Con il diffondersi delle macchine fotografiche digitali le immagini si sono diffuse a dismisura. Esistono differenti tipi di immagine che possono essere suddivise in 3 gruppi: Raster, definite anche a griglia o bitmap sono quelle immagini in cui una scacchiera di pixel colorati costituiscono l’immagine; Vettoriali, si tratta di immagini che vengono descritte mediante un …
Le immagini raster, conosciute anche come immagini bitmap, sono quel tipo particolare di immagini costituite da una griglia di pixel colorati. Il colore di ogni pixel può essere definito con due tecniche: se l’immagine contiene pochi colori (massimo 256) si crea un elenco dei colori presenti nell’immagine e viene inserito un indice che punta allo …
Le immagini Raster, cosa sono e come funzionano Leggi altro »
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