Digital Video Anti-aliasing Filter

General Description

Anti-aliasing filter for use in digital video applications. Implements a 3x3 low-pass filter on the image pixels to remove high frequency artefacts such as jagged edges, stepped lines and Moiré interference patterns. Ideal for use with image sensors and before video downscaling to vastly improve image quality.

Key Design Features

- RGB or YCbCr video in/out
- Fully pipelined architecture
- AMBA / AXI4-stream compatible
- Choice of up to 5 low-pass filter responses
- Small implementation size

Applications

- Low-pass (anti-alias) filtering for digital video applications
- Optimization of video from image sensors and cameras
- Reduction of jagged edges, stepped lines and Moiré interference patterns
- Forms an essential stage when downscaling and upscaling by large factors
  such as 4K video to HD/SD and vice versa

View datasheet

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