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haar-wavelet-image-compression's Introduction

Haar Parallel DWT

This is an implementation of the Haar Wavelet in CUDA. The purpose of this project, is to compress images using the DWT. It is a hybrid scheme, that uses RLE as entropy coder.

based on: Haar Wavelet Image Compression

Haar DWT in CUDA

    __global__ void multDerechaGPU(float* const imagenOriginal, float* const imagenSalida, 
	float* const mascara, int filas, int columnas, bool setQuantization)

    __global__ void multIzquierdaGPU(float* const imagenOriginal, float* const imagenSalida, 
	float* const mascara, int filas, int columnas,bool setQuantization)

Quality Parameters

  • Compress Ratio
  • MSE
  • PSNR
  • SSIM

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