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Similarly, selenium toner produces a blue-black or purple image by converting silver into more stable silver selenide. [2] Cyanotypes use iron salts rather than silver salts, producing blue images. [1] Most modern black-and-white films, called panchromatic films, record the entire visible spectrum.
The picture juxtaposes the similarities between the soft oval white face of the model, as if she were a living mask, with the shiny black mask, also with eyes closed and a serene expression. [4] It also expresses the artist's interest in African art, which had a huge influence in the artistic movements of the first decades of the 20th century. [5]
Parallel efforts to produce coloured photographic images affected the popularity of hand-colouring. In 1842 Daniel Davis Jr. patented a method for colouring daguerreotypes through electroplating, [4] and his work was refined by Warren Thompson the following year. The results of the work of Davis and Thompson were only partially successful in ...
Specific black-and-white photographs. It should not contain the images (files) themselves, nor should it contain free- or fair-use images which do not have associated articles. See also Category:Color photographs
The official White House portrait of Barack Obama was unveiled on September 7, 2022. It was painted by Robert McCurdy, who focused on working off of a photograph of the former president. In the photorealistic portrait, Obama is dressed in a black suit with a gray tie, and painted against a minimal white backdrop, a signature of McCurdy's artworks.
Binary images are also called bi-level or two-level. Pixel art made up of two colours is often referred to as 1-bit in reference to the single bit required to store each pixel. [2] The names black-and-white, B&W, monochrome or monochromatic are often used, but can also designate other image types with only one sample per pixel, such as ...
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Bust on display in the Oval Office on January 11, 2024. A bronze bust of Martin Luther King Jr. was made by African-American artist Charles Alston in 1970, two years after King was assassinated. Alston received a commission from the Reverend Donald S. Harrington, of the Community Church of New York, to create a bust of King for $5,000. Five ...