A purpose-built camera with an infrared light source can "see through" the surface layer of paint to record underdrawings and underpaintings
that the artist may have initially rendered.
Martin Postle confirms (64) from a colour image that the painting is by Reynolds, commenting that stylistically it 'conforms to Reynolds's later style of the mid-1780s and the underpainting
in the unfinished areas, notably in the body and face of the Child, is consistent with his working method'.
From Matisse she learned how to draw and use underpainting
to enrich color, and from Max Beckmann, in one of the largest collections of his work, she discovered how to find a visual vocabulary that could be an artist's own.
She also advances the hypothesis that Giotto taught life drawing to his team, pointing out traces of anatomical underpainting
where draperies have flaked off--a practice previously believed to have begun in the mid-fifteenth century.
I work in oil on masonite, starting with a monochromatic underpainting
on panel, followed by numerous layers of thin glazes, similar to those used by fifteenth century Sienese painters, creating a highly detailed surface.
The process of underpainting
creates sparks of color.
Kane's first assignment was to assist Leigh in the underpainting
for the mountain gorilla diorama.
Sgraffito and surface attrition are used to reveal successive layers of underpainting
and capture the essential characteristics of the landscape.
In "Nunc Dimittis" an art advisor conceives the idea of commissioning a painting of a lady friend and then scraping her clothing off to reveal the underpainting
of her naked form.
is done to block in the background.
I do a lot of drawings and begin with a monochromatic underpainting
that gives me an idea about the light source and major forms in the painting.
To create the vibrant colors in his paintings, Nootenboom primes his paintings with a technique called underpainting