GLPanoDepth:全球至本地全景深度估计
概括
这项研究引入了Cubemap视觉转换器 (CViT),用于准确的单眼全景深度估计. GLPanoDepth利用全球和本地特征从全向图像进行最先进的场景深度预测.
科学领域:
- 计算机视觉 计算机视觉
- 机器学习 机器学习
- 三维重建的3D重建
背景情况:
- 深度估计对于视觉应用至关重要.
- 无向摄像头可以进行球形空间深度估计.
- 现有的方法与全球背景和全景图像的扭曲作斗争.
研究的目的:
- 提出一种基于学习的新方法,用于从单眼全向图像中进行密集深度估计.
- 解决完全卷积网络在捕捉全球背景和处理等直角投影扭曲方面的局限性.
- 为了实现全景深度估计的最先进性能.
主要方法:
- 拟议的Cubemap视觉变压器 (CViT) 用于无扭曲的全球特征提取和远程依赖模型.
- 开发了一个GLPanoDepth管道,将CViT与基于卷积的分支集成在一起,以保护本地特征.
- 通过使用全球到本地战略,在多个规模中融合全球和本地特征.
主要成果:
- CViT架构在每个阶段都提供了一个全球接收场,使得可连贯的球形信号预测.
- GLPanoDepth方法有效地结合了全球和本地特征,以提高深度估计.
- 在单眼全景深度估计任务中实现了最先进的性能.
结论:
- 拟议的CViT架构对于在全景图像中建模全球背景是有效的.
- GLPanoDepth方法为单眼全景深度估计提供了一个强大的方法.
- 这项工作通过提供无扭曲,全球一致的深度预测方法来推进该领域.
更多相关视频
11:34High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
Published on: December 3, 2013
15.7K
05:12Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
Published on: August 12, 2021
2.0K
相关概念视频
Depth Perception and Spatial Vision
643
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
643
Methods of Obtaining Topography
63
Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
63
Distance Measurements by Taping
35
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
35
Types of Global Positioning System Surveys
55
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
55
Topographic Surveying and Contours
91
Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
91
