Remote sensing mineralization alteration information extraction based on PCA， Multilevel Segment Method， and SVM
نویسندگان
چکیده
为äºå©ç¨é¥æå½±åè¿è¡æ´å 精确çæ¾ç¿é¢æµï¼æ¬æéæ©æ°çä¸å¤©å±±å°¾äºå°åºASTERæ°æ®è¿è¡ç¿åèåä¿¡æ¯æåæ¹æ³ç 究ã为äºæé«ä¿¡æ¯æå精度ï¼æ¬ææåºäºç»å主æååæï¼PCAï¼ãå¤å°ºåº¦åå²åæ¯æåéæºï¼SVMï¼çé¥æç¿åèåä¿¡æ¯æåæ¹æ³ãé¦å ï¼åæASTERæ°æ®çç¹å¾ï¼éååç¿åèåä¿¡æ¯çç¹å¾æ³¢æ®µï¼å¯¹ç»å波段è¿è¡ä¸»æååæï¼è·å¾ä¸»åéå¾åï¼ç¶åï¼å¯¹å主åéå¾åè¿è¡å¤å°ºåº¦åå²ï¼å¹¶è·å¾åå²ä¹åçåå¼å¾åï¼æ¥çï¼æåè®ç»æ ·æ¬ï¼å©ç¨SVM对è®ç»æ ·æ¬è¿è¡è®ç»ï¼éç¨è¯éªæ¹æ³æ±å¾æä¼æ ¸åæ°åæ¾å¼åéï¼æé æä¼SVM模åï¼æåï¼è¿ç¨æä¼SVM模åå®æç¿åèåä¿¡æ¯çæåãè¿è¡ä¸»æååææ¶ï¼éæèåä¿¡æ¯éæ©Band 1ã2ã3ã4ç»åï¼Al-OHåºå¢èåä¿¡æ¯éæ©Band 1ã4ã6ã7ç»åï¼OHåCO32-åºå¢èåä¿¡æ¯éç¨Band 1ã2ã8ã9ç»åãå¨è¿è¡SVMæ¶éç¨äºåºåæå°ä¼åç®æ³ï¼SMOï¼è¿è¡æ±è§£ï¼é度æé«äº12%ãå®éªç»æ表æï¼ä¸æ³¢æ®µæ¯å¼æ³ã主æååææ³ååºäºå è°±è§åSVMçæ¹æ³ç3ç§æ¹æ³ç¸æ¯ï¼æ¬ææ¹æ³æåéæèåä¿¡æ¯ãAl-OHåºå¢èåä¿¡æ¯åOHåCO32-åºå¢èåä¿¡æ¯çæ»ä½ç²¾åº¦å¯è¾¾å°87.98%ã 90.01%å88.93%ï¼Kappaç³»æ°åå«ä¸º0.8011ã0.8134å0.8023ï¼ä¸æç¿åºå¸¦ãå·²ç¥ç¿ç¹åå·²æä¸åå°è´¨èæ¯æç¿ç¹å¾ç¸å ³æ§è¾å¥½ã
منابع مشابه
Impervious Surface Information Extraction Based on Hyperspectral Remote Sensing Imagery
The retrieval of impervious surface information is a hot topic in remote sensing. However, researches on impervious surface retrieval from hyperspectral remote sensing imagery are rare. This paper illustrates a case study of information extraction from urban impervious surfaces based on hyperspectral remote sensing imagery that is intended to improve the image spectral resolution of impermeable...
متن کاملObject-based Image Fusion Method Based on Wavelet and Pca for Remote Sensing Imagery
In this paper, a new object-based wavelet fusion technique is presented for the fusion of multispectral (MS) and panchromatic (PAN) images to improve spatial information and preserve spectral information. The basic idea is to build a segmented label image by statistical region merging and minimum heterogeneity rule (SRMMHR) segmentation method to guide the object-based image fusion (OBIF). Ther...
متن کاملExtraction Method for Earthquake-Collapsed Building Information Based on High-Resolution Remote Sensing
At present, the extraction of earthquake disaster information from remote sensing data relies on visual interpretation. However, this technique cannot effectively and quickly obtain precise and efficient information for earthquake relief and emergency management. Collapsed buildings in the town of Zipingpu after the Wenchuan earthquake were used as a case study to validate two kinds of rapid ex...
متن کاملHigh Efficient Classification on Remote Sensing Images Based on Svm
Automatic image categorization using low-level features is a challenging research topic in remote sensing application. In this paper, we formulate the image categorization problem as an image texture learning problem by viewing an image as a collection of regions, each obtained from image segmentation. Our approach performs an effective feature mapping through a chosen metric distance function....
متن کاملA Change Detection Method for Remote Sensing Image Based on Multi-feature Differencing Kernel Svm
Based on the support vector machine (SVM) tools and multiple kernel method, the combinations of kernel functions were mainly discussed. The construction method of image differencing kernel with multi-feature (spectral feature and textural feature) has been developed. Through this method and weighting of the categories’ samples, the improved SVM change detection model has been proposed, which co...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of remote sensing
سال: 2021
ISSN: ['1007-4619', '2095-9494']
DOI: https://doi.org/10.11834/jrs.20219091