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Fast Scheme for Projective Geometric Correction and Edge Blending Based on High Dynamic Range Images
Pages: 214-218
Year: Issue:  2
Journal: Journal of Donghua University(English Edition)

Keyword:  multi-channel projectiongeometric correctionedge blendinghigh dynamic range(HDR) imagelookup table(LUT)high level shading language(HLSL);
Abstract: With the development of graphic processing unit(GPU)power,it is now possible to implement geometric correction and edge blending functions on a single computer.However,the processing resources consumed by the geometric correction and edge blending phases still burden the system and slow down the main application considerably.A new platform independent scheme is proposed,minimizing the negative influence on performance.In this scheme,parameters for geometric correction and edge blending are firstly defined in an interactive way and recorded as a 32-bit high dynamic range(HDR) image,which is then used by high level shading language(HLSL) codes embedded in the main application as a lookup table,greatly reducing the computational complexity and enhancing flexibility.
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