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 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
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
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
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 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 does the Gaussian blur effect primarily enhance in an image?
A). Edges and details
B). Image brightness
C). Image color saturation
D). Image noise
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
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
Which method is commonly used to manipulate individual pixels in an image?
A). alterPixel()
B). setPixel()
C). adjustPixel()
D). modifyPixel()