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 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
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
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
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 does the color depth of an image affect the quality of image filters and effects?
A). Higher color depth results in better quality
B). Lower color depth results in better quality
C). Color depth has no impact on quality
D). Color depth affects image size only
Which method is commonly used to manipulate individual pixels in an image?
A). alterPixel()
B). setPixel()
C). adjustPixel()
D). modifyPixel()
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 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