Which of the following techniques is commonly used to adjust image brightness and contrast?
A). Color inversion
B). Histogram equalization
C). Sepia tone effect
D). Grayscale conversion
Which statement is true about the performance impact of image filters and effects using pixel manipulation?
A). They always improve performance
B). They have no impact on performance
C). They often reduce performance
D). Performance impact depends on image size
What is the primary purpose of using blending modes in image editing software?
A). To create animations
B). To adjust image colors
C). To blend layers and colors
D). To resize images
Which effect can be achieved by increasing the contrast between adjacent pixels?
A). Sharpening effect
B). Sepia tone effect
C). Color inversion effect
D). Blur effect
Which technique is commonly used to remove image noise and artifacts?
A). Sharpening effect
B). Histogram equalization
C). Gaussian blur effect
D). Color inversion effect
What is the purpose of applying color gradients in image editing?
A). To add texture
B). To blend colors and create transitions
C). To reduce image size
D). To add noise to images
What happens when the alpha channel value of a pixel is set to zero?
A). The pixel becomes transparent
B). The pixel becomes opaque
C). The pixel becomes white
D). The pixel becomes black
Which channel is primarily responsible for controlling image transparency?
A). Red channel
B). Green channel
C). Blue channel
D). Alpha channel
Which technique can be used to create a vignette effect in photography?
A). Adjusting image brightness
B). Blurring image edges
C). Adding color gradients
D). Applying a sepia tone effect
How can a pixelation effect be achieved in image processing?
A). By adjusting image brightness
B). By applying a blur effect
C). By reducing image resolution
D). By increasing image contrast