What is the full form of JPEG in computer?

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UP Police SI (दरोगा) Official PYP (Held On: 17 Nov 2021 Shift 3)
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  1. Joint Photographic Experts Group
  2. Joint Plagiarism Experts Group
  3. Joint Pixel Experts Group
  4. Joint Preprocessor Experts Group

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Option 1 : Joint Photographic Experts Group
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UP Police SI (दरोगा) Official PYP (Held On: 2 Dec 2021 Shift 1)
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The correct answer is Joint Photographic Experts Group.

Key Points

  • JPEG stands for Joint Photographic Experts Group, which is the name of the committee that created the standard in 1992.
  • It is a commonly used method of compressing digital images, especially for photographs, to reduce file size while maintaining image quality.
  • JPEG is a lossy compression format, meaning some data is discarded to achieve smaller file sizes.
  • This format is widely used in digital cameras, online image sharing, and web design due to its balance between quality and compression.
  • JPEG supports 24-bit color, allowing up to 16.7 million colors, making it suitable for realistic images and photographs.

Additional Information

  • Compression Types in JPEG:
    • Lossy Compression: Reduces file size by removing some image data, leading to a slight loss in quality, especially noticeable at higher compression levels.
    • Baseline JPEG: The standard JPEG format used universally for image compression.
  • Alternatives to JPEG:
    • PNG (Portable Network Graphics): A lossless compression format, ideal for images requiring transparency.
    • GIF (Graphics Interchange Format): Supports animations but uses a limited color palette (256 colors).
    • WebP: A modern image format that provides superior compression compared to JPEG and PNG.
  • Applications of JPEG:
    • Used in digital photography and image storage on devices like cameras, smartphones, and computers.
    • Widely used for online image sharing and web design due to its smaller file sizes.
    • Preferred for email attachments and social media uploads where bandwidth is a concern.
  • Limitations of JPEG:
    • Not suitable for images requiring transparency or high precision, such as logos or icons.
    • Repeated editing and saving of JPEG images can lead to cumulative quality loss due to its lossy nature.
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