Input for a 2D-SSA algorithm consists of an image 𝕏 and the shape of a moving window (which is the main algorithm parameter).
To prevent aliasing effects that may be introduced by applying a discrete Fourier transform, the filter also has to be bandlimited and, as in the case of CT reconstruction filters, there are certain degrees of freedom in choosing the shape of a bandlimiting window function.
Ten years on since the vision was unveiled, the colourful hoardings still stand, trumpeting alluring scenes of novelty buildings in all the colours and shapes of a sweetshop window.
Because the pillar treatment heavily influences the overall shape of a car's windows — an important trait that designers call the "daylight opening" — these kinks can accentuate the horizontal, making cars seem longer.
Among the typical features of this style are red sandstone surfaces with white marble inlays, arches in the shape of a pointed horseshoe, windows fitted with perforated screens, and intricate and abundant decoration with arabesques and inspirational texts.
Sew them together so they are of a rectangular/ square shape (depending on the shape of your window), and then sew one of the edges in so that you can put a piece of string or elastic through it to create curtains.
If the shape of the window isn't square or rectangular, make a paper template.
The give of a floorboard in a corridor, the sunlight through a window, the shape of a wooden refectory bench, an echo of children's voices.
