image sensor

简明释义

图象传感器

英英释义

例句

1.When choosing a DSLR, pay attention to the size of the image sensor.图像传感器

在选择单反相机时，注意图像传感器的大小。

2.Many smartphones now use advanced image sensors.图像传感器

许多智能手机现在使用先进的图像传感器。

3.The image sensor in this camera is capable of capturing 4K video.图像传感器

这款相机中的图像传感器能够拍摄4K视频。

4.A larger image sensor can capture more light, resulting in better low-light performance.图像传感器

较大的图像传感器可以捕捉更多光线，从而提高低光性能。

5.The quality of the photo largely depends on the type of image sensor.图像传感器

照片的质量在很大程度上取决于所使用的图像传感器。

作文

In the world of photography and videography, the term image sensor refers to a crucial component that plays a significant role in capturing light and converting it into electrical signals. This technology is at the heart of digital cameras, smartphones, and other imaging devices. Understanding how an image sensor works can greatly enhance one's appreciation for the art of photography and the science behind it.An image sensor is essentially a semiconductor device that detects and converts light into an electronic signal. There are two main types of image sensors: Charge-Coupled Devices (CCDs) and Complementary Metal-Oxide-Semiconductors (CMOS). Both types have their advantages and disadvantages, but they serve the same primary purpose: to capture images.CCDs have been around longer and are known for their high-quality image output, particularly in low-light conditions. They work by transferring the charge from each pixel across the chip and reading it at one corner, which can result in higher fidelity images. However, CCDs tend to consume more power and are generally more expensive to manufacture. On the other hand, CMOS image sensors have gained popularity due to their lower power consumption and ability to integrate additional circuitry on the same chip. This integration allows for faster processing speeds and the potential for advanced features like on-chip image processing.The resolution of an image sensor is another critical aspect to consider. Resolution is typically measured in megapixels (MP), which indicates the number of pixels that make up an image. A higher megapixel count often translates to greater detail in the captured images, allowing for larger prints without loss of quality. However, resolution is not the only factor that determines image quality. The size of the image sensor also plays a vital role; larger sensors can capture more light, resulting in better performance in varied lighting conditions.Furthermore, the design and construction of an image sensor can influence its performance. Factors such as pixel size, sensor architecture, and the type of lens used can all affect the final image quality. For instance, larger pixels can collect more light, improving the sensor's performance in low-light situations. This is why many professional photographers invest in cameras with larger image sensors, as they provide better dynamic range and color accuracy.In recent years, advancements in technology have led to the development of new types of image sensors, such as back-illuminated sensors and stacked sensors. Back-illuminated sensors improve light capture by placing the wiring behind the photodiodes, allowing for more light to hit the sensor. Stacked sensors, on the other hand, separate the photodiode and the processing circuitry, enabling faster readout speeds and improved performance.In conclusion, the image sensor is a fundamental element in modern imaging technology. Its ability to convert light into electrical signals has revolutionized photography and videography, making it accessible to everyone. As technology continues to evolve, we can expect even more innovations in image sensors, leading to better image quality and new creative possibilities for photographers and videographers alike. Understanding the intricacies of image sensors not only enhances our appreciation for the devices we use but also inspires us to explore the endless possibilities of capturing the world around us.

在摄影和摄像的世界中，术语图像传感器指的是一个关键组件，它在捕捉光线并将其转换为电信号方面发挥着重要作用。这项技术是数码相机、智能手机和其他成像设备的核心。理解图像传感器的工作原理可以大大增强人们对摄影艺术及其背后科学的欣赏。图像传感器本质上是一种半导体设备，用于探测和转换光线为电子信号。图像传感器主要有两种类型：电荷耦合器件（CCD）和互补金属氧化物半导体（CMOS）。这两种类型各有优缺点，但它们的主要目的都是捕捉图像。CCD存在的时间较长，以其在低光条件下的高质量图像输出而闻名。它们通过将每个像素的电荷从芯片转移到一个角落进行读取，这可能导致更高保真度的图像。然而，CCD通常消耗更多的电力，并且制造成本相对较高。另一方面，CMOS图像传感器因其较低的功耗以及能够在同一芯片上集成额外电路而获得了广泛应用。这种集成允许更快的处理速度和潜在的先进功能，例如片上图像处理。图像传感器的分辨率是另一个关键因素。分辨率通常以百万像素（MP）来衡量，表示构成图像的像素数量。更高的百万像素计数通常意味着捕获的图像细节更丰富，允许在不损失质量的情况下进行更大尺寸的打印。然而，分辨率并不是决定图像质量的唯一因素。图像传感器的大小也起着至关重要的作用；较大的传感器可以捕获更多的光，从而在各种光照条件下提供更好的性能。此外，图像传感器的设计和构造也会影响其性能。像素大小、传感器架构和所使用镜头的类型等因素都会影响最终的图像质量。例如，较大的像素可以收集更多光线，提高传感器在低光条件下的表现。这就是为什么许多专业摄影师投资于具有较大图像传感器的相机，因为它们提供更好的动态范围和色彩准确性。近年来，技术的进步导致了新型图像传感器的发展，例如背照式传感器和堆叠式传感器。背照式传感器通过将布线放置在光电二极管后面来改善光捕获，使得更多的光能够照射到传感器上。堆叠式传感器则将光电二极管与处理电路分离，从而实现更快的读出速度和更好的性能。总之，图像传感器是现代成像技术中的基本元素。它将光线转换为电信号的能力彻底改变了摄影和摄像，使其对每个人都变得可及。随着技术的不断发展，我们可以期待图像传感器领域出现更多创新，从而带来更好的图像质量和新的创作可能性。理解图像传感器的复杂性不仅增强了我们对所用设备的欣赏，也激励我们探索捕捉周围世界的无尽可能性。