探索图像的博尔兹曼 Entropy 和土地覆盖地图中的建筑分类准确性之间的关系
Zhipeng Li1, Tian Lan1, Zhilin Li1
1Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China.
Entropy (Basel, Switzerland)
|August 26, 2023
概括
图像质量对遥感中的建筑物分类准确性产生重大影响. 较高的博尔兹曼 (BE),表明质量较低,与较低的F1得分相关,特别是在建筑稀疏的地区.
科学领域:
- 遥感 遥感 遥感 遥感
- 地理空间分析是什么
- 图像处理 图像处理
背景情况:
- 建筑物是城市规划和人口估计的遥感中关键的人工特征.
- 准确的建筑分类对于可靠的地理空间应用至关重要.
- 图像质量对建筑物分类准确性的影响尚不清楚.
研究的目的:
- 调查图像质量和建筑物分类准确性之间的关系.
- 使用博尔兹曼 (BE) 作为图像质量的度量.
- 探索BE如何影响建筑物分类中的F1分数.
主要方法:
- 使用博尔兹曼 (BE) 来量化图像质量.
- 通过WHU和Inria数据集的遥感图像分析了建筑物分类性能 (F1评分).
- 使用斯皮尔曼相关系数 (SCC) 和启动用于统计验证.
主要成果:
- 建筑物分类准确性 (F1评分) 在图像中显示了小建筑比例 (<1%) 的高波动.
- 在博尔兹曼 (BE) 和F1得分之间观察到负关系.
- 较高的BE值 (表明图像质量较差) 与较低的F1分数相关.
结论:
- 图像质量,由BE量化,直接影响建筑物分类准确性.
- 了解BE-F1关系对于改善远程传感中的建筑物检测至关重要.
- 调查结果为优化远程传感数据用于城市特征分析提供了洞察力.
相关概念视频
Absorption of Radiation
762
The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
762
Survival Tree
109
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
109
Classification of Systems-II
175
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
175
Classification of Systems-I
213
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
213
Maxwell-Boltzmann Distribution: Problem Solving
1.6K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.6K
Scatter Plot
7.0K
The most common and easiest way to display the relationship between two variables, x and y, is a scatter plot. A scatter plot shows the direction of a relationship between the variables. A clear direction happens when there is either:
7.0K


