UNIT 4 Image Compression

1. In which of the following compression data upon decompression doesn’t lose its detail?

• a) Lossy

• b) JPG

• c) Lossless

• d) BMP

2. What is the full form of JPEG?

• a) Joint Pressure Expert Group

• b) Joint Photographic Expert Group

• c) Joint Picture Expert Group

• d) Join Pic Expert Group

3. Which type of compression does GIF use?

• a) Data

• b) LZW (Lempel – Ziv – Welch)

• c) Lossy

• d) Energy

4. Which of the following is termed as reducing image data?

• a) Luminance

• b) Compression

• c) Hue

• d) Saturation

5. How many bits per pixel per color do a BMP (Bitmap image) uses, which matches the resolution of most monitors?

• a) 8

• b) 32

• c) 16

• d) 64