Scalable and queryable compressed storage structure for raster data
Compact data structures are storage structures that combine a compressed representation
of the data and the access mechanisms for retrieving individual data without the need of …
of the data and the access mechanisms for retrieving individual data without the need of …
High-performance quadtree constructions on large-scale geospatial rasters using GPGPU parallel primitives
J Zhang, S You - International Journal of Geographical Information …, 2013 - Taylor & Francis
The increasingly available graphics processing units (GPU) hardware and the emerging
general purpose computing on GPU (GPGPU) technologies provide an attractive solution to …
general purpose computing on GPU (GPGPU) technologies provide an attractive solution to …
A hybrid gray image representation using spatial-and DCT-based approach with application to moment computation
KL Chung, YW Liu, WM Yan - Journal of Visual Communication and Image …, 2006 - Elsevier
In this paper, a novel hybrid gray image representation using spatial-and DCT-based
approach is presented. In the first phase, according to the bintree decomposition principle …
approach is presented. In the first phase, according to the bintree decomposition principle …
Indexing large-scale raster geospatial data using massively parallel GPGPU computing
J Zhang, S You, L Gruenwald - Proceedings of the 18th SIGSPATIAL …, 2010 - dl.acm.org
Advances in geospatial technologies have generated large amounts of raster geospatial
data. Massively parallel General Purpose Graphics Processing Unit (GPGPU) computing …
data. Massively parallel General Purpose Graphics Processing Unit (GPGPU) computing …
面向影像金字塔的四叉树空间索引算法
李建勋， 沈冰， 姜仁贵， 陈田庆 - 计算机工程, 2011 - cqvip.com
基于线性四叉树提出一种面向影像金字塔的空间索引算法. 在分析线性四叉树拓扑关系的基础上
, 设计一个具有方向一致, 层次递进特性的编码方式, 建立影像金字塔与线性四叉树的映射方案 …
, 设计一个具有方向一致, 层次递进特性的编码方式, 建立影像金字塔与线性四叉树的映射方案 …
基于局部和全局特征融合的图像检索
汪华章， 何小海， 宰文姣 - 光学精密工程, 2008 - cqvip.com
为了有效地组织, 管理, 浏览, 检索图像数据库, 提出了一种综合全局统计特征和局部二值位图
特征的图像检索算法. 分别计算图像R, G, B 三通道的均值和方差, 获取了图像的全局统计特征 …
特征的图像检索算法. 分别计算图像R, G, B 三通道的均值和方差, 获取了图像的全局统计特征 …
Compact and indexed representation for LiDAR point clouds
LiDAR devices are capable of acquiring clouds of 3D points reflecting any object around
them, and adding additional attributes to each point such as color, position, time, etc. LiDAR …
them, and adding additional attributes to each point such as color, position, time, etc. LiDAR …
Supporting web-based visual exploration of large-scale raster geospatial data using binned min-max quadtree
J Zhang, S You - Scientific and Statistical Database Management: 22nd …, 2010 - Springer
Traditionally environmental scientists are limited to simple display and animation of large-
scale raster geospatial data derived from remote sensing instrumentation and model …
scale raster geospatial data derived from remote sensing instrumentation and model …
面向影像金字塔的线性四叉树编码及其特性
李建勋， 沈冰， 郭建华， 张刚 - 计算机应用, 2011 - cqvip.com
基于线性四叉树引入一种面向影像金字塔的像元编码方法, 结合编码规则和BBOX 递推公式,
分析了其具有的对应特性, 位置特性, 存在特性, 邻域特性, 并构建一个全球多分辨率虚拟地形 …
分析了其具有的对应特性, 位置特性, 存在特性, 邻域特性, 并构建一个全球多分辨率虚拟地形 …
一种基于GPU Tessellation 的地形无缝绘制算法
董路明， 张斌， 赵学胜 - 武汉大学学报(信息科学版), 2017 - ch.whu.edu.cn
针对传统多分辨率地形绘制算法构网速度慢, T 型裂缝不易处理等问题, 提出了一种GPU
(graphic processing unit) 构网的地形无缝绘制算法. 首先, 引入实时网格细分(tessellation) …
(graphic processing unit) 构网的地形无缝绘制算法. 首先, 引入实时网格细分(tessellation) …