Jpeg Feature

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˈdʒeɪpɛɡ ˈfiːtʃər/

Respectively puts forward the adaptability wider noise extraction method and simple calculation, high efficiency of JPEG compression feature extraction method.
JPEG Based Medical Image Feature Retrieval
Due to Wavelet transform based coding technology have become core of image coding standard such as JPEG 2000, so wavelet transform coefficient based feature description have get more and more attention.
Now, a large number of images are compressed by the JPEG format. Hence, the image decompression of inverse DCT is needed to retrieval these images, and then extract feature vectors in the pixel domain to retrieval images.
The feature matching results of different brightness transform images show that our descriptor has good brightness transformation invariance, and also get higher matching accuracy for images with zoom, JPEG compression transformation, all of these prove the effectiveness of our new descriptor.

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