Con l'aiuto del vecchio e fedele Photoshop Elements 4.0, di quando in quando cerco di migliorare le fotografie storiche in bianco e nero. Anche le immagini che creo al microscopio con la tecnica del focus stacking necessitano di ripulitura e regolazione dei livelli. Cerco di usare il meno possibile gli effetti software che coprono l'intera immagine, e intervengo punto per punto come ritengo necessario. Ciò può richiedere molto tempo e molta pazienza. Qui sotto, alcuni esempi a bassa risoluzione e in piccola dimensione dei risultati migliori che ho ottenuto. Altre immagini restaurate di argomento aeronautico possono essere trovate qui: http://www.cesarebrizio.it/AAFC/AAFC_SELECTION.htm.
With the help of the old and faithful Photoshop Elements 4.0, from time to time I try to improve historical photos in black and white. Also the images that I create at the microscope with the focus stacking technique need cleaning and levels adjustment. I try to use as little as possible the software effects that cover the whole picture, and I intervene spot by spot as I deem necessary. This may require much time and much patience. Here under, some low resolution and small size examples of the best results that I obtained. More restored pictures of aeronautical subject can be found here: http://www.cesarebrizio.it/AAFC/AAFC_SELECTION.htm.
Picture (click to enlarge) | Subject | Shooting Technique | Main interventions |
Rhynchites auratus | Focus stacking (see here for details) | White balancing, lint and dust removal, selective contrast and brightness adjustments, one-pixel resolution “spot healing”, antenna tip replacement | |
Stilbum cyanurum | Focus stacking (see here for details) | White balancing, lint and dust removal, selective contrast and brightness adjustments, one-pixel resolution “spot healing”, complete reconstruction of one leg, complete reconstruction of five feet, removal of paper and glue from the head, mitigation of the reflection on dorsum via cut & paste from a second set of pictures | |
Chrysis ignita | Focus stacking (see here for details) | White balancing, lint and dust removal, selective contrast and brightness adjustments, one-pixel resolution “spot healing”, antenna tip replacement | |
An old picture | Flatbed hi-res scan of deteriorated small-size photographic print | White balancing, color removal, crack mitigation or removal, scratch mitigation, selective contrast and brightness adjustments, removal of small blotches, one-pixel resolution “spot healing” | |
Cockpit of the McDonnell XF-85 Goblin | Received as a high-resolution digital image, courtesy of Ray Schoch | White balancing, color removal, lint and dust removal, scratch mitigation, Gaussian blurring by area, selective contrast and brightness adjustments, removal of small blotches, one-pixel resolution “spot healing” | |
Cockpit of the McDonnell XF-85 Goblin (detail) | Received as a high-resolution digital image, courtesy of Ray Schoch | White balancing, color removal, lint and dust removal, scratch mitigation, Gaussian blurring by area, selective contrast and brightness adjustments, removal of small blotches, one-pixel resolution “spot healing” | |
Martin XP6M-1 Seamaster undergoing structural tests on Jan 5, 1955 | Received as a high-resolution digital image, cortesy of The Glenn L. Martin Maryland aviation Museum | Color removal, lint and dust removal, scratch mitigation, selective contrast and brightness adjustments, removal of small blotches, one-pixel resolution “spot healing” | |
LES PLANCHES INÉDITES DE FORAMINIFÈRES D’ALCIDE D'ORBIGNY Marie-Thérèse Vénec-Peyré | Watercoloured lithographs, downloaded as a set of JPEG images | Color removal, lint and dust removal, selective contrast and brightness adjustments, removal of small blotches, handwriting enhancement, one-pixel resolution “spot healing” | |
Iconografia della fauna italica : per le quattro classi degli animali vertebrati (Bonaparte, Charles-Lucien, 1803-1857) | Watercoloured lithographs, downloaded as a set of JPEG 2000 images | Color removal, lint and dust removal, selective contrast and brightness adjustments, removal of small blotches, handwriting enhancement, one-pixel resolution “spot healing” |
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