vignetting

简明释义

英[vɪˈnjetɪŋ]美[vɪˈnjetɪŋ]

n. [物] 渐晕；光晕，光损失；暗角

英英释义

单词用法

同义词

反义词

例句

1.Vignetting refers to the lightening or darkening of the edges of an image.

虚光照是指增亮或是调暗图片的边缘。

2.Example of Vignetting. Notice how the screen corners get darker and more blurred and also show color separation.

渐晕特效例子。注意屏幕的边角区域是如何变暗、模糊和颜色分离的。

3.Meanwhile a new method to compute the vignetting coefficients has been given.

文章同时给出了计算渐晕系数的新方法。

4.I also added some vignetting (shadow around the edges of the image) to help draw the eye to the center of the composition.

我也添加了一些小插图(图边缘周围的阴影)来帮助将注意力转移到图的中心区域。

5.A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.

叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。

6.To do this, a blue overlay was added and some vignetting around the edges which allowed the interior lights to really pop.

为了实现这个目标，我叠加了蓝色，并将照片颜色调暗，这样室内的光线就很显眼。

7.To correct the vignetting in her photos, she used software that automatically adjusted the exposure.

为了修正她照片中的渐晕，她使用了自动调整曝光的软件。

8.The photographer noticed some vignetting in the corners of his images, which added a vintage feel.

摄影师注意到他图像的角落有一些渐晕，这增加了一种复古的感觉。

9.He applied a subtle vignetting in post-processing to enhance the mood of the landscape shot.

他在后期处理中应用了微妙的渐晕来增强风景照片的氛围。

10.The vignetting effect can be used creatively to draw attention to the subject in the center of the frame.

可以创造性地使用渐晕效果来吸引注意力集中在画面中心的主体上。

11.Some lenses inherently produce vignetting, especially at wide apertures.

某些镜头在广角光圈下本身就会产生渐晕。

作文

In the realm of photography and visual arts, the term vignetting refers to a gradual darkening of the image corners compared to the center. This phenomenon can occur naturally due to lens characteristics or can be intentionally applied during post-processing. Understanding vignetting is essential for photographers who wish to enhance their images artistically while maintaining a professional standard. Vignetting can draw attention to the subject of a photograph by subtly framing it, thereby creating a more focused composition. For instance, when capturing a portrait, applying vignetting can help isolate the subject from the background. The darker edges lead the viewer's eye toward the center of the image where the subject is located. This technique not only improves the aesthetic appeal but also enhances the emotional impact of the photograph. Many photographers use vignetting to evoke a certain mood or atmosphere in their work. However, it is crucial to apply vignetting judiciously. Overdoing it can result in an unnatural look that detracts from the overall quality of the image. A subtle touch often works best, allowing the viewer to notice the effect without it being overpowering. In digital photography, software like Adobe Lightroom and Photoshop provides tools to adjust vignetting easily, giving photographers control over how much darkness is applied to the corners of their images. Moreover, vignetting can also refer to the loss of sharpness at the edges of an image, which can be a result of lens distortion. This type of vignetting is generally considered undesirable, as it can distract from the main subject and reduce the clarity of the overall image. Photographers often seek to minimize this effect, especially in commercial work where high-quality images are paramount. In conclusion, vignetting is a powerful tool in the photographer's arsenal. When used correctly, it can enhance the visual storytelling of an image, guiding the viewer's focus and adding depth to the composition. Whether it is through natural lens effects or intentional editing, understanding how to manipulate vignetting can elevate a photographer's work to new heights. As with any artistic technique, the key lies in balance and intention, ensuring that vignetting serves to enrich rather than overwhelm the narrative of the photograph.

在摄影和视觉艺术领域，术语vignetting指的是图像角落逐渐变暗，与中心相比。这种现象可能由于镜头特性自然发生，也可以在后期处理中有意应用。理解vignetting对希望在艺术上提升图像同时保持专业标准的摄影师至关重要。Vignetting可以通过微妙地框住主体来吸引观众的注意力，从而创造出更集中的构图。例如，在拍摄肖像时，应用vignetting可以帮助将主体与背景隔离开来。较暗的边缘引导观众的视线朝向图像中心，那里是主体所在的位置。这种技巧不仅提高了美学吸引力，还增强了照片的情感冲击力。许多摄影师使用vignetting来唤起他们作品中特定的情绪或氛围。然而，明智地应用vignetting至关重要。过度使用会导致不自然的外观，削弱图像的整体质量。微妙的触感通常效果最佳，让观众注意到这种效果而不会被其压倒。在数字摄影中，像Adobe Lightroom和Photoshop这样的软件提供了轻松调整vignetting的工具，使摄影师能够控制图像角落施加多少黑暗。此外，vignetting也可以指图像边缘锐度的损失，这可能是镜头畸变的结果。这种类型的vignetting通常被认为是不受欢迎的，因为它可能分散主体的注意力并降低整体图像的清晰度。摄影师通常会寻求最小化这种效果，特别是在商业工作中，高质量图像至关重要。总之，vignetting是摄影师工具箱中的一个强大工具。当正确使用时，它可以增强图像的视觉叙事，引导观众的注意力并为构图增添深度。无论是通过自然镜头效果还是故意编辑，理解如何操控vignetting可以将摄影师的作品提升到新的高度。与任何艺术技巧一样，关键在于平衡和意图，确保vignetting服务于丰富而不是压倒照片的叙述。