image sensor

简明释义

1. 图像传感器; 2. 图象传感器; 3. 影象传感器;

英英释义

例句

1.Modern smartphones use advanced image sensors to capture stunning images.

现代智能手机使用先进的图像传感器来捕捉惊艳的图像。

2.DSLR cameras typically have larger image sensors compared to compact cameras.

与紧凑型相机相比，单反相机通常具有更大的图像传感器。

3.When buying a camera, check the specifications of the image sensor for better low-light performance.

购买相机时，请查看图像传感器的规格，以获得更好的低光表现。

4.The image sensor in this webcam offers high-definition video quality.

这款网络摄像头中的图像传感器提供高清晰度的视频质量。

5.The quality of the photograph largely depends on the performance of the image sensor.

照片的质量在很大程度上取决于图像传感器的性能。

作文

In today's digital age, the quality of images captured by cameras has become increasingly important. One of the key components that determine this quality is the image sensor. An image sensor (图像传感器) is a device that converts light into electrical signals, allowing us to capture photographs and videos with remarkable clarity and detail. Understanding how image sensors work can help us appreciate the technology behind modern photography and videography.There are two main types of image sensors: CCD (Charge-Coupled Device) and CMOS (Complementary Metal-Oxide-Semiconductor). Each type has its own advantages and disadvantages. CCD sensors have been traditionally used in high-end cameras due to their superior image quality and low noise levels. However, they are more expensive to manufacture and consume more power compared to CMOS sensors. On the other hand, CMOS sensors have gained popularity in recent years because they are cheaper to produce, consume less power, and can be integrated with additional circuitry on the same chip.The size of an image sensor also plays a crucial role in determining the overall image quality. Larger sensors can capture more light, resulting in better performance in low-light conditions and a wider dynamic range. This is why professional photographers often invest in cameras with larger image sensors, as they provide greater flexibility and improved results.Another important aspect of image sensors is their resolution, which is measured in megapixels. Higher resolution means that the camera can capture more detail in the images. However, it is essential to note that more megapixels do not always equate to better image quality. Factors such as lens quality, sensor size, and image processing algorithms also play significant roles in the final output.In recent years, advancements in technology have led to the development of innovative image sensors that enhance our photographic experiences. For instance, back-illuminated (BSI) sensors allow for better light capture by positioning the wiring behind the photodiodes, resulting in improved performance in low-light situations. Additionally, some modern image sensors incorporate features like phase detection autofocus and on-chip HDR (High Dynamic Range) capabilities, making them even more versatile for various shooting conditions.As smartphones continue to dominate the photography landscape, manufacturers are investing heavily in improving the image sensors used in these devices. The competition to create the best smartphone camera has led to significant innovations, including multi-lens systems and computational photography techniques, which utilize powerful software to enhance image quality further.In conclusion, the image sensor (图像传感器) is a fundamental component of any camera system, playing a pivotal role in determining the quality of the images we capture. By understanding the different types of image sensors, their sizes, resolutions, and recent technological advancements, we can better appreciate the art of photography and the science behind it. Whether you are a professional photographer or an amateur enthusiast, knowing about image sensors will undoubtedly enhance your understanding and enjoyment of capturing moments through the lens.

在当今数字时代，摄影机捕捉图像的质量变得越来越重要。决定这种质量的关键组件之一是图像传感器。图像传感器（image sensor）是一种将光转换为电信号的设备，使我们能够以卓越的清晰度和细节捕捉照片和视频。理解图像传感器的工作原理可以帮助我们欣赏现代摄影和摄像背后的技术。图像传感器主要有两种类型：CCD（电荷耦合器件）和CMOS（互补金属氧化物半导体）。每种类型都有其优缺点。由于其卓越的图像质量和低噪声水平，CCD传感器传统上用于高端相机。然而，与CMOS传感器相比，它们的制造成本更高，功耗也更大。另一方面，CMOS传感器近年来因其生产成本较低、功耗较少以及能够与附加电路集成在同一芯片上而受到欢迎。图像传感器的大小在决定整体图像质量方面也起着至关重要的作用。较大的传感器可以捕获更多光线，从而在低光条件下提供更好的性能和更宽的动态范围。这就是为什么专业摄影师通常投资于具有较大图像传感器的相机，因为它们提供了更大的灵活性和更好的效果。图像传感器的另一个重要方面是其分辨率，通常以百万像素（megapixels）来衡量。更高的分辨率意味着相机可以捕捉到更多细节。然而，值得注意的是，更多的百万像素并不总是等同于更好的图像质量。镜头质量、传感器大小和图像处理算法等因素在最终输出中也起着重要作用。近年来，技术的进步促进了创新图像传感器的发展，以增强我们的摄影体验。例如，背照式（BSI）传感器通过将电路布线放置在光电二极管后面来提高光捕获能力，从而在低光环境中改善性能。此外，一些现代图像传感器还集成了相位检测自动对焦和芯片HDR（高动态范围）功能，使其在各种拍摄条件下更加多才多艺。随着智能手机继续主导摄影领域，制造商正在大量投资于改善这些设备中使用的图像传感器。创造最佳智能手机相机的竞争导致了显著的创新，包括多镜头系统和计算摄影技术，这些技术利用强大的软件进一步增强图像质量。总之，图像传感器（image sensor）是任何相机系统的基本组件，在决定我们捕捉图像的质量方面发挥着关键作用。通过了解不同类型的图像传感器、它们的大小、分辨率以及最近的技术进步，我们可以更好地欣赏摄影艺术及其背后的科学。无论您是专业摄影师还是业余爱好者，了解图像传感器无疑会增强您对通过镜头捕捉瞬间的理解和乐趣。