negative picture signal

简明释义

负极性图像信号

英英释义

例句

1.The technician noticed a negative picture signal 负图像信号 on the monitor during the diagnostic check.

技术人员在诊断检查期间注意到监视器上出现了负图像信号 negative picture signal。

2.The negative picture signal 负图像信号 caused the video to appear distorted and unclear.

该负图像信号 negative picture signal导致视频变得扭曲和不清晰。

3.To troubleshoot the issue, we need to analyze the negative picture signal 负图像信号 from the camera feed.

为了排除故障，我们需要分析相机视频中的负图像信号 negative picture signal。

4.We received a negative picture signal 负图像信号 from the satellite transmission, affecting our broadcast quality.

我们从卫星传输中收到了负图像信号 negative picture signal，这影响了我们的广播质量。

5.The engineer adjusted the settings to minimize the negative picture signal 负图像信号 interference.

工程师调整设置以最小化负图像信号 negative picture signal干扰。

作文

In the world of photography and imaging, the term negative picture signal refers to the initial representation of an image before it is processed into a positive format. This concept is essential for understanding how images are captured and transformed in various forms of media, especially in film photography. When light hits the photographic film, it creates a latent image that is not visible until the film is developed. This latent image is what we call a negative picture signal, as it contains the information about the light and dark areas of the scene but in a reversed manner. The light areas appear dark, and the dark areas appear light, hence the term 'negative.'The process of developing this negative involves several chemical reactions that bring out the details captured on the film. Once developed, the negative can be used to create prints. These prints are made by projecting light through the negative onto photographic paper, which captures the positive image. This transformation from a negative picture signal to a positive image is a crucial step in traditional photography.Moreover, in the digital realm, while we do not deal with physical negatives, the concept of a negative picture signal still applies. In digital photography, the sensor captures light information, which can be thought of as a digital equivalent of a negative. The raw data collected by the sensor represents the image in a way that needs to be processed to produce a final photograph. Just like in film photography, this processing involves adjustments to contrast, brightness, and color balance to convert the raw data into a visually appealing image.Understanding the negative picture signal is also vital in fields such as video production and broadcasting. In these areas, the term can refer to the initial signal captured by cameras before any editing or enhancement takes place. This raw footage contains all the necessary information that editors and colorists will later manipulate to achieve the desired final product. The quality of the negative picture signal directly impacts the final output, making it essential for professionals in the industry to ensure they capture the best possible initial signal.In conclusion, the concept of a negative picture signal is fundamental in both traditional and digital photography, as well as in video production. It represents the starting point of an image, encapsulating the information needed to create a final visual representation. By understanding this concept, photographers and videographers can better appreciate the intricacies of their craft and the importance of each stage in the imaging process. Whether in the darkroom or the digital editing suite, recognizing the role of the negative picture signal is crucial for anyone involved in creating visual media.

在摄影和成像的世界中，术语负片图像信号指的是在图像处理成正片格式之前的初始图像表示。这一概念对于理解如何在各种媒体形式中捕捉和转化图像至关重要，尤其是在胶卷摄影中。当光线照射到摄影胶卷上时，会产生一个潜影，直到胶卷被冲洗出来之前，这个潜影是不可见的。这个潜影就是我们所称的负片图像信号，因为它包含了场景中明暗区域的信息，但以反向方式呈现。明亮的区域看起来很暗，而暗的区域看起来很亮，因此得名“负片”。开发这个负片的过程涉及几种化学反应，这些反应揭示了胶卷上捕获的细节。一旦开发完成，负片就可以用来制作照片。这些照片是通过将光投射到负片上，进而在摄影纸上捕获正片图像来制作的。从负片图像信号到正片图像的转变是传统摄影中的一个关键步骤。此外，在数字领域，虽然我们不处理物理负片，但负片图像信号的概念仍然适用。在数字摄影中，传感器捕获光信息，这可以视为负片的数字等价物。传感器收集的原始数据以一种需要处理的方式表示图像，以生成最终的照片。与胶卷摄影一样，这一处理涉及对对比度、亮度和色彩平衡的调整，以将原始数据转换为视觉上令人愉悦的图像。理解负片图像信号在视频制作和广播等领域也至关重要。在这些领域，该术语可以指摄像机捕获的初始信号，在任何编辑或增强发生之前。这段原始镜头包含了编辑人员和调色师稍后将操纵的所有必要信息，以实现所需的最终产品。负片图像信号的质量直接影响最终输出，因此行业内的专业人士必须确保他们捕获到最佳的初始信号。总之，负片图像信号的概念在传统和数字摄影以及视频制作中都是基础，它代表了图像的起点，封装了创建最终视觉表现所需的信息。通过理解这一概念，摄影师和摄像师可以更好地欣赏他们工艺的复杂性，以及成像过程每个阶段的重要性。无论是在暗房还是数字编辑室，认识到负片图像信号的作用对于任何从事视觉媒体创作的人来说都是至关重要的。