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Recent questions tagged computer-graphics
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Computer Science - UGC NET 2021 [ Question ID = 2339 ]
Suppose a Bezier curve P(t) is defined by the following four control points in the xy - plane : P0 = (-2,0); P1 = (-2,4); P2 = (2,4); and P3 = (2,0). Then which of the following statements are correct ? Bezier curve P(t) has ... . Choose the correct answer from the options given below : 1 and 2 only. 1 and 3 only. 2 and 3 only. 1, 2, and 3.
rajeshposts
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in
Computer Graphics
Aug 27, 2023
by
rajeshposts
273
views
computer-graphics
0
votes
0
answers
2
Computer Science - UGC NET 2021 [ Question ID = 2340 ]
Given below are two statements : Statement I: The maximum number of sides that a triangle might have when clipped to a rectangular viewport is 6. Statement II: In 3D graphics, the perspective transformation is nonlinear in z. In light ... are false. Statement I is true but Statement II is false. Statement I is false but Statement II is true.
rajeshposts
asked
in
Computer Graphics
Aug 27, 2023
by
rajeshposts
253
views
computer-graphics
1
vote
3
answers
3
Computer Science - UGC NET 2021 [ Question ID = 2338 ]
What is the transformation matrix M that transforms a square in the xy plane defined by (1, 1), (-1, 1), (-1, -1), (1, -1) to a parallelogram whose corresponding vertices are (2, 1), (0,1), (-2, -1), and (0, -1) ? 1 1 0 0 1 0 0 0 1 1 0 0 1 1 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 0 1 1 0 0 0 1
rajeshposts
asked
in
Computer Graphics
Jul 30, 2023
by
rajeshposts
503
views
computer-graphics
1
vote
0
answers
4
DRDO CSE 2022 Paper 2 | Question: 30
Given an input image of size $230 \times 230$ with convolution filter of size $5 \times 5$ and stride $3$. What would be the size of the output?
admin
asked
in
Computer Graphics
Dec 15, 2022
by
admin
353
views
drdocse-2022-paper2
computer-graphics
5-marks
descriptive
0
votes
1
answer
5
UGC NET CSE | October 2020 | Part 2 | Question: 46
In the context of $3D$ Computer graphics, which of the following statements is/are correct? Under perspective projection, each set of parallel lines in the object do not stay parallel in the image (except those that are parallel to the viewplane to start with). Applying a ... $(iii)$ only $(ii)$ and $(iii)$ only $(i)$, $(ii)$ and $(iii)$
go_editor
asked
in
Computer Graphics
Nov 20, 2020
by
go_editor
1.6k
views
ugcnetcse-oct2020-paper2
non-gate
computer-graphics
0
votes
0
answers
6
UGC NET CSE | October 2020 | Part 2 | Question: 47
Concerning phong shading and Gouraud shading in a $3\text{D}$ scene, which of the following statements are true? Gouraud shading requires more computation than phong shading Gouraud shading linearly interpolates the color of an interior pixel from the color at the vertices Phong ... $(iii)$ only $(ii)$ and $(iii)$ only $(i), (ii)$ and $(iii)$
go_editor
asked
in
Computer Graphics
Nov 20, 2020
by
go_editor
1.1k
views
ugcnetcse-oct2020-paper2
non-gate
computer-graphics
0
votes
1
answer
7
UGC NET CSE | October 2020 | Part 2 | Question: 66
Match $\text{List I}$ with $\text{List II}$. $\text{List I}$ gives $3 \times 3$ matrices representing $2D$ transformations and $\text{List II}$ shows the corresponding transformation diagrams. Choose the correct answer from the options given below: $A-IV, B-II, C-III, D-I$ $A-IV, B-III, C-II, D-I$ $A-III, B-II, C-IV, D-I$ $A-II, B-IV, C-III, D-I$
go_editor
asked
in
Computer Graphics
Nov 20, 2020
by
go_editor
1.2k
views
ugcnetcse-oct2020-paper2
non-gate
computer-graphics
0
votes
1
answer
8
UGC NET CSE | October 2020 | Part 2 | Question: 76
Given below are different properties of $3\text{D}$ projections from $\text{A-D}$. Identify the correct order on the basis of property true of $\text{(i)}$ a perspective projection only, $\text{(ii)}$ an orthographic projection only, $\text{(iii)}$ both ... $\text{ii,iii,iv,i}$ $\text{iv,iii,i,ii}$ $\text{iii,iv,ii,i}$
go_editor
asked
in
Computer Graphics
Nov 20, 2020
by
go_editor
1.1k
views
ugcnetcse-oct2020-paper2
non-gate
computer-graphics
0
votes
1
answer
9
UGC NET CSE | October 2020 | Part 2 | Question: 82
Given below are two statements: Statement $I$: Bezier curves are curves that interpolate all of their control points Statement $II$: A cubic bezier curve has four control points In the light of the above statements, choose the correct answer ... $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true
go_editor
asked
in
Computer Graphics
Nov 20, 2020
by
go_editor
1.4k
views
ugcnetcse-oct2020-paper2
non-gate
computer-graphics
0
votes
2
answers
10
UGC NET CSE | January 2017 | Part 3 | Question: 16
Below are the few steps given for scan-converting a circle using Bresenham’s Algorithm. Which of the given steps is not correct? Compute $d= 3-2r$ (where $r$ is radius) Stop if $x>y$ If $d< 0$, then $d=4x+6$ and $x=x+1$ If $d\geq 0$, then $d=4 \ast(x-y)+10, \: x=x+1$ and $y=y+1$
go_editor
asked
in
Computer Graphics
Mar 24, 2020
by
go_editor
1.1k
views
ugcnetcse-jan2017-paper3
non-gate
computer-graphics
0
votes
3
answers
11
UGC NET CSE | January 2017 | Part 3 | Question: 17
Which of the following is/are side effects of scan conversion? Aliasing Unequal intensity of diagonal lines Overstriking in photographic applications Local or Global aliasing $\text{i and ii}$ $\text{i,ii and iii}$ $\text{i,iii and iv}$ $\text{i,ii,iii and iv}$
go_editor
asked
in
Computer Graphics
Mar 24, 2020
by
go_editor
2.2k
views
ugcnetcse-jan2017-paper3
non-gate
computer-graphics
0
votes
3
answers
12
UGC NET CSE | January 2017 | Part 3 | Question: 18
Consider a line $AB$ with $A=(0,0)$ and $B=(8,4)$. Apply a simple $DDA$ algorithm and compute the first four plots on this line. $[(0,0),(1,1),(2,1),(3,2)]$ $[(0,0),(1,1.5),(2,2),(3,3)]$ $[(0,0),(1,1),(2,2.5),(3,3)]$ $[(0,0),(1,2),(2,2),(3,2)]$
go_editor
asked
in
Computer Graphics
Mar 24, 2020
by
go_editor
2.7k
views
ugcnetcse-jan2017-paper3
non-gate
computer-graphics
0
votes
1
answer
13
KPGCET-CSE-2019-19
In the parallel projection, the picture definition of the window to the view port, the parallel projection lines are Parallel to the viewport Perpendicular to the viewport Parallel to the window Perpendicular to the window
gatecse
asked
in
Computer Graphics
Aug 4, 2019
by
gatecse
345
views
kpgcet-cse-2019
non-gate
computer-graphics
1
vote
3
answers
14
UGC NET CSE | July 2018 | Part 2 | Question: 8
A graphic display system has a frame buffer that is 640 pixels high , 480 pixels high and 1 bit of color depth. If the access time for each pixel on the average is 200 nanoseconds, then the refresh rate of this frame buffer is approximately: 16 frames per second 19 frames per second 21 frames per second 23 frames per second
Pooja Khatri
asked
in
Computer Graphics
Jul 13, 2018
by
Pooja Khatri
8.4k
views
ugcnetcse-july2018-paper2
computer-graphics
0
votes
3
answers
15
UGC NET CSE | July 2018 | Part 2 | Question: 9
Which of the following statements is/are True regarding the solution of the visibility problem in 3D graphics? S1: The painter's algorithm sorts polygons by depth and then paints (scan - converts) each Polygon on to the screen ... Culling refers to eliminating geometry with backfacing normals S1 only S2 only Both S1 and S2 Neither S1 nor S2
Pooja Khatri
asked
in
Computer Graphics
Jul 13, 2018
by
Pooja Khatri
3.3k
views
ugcnetcse-july2018-paper2
computer-graphics
3d-graphics
3
votes
3
answers
16
UGC NET CSE | July 2018 | Part 2 | Question: 10
Consider the matrix $M=\begin{bmatrix} 2 & 0 & 2 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}$ representing a set of planar (2D) geometric transformations in homogeneous coordinates. Which of the following statements ... of parameters (-1,1) M represents first, a shearing of parameters (-1, 1) followed by scaling of vector (3,1)
Pooja Khatri
asked
in
Computer Graphics
Jul 13, 2018
by
Pooja Khatri
5.5k
views
ugcnetcse-july2018-paper2
computer-graphics
2d-geometry
2
votes
1
answer
17
ISRO2018-39
Perform window to viewport transformation for the point (20,15). Assume that $(X_{wmin}\ ,Y_{wmin} )$ is $(0,0)$ ; $(X_{wmax}\ ,Y_{wmax} )$ is $(100,100)$ ; $(X_{vmin}\ ,Y_{vmin} )$ is $(5,5)$ ; $(X_{vmax}\ ,Y_{vmax} )$ is $(20,20)$ . The value of $x$ and $y$ in the viewport is $x=4,y=4$ $x=3,y=3$ $x=8,y=7.25$ $x=3,y=4$
Arjun
asked
in
Computer Graphics
Apr 22, 2018
by
Arjun
5.4k
views
isro2018
non-gate
normal
computer-graphics
0
votes
0
answers
18
Graphics
I have a confusion that how the Gpu internal memory different from primary memory in the sense when which of the memory is active. For example suppose i am doing GPU programming or playing a video game then primary memory plays a role or only GPU memory. Suppose I increased my RAM without touching GPU will there be any improvement in my Gpu programming or my video games.
Na462
asked
in
Computer Graphics
Mar 15, 2018
by
Na462
531
views
computer-graphics
1
vote
1
answer
19
UGC NET CSE | November 2017 | Part 3 | Question: 18
The three aspects of Quantization, programmers generally concerned with are Coding error, Sampling rate and Amplification Sampling rate, Coding error and Conditioning Sampling rate, Aperture time and Coding error Aperture time, Coding error and Strobing
Arjun
asked
in
Computer Graphics
Nov 5, 2017
by
Arjun
1.2k
views
ugcnetcse-nov2017-paper3
computer-graphics
digital-image-processing
1
vote
2
answers
20
UGC NET CSE | November 2017 | Part 3 | Question: 15
With respect to CRT, the horizontal retrace is defined as The path an electron beam takes when returning to the left side of the CRT The path an electron beam takes when returning to the right side of the CRT The technique of turning, the electron beam off while retracing The technique of turning, the electron beam on/ off while retracing
Arjun
asked
in
Computer Graphics
Nov 5, 2017
by
Arjun
2.2k
views
ugcnetcse-nov2017-paper3
computer-graphics
crt
1
vote
1
answer
21
UGC NET CSE | November 2017 | Part 3 | Question: 14
Which of the following is not true in case of Oblique Projections? Parallel projection rays are not perpendicular to the viewing plane Parallel lines in space appear parallel on the final projected image Used exclusively for pictorial purposes rather than formal working drawings Projectors are always perpendicular to the plane of projection
Arjun
asked
in
Computer Graphics
Nov 5, 2017
by
Arjun
3.9k
views
ugcnetcse-nov2017-paper3
computer-graphics
projection
1
vote
1
answer
22
UGC NET CSE | November 2017 | Part 3 | Question: 13
Which of the following is not a component of Memory tube display? Flooding gun Collector Ground Liquid Crystal
Arjun
asked
in
Computer Graphics
Nov 5, 2017
by
Arjun
1.7k
views
ugcnetcse-nov2017-paper3
computer-graphics
1
vote
0
answers
23
The reflection along the line y=x is equivalent to reflection along the X-axis followed by counter clockwise rotation
rahuldb
asked
in
Computer Graphics
Nov 30, 2016
by
rahuldb
4.2k
views
non-gate
computer-graphics
–7
votes
0
answers
24
Show that the composition of two rotations is additive by concatenating the matrix
Show that the composition of two rotations is additive by concatenating the matrix representations for R(theta 1) and R(theta 2) to obtain R(theta 1) x R(theta 2) = R(theta 1 + theta 2)
rahuldb
asked
in
Computer Graphics
Nov 30, 2016
by
rahuldb
5.2k
views
non-gate
computer-graphics
–6
votes
0
answers
25
Scan convert an Eclipse with given Eclipse parameters : Rx = 6 and Ry = 4
Scan convert an Eclipse with given Eclipse parameters : Rx = 6 and Ry = 4 Please show the working.
rahuldb
asked
in
Computer Graphics
Nov 30, 2016
by
rahuldb
389
views
non-gate
computer-graphics
–3
votes
0
answers
26
Scan convert a circle with radius 9.5 and centerd at origin using Mid Point Circle Algorithm
Scan convert a circle with radius 9.5 and centerd at origin using Mid Point Circle Algorithm Please show working.
rahuldb
asked
in
Computer Graphics
Nov 30, 2016
by
rahuldb
511
views
non-gate
computer-graphics
1
vote
0
answers
27
A polygon has 4 vertices located a A(25, 10),B(50, 10),C(60, 30),D(20 ,30)....
A polygon has 4 vertices located a A(25, 10),B(50, 10),C(60, 30),D(20 ,30).Specify the transformation matrix required to double the size of the polygon with point A located at the same position.
rahuldb
asked
in
Computer Graphics
Nov 30, 2016
by
rahuldb
3.1k
views
non-gate
computer-graphics
0
votes
1
answer
28
How long it would take to load a 512 x 480 frame buffer with 12 bits per pixel....
How long it would take to load a 512 x 480 frame buffer with 12 bits per pixel,if 1000 bits can be transferred per second?
rahuldb
asked
in
Computer Graphics
Nov 29, 2016
by
rahuldb
2.5k
views
computer-graphics
non-gate
1
vote
2
answers
29
UGC NET CSE | August 2016 | Part 3 | Question: 18
The Liang-Barsky line clipping algorithm uses the parametric equation of a line from $(x_{1} , y_{1} )$ to $(x_{2} , y_{2} )$ along with its infinite extension which is given as : $x = x_{1} + \Delta x.u$ $y = y_{1} + \Delta y.u$ ... as : $(0, \frac{2}{3})$ $\left(\frac{1}{6},\frac{5}{6}\right)$ $(0, \frac{1}{3})$ $(0, 1)$
makhdoom ghaya
asked
in
Computer Graphics
Sep 30, 2016
by
makhdoom ghaya
3.8k
views
ugcnetcse-aug2016-paper3
computer-graphics
line-drawing-algorithm
1
vote
1
answer
30
UGC NET CSE | August 2016 | Part 3 | Question: 17
In perspective projection (from 3D to 2D), objects behind the centre of projection are projected upside down and backward onto the view-plane. This is known as _____. Topological distortion Vanishing point View confusion Perspective foreshortening
makhdoom ghaya
asked
in
Computer Graphics
Sep 30, 2016
by
makhdoom ghaya
2.2k
views
ugcnetcse-aug2016-paper3
computer-graphics
projection
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