color pickup tube
简明释义
彩色显象管
英英释义
A color pickup tube is a component used in video cameras and imaging devices that captures color information from the scene being filmed or photographed. | 彩色拾取管是用于摄像机和成像设备的一个组件,用于捕捉被拍摄或摄影场景的颜色信息。 |
例句
1.For the project, we need a color pickup tube to accurately capture the hue of the fabric.
为了这个项目,我们需要一个颜色采集管来准确捕捉布料的色调。
2.The artist used a color pickup tube to mix different shades of paint.
艺术家使用颜色采集管来混合不同色调的油漆。
3.Using a color pickup tube ensures that your color choices are consistent throughout the project.
使用颜色采集管可以确保你的颜色选择在整个项目中保持一致。
4.The designer demonstrated how to use a color pickup tube during the workshop.
设计师在研讨会上演示了如何使用颜色采集管。
5.In digital art, a color pickup tube can help select colors from existing images.
在数字艺术中,颜色采集管可以帮助从现有图像中选择颜色。
作文
In the world of photography and imaging, the term color pickup tube refers to a crucial component that plays a significant role in capturing vibrant and accurate colors. This device is primarily used in cameras and scanners to convert light into electrical signals, which are then processed to produce high-quality images. Understanding the function and importance of the color pickup tube can enhance our appreciation for the technology behind the images we see every day.The color pickup tube, often found in older video cameras, operates on the principle of separating light into its primary colors: red, green, and blue. When light enters the camera, it passes through a lens that focuses it onto the color pickup tube. Inside this tube, the light is split into its constituent colors using a series of filters. Each color is then converted into an electrical signal that corresponds to the intensity of that color in the original light. This process allows for a more accurate representation of the scene being captured.One of the key advantages of using a color pickup tube is its ability to produce images with a wide dynamic range and rich color depth. Unlike modern digital sensors that rely on pixels to capture light, the color pickup tube provides a unique way to handle color information. This results in images that are often described as having a more organic feel, making them particularly appealing to artists and photographers who seek to convey emotion through their work.However, as technology has advanced, the use of color pickup tubes has declined in favor of more compact and efficient digital sensors, such as CCD (Charge-Coupled Device) and CMOS (Complementary Metal-Oxide-Semiconductor) sensors. These newer technologies offer several benefits, including faster processing speeds, lower power consumption, and the ability to capture images in a variety of lighting conditions. Despite this shift, the legacy of the color pickup tube remains significant in the history of imaging technology.Moreover, understanding the workings of a color pickup tube can provide insights into the challenges faced by early filmmakers and photographers. The need for precise lighting and careful setup was paramount when using these devices, as any variation in light could lead to inaccurate colors and poor image quality. This meticulous process highlights the artistry involved in traditional photography and the lengths to which artists would go to achieve their desired results.In conclusion, the color pickup tube is a fascinating piece of technology that has played a vital role in the evolution of imaging. Its ability to capture color in a unique and vivid way has left a lasting impact on the fields of photography and videography. While newer technologies have largely replaced the color pickup tube, its influence can still be seen in the techniques and aesthetics employed by contemporary artists. As we continue to explore the intersection of art and technology, the history and functionality of the color pickup tube remind us of the beauty and complexity of capturing the world around us.
在摄影和成像的世界中,术语色彩拾取管指的是一个关键组件,它在捕捉生动和准确的色彩方面发挥着重要作用。该设备主要用于相机和扫描仪,将光转换为电信号,然后处理这些信号以产生高质量图像。理解色彩拾取管的功能和重要性,可以增强我们对日常所见图像背后技术的欣赏。色彩拾取管通常出现在较旧的视频摄像机中,它的工作原理是将光分离成其基本颜色:红色、绿色和蓝色。当光线进入相机时,它通过一个镜头聚焦到色彩拾取管上。在这个管子内部,光线通过一系列滤光片被分解为组成颜色。然后,每种颜色被转换为与原始光中该颜色强度相对应的电信号。这个过程使得捕获的场景能够更准确地呈现。使用色彩拾取管的一个主要优点是它能够生成具有广泛动态范围和丰富色彩深度的图像。与依赖像素捕捉光线的现代数字传感器不同,色彩拾取管提供了一种独特的处理色彩信息的方法。这导致图像通常被描述为具有更有机的感觉,使它们对寻求通过作品传达情感的艺术家和摄影师特别吸引。然而,随着技术的进步,使用色彩拾取管的情况逐渐减少,取而代之的是更紧凑和高效的数字传感器,如CCD(电荷耦合器件)和CMOS(互补金属氧化物半导体)传感器。这些新技术提供了几个好处,包括更快的处理速度、更低的功耗以及在各种照明条件下捕捉图像的能力。尽管发生了这种转变,色彩拾取管在成像技术历史上的遗产仍然是显著的。此外,理解色彩拾取管的工作原理可以为我们提供关于早期电影制作人和摄影师所面临挑战的见解。当使用这些设备时,对精确照明和仔细设置的需求至关重要,因为光的任何变化都可能导致颜色不准确和图像质量差。这一细致的过程突显了传统摄影中涉及的艺术性,以及艺术家为实现他们想要的结果而付出的努力。总之,色彩拾取管是一个迷人的技术,在成像演变中发挥了重要作用。它以独特而生动的方式捕捉颜色的能力对摄影和摄像领域产生了持久的影响。尽管更新的技术在很大程度上取代了色彩拾取管,但其影响仍然可以在当代艺术家采用的技术和美学中看到。随着我们继续探索艺术与技术的交汇点,色彩拾取管的历史和功能提醒我们捕捉周围世界的美丽和复杂性。
相关单词