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SkillsUSA Digital Photography Troubleshooting/Flaws
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SkillsUSA Digital Photography Troubleshooting/Flaws
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25 Questions

1.
The appearance of white lines along the edges of an object. When you look in detail, you will see little artifacts from the sharpening process begin to appear.

2.
A bright line that can appear in areas of high contrast on a photo when the photo has been subjected to very heavy amounts of editing, particularly HDR editing.

3.
This is the term for an unfocused purple or magenta 'ghost' image on a photograph.

4.
When a cartridge or a color is empty enough, then some or all of the nozzles are filled with air which will block ink flow. This can result in missing or deflecting nozzles, as well as weird black marks on photos.

5.
In digital photography, this is the term used to describe a signal charge from extremely bright pixels that results in over-saturated pixels.

6.
An apparent difference or displacement in the position of an object when viewed along two different line of sights. As the viewfinder is often found above the lens of the camera, photos with parallax error are often slightly lower than intended, the classic example being the image of person with his or her head cropped off.

7.
Caused by compression when an image is saved in the .jpg format. Each time an image is saved in this format it is compressed and non-essential data is discarded. The result is that an image can suffer from blockiness, mosquito noise and color degradation.

8.
Objects appearing broken or distorted.

9.
Also known as 'color fringing' or 'purple fringing', is a common optical problem that occurs when a lens is either unable to bring all wavelengths of color to the same focal plane, and/or when wavelengths of color are focused at different positions in the focal plane.

10.
If the light in the image was Tungsten (3000K) or Daylight (5500K) they would post produce with a white balance of 2800K or 5300K respectively. Any temperature setting lower than the color temperature of the light in a scene, will yield a more blue or 'cooler' image.

11.
A uniform bumping up the intensity of all colors in your shot, regardless of the starting point of the colors.

12.
Caused by compression when an image is saved in the .jpg format. Each time an image is saved in this format it is compressed and non-essential data is discarded. The result is that an image can suffer from blockiness, mosquito noise and color degradation.

13.
Refers to the loss of smooth gradations of tone and color in an image.

14.
Random variation of brightness or color information in images.

15.
Refers to a white-looking or washed-out image.

16.
The process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your photo.

17.
Refers to an image where too little light was recorded.

18.
A form of distortion that occurs when two elements of the signal being processed to form a digital image become indistinguishable from one another.

19.
One of the most annoying digital-specific image problems that can appear in areas of solid color, such as skies and studio backgrounds. Typically occurs when a color is graduated across a number of shades—like light blue to dark blue in a sky.

20.
Combination of the barrel and pincushion distortion. Straight lines appear curved inwards towards the center of the frame, then curve outwards at the extreme corners.

21.
A smart-tool which cleverly increases the intensity of the more muted colors and leaves the already well-saturated colors alone. It prevents skin tones from becoming overly saturated and unnatural.

22.
Straight lines are curved outwards from the center.

23.
An issue in image stitching, such as for panoramas.

24.
Straight lines are curved inwards from the center.

25.
Also known as 'posterizing' or 'quantization noise' and refers to the creation of false edges or outlines where the original scene had none. It happens because of reduction in gray levels of an image. .