SEEM4133 MVS Topic 5 Quiz 1

What is the primary goal of image preprocessing?

• To suppress irrelevant information

• To convert images to 3D

• To increase image information content

• To enhance color saturation

Which of the following is NOT a category of image preprocessing methods?

• Color enhancement methods

• Geometric transformations

• Local neighborhood methods

• Pixel brightness transformations

What does histogram equalization aim to achieve?

• Uniform brightness distribution

• Increase contrast in dark areas

• Reduce image size

• Enhance color depth

Which interpolation method uses the nearest pixel value?

• Gaussian interpolation

• Nearest neighbor interpolation

• Bicubic interpolation

• Bilinear interpolation

What is the main disadvantage of median filtering?

• It blurs edges significantly

• It is computationally expensive

• It can damage thin lines and sharp corners

• It requires multiple images for effectiveness

What is the primary purpose of image smoothing in local pre-processing?

• Reduce noise

• Increase image brightness

• Enhance sharp edges

• Detect corners

Which method is used to highlight edges and rapid changes in intensity?

• Gradient Operators

• Non-linear Mean Filter

• Averaging

• Median Filtering

What is a challenge associated with image smoothing?

• Amplifying noise

• Enhancing brightness

• Blurring sharp edges

• Detecting corners

Which filtering technique is effective in removing impulse noise while preserving edges?

• Butterworth Filter

• Median Filtering

• Gaussian Filter

• Averaging Filter

What is the main characteristic of non-linear mean filters?

• They can use ordered statistics

• They replace pixels with the average value

• They use constant weights

• They depend on specific applications