进模型,在分解过程中保留重构原光滑模型的细节信息。 Inverse subdivision algorithm proposed aspect of the present invention is a simplified geometry fast algorithm, the method any given complex model, quickly decomposed using a progressive series of decreasing resolution model, the decomposition process in the reconstructed retained original details and smooth model. 这样,只要将最粗模型及一系列数值较小的细节信息记录下来,即形成模型的累进表示。 Progressive Thus, as long as the thickest model and a series of smaller details recorded values, i.e., formation model representation. 该方法除了生成效率高外,对于减小误差,提高图形显示质量,便于移动网络的传输与移动终端的显示等方面有着重要的贝献。 The generating method In addition to high efficiency, to reduce errors and improve the quality of the graphic display, to facilitate transmission and display aspects of the mobile terminal of the mobile network has an important contribution shellfish.

[0014] 较佳地,本发明的技术方案还包括构建网络条件下的多媒体数据局部请求访问技术,或者称为“隧道”技术,这种技术可以将图像、图形数据分解成若干子部分,根据传输的要求,进行数据的局部获取和恢复。 [0014] Preferably, the aspect of the present invention further comprises constructing the multimedia data requests access to network conditions local technology, otherwise known as "tunneling" technology, which can be images, graphics data into a plurality of sub-portions, according to transmission requirements, data acquisition and partial recovery.

[0015] 上述技术方案可以看出,本发明提供的移动可视媒体的三维图形处理系统,利用三维图形显示模块对图形或图像进行简化,其新型光栅化架构模块,通过采用新型多重采样方法、高速纹理缓存方法、分块着色技术纹理过滤和截取技术,结合硬件的处理能力,在每个时钟周期中,降低对外部存储器存取次数,从而降低功耗。 [0015] As can be seen above technical solutions, moving three-dimensional graphics processing system of the present invention provides visual media, the use of three-dimensional graphics display module for graphics or images simplified, its new rasterization module architecture, by employing the novel multi-sample method, the method of high-speed texture cache, blocking and staining techniques taken texture filtering techniques, a combination of hardware processing power, at each clock cycle, reducing the number of external memory accesses, thereby reducing power consumption. 图像逆细分模块除了生成效率高外,对于减小误差,提高图形显示质量,便于移动网络的传输与移动可视媒体的显示等方面有着重要的贡献,本发明对移动可视媒体上的几何图形进行简化,快速显示等优化,降低系统运行功耗,提高图形传输能力,增强显示效果。 Inverse image generation tessellation module in addition to high efficiency, to reduce errors and improve the quality of the graphic display, to facilitate movement of transmission and visual aspects of the media display of the mobile network has an important contribution of the present invention, mobile video medium on the geometry graphics simplified, rapid optimization display, reduce system operating power consumption, improve graphics transmission capacity, enhance the display.

[0016] 以上对本发明实施例所提供的一种移动可视媒体的三维图形处理系统,进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。 A mobile three-dimensional graphics processing system visual media embodiment is provided [0016] The above embodiments of the present invention, described in detail herein through specific examples of the principles and embodiments of the invention are set forth in the above embodiments description is used to help understanding the method and core ideas of the present invention; Meanwhile, those of ordinary skill in the art, according to the ideas of the present invention, there are changes in the specific embodiment and application place, summary , the specification shall not be construed as limiting the present invention.

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Claims (2)

  1. 1. 一种移动可视媒体的三维图形处理系统,其特征在于,包括三维图形显示模块、新型光栅架构模块、图像逆细分模块及图形传输模块,所述三维图形显示模块包括几何处理模块及渲染处理模块,所述几何处理模块获得并计算物体在三维坐标系下的几何位置和颜色信息,所述渲染处理模块对计算出来的信息进行插值,将纹理图像映射到模型上,在可视媒体上输出图像;所述新型光栅架构模块采用新型多重采样方法、高速纹理缓存方法、对移动图像进行分块着色、纹理过滤和截取,实现在每个时钟周期中,降低对外部存储器存取次数;所述图像细分模块采用细分小波变换技术,基于Lifting技术构造保持细分曲面规则和性质,对三维图像进行曲面造型细分;所述图形传输模块通过组建通信协议栈,优化支持HTTP、TCP/IP、SLIP、PPP, FTP、Telnet 和SNMP 等标准通 A mobile three-dimensional graphics processing system visual media, wherein the display module comprises a three-dimensional graphics, the new architecture grating module, an image segmentation module and a reverse transmission graphics module, the three-dimensional graphics display module comprises a processing module and geometry rendering processing module, the processing module obtaining geometrical object geometry and calculate the position and the color information in the three-dimensional coordinate system, the rendering processing module information calculated by interpolating the texture image is mapped to the model, the visual media on the output image; the new framework module grating using new multi-sample method, a high-speed texture cache method, a moving image is divided into blocks for coloring, texture filtering and taken to achieve in each clock cycle, reducing the number of external memory accesses; the image segmentation module segments using wavelet transform, and holding properties of subdivision surfaces based on rules configured Lifting technique, three-dimensional image of the surface modeling subdivision; transmission module through the formation of the graphic communication stack is optimized to support HTTP, TCP / IP, SLIP, PPP, FTP, Telnet and SNMP standards through 协议。 Agreement.
  2. 2.如权利要求1所述的移动可视媒体的三维图形处理系统,其特征在于,还包括异种网络网格传输模块,所述异种网络网格传输模块采用嵌入式网格编码方法,将网格转换成嵌入式位流,实现有线到无限网络环境下的三维几何图形传输。 The mobile visual media of the three-dimensional graphics processing system as claimed in claim 1, characterized in that the grid further comprising a transmission module heterogeneous networks, the heterogeneous network transmission module embedded mesh grid coding method, the mesh cell is converted into an embedded bit stream, the transmission of three-dimensional geometry wired to wireless network environment.
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