AV1技术学习:Constrained Directional Enhancement Filter
CDEF允许编解码器沿某些(可能是倾斜的)方向应用非线性消阶滤波器。它以88为单位进行。如下图所示,通过旋转和反射所示的三个模板来定义八个预设方向。 Templates of preset directions and their associated directions. The templates correspond to directions of…
2025-01-26