搜索结果: 1-15 共查到“测绘科学技术 compression”相关记录26条 . 查询时间(0.109 秒)
ESTIMATE OF DTM DEGRADATION DUE TO IMAGE COMPRESSION FOR THE STEREO CAMERA OF THE BEPICOLOMBO MISSION
Space Photogrammetry DTM Reconstruction Accuracy Area-based Image Matching Compression
2016/11/8
The great amount of data that will be produced during the imaging of Mercury by the stereo camera (STC) of the BepiColombo mission needs a compromise with the restrictions imposed by the band downlink...
COMPARISON OF OPEN SOURCE COMPRESSION ALGORITHMS ON VHR REMOTE SENSING IMAGES FOR EFFICIENT STORAGE HIERARCHY
Lossless Data Compression LZMA LZO BWT PPMd GeoTIFF VHR SPOT open source
2016/11/8
High resolution level in satellite imagery came with its fundamental problem as big amount of telemetry data which is to be stored after the downlink operation. Moreover, later the post-processing and...
COMPRESSION AND PROGRESSIVE RETRIEVAL OF MULTI-DIMENSIONAL SENSOR DATA
Continuous Phenomena Discrete Observations Binary Space Partitioning
2016/7/8
Since the emergence of sensor data streams, increasing amounts of observations have to be transmitted, stored and retrieved. Performing these tasks at the granularity of single points would mean an in...
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...
Compression Specifications for Efficient Use of High Resolution Satellite Data
Compression high resolution optical JPEG 2000 data transfer
2015/12/17
For an efficient usage and distribution of high resolution satellite images, several problems need to be solved. The issue comes with the increasing size of these data. Constraints are different...
The Selection of Reversible Integer-to-Integer Wavelet Transforms for DEM Multi-Scale Representation and Progressive Compression
DEM Multi-scale Representation Compression Geographical Services Web Based
2015/12/16
In web based GIS visual simulation systems, the DEM multi-scale presentation and lossy-to-lossless progressive compression and transmission based on integer-to-integer wavelet transforms can eliminate...
Global Terrain Data Organization and Compression Methods
Multi-resolution terrain model Global terrain data Improved SPIHT wavelet
2015/12/16
Terrain data is important data source in the 3D geographic visualization system. The key problem to browse global terrain data in
network environment is to organize, transform and display data in a q...
A Detail Preserved Compression Based on Contourlet Transform
Wavelet Based Contourlet Transform Detail Preserving Directional Decomposition Bitplane Coding
2015/12/11
It is well known that the commonly used separable extensions of one-dimensional transforms, such as the wavelet transform, have limitations in capturing the geometry of image edges. But natural scene ...
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...
3D WAVELET COMPRESSION TO MULTIPLE BAND REMOTE SENSING IMAGES BASED ON EDGE RESERVATION
3D Wavelet Transformation Remove Correlation
2015/7/29
In this paper, a practical quasi-lossless compression concept and corresponding compression ratio and quality requirements are
proposed for the multiple band images database construction and web rel...
Measurement of Human Skin Compression Dynamically Using An automated Photogrammetric Technique
Automatic target reading stereo matching dot target projection
2015/7/14
This paper describes the procedure used to measure human tissue compression and distortion at a dynamic rate. This is part of an
ongoing research program on skin tissue and is set up to monitor capil...
CONTENT-BASED COMPRESSION IN AERIAL IMAGING USING INTER-COLOR CORRELATION
Compression Aerial Content-based
2015/6/2
The high regional correlation between the R, G, B components of color aerial imaging is used as a basis for a new coding technique.
In this work we approximate subordinate colors in smooth segmented...