aperture weighting

简明释义

1. 偏移孔径加权; 2. 偏移时窗加权;

英英释义

Aperture weighting refers to the method of assigning different levels of importance or sensitivity to various parts of an aperture in optical systems, often used to optimize image quality or signal detection.

光圈加权是指在光学系统中对光圈的不同部分赋予不同的重要性或灵敏度的方法,通常用于优化图像质量或信号检测。

例句

1.The software uses aperture weighting to enhance image clarity in low light conditions.

该软件使用光圈加权来增强低光条件下的图像清晰度。

2.The photographer adjusted the camera settings to optimize the aperture weighting for better exposure.

摄影师调整了相机设置,以优化光圈加权以获得更好的曝光。

3.In astrophotography, aperture weighting is crucial for capturing faint stars.

在天文摄影中,光圈加权对于捕捉微弱星星至关重要。

4.When shooting video, proper aperture weighting can help achieve a cinematic look.

在拍摄视频时,适当的光圈加权可以帮助实现电影效果。

5.The lens design incorporates aperture weighting to improve depth of field.

镜头设计采用光圈加权以改善景深。

作文

In the field of optics and imaging, the concept of aperture weighting plays a crucial role in determining the quality and clarity of images captured by various devices. Essentially, aperture weighting refers to the method of assigning different levels of importance to various parts of an aperture when light enters through it. This technique can significantly affect how images are formed, processed, and perceived. To understand aperture weighting, one must first grasp the basics of how an aperture functions. An aperture is an opening that allows light to pass through a camera lens or any optical system. The size of this opening can be adjusted, which directly influences the amount of light that reaches the sensor or film. A larger aperture permits more light, which can enhance the brightness of an image, while a smaller aperture reduces the light intake, often resulting in a darker picture. However, the size of the aperture also affects the depth of field—the range within a photo that appears sharp and in focus. The application of aperture weighting becomes particularly relevant when considering how light interacts with different areas of the aperture. Not all parts of the aperture contribute equally to the final image. By applying aperture weighting, photographers and engineers can optimize how light is distributed across the sensor, enhancing certain features of the image while minimizing others. For example, in portrait photography, a photographer may prefer a shallow depth of field to isolate the subject from the background. By adjusting the aperture weighting, they can achieve a beautifully blurred background while keeping the subject in sharp focus. Moreover, aperture weighting is not only relevant in traditional photography but also in advanced imaging techniques such as computational photography and machine learning applications. In these contexts, algorithms can analyze the incoming light data and apply aperture weighting dynamically to enhance image quality. For instance, modern smartphones use sophisticated software to simulate the effects of various apertures, allowing users to take stunning photos with minimal effort. The software adjusts the aperture weighting based on the scene's lighting conditions and desired effects, demonstrating the versatility and importance of this concept in contemporary imaging. In conclusion, aperture weighting is a fundamental principle in optics that influences how images are captured and processed. It allows for greater control over the visual outcome, enabling photographers and technology developers to create images that are not only visually appealing but also rich in detail and depth. As imaging technology continues to evolve, the principles of aperture weighting will undoubtedly remain a critical aspect of achieving high-quality images, reflecting the ongoing interplay between art and science in the world of photography and imaging technologies.

在光学和成像领域,光圈加权的概念在决定各种设备捕捉图像的质量和清晰度方面发挥着至关重要的作用。基本上,光圈加权指的是在光线通过光圈进入时,对光圈的不同部分赋予不同重要性的方式。这种技术可以显著影响图像的形成、处理和感知。要理解光圈加权,首先必须掌握光圈的基本功能。光圈是一个允许光线通过相机镜头或任何光学系统的开口。这个开口的大小可以调整,这直接影响到达到传感器或胶卷的光线量。较大的光圈允许更多的光线进入,这可以增强图像的亮度,而较小的光圈则减少光的摄入,通常导致图像更暗。然而,光圈的大小也会影响景深——照片中看起来清晰和聚焦的范围。当考虑光线如何与光圈的不同区域相互作用时,光圈加权的应用变得尤为相关。光圈的所有部分对最终图像的贡献并不相等。通过应用光圈加权,摄影师和工程师可以优化光线在传感器上的分布,增强图像的某些特征,同时最小化其他特征。例如,在人像摄影中,摄影师可能更喜欢浅景深,以将主体与背景隔离。通过调整光圈加权,他们可以实现美丽的模糊背景,同时保持主体的清晰对焦。此外,光圈加权不仅在传统摄影中相关,而且在计算摄影和机器学习应用等先进成像技术中也具有重要意义。在这些情况下,算法可以分析进入的光数据,并动态应用光圈加权以增强图像质量。例如,现代智能手机使用复杂的软件来模拟各种光圈的效果,使用户能够轻松拍摄令人惊叹的照片。该软件根据场景的光照条件和所需效果调整光圈加权,展示了这一概念在当代成像中的多功能性和重要性。总之,光圈加权是光学中的一个基本原理,影响图像的捕捉和处理。它允许对视觉结果进行更大的控制,使摄影师和技术开发者能够创建不仅视觉上吸引人而且细节丰富、深度感强的图像。随着成像技术的不断发展,光圈加权的原则无疑将继续成为实现高质量图像的关键方面,反映出摄影和成像技术领域艺术与科学之间的持续互动。

相关单词

aperture

aperture详解:怎么读、什么意思、用法

weighting

weighting详解:怎么读、什么意思、用法