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Apache-2.0

虚拟人资产

由于部分文件较大,不适合直接上传,可前往百度网盘下载

百度网盘链接:https://pan.baidu.com/s/1Qc8naBEl6z8EBQX6guf2Ww 提取码:hwoq

介绍

本仓库开源了基于lightstage搭建的大球人脸形状及材质系统采集的高精度人物模型和材质资产。数据来源北京理工大学混合现实与新型显示实验室。

文件概述

此文件主要包括两部分,总大小约1.53G

  1. 可以驱动的FBX格式的人物模型,包括身体和面部骨骼,共计165根骨骼。
  2. Textrue文件中是与模型相匹配的材质贴图,共计66个

内容描述

FBX文件用在诸如在max、maya、softimage等软件间进行模型、材质、动作和摄影机信息的互导,这样就可以发挥max和maya等软件的优势。
  1. 可以驱动的人物模型 此人物模型以T-pose为基础姿势,具体为人物保持水平伸展双臂并双脚分开至与肩同宽的站立。 此人物模型已经蒙皮完成,具体来说就是把骨骼和模型结合起来,对于绑定蒙皮的mesh,称之为SkinMesh,在SkinMesh中每个mesh的顶点会受到若干个骨骼的影响,并配以一定的权重比例。同时,已经为此模型创建了HumanIK骨架,其标识了角色骨架中的主要关节:踝关节、膝关节、髋关节、脊椎底部关节、肩关节、肘关节、腕关节和头部关节,使得骨架可以根据动画做出相应的运动。 对于人物的面部,设定了blendshape和面部骨骼,在两者的作用下可以驱动此人物模型面部做出各种各样的极限表情。

  2. Textrue文件中与模型相匹配的材质贴图 “材质”用来指定物体的表面或数个面的特性,它决定这些平面在着色时的特性,如颜色,光亮程度,自发光度及不透明度等。给对应位置模型附加对应贴图可以实现较好的呈现效果,此模型已经制作完成此部分。 文件中以normol和comp命名的材质贴图为法线贴图:一种显示三维模型更多细节的重要方法,它计算了模型表面因为灯光而产生的细节;这是一种2维的效果,所以它不会改变模型的形状,但是它计算了轮廓线以内的极大的额外细节。以diffuse和color命名的材质贴图为颜色贴图:其描述的是物体表面的材质颜色。以cavity命名的材质贴图:本质上是一个黑白遮罩,其可以让你访问模型上的裂缝和高频细节。以mask 命名的材质贴图为遮罩:即遮挡、遮盖,遮挡部分图像内容,并显示特定区域的图像内容,相当于一个窗口;不同于蒙版,遮罩是作为一个单独的图层存在的,并且通常是上对下遮挡的关系。以texturingxyz命名的材质贴图为平铺贴图:节省材质球的数量,提升模型资产的精细程度。之所以使用如此多的贴图,是因为需要在人物做表情时为之附加动态贴图。

使用说明

共享说明

本数据集不可用于非科研目的的任何商业应用。下载使用后就默认使用者同意以下共享条件。 相关数据共享条件如下:

  1. 被共享方不得将数据以任何方式有偿或无偿方式向其他单位或个人提供;
  2. 被共享方不得将数据作为对外服务的数据库内容或其他服务产品的一部分;
  3. 被共享方不得将数据发布于互联网,不得将数据用于经营性活动;
  4. 被共享方不得将数据进行换算、转换或者变换后形成新资料,或者对数据进行实质性加工后形成新资料向外发放;
  5. 共享方不对被共享方因使用共享数据产生的各种损失负责。
使用说明
  • 环境要求:计算机打开FBX文件即可,无特殊使用环境要求

  • 软件工具:unreal,maya,max

  • 操作方法:用对应的软件打开即可。

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简介

本仓库开源了基于lightstage搭建的大球人脸形状及材质系统采集的高精度人脸模型和材质资产。数据来源北京理工大学混合现实与新型显示实验室。 展开 收起
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