1. The histogram of a digital image with gray levels in the range [0, L-1] is represented by a discrete function: A. h(r_k)=n_k B. h(r_k )=n/n_k C. p(r_k )=n_k D. h(r_k )=n_k/n 2. How is the expression represented for the normalized histogram? A. p(r_k )=n_k B. p(r_k )=n_k/n C. p(r_k)=nn_k D. p(r_k )=n/n_k 3. Which of the following conditions …
1. What is accepting or rejecting certain frequency components called? A. Filtering B. Eliminating C. Slicing D. None of the Mentioned 2. A filter that passes low frequencies is _____________ A. Bandpass filter B. High pass filter C. Low pass filter D. None of the Mentioned 3. What is the process of moving …
1. Which of the following makes an image difficult to enhance? A. Narrow range of intensity levels B. Dynamic range of intensity levels C. High noise D. All of the mentioned 2. Which of the following is a second-order derivative operator? A. Histogram B. Laplacian C. Gaussian D. None of the mentioned 3. …
1. Which of the following is the primary objective of sharpening an image? A. Blurring the image B. Highlight fine details in the image C. Increase the brightness of the image D. Decrease the brightness of the image 2. Image sharpening process is used in electronic printing. A. True B. False 3. In …
1. Which of the following expression is used to denote spatial domain process? A. g(x,y)=T[f(x,y)] B. f(x+y)=T[g(x+y)] C. g(xy)=T[f(xy)] D. g(x-y)=T[f(x-y)] 2. Which of the following shows three basic types of functions used frequently for image enhancement? A. Linear, logarithmic, and inverse law B. Power-law, logarithmic, and inverse law C. Linear, logarithmic and power-law …
1. Noise reduction is obtained by blurring the image using a smoothing filter. A. True B. False 2. What is the output of a smoothing, linear spatial filter? A. Median of pixels B. Maximum of pixels C. Minimum of pixels D. Average of pixels Answer: D The output or response of smoothing, the linear …
1. To convert a continuous sensed data into Digital form, which of the following is required? A. Sampling B. Quantization C. Both Sampling and Quantization D. Neither Sampling nor Quantization 2. To convert a continuous image f(x, y) to digital form, we have to sample the function in __________ A. Coordinates B. Amplitude` C. …
1. How is array operation carried out involving one or more images? A. array by array B. pixel by pixel C. column by column D. row by row 2. The property indicating that the output of a linear operation due to the sum of two inputs is the same as performing the operation on …
1. Of the following, _________ has the maximum frequency. A. UV Rays B. Gamma Rays C. Microwaves D. Radio Waves 2. In the Visible spectrum the ______ color has the maximum wavelength. A. Violet B. Blue C. Red D. Yellow 3. Wavelength and frequency are related as : (c = speed of light) …
1. The most familiar single sensor used for Image Acquisition is A. Microdensitometer B. Photodiode C. CMOS D. None of the Mentioned 2. A geometry consisting of an in-line arrangement of sensors for image acquisition A. A photodiode B. Sensor strips C. Sensor arrays D. CMOS 3. CAT in imaging stands for A. …
