| Lossy Compression |
Lossless Compression |
| Lossy compression has more data-holding capacity. |
Lossless Compression has less data-holding capacity than Lossy compression technique. |
| Lossy compression is the method which eliminate the data which is not noticeable. |
While Lossless Compression does not eliminate the data which is not noticeable. |
| In Lossy compression, Data’s quality is compromised. |
But Lossless Compression does not compromise the data’s quality. |
| In Lossy compression, A file does not restore or rebuilt in its original form. |
While in Lossless Compression, A file can be restored in its original form. |
| Lossy compression reduces the size of data. |
But Lossless Compression does not reduce the size of data. |
| Lossy compression is used in Images, audio, video. |
Lossless Compression is used in Text, images, sound. |
| Lossy compression is also termed as irreversible compression. |
Lossless Compression is also termed as reversible compression. |
| Algorithms used in Lossy compression are: Transform coding, Discrete Cosine Transform, Discrete Wavelet Transform, fractal compression etc. |
Algorithms used in Lossless compression are: Run Length Encoding, Lempel-Ziv-Welch, Huffman Coding, Arithmetic encoding etc. |
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