Quiz 3

For the virtual camera, what are the position, orientation, focal length and film plan mean.

Which of the following statement is NOT true about Prewitt detector? A.  It detects the vertical and horizontal edges of an image.   B.  It is one of the best ways to detect the orientation and magnitude of an image.   C.  The magnitude of coefficient is fixed and cannot be changed   D.  Diagnoal direction edges are always preserved

Segmented mirrors sag under their own weight. Their optical shape must be controlled by computer-driven thrusters under the mirrors in what is called   a. an achromatic lens.   b. active optics.   c. a Schmidt-Cassegrain design.   d. a Newtonian design.   e. interferometry.

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# Computer Vision # Depth estimation

Question 14 Select the appropriate response What is the name of the phenomenon when both refraction and reflection combine and all light is reflected (change direction)? a semaphore signal index of refraction total internal reflection absorption Submit Response

Consider a room with world coordinate system U-V-W as shown. Two cameras are mounted in the room, forming a stereo pair. The world coordinate origin is in one corner of the room, with UV-W axes shown. The "Left" camera Cl is located at world coordinates (10,1,3) and it's xl-yl-zl axes are oriented as shown. The "Right" camera Cr is located at world coordinates (7.1,2) and its xr-yr-zr axes are oriented as shown. Both cameras have a focal length of 1. U (1) What is the 3x4 matrix that maps 3D points in world coordinates into 2D points in film plane coordinates (when points are represented as homogeneous coordinates), for the left camera CI? (2) What is the 3x3 essential matrix for the two cameras, treating them as a stereo pair where Cl is the "left camera" and Cr is the "right" camera?

how to get distance measurement from camera formula?

Assume that the given image is affected by Gaussian noise, Apply all the mean filters to remove the noise. f(x, y) = 102 103 102 106 106 102 104 104 105 101 102 102 102 104 103 106

I need the answer as soon as possible

Explain Aspect Ratio. How can it be determined? Why is the aspect ratio required to be changed when the shape of screen is changed (For example, from square to rectangle).

Problem Let's suppose that there are three frames overlapping each other at the beginning, namely {A}, {B} and {C}. Then, both frames {B} and {C} are translated by 5 centimeters in x and y axis directions and rotated rotated about z axis by 30 degrees in the counter-clockwise direction with respect to frame {A}. Finally, frame {C} is translated by 10 centimeters in the x axis direction and 20 centimeters in the y axis direction and rotated rotated about z axis by 60 degrees in the clockwise direction with respect to frame {B}. Given coordinates (4,-4) of point P with respect to frame {C}, determine the coordinates of point P with respect to frame {A}. NOTE: ATC= ATB. BTC Robotic

c). For making clear and efficient X-ray image what condition should be fulfilled?

Assume that a 10 m high structure is observed from a distance of 50 m. What is the size of the retinal image?

What happens if the quantization level is relatively small during image quantization? Why?

how to Identification of Image Angle using ProjectiveTransformation?

What kind of Image improvement will happen when Point operation used ? 170 190 185 40 180 60 178 132 145 56 130 70 91 178 89 170

Computer Science Given a 512 x 512 image that consists of a series of 8-pixel wide white, and 8-pixel wide dark lines, where each pixel is 0.1mm wide. What is the spatial frequency of the lines in lp/mm?

How may the Bayes Theorem be used to explain image resizer software? Computer science

무 Resize lect Fill Brushes Size Color Color Rotate Image Tools Shapes Col *-:Where is the location of the Fermi level in a semiconductor of P-type Near of conduction band O Near of valence and conduction band (D Near of valence band Between valence and conduction band O 980 x 367px H Size: 17.8KB

Which spatial filters do you use to reduce the noise if an image is corrupted by(i) salt and pepper noise only,(ii) Gaussian noise only,(iii) both salt and pepper noise and Gaussian noise.Give a single filter name as answer to each cases asked above.

Calculate what is the maximum viewing distance for a given setup to be able to distinguish all details: - diagonal of the display 2.1 m, - display ratio 4:3, - display resolution: 4K UHDTV. Write down all the calculations. NOTE: Pixel doesn't have to be a square.

Lighting methods Explain the three local shading methods Flat Shading, Gouraud Shading and Phong Shading. In each case, explain the calculation of the surface normals and the resulting image impression.

How to answer based on Digital Image Processing?

this is image analysis you need to write matlab code no built in function   include signal to noise ratio (SNR) , the Bit Rate and The Cpu time for predictor, quantizer, and coder   use any image as input