WorksheetsComputer Vision - Quiz 1
Total questions: 15
Worksheet time: 3mins
What is the smallest unit of an image?
1 sq. mm
DPI
Pixel
Point
Which of the following combination of colors can be used to represent almost any color in electronic systems?
Yellow-Red-Green
Blue-White-Green
Red-Yellow-White
Green-Red-Blue
A translation is applied to an object by
Enlarging the object
Shrinking the object
Repositioning it along with straight line path
Repositioning it along with circular path
The two-dimensional translation equation in the matrix form is
P’=P+T
P’=P-T
P’=P*T
P’=p
The axis that is perpendicular to the xy plane and passes through the pivot point is known as
Translation
Rotation
Scaling
Shearing
In controllable interaction user can change the attributes of the ____________.
Images
Widgets
Videos
Audios
If the direction of the projection is normal then it is called as __________
Perspective Projection
Orthographic parallel projection
Oblique parallel projection
Ortho-Oblique Projection
A _______ can be recorded using a normal light source
Holograph
Sonograph
Holography
Photograph
The translation distances (dx, dy) is called as
Augmented vector
Shift vector
Shear vector
Scaling vector
In 2D-translation, a point (x, y) can move to the new position (x’, y’) by using which of the following equation
x’=x+dx and y’=y+dx
x’=x+dx and y’=y+dy
X’=x+dy and Y’=y+dx
X’=x-dx and y’=y-dy
To generate a rotation, we must specify
Distances dx and dy
Rotation angle ϴ
Rotation distance
Plane of the object
Which transformation distorts the shape of an object such that the transformed shape appears as if the object were composed of internal layers that had been caused to slide over each other?
Rotation
Scaling up
Scaling down
Shearing
Which of the following is defined as the process of elimination of parts of a scene outside a window or a viewport?
clipping
cutting
plucking
editing
Which of the following operations can be used to zoom in or out around any axis on a three-dimensional object from its original position?
Rotation
Shearing
Scaling
Translation
If the scaling factors values sx and sy < 1 then
It reduces the size of the object
It increases the size of the object
It stunts the shape of the object
It produces mirror image of the object
