Development of Low Power Image Compression Techniques

Pattnaik, Sunil Kumar (2006) Development of Low Power Image Compression Techniques. MTech by Research thesis.



Digital camera is the main medium for digital photography. The basic operation performed by a simple digital camera is, to convert the light energy to electrical energy, then the energy is converted to digital format and a compression algorithm is used to reduce memory requirement for storing the image. This compression algorithm is frequently called for capturing and storing the images. This leads us to develop an efficient compression algorithm which will give the same result as that of the existing algorithms with low power consumption. As a result the new algorithm implemented camera can be used for capturing more images then the previous one. 1) Discrete Cosine Transform (DCT) based JPEG is an accepted standard for lossy compression of still image. Quantisation is mainly responsible for the amount loss in the image quality in the process of lossy compression. A new Energy Quantisation (EQ) method proposed for speeding up the coding and decoding procedure while preserving image qu...

Item Type:Thesis (MTech by Research)
Uncontrolled Keywords:Digital camera, Quantisation
Subjects:Engineering and Technology > Electronics and Communication Engineering > Image Processing
Divisions: Engineering and Technology > Department of Electronics and Communication Engineering
ID Code:136
Deposited By:Shipra Awasthi
Deposited On:06 May 2009 23:47
Last Modified:06 May 2009 23:47
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Supervisor(s):Mahapatra, K K

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