有效的端到端卷积架构用于视角估计
Casian Miron1,2, George Ciubotariu3, Alexandru Păsărică2,4
1Faculty of Automatic Control and Computer Engineering, "Gh. Asachi" Technical University of Iaşi, 700050 Iaşi, Romania.
Journal of imaging
|September 27, 2024
概括
本研究介绍了一种简单的数据采集方法和一种新的卷积神经网络,用于无校准的视角点估计,改进电子会议平台和用户交互.
科学领域:
- 计算机视觉 计算机视觉
- 人与计算机的交互
背景情况:
- 视角估计对于增强用户体验和启用新的交互方法至关重要.
- 随着COVID-19的流行,先进的电子会议平台的需求加速了,突出了当前视线估计技术的局限性.
- 现有的研究往往涉及复杂的数据收集,为更广泛的采用创造了障碍.
研究的目的:
- 开发一种非限制性和高效的方法来获取多样化和高质量的视线数据.
- 引入一种新的卷积神经网络 (CNN),用于无校准的视角点估计.
- 为了建立一个新的最先进的基线,对目光估计的准确性.
主要方法:
- 一种新的数据采集方法,旨在提高易用性和数据产量.
- 开发一个专门的卷积神经网络 (CNN) 架构,以便在没有校准的情况下准确地估计视线.
- 对MPIIFaceGaze数据集和新收集的数据集的性能评估.
主要成果:
- 拟议的数据采集方法显著增加了数据产量,而不会牺牲质量或多样性.
- 新的CNN架构与MPIIFaceGaze数据集上的现有最先进的方法相比,实现了更高的性能.
- 在新收集的数据集上,CNN建立了强有力的绩效基线,证明了其可概括性.
结论:
- 提出的方法提供了一个实用和有效的解决方案,用于无校准的视角点估计.
- 这项工作解决了当前方法的局限性,为更容易访问和更先进的目光跟踪应用铺平了道路.
- 这些发现对改善虚拟协作工具和人机交互有重大影响.
相关概念视频
01:25Relative Motion Analysis using Rotating Axes
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
01:15Depth Perception and Spatial Vision
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.
01:25Design Example: Traverse Angle Computations
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
01:25Finding Volume Using Cross-Sectional Area
For solids whose cross-sectional areas vary in a predictable way, volume can be determined by integrating these areas along an axis perpendicular to the slices. This approach is particularly useful for polyhedral solids, where classical geometric formulas may not be immediately applicable. A tetrahedron provides a clear example of how cross-sectional integration can be applied to a three-dimensional object with continuously changing geometry.Consider a tetrahedron with height h and a base that...
01:28Cylinders in Three-Dimensional Space
A cylindrical surface is generated when a two-dimensional profile curve is translated along a straight line in three-dimensional space. The translated copies of the curve form a surface composed of parallel rulings, each oriented in the same fixed direction. This construction allows many three-dimensional forms to be described using relatively simple planar equations.In Cartesian coordinates, a cylindrical surface is often recognized by an equation that omits one of the three variables. For...