contrast threshold

简明释义

对比阈

英英释义

Contrast threshold refers to the minimum difference in luminance or color that a human observer can detect between two stimuli.

对比阈值是指人类观察者能够检测到的两个刺激之间的最小亮度或颜色差异。

例句

1.In vision science, understanding the contrast threshold 对比阈值 helps researchers study how we perceive visual stimuli.

在视觉科学中,理解对比阈值 contrast threshold 有助于研究人员研究我们如何感知视觉刺激。

2.Artists often play with the contrast threshold 对比阈值 to create depth in their paintings.

艺术家们常常通过调整对比阈值 contrast threshold 来为他们的画作创造深度。

3.The contrast threshold 对比阈值 can vary from person to person based on age and health.

每个人的对比阈值 contrast threshold 可能因年龄和健康状况而异。

4.When designing user interfaces, it's crucial to consider the contrast threshold 对比阈值 to ensure readability.

在设计用户界面时,考虑对比阈值 contrast threshold 是确保可读性的重要因素。

5.In low-light conditions, the contrast threshold 对比阈值 for detecting objects increases significantly.

在低光条件下,检测物体的对比阈值 contrast threshold 显著增加。

作文

In the realm of visual perception, understanding the concept of contrast threshold is crucial for both artists and scientists alike. The contrast threshold refers to the minimum difference in luminance or color that a human eye can detect between two objects. This phenomenon plays a significant role in how we perceive images, colors, and even depth in our everyday lives. For instance, when viewing a painting, the artist's choice of color contrasts can significantly affect the overall impact of the artwork. A subtle variation in shade might go unnoticed if it falls below the contrast threshold, while a more pronounced difference will catch the viewer's attention immediately.In the field of psychology, the contrast threshold has been extensively studied to understand visual acuity and the limits of human perception. Researchers have found that this threshold can vary greatly among individuals, influenced by factors such as age, lighting conditions, and even emotional state. For example, older adults may have a higher contrast threshold, making it more challenging for them to differentiate between similar shades, especially in low-light environments. This understanding is essential in designing spaces that are accessible and comfortable for people of all ages.Moreover, in technology and design, the contrast threshold plays a vital role in user interface (UI) and user experience (UX) design. Designers must ensure that text is readable against its background, which often involves careful consideration of the contrast threshold. If the contrast is too low, users may struggle to read the content, leading to frustration and a poor user experience. Therefore, many design guidelines emphasize maintaining a sufficient level of contrast between elements to enhance readability and accessibility.In addition to practical applications, the contrast threshold also has artistic implications. Artists often experiment with contrasting colors to evoke emotions or create focal points within their work. The use of complementary colors, for example, can create a striking visual effect that draws the viewer's eye. Understanding the contrast threshold allows artists to manipulate perception, guiding the audience's attention to specific areas of their artwork.In conclusion, the contrast threshold is a multifaceted concept that permeates various fields, from art to science and technology. By comprehending this principle, we can enhance our appreciation of visual experiences and improve practical applications in design and accessibility. Whether we are creating art, conducting research, or designing user-friendly interfaces, recognizing the significance of the contrast threshold enables us to communicate more effectively through visual means. As we continue to explore the boundaries of human perception, the contrast threshold remains a key element in understanding how we interact with the world around us.

在视觉感知的领域,理解“对比阈值”这一概念对艺术家和科学家来说都是至关重要的。“对比阈值”指的是人眼能够检测到的两个物体之间的最小亮度或颜色差异。这种现象在我们日常生活中如何感知图像、颜色甚至深度方面起着重要作用。例如,在观看一幅画时,艺术家的色彩对比选择会显著影响作品的整体效果。如果色调的微妙变化低于“对比阈值”,那么观众可能会忽视它,而更明显的差异则会立即吸引观众的注意。在心理学领域,“对比阈值”被广泛研究,以理解视觉敏锐度和人类感知的极限。研究人员发现,这一阈值在个体之间差异很大,受年龄、光照条件甚至情绪状态等因素的影响。例如,老年人的“对比阈值”可能较高,使他们在低光环境中更难区分相似的色调。这一理解对于设计无障碍和舒适的空间至关重要。此外,在技术和设计中,“对比阈值”在用户界面(UI)和用户体验(UX)设计中发挥着重要作用。设计师必须确保文本在背景上可读,这通常涉及对“对比阈值”的仔细考虑。如果对比度过低,用户可能会难以阅读内容,从而导致挫败感和糟糕的用户体验。因此,许多设计指南强调保持元素之间足够的对比度,以增强可读性和可及性。除了实际应用外,“对比阈值”在艺术上也有重要意义。艺术家经常通过对比色进行实验,以唤起情感或在作品中创建焦点。例如,互补色的使用可以创造出引人注目的视觉效果,吸引观众的目光。理解“对比阈值”使艺术家能够操纵感知,引导观众的注意力到作品的特定区域。总之,“对比阈值”是一个多方面的概念,渗透到艺术、科学和技术等各个领域。通过理解这一原理,我们可以增强对视觉体验的欣赏,并改善设计和可及性中的实际应用。无论我们是在创作艺术、进行研究还是设计用户友好的界面,认识到“对比阈值”的重要性使我们能够通过视觉手段更有效地进行沟通。在我们继续探索人类感知的边界时,“对比阈值”仍然是理解我们与周围世界互动的关键元素。

相关单词

threshold

threshold详解:怎么读、什么意思、用法