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Photography 1
Photo I Final
| Question | Answer |
|---|---|
| 8-bit | refers to digital image quality produces 256 shades of gray |
| 16-bit | refers to digital image quality produces 65,000 shades of gray |
| 48-bit | related to image quality, refers to three color layers (RGB) that each contain 16-bits per channel |
| Resolution | related to the output in dpi that affects the printed image. This is built into the camera. 240 dpi yields an 8x12 image |
| Adjustment layers | layers allow you to make adjustments to the image without changing the original image file |
| Background | this is the original image file |
| Black & White | this is a layer that mask all of the color information from the original image |
| Levels | this layer allows manipulation of the tonal qualities of the image |
| Histogram | a graph that visually represents the 256 tonal gradations of the image |
| Gray slider | located on the value bar, this slider sets the midpoint of the values in relation to the histogram. moving this slider changes the overall exposure |
| Input end sliders | located on the value bar as the gray slider, these are used to increase the contrast of the image |
| Output end sliders | located below the value bar, these sliders are used to lower the contrast of the image |
| Curves | this layer allows for refinement of value and contrast of the different parts of the tonal scale |
| How can you lighten the overall exposure? | Levels- middle gray left Curves- B&W to the upper left corner |
| How can you darken the overall exposure? | Levels- middle gray right Curves- B&W to the lower right corner |
| How can you increase the overall contrast? | Levels- upper B&W to center Curves- B&W to vertical center |
| How can you decrease the overall contrast? | Levels- lower B&W to center Curves- B&W to horizontal center |
| How do you darken the lights? | Levels- lower white to center Curves- white to horizontal center |
| How do you lighten the darks? | Levels- lower black to center Curves- black to horizontal center |
| How to you darken/clip the darks? | Levels- upper black to center Curves- black to vertical center |
| How do you lighten/clip the lights? | Levels- upper white to center Curves- white to vertical center |
| How do you increase contrast of tonal selections? | Steepen the curve |
| How do you decrease the contrast of tonal selections? | Flatten the curve |
| What is resampling? | this is manipulating the dpi of an image to ensure proper printing |
| What is downsampling? | this refers to deleting dpi information associated with the image |
| What is upsampling? | this refers to increasing the dpi information associated with the image |
| What is digital spotting? | this is a process in which the image can be "cleaned up" of the dust specs or any other unwanted distractions |
| What is sharpening? | this process corrects the softening introduced by natural limitations of various capture devices |
| What is an unsharp mask? | this is the tool used to sharpen an image |
Created by:
Vipdesigner
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