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The VPR toolset [6, 7] has been widely used to perform FPGA architecture and CAD research, but has not evolved over the past decade to include many architectural features now present in modern FPGAs. This paper describes a new version of the toolset that includes four significant features: first, it now supports a broad range of single-driver routing(More)
Architecture development for FPGAs has typically been a very empirical discipline, requiring the synthesis of benchmark circuits into candidate architectures. This is difficult to do in the early stages of architecture development, however, because there is no complete architecture to synthesize circuits into. The effort required to create prototype tools(More)
1 T-VPack is a timing-driven version of the VPack program that was provided with earlier versions of VPR. When run in its non-timing-driven mode, T-VPack is equivalent to VPack. 1. Overview VPR (Versatile Place and Route) is an FPGA placement and routing tool. VPR has four required and many optional parameters; it is invoked by typing: > vpr netlist.net(More)
The VPR toolset has been widely used in FPGA architecture and CAD research, but has not evolved over the past decade along with commercial FPGAs, to include many new architectural features. This paper describes and uses a new version of the toolset that includes four significant new features: first, it supports a broad range of single-driver routing(More)
A novel image fusion algorithm based on wavelet lifting scheme is presented. The lifting scheme is a new idea of constructing wavelets and has several unique advantages over conventional convolution-based wavelet transform. It allows for an in-place implementation of wavelet transform and reduces computation time and memory requirement greatly. So in this(More)
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