美 英['eɪlɪəsɪŋ] n.混淆;折叠失真;〔计〕别名使用;〔物〕假频 网络混叠;走样;混淆现象 英汉 网络释义 n. 1. 折叠失真 2. 〔计〕别名使用 3. 混淆 4. 〔物〕假频
Sampling of a signal must be done at a rate at least twice as high as the highest frequency component or else, aliasing will result. There is a need for altering the number of samples per image in the horizontal and vertical dimensions when changing image re...
with the processing power of graphics cards. Essentially, a type of anti-aliasing may be needed by anyone from photographers to gamers dealing with digital signal or image processing or the translation of complex scenes into lower-resolution images. See how tosmooth out aliasing in graphic design...
Image aliasing is a visual phenomenon in digital imaging where a sampled representation of an image exhibits undesirable artifacts or distortions. These artifacts typically appear as jagged or “stair-stepped” edges, which can significantly reduce the overall quality and detail in the image. The prim...
In image terms, aliasing manifests as jagged edges wherever there is sharp contrast. These edges are sometimes referred to as jaggies. 锯齿指的是底层的那些渲染样本数据产生的效果。这个概念通常是在信号处理领域经常被用到。当音频信号中出现锯齿的时候,声音听起来会是非常高的嘎吱嘎吱的声音。你可能在那些...
1 Introduction Image resampling is ubiquitous in medical imaging. Any processing pipeline that requires coordinate mapping, correction for imaging distortions, or simply alter- ing the resolution of an image, needs a representation of the image outside of the digital sampling grid provided by the ...
We enlarge the image to one pixel at a time. The black line in the figure is the pixel position (floating point, non-integer) that the triangle edge passes through mathematically Let's draw a coordinate system for it: In fact, we should calculate the area of the red area. We can calc...
Shader-based techniques such as fast approximate anti-aliasing (FXAA) or sub-pixel morphological anti-aliasing (SMAA). Both of these techniques use analytics to detect and blur sharp geometric features. They are also post processing algorithms which are performed in screen space, and generally, hav...
A post-processing technique that’s less resource-intensive but can sometimes result in a slightly blurrier image. FXAA works by analyzing the rendered image and smoothing out high-contrast edges. It’s very fast and can be applied to any image, making it popular in games that need to maint...
The Anti-aliasing algorithms are image-based, which is useful when support for traditional multisampling is not available, such as the deferred rendering shading path, or HDR in the forward rendering path in Unity 5.5 or earlier. The Editor’s Quality settings window is home to these options. ...