grayscale

简明释义

英[ˈɡreɪskeɪl]美[ˈɡreɪskeɪl]

灰度；灰度图；灰度级；灰度模式

英英释义

单词用法

同义词

反义词

例句

1.Creates and returns a color object using the specified opacity and grayscale values.

创建并返回一个指定的不透明的灰度值的对象。

2.MAIN OUTCOME MEASURES: Positive cellular percentage, density and grayscale of heat shock protein 70 in the rats' hippocampus.

主要观察指标：大鼠海马热休克蛋白70阳性细胞百分率、密度和灰度值。

3.Initializes and returns a color object using the specified opacity and grayscale values.

初始化并使用指定灰度和透明值的颜色对象。

4.It's also important to note that Grayscale JPGs do not compress nearly as much as color ones do.

还要重点注意灰度图不能压缩得像彩图同样程度。

5.The numbers are part of a grayscale system in which brightness is measured in a range of values.

这些数字是灰度系统的一部分，其亮度由一系列数值测量。

6.For example, a wedding photographer could turn an image into grayscale, leaving only a beautiful bridal bouquet in full color.

比如一张婚礼的照片，可以做成灰色效果，只留下新娘手里的彩色的美花束。

7.Determining the bimetallic strip state by comparing - the grayscale of the region near the center of it, and giving out the result.

利用双金属片中心点附近区域灰度的变化来确定双金属片突跳状态，并给出了检测结果。

8.The photo editing software allows you to convert images to grayscale.

这款照片编辑软件允许你将图像转换为灰度。

9.In printing, grayscale images use varying shades of black and white.

在打印中，灰度图像使用不同的黑白阴影。

10.For a more dramatic effect, try applying a grayscale filter to your photos.

为了更戏剧性的效果，可以尝试对你的照片应用灰度滤镜。

11.Many artists prefer working in grayscale to focus on composition and light.

许多艺术家更喜欢在灰度中工作，以专注于构图和光线。

12.The grayscale option is useful for creating high-contrast designs.

灰度选项对于创建高对比度设计非常有用。

作文

In the world of digital imaging, the term grayscale refers to a range of shades of gray without distinct color. This format is crucial in various fields including photography, graphic design, and even medical imaging. Understanding the concept of grayscale is essential for anyone involved in visual arts or data representation. When we think about images, we often envision vibrant colors that evoke emotion and convey meaning. However, grayscale images strip away this color, focusing instead on lightness and darkness. Each pixel in a grayscale image represents different intensities of light, where black is the absence of light and white is the full presence of light. The transition between these extremes creates a spectrum of gray shades that can be used artistically or analytically. One of the primary uses of grayscale is in photography. Many photographers choose to convert their colored images into grayscale to highlight shapes, textures, and contrasts that might otherwise be overlooked in color. The absence of color allows the viewer to focus on the composition and the emotional weight of the photograph. For instance, Ansel Adams, a renowned photographer, famously used grayscale to capture the stunning landscapes of the American West, emphasizing the dramatic contrasts and intricate details of nature. In graphic design, grayscale can also play a significant role. Designers often use grayscale palettes to create sophisticated and timeless designs. A grayscale layout can convey professionalism and elegance, making it a popular choice for corporate branding and print materials. Furthermore, using grayscale can help ensure that designs remain accessible for those with color vision deficiencies. Another important application of grayscale is in medical imaging. Technologies such as X-rays, MRIs, and CT scans typically produce grayscale images. In these cases, the varying shades of gray indicate different densities of tissues, helping medical professionals diagnose conditions accurately. For example, bones appear white due to their density, while softer tissues appear in varying shades of gray. The ability to interpret these images is vital for effective treatment and patient care. Despite its many advantages, working in grayscale also presents challenges. One of the main difficulties is ensuring sufficient contrast. Without careful attention, grayscale images can become flat and lack depth. Artists and designers must skillfully manipulate light and shadow to create dynamic compositions that engage the viewer. Additionally, when converting color images to grayscale, it is essential to consider how the colors translate to shades of gray, as some hues may not provide the desired contrast. In conclusion, the concept of grayscale encompasses much more than just a lack of color. It is a powerful tool that can enhance artistic expression, improve design aesthetics, and facilitate critical analysis in fields such as medicine. By understanding and mastering grayscale, individuals can unlock new possibilities in their creative and professional endeavors. Whether it’s through capturing breathtaking photographs or designing compelling graphics, the ability to work effectively with grayscale opens up a world of opportunities for innovation and expression.

在数字图像的世界中，术语grayscale指的是没有明显颜色的各种灰色阴影。这种格式在摄影、平面设计甚至医学成像等多个领域至关重要。理解grayscale的概念对于任何参与视觉艺术或数据表示的人都是必不可少的。 当我们想到图像时，我们通常会想象出充满活力的颜色，这些颜色能够唤起情感并传达意义。然而，grayscale图像去除了这些颜色，更加关注明暗。grayscale图像中的每个像素代表不同的光强度，其中黑色是光的缺失，而白色是光的完全存在。介于这两者之间的过渡创造了一个灰色阴影的光谱，可以用于艺术创作或分析。 grayscale的主要用途之一是在摄影中。许多摄影师选择将他们的彩色图像转换为grayscale，以突出形状、纹理和对比度，这些在彩色图像中可能会被忽视。颜色的缺失使观众能够专注于构图和照片的情感重量。例如，著名摄影师安塞尔·亚当斯（Ansel Adams）以使用grayscale捕捉美国西部壮丽的风景而闻名，强调自然的戏剧性对比和复杂细节。 在平面设计中，grayscale也可以发挥重要作用。设计师经常使用grayscale调色板来创建精致和永恒的设计。grayscale布局可以传达专业性和优雅性，使其成为企业品牌和印刷材料的热门选择。此外，使用grayscale可以帮助确保设计对色觉障碍者保持可访问性。 grayscale的另一个重要应用是在医学成像中。X光、磁共振成像（MRI）和计算机断层扫描（CT）等技术通常产生grayscale图像。在这些情况下，不同的灰色阴影指示组织的不同密度，帮助医疗专业人员准确诊断疾病。例如，骨骼由于其密度而呈现白色，而软组织则以不同的灰色阴影出现。解读这些图像的能力对于有效治疗和患者护理至关重要。 尽管有很多优点，但在grayscale中工作也带来了挑战。主要困难之一是确保足够的对比度。如果不加以注意，grayscale图像可能会变得平坦，缺乏深度。艺术家和设计师必须巧妙地操控光和影，以创造出吸引观众的动态构图。此外，在将彩色图像转换为grayscale时，考虑颜色如何转换为灰色阴影也是至关重要的，因为某些色调可能不会提供所需的对比度。 总之，grayscale的概念远不止于缺乏颜色。它是一种强大的工具，可以增强艺术表现，提高设计美学，并促进医学等领域的关键分析。通过理解和掌握grayscale，个人可以在他们的创造性和专业工作中解锁新的可能性。无论是通过捕捉令人惊叹的照片还是设计引人注目的图形，有效地使用grayscale的能力为创新和表达开辟了一个机会之窗。