数据融合用于边缘跨域实时对象检测
Mykyta Kovalenko1, David Przewozny1, Peter Eisert1
1Fraunhofer Heinrich Hertz Institute, 10587 Berlin, Germany.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
使用单个神经网络来执行机器人控制任务,如对象检测和手势分类,几乎可以将计算资源需求减少一半. 这种方法也提高了准确性,特别是当使用更广泛的数据集进行训练时.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 计算机视觉 计算机视觉
- 人工智能的人工智能
背景情况:
- 边缘计算可以通过本地处理数据来实现实时机器人控制.
- 在单个节点上运行多个神经网络会给资源分配带来挑战.
研究的目的:
- 评估用于机器人控制的统一神经网络模型的可行性.
- 将资源效率和准确性与单独的专业模型进行比较.
主要方法:
- 实现了一个单一的YOLOv5卷积神经网络,用于对象检测和手势分类.
- 对比性能指标 (资源使用,准确性) 与使用两个独立模型.
主要成果:
- 通过单一模型方法,资源利用率减少了大约50%.
- 当使用在更多数据上训练的合并模型时,许多类的准确性得到了改善.
- 将较小的数据集与较大的数据集的实例相加,提高了检测准确度.
结论:
- 一个单一的多任务神经网络是边缘计算机器人控制的高效解决方案.
- 将任务整合到一个模型中可以减少计算负载,而不会牺牲准确性,并且往往会提高准确性.
- 数据集增强策略对于优化有限数据的性能至关重要.
相关概念视频
Association Areas of the Cortex
5.5K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
5.5K
Elastic Collisions: Case Study
14.2K
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
14.2K
Collisions in Multiple Dimensions: Problem Solving
4.3K
In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
4.3K
Difference from Background: Limit of Detection
6.5K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
The LOD indicates the presence or absence...
6.5K
Collisions in Multiple Dimensions: Introduction
5.5K
It is far more common for collisions to occur in two dimensions; that is, the initial velocity vectors are neither parallel nor antiparallel to each other. Let's see what complications arise from this. The first idea is that momentum is a vector. Like all vectors, it can be expressed as a sum of perpendicular components (usually, though not always, an x-component and a y-component, and a z-component if necessary). Thus, when the statement of conservation of momentum is written for a...
5.5K
Force Classification
1.3K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
1.3K


