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2. Image gradient - Wikipedia

   en.wikipedia.org/wiki/Image_gradient

   An image gradient is a directional change in the intensity or color in an image. The gradient of the image is one of the fundamental building blocks in image processing. For example, the Canny edge detector uses image gradient for edge detection. In graphics software for digital image editing, the term gradient or color gradient is also used ...

3. Schlieren photography - Wikipedia

   en.wikipedia.org/wiki/Schlieren_photography

   Schlieren photography is a process for photographing fluid flow. Invented by the German physicist August Toepler in 1864 to study supersonic motion, it is widely used in aeronautical engineering to photograph the flow of air around objects. The process works by allowing normally unobservable changes in a fluid's refractive index to be seen, [1 ...

4. Color gradient - Wikipedia

   en.wikipedia.org/wiki/Color_gradient

   In color science, a color gradient (also known as a color ramp or a color progression) specifies a range of position-dependent colors, usually used to fill a region. In assigning colors to a set of values, a gradient is a continuous colormap, a type of color scheme . In computer graphics, the term swatch [1] has come to mean a palette of active ...

5. Meet the photographer whose colorful food gradients has ...

   www.aol.com/lifestyle/2016-03-03-meet-the...

   Updated July 14, 2016 at 10:48 PM. Meet the photographer whose colorful food gradients has turned her into an Instagram phenomenon. Brittany Wright is more than just a food stylist, she is an ...

6. Painted photography backdrops - Wikipedia

   en.wikipedia.org/wiki/Painted_photography_backdrops

   From roughly 1860 to 1920 [1] [2] painted photography backdrops were a standard feature of early photography studios. Generally of rustic or quasi-classical design, but sometimes presenting a bourgeoisie trompe-l'œil, [3] they eventually fell out of fashion with the advent of the Brownie and Kodak cameras which brought photography to the ...

7. How to use Photoshop's Lens Blur tool for tilt-shift fakery ...

   www.engadget.com/2008-10-07-how-to-use-photo...

   Select the Gradient tool. In the toolbar, click the "Reflected Gradient" button: Choose black for your foreground color, and white for your background color. Make sure the gradient you're drawing ...