搜索结果: 121-135 共查到“知识库 计算机应用”相关记录10743条 . 查询时间(2.128 秒)
多输入多输出（MIMO）技术可以在不额外增加频谱资源和发射功率的条件下成倍提高通信系统的信道容量，但子信道间存在的空间相关性会影响光MIMO无线通信系统（OWC）的性能。本文研究了对数衰落信道中空间相关性对光MIMO系统误码率的影响。针对脉冲位置调制（PPM）方式，采用指数相关模型推导出了光MIMO通信系统在不同相关机制下的对数振幅衰落系数矩阵和最大似然检测准则。然后，采用Wilkinson近似方...
单片机仿真实验系统（图）
四川大学 机械工程学 仿真实验系统
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2024/3/6
仪器型号：DVCC52JH，用途：用于《单片机技术及应用》课程的实验教学。
Interactive Digital Photomontage
Interactive image editing image compositing userguided optimization
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2016/5/24
We describe an interactive, computer-assisted framework for combining
parts of a set of photographs into a single composite picture,
a process we call “digital photomontage.” Our framework makes
us...
Non-Invasive Interactive Visualization of Dynamic Architectural Environments
Visualization Exploded View Architecture
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2016/5/24
We present a system for interactively producing exploded views of
3D architectural environments such as multi-story buildings. These
exploded views allow viewers to simultaneously see the internal
...
Rendering from Compressed Textures
Compressed Textures Rendering
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2016/5/24
We present a simple method for rendering directly from compressed
textures in hardware and software rendering systems. Textures are
compressed using a vector quantization (VQ) method. The advantage
...
Model-Based Motion Estimation for Synthetic Animations
Synthetic Animations Model-Based Motion
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2016/5/24
One approach to performing motion estimation on synthetic
animations is to treat them as video sequences
and use standard image-based motion estimation methods.
Alternatively, we can take advantage...
3D Painting on Scanned Surfaces
3D painting painting systems direct manipulation user-interface
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2016/5/24
We present an intuitive interface for painting on unparameterized
three-dimensional polygon meshes using a 6D Polhemus space
tracker as an input device. Given a physical object we first acquire
its...
Visualizing Competitive Behaviors in Multi-User Virtual Environments
Multi-User Virtual Environments Visualizing Competitive
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2016/5/24
We present a system for enhancing observation of user interactions
in virtual environments. In particular, we focus on analyzing behavior
patterns in the popular team-based first-person perspective ...
Interactive Image-Based Exploded View Diagrams
Interactive diagrams Image-based rendering Exploded views
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2016/5/24
We present a system for creating interactive exploded
view diagrams using 2D images as input. This imagebased
approach enables us to directly support arbitrary
rendering styles, eliminates the need...
Conveying Shape and Features with Image-Based Relighting
Visualization Relighting Image Composition Scientfic Illustration Technical Illustration Photography Lighting Design
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2016/5/24
Hand-crafted illustrations are often more effective than photographs
for conveying the shape and important features of an object, but
they require expertise and time to produce. We describe an image...
A Sketching Interface for Articulated Figure Animation
Figure Animation Sketching Interface
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2016/5/24
We introduce a new interface for rapidly creating 3D articulated figure animation, from 2D sketches of the
character in the desired key frame poses. Since the exact 3D animation corresponding to a se...
Efficient Image-Based Methods for Rendering Soft Shadows
Shadows Raytracing Image-Based Rendering
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2016/5/24
We present two efficient image-based approaches for computation
and display of high-quality soft shadows from area light sources.
Our methods are related to shadow maps and provide the associated
b...
Artistic Multiprojection Rendering
Multiprojection Rendering 3D scenes
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2016/5/24
In composing hand-drawn images of 3D scenes, artists often alter the projection for each object
in the scene independently, thereby generating multiprojection images. We present a tool for
creating ...
A Design and Implementation for Effective Computer-Generated Route Maps
Design and Implementation Computer-Generated Route Maps
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2016/5/24
A route map depicting a path from one location to another
is a powerful tool for visualizing and communicating directions.
However, it can be difficult for a computer to automatically
render route ...
DIZI: A Digital Ink Zooming Interface for Document Annotation
Document Annotatio Zooming Interface
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2016/5/24
Pen computing devices provide a natural interface for annotating
documents with freeform digital ink. However, digital ink annotations are usually
larger and sloppier than real ink annotations on pa...