Computer Vision - Quiz 1

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