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Effect of lossy data compression techniques on geometry and information content of satellite imagery
Data compression Satellite imagery JPEG Wavelets
2016/5/23
The recording and transfer rates of digital imaging systems can not keep abreast of the actual captured amount of data.Because the compression rates of standard loss-less techniques are still too low,...
EFFECTS OF JPEG2000 AND SPIHT COMPRESSION ON IMAGE CLASSIFICATION
JPEG2000 SPIHT Image compression Image classification assessment
2015/12/31
In the field of aerial/satellite remote sensing, the quality of data generated by remote sensing platforms is increasing at a significant rate and researches in image compression focus in two aspects:...
AN CBRSIR FEATURES COMPRESSION APPROACH BASED ON DPSO AND SVM
Feature Compression CBRSIR DPSO SVM
2015/12/30
The number of image features used by content-based remote sensing image retrieval (CBRSIR) system is not less than one hundred, and the image amount is very large, at the same time, the time cost is v...
An Improved Method of Remote Sensing Image Compression Based on Fractal and Wavelet Domain
Remote Sensing Technology Processing Compression Image Raster
2015/12/2
One of the efficient solutions for data transmission and storage of huge remote sensing images is the high-fidelity and rapid compression. The hybrid algorithms based on fractal coding and wavelet tra...
PREVENTION OF SPATIAL DATA COMPRESSION QUALITY DEGRADATION
Compression indexing Huffman blocking mobile
2015/9/28
Data indexing and compression procedures have enabled several significant advances in the application of spatial data. Data coverage, portability, transfer, multi-scale representation (pyramids), quer...
EFFECT OF WAVELET COMPRESSION ON THE AUTOMATIC CLASSIFICATION OF URBAN ENVIRONMENTS USING HIGH RESOLUTION MULTISPECTRAL IMAGERY AND LASER SCANNING DATA
Data Compression Wavelets Data fusion Classification
2014/12/31
This paper examines the influence of data fusion and wavelet compression on the automatic classification of urban environments. The principal data used is airborne Daedalus scanner imagery. Laser scan...
COMPRESSION AND DISTRIBUTION OF SNB SOFTCOPY ORTHOPHOTOMAP DATABASE
Digital Image Compression Orthophoto Testing Image Quality
2014/12/30
Service New Brunswick (SNB), a crown corporation operated by the province of New Brunswick, Canada, is at a very advanced stage of constructing a huge orthophotomap database which contains digital col...
IMAGE COMPRESSION VERSUS MATCHING ACCURACY
JPEG Wavelet and Fractal Compression Matching Accuracy Compression Ratio PSNR
2014/12/30
The improvements of aerial image scanners regarding the scan resolution and in particular the development of new digital cameras (e.g. the DMC of Z/I Imaging) comes along with the production of Gigaby...