image compression
Definition
Noun: - The process of reducing the file size of a digital image: This involves applying algorithms to decrease the amount of data required to represent the image, aiming to minimize storage space or transmission bandwidth while attempting to preserve acceptable visual quality.
Usage
"Image compression" is a technical term used in computing, digital media, and telecommunications. It is typically used as a non-count noun to describe the general concept or technology. - Modern websites rely heavily on image compression to ensure fast loading times. - The software uses advanced image compression to reduce the size of your photo library.
Advanced Usage
- "Lossy image compression": A compression method that permanently removes some image data to achieve very small file sizes, often used for photographs (e.g., JPEG format).
- For web use, lossy image compression provides a good balance of quality and file size.
- "Lossless image compression": A compression method that reduces file size without any loss of quality, allowing the original image to be perfectly reconstructed (e.g., PNG format).
- Archiving important diagrams requires lossless image compression.
Variants and Related Words
- Compress (verb): To make something smaller or more compact, especially data.
- You should compress the images before emailing them.
- Decompression (noun): The process of restoring compressed data to its original form.
- The decompression of the image file happens automatically when you open it.
Synonyms
- Data compression for images: A more general phrase.
- Picture compression: An informal synonym.
Related Phrases
- Compression ratio: A measure expressing the reduction in data size.
- A higher compression ratio often means more data has been removed.
- Compression algorithm: The specific set of rules or calculations used to perform compression.
- This new compression algorithm is much more efficient.
Noun
-
the compression of graphics for storage or transmission
