Paralelização Do Processamento Digital de Imagens a Cores
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O processamento digital de imagens, especialmente o trabalho com imagens a cores, tornou-se uma parte integrante das tecnologias modernas. As imagens a cores s�o normalmente armazenadas no modelo RGB (Red, Green, Blue), em que cada pixel � constitu�do por tr�s componentes de cor. Uma vez que cada componente pode ser processado de forma independente, as tecnologias de computa��o paralela s�o amplamente aplicadas neste dom�nio. A paraleliza��o refere-se � t�cnica de execu��o de v�rias tarefas em simult�neo, aumentando significativamente a velocidade de processamento. No processamento de imagens a cores, cada canal (R, G, B), cada pixel ou blocos de imagem podem ser processados por processadores ou threads separados. As t�cnicas de processamento paralelo s�o efetivamente utilizadas em v�rios dom�nios, como a intelig�ncia artificial, a imagiologia m�dica, a vigil�ncia por v�deo e as aplica��es de edi��o gr�fica. Com a ajuda de GPUs (unidades de processamento gr�fico) e CPUs multi-core, o processamento paralelo � conseguido utilizando tecnologias como OpenMP, CUDA, OpenCL e MPI. Al�m disso, tarefas como a an�lise baseada em redes neuronais, segmenta��o de imagens, filtragem, nitidez e ajustes de equil�brio de cores s�o tamb�m executadas em paralelo.
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