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
How can a sepia tone effect be achieved using pixel manipulation techniques?
A). By increasing color saturation
B). By adjusting RGB channel values
C). By decreasing image brightness
D). By applying a blur effect
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 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
What is the purpose of applying image filters and effects using pixel manipulation techniques?
A). To increase image resolution
B). To enhance image appearance
C). To reduce image size
D). To add text to images
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
Which method is commonly used to manipulate individual pixels in an image?
A). alterPixel()
B). setPixel()
C). adjustPixel()
D). modifyPixel()
Which effect can be achieved by setting all RGB channels of a pixel to the same value?
A). Sepia tone effect
B). Blur effect
C). Grayscale conversion
D). Color inversion effect
What is the purpose of the blur effect in image processing?
A). To enhance image edges
B). To reduce image noise
C). To soften and blend image details
D). To increase image contrast