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Is GIF lossless or lossy?
GIF is a lossless compression introduced by CompuServe in 1987 using Lempel-Ziv-Welch (LZW) lossless data compression.
What is the need for compression?
motivation of lossless image compression
Are PNG files lossy or lossless?
Lossless. Compression techniques do not remove detail from the image.
What type of compression substitutes special characters for repeating patterns?
Lossless compression is the correct answer :)
Is a PICT a type of Lossy or Lossless compression file?
Pict files can use 2 different forms of compression. 1- RLE Compression (the default) is lossless. 2- JPEG compression (only on some systems/graphics programmes) is lossy.
Is TIFF lossy or lossless?
lossless
What can lossless definition mean for the quality of sound?
Lossless data compression preserves the full resolution of the sound, meaning that no sound quality is lost during the compression process. Sound files compressed with lossless software are an exact copy of their original.
How does compression affect the quality of a file?
That depends on the compression method used. There are some compression methods that are lossless, meaning that the original data can be 100% reconstructed. Zip files and similar methods use lossless compression.The compression used for images, photos, and video files is typically not lossless. Depending on the degree of compression achieved, there will be artifacts (imperfections) introduced in the data. A balance must be struck between the resulting file size and the degradation of the data.
How Compression affects the quality of the file?
That depends on the compression method used. There are some compression methods that are lossless, meaning that the original data can be 100% reconstructed. Zip files and similar methods use lossless compression.The compression used for images, photos, and video files is typically not lossless. Depending on the degree of compression achieved, there will be artifacts (imperfections) introduced in the data. A balance must be struck between the resulting file size and the degradation of the data.
Which of the following is considered a lossless format?
Here are some:RLELZMAMPEG-4 ALSMLPJPEG 2000PNGFor more please see the wikipedia article about lossless compression.
Where do you get the exact source code in C that implements lossless compression algorithm?
The source code, in C, will depend on what type of lossless compression algorithm will be used. A source code should be available from various computer scientists in your area.
What are the advantages of Huffman coding?
Algorithm is easy to implement Produce a lossless compression of images
