Modelo de error en imágenes comprimidas con wavelets

Main Article Content

Jairo Villegas G.
Gloria Puetamán G.
Hernán Salazar E.

Keywords

wavelet, compresión de imágenes, imagen observada, compresión lineal y no lineal.

Resumen

En este artículo se presenta la compresión de imágenes a través de la comparación entre el modelo Wavelet y el modelo Fourier, utilizando la minimización de la función de error. El problema que se estudia es específico, consiste en determinar una base {ei} que minimice la función de error entre la imagen original y la recuperada después de la compresión. Es de resaltar que existen muchas aplicaciones, por ejemplo, en medicina o astronomía, en donde no es aceptable ningún deterioro de la imagen porque toda la información contenida, incluso la que se estima como ruido, se considera imprescindible.

MSC: 30H25, 65Txx, 65T60

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