Adaptive Detail Enhancer

The VPC-5 is a 2D adaptive detail enhancer which selectively enhances the appearance of edges and textures without enhancing the appearance of noise. Separate controls are provided for both edge and texture enhancement as well as for the amount of enhancement to be applied in each dimension. A programmable threshold for discriminating textures from noise is also provided. Careful algorithm design and piecewise linear control ensure a well behaved response without large changes at the output in response to small changes at the input. Programmable overshoot clamping is provided to limit the amount of overshoot associated with enhancement. The VPC-5 Adaptive Detail Enhancer can be combined with the VPC-3 Mosquito/Block Noise Reducer to provide a complete suite of enhancement and noise reduction tools.

The VPC-5 is available with complete Verilog source code, Verilog test bench and bit-accurate C model as part of the license. Integration and programming guidelines are also included backed up by expert technical support.

A VPC-5 reference design is available for standard development kits from Xilinx and Altera for demonstration and evaluation purposes. The design includes a built-in user interface with embedded OSD to simplify access to key features of the IP. In addition to simplifying the evaluation of the VPC-5 IP core, the design also serves as a template for customer application development.

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