搜索结果: 1-7 共查到“工学 Line Detection”相关记录7条 . 查询时间(0.11 秒)
Automatic break-line detection from laserscanner data using surface flatness
Spatial Information Sciences Automation Cultural Heritage Extraction
2015/8/25
Recently, a laser scanner has been receiving more attention as a useful tool for real-time 3D data acquisition, and various applications such as city modelling, DTM generation and 3D modelling of cult...
FAST POWER LINE DETECTION AND LOCALIZATION USING STEERABLE FILTER FOR ACTIVE UAV GUIDANCE
line detection steerable filter oriented filter Gaussian kernel, power line UAV guidance
2014/4/28
In this paper we present a fast power line detection and localisation algorithm as well as propose a high-level guidance architecture for active vision-based Unmanned Aerial Vehicle (UAV) guidance. Th...
STRUCTURE LINE DETECTION FROM LIDAR POINT CLOUDS USING TOPOLOGICAL ELEVATION ANALYSIS
Detection Automation Analysis Point cloud LIDAR Building Model
2014/4/28
Airborne LIDAR point clouds, which have considerable points on object surfaces, are essential to building modeling. In the last two decades, studies have developed different approaches to identify str...
Line detection with adaptive random samples
Line detection Hough Transform Tunnel Detection Random sampling Subsurface shape detection
2011/3/22
This paper examines the detection of parameterized shapes in multidimensional noisy grayscale images. A novel shape detection algorithm utilizing random sample theory is presented. Although the method...
基于图像旋转投影的导航路径检测算法（Navigation Line Detection Arithmetic Based on Image Rotation and Projection）
联合收获机 自动导航 图像处理
2009/9/11
提出一种农业车辆视觉导航路径识别算法——旋转投影算法。该算法通过角度枚举对图像ROI实施旋转变换，由旋转后图像的列均值与枚举角度构成旋转投影矩阵R，对其行向量实施差分运算得到差分旋转投影矩阵Rd，由Rd的极值可确定图像导航路径，即航向偏差θ与航位偏差d，进而可以求得世界坐标系下的导航路径参数。同理可以对田头线进行检测。为了提高算法的实时性，提出设定合理的ROI、实施线性压缩、旋转角度先粗分再细分的...
基于改进Hough变换的收获机器人行走目标直线检测（Walking Goal Line Detection Based on Improved Hough Transform on Harvesting Robot）
收获机器人 导航 随机Hough变换 直线检测 边缘检测
2010/2/26
提出了基于改进随机Hough变换(RHT)的收获机器人行走目标直线检测算法。将摄像机安装在联合收获机的顶部，在收获过程中采集农田场景图像。根据已收获区域、未收获区域和非农田区域的不同颜色特征，利用统计分析和边缘检测，确定行走目标直线的终点位置以及直线方向上的候选点。以候选点为点集，采用改进RHT完成直线检测。与传统的RHT相比，避免了无效采样和累积问题。经过对多幅图片的处理，证明算法能够有效检测出...
3D BUILDING MODEL GENERATION FROM AIRBORNE LASERSCANNER DATA BY STRAIGHT LINE DETECTION IN SPECIFIC ORTHOGONAL PROJECTIONS
LIDAR point cloud building model reconstruction
2015/6/1
The paper describes a novel approach for the generation of 3D building models from airborne laserscanner data, which is based on
the detection of straight lines in specific 2D projections of the dat...