Pre-Requisite Quiz_22EC634_2025_Even

What is a digital image?

• A function of continuous spatial coordinates

• A two-dimensional function with discrete spatial coordinates and intensity values

• A function with infinite amplitude variations

• An analog signal

What does the term 'resolution' refer to in digital imaging?

• The total number of colors in an image

• The number of bits used to represent each pixel

• The amount of detail an image holds, typically measured in pixels per unit area

• The speed at which an image is processed by a computer

Which of the following is considered a low-level image processing task?

• Image segmentation

• Object recognition

• Scene interpretation

• Contrast enhancement

What is the purpose of mid-level image processing?

• To improve image quality

• To extract meaningful attributes from an image

• To perform cognitive functions like decision-making

• To create synthetic images

Newspaper picture transmission was one of the earliest applications of digital image processing?

• True

• False

Which of the following operations is NOT commonly performed on 2D signals?

• Convolution

• Fourier Transform

• Eigenvalue decomposition

• Sampling

Which transform is commonly used for image frequency analysis?

• Fourier Transform

• Wavelet Transform

Which of the following is a type of spatial domain filtering?

• High pass filter

• Low pass filter

• Both filters

Which type of spatial filter enhances edges and details in an image?

• Gaussian filter

• Laplacian filter

• Both of them

• None of them

Which type of frequency filter removes high-frequency components, making the image smoother?

• High-pass filter

• Low-pass filter

• Band-pass filter