Performance & Analysis of Blocking Artifacts Reduction Using Guassian Adaptive Spatial Low Pass Filter
نویسندگان
چکیده
Ringing artifacts that appear as spurious signal near sharp transitions in a signal appear as ghosts (or) near edges. Two techniques called LPF and ASLPF is used. LPF is used for only just identifying the artifacts present in the video image. ASLPF (Adaptive Spatial Low Pass Filter) is used to identify the artifacts whether it is present in horizontal (or) vertical position (or) near edges. DCT is applied to each and every pixel in the block; the spatial domain is converted into frequency domain. But now a technique called Adaptive Spatial Low Pass Filter (ASLPF) is used to identify the artifacts and remove it completely. Video is converted into frames and each frame is compressed for removing the artifacts. Finally the reduction of artifacts is shown in PSNR.
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