image and signal processing for remote sensing xvi

... cations; howev er, simple band-pass filtering can allevi ate the pro blem in man y case s. The refore, a band-pass filter with a pass band betwee n 1 and 49 Hz (for signal s samp led at 100 Hz) ... whic h is a mixtur e of the desire d comp onent and possi bly other unwa nted signal s and noise. Therefor e, when the PSDs are comp uted for a set of signal s in a defin ed class there will be spect ... S.W., The Scientist and Engineer’s Guide to Digital Signal Processing, California Technical Publishing, San Diego, CA, 1997 32 Hanley, J.A and McNeil, B.J., The meaning and use of the area

Ngày tải lên: 12/08/2014, 03:21

... origin al signal subsp aceand YSignal repres ents eithe r the estimated signal subspace YSignal obt ained using SVD orthe estimate d signal subsp ace ~YSignal obt ained usin g SVD–I CA For the ... of thewaves As in the matrix processing approach, preprocessing is needed to ensure low rank ofthe signal subspace and to ensure good results for a subspace-based processing method.Thus, a velocity ... 2D signals Before stacking and interpretation, part of the processing is used to suppress unwanted coherent signals like multiple waves, ground-roll (surfacewaves), refracted waves, and also to

Ngày tải lên: 12/08/2014, 03:21

... Introduction to Seismic Signal ProcessingFormed millions of years ago from plants and animals that died and decomposed beneathsoil and rock, fossil fuels, namely, coal and petroleum, due to their ... usuallyset to zero for convenience so that E(x) ¼ E(s) ¼ E(n) ¼ 0 The random error term consists 1 Chemometrics is the use of mathematical and statistical methods for handling, interpreting, and predicting ... reflectivitydata resolve features such as faults, folds, and lithologic boundaries measured in 10s pro-of meters, and image them laterally for 100s pro-of kilometers and to depths pro-of 50 kilometers or more

Ngày tải lên: 12/08/2014, 03:21

... image processing for remote sensing but also suggests to readers the many challenging problems ahead for further study Original Preface from Signal and Image Processing for Remote Sensing Both signal ... the image processing for remote sensing, this book provides a good balance between the roles of signal processing and image processing in remote sensing The book covers mainly methodologies of signal ... the area of remote sensing, he is the editor of Information Processing for Remote Sensing and Frontiers of Remote Sensing Information Processing (World Scientific Publishing, 1999 and 2003, respectively)

Ngày tải lên: 12/08/2014, 03:20

... Therefore, there is much interest in investigating methods such as random forests In this chapter, random forests are investigated in the classification of hyperspectral and multi-source remote sensing ... the forest is sensitive and the ‘‘optimal’’ range for m is usually quite wide [10] 3.2.1 Derived Parameters for Random Forests There are three parameters that are derived from the random forests ... Trang 1Random Forest Classification of Remote Sensing Data Sveinn R Joelsson, Jon Atli Benediktsson, and Johannes R Sveinsson CONTENTS 3.1 Introduction 61 3.2 The Random Forest Classifier

Ngày tải lên: 12/08/2014, 03:20

... literature In particular, Markov random fields (MRFs) are used for modeling distri-butions of land-cover classes, and contextual classifiers based on MRFs exhibit efficient performances In addition, various ... multi-class labels The procedures for deriving coefficients for classifiers are discussed, and robust-ness for loss functions is emphasized here Next, contextual image classification methods including ... Contextual Image ClassificationOrdinary classifiers proposed for independent samples are of course utilized for imageclassification However, it is known that contextual classifiers show better performancethan

Ngày tải lên: 12/08/2014, 03:20

... SAR signal has different geometrical resolutionsand a different penetration capability depending on the signal wavelength, which isusually included between band X and band P (i.e., between 2 and ... ofadvanced and effective techniques for change detection in SAR images, and (2) thedevelopment of proper methods for the detection of changes in very high geometricalresolution images A solution for ... multi-temporal remote-sensing images and focuses attention on unsupervisedtechniques for multi-temporal SAR images Section 5.3 presents a multi-scale approach tochange detection in multi-temporal SAR images

Ngày tải lên: 12/08/2014, 03:20

... separation and deconvolution In the field of image processing, ICA has strong adaptability for representing different kinds of images and is very suitable for tasks like compression and denoising ... further calculate the ratio of local standard deviation to mean (SD/mean) for each image and use it as a criterion for image quality Both visual quality and performance criterion demon-strate that ... as signal source separation However, for the Trang 3image signal separation, we first need to classify the basis images; that is, we denote basis images that span speckle pattern space by S2 and

Ngày tải lên: 12/08/2014, 03:20

... ERS-2 SAR Ellipsoid Geocoded Images © 2008 by Taylor & Francis Group, LLC C.H Chen/Image Processing for Remote Sensing 66641_C009 Final Proof Image Processing for Remote Sensing 192 9.2 page 192 ... Francis Group, LLC C.H Chen/Image Processing for Remote Sensing 66641_C009 Final Proof page 196 3.9.2007 2:12pm Compositor Name: JGanesan Image Processing for Remote Sensing 196 S(K) ¼ s2 X R(m)eimK ... Group, LLC (9:23) C.H Chen/Image Processing for Remote Sensing 66641_C009 Final Proof page 198 3.9.2007 2:12pm Compositor Name: JGanesan Image Processing for Remote Sensing 198 Thus, we obtain

Ngày tải lên: 12/08/2014, 03:20

... Multi-Sensor Image Classification 254 11.4.1 A General Introduction to Multi-Sensor Data Fusion for Remote-Sensing Applications 254 11.4.2 Decision-Level Data Fusion for Remote-Sensing Applications ... more important in many remote-sensing applications This paper provides a tutorial on data fusion for remote-sensing applications The mainfocus is on methods for multi-source image classification, ... from a single remotelysensed image Such maps represent a valuable information resource in addition to the Trang 4satellite images To integrate map information with a remotely sensed image, the mapmust

Ngày tải lên: 12/08/2014, 03:21

... Transform: An Efficient Tool for Noise Reduction and Image Fusion in Remote-Sensing Boris Escalante-Ramı´rez and Alejandra A Lo´pez-Caloca CONTENTS 12.1 Introduction 273 12.2 The Hermite Transform ... Multi-Spectral and SAR Images 287 12.5 Conclusions 289 Acknowledgments 290 References 290 In this chapter, we introduce the Hermite transform (HT) as an efficient tool for remote-sensing image processing ... with Multi-Spectral and Panchromatic Images 284 12.4.2 Experimental Results with Multi-Spectral and Panchromatic Images 285 12.4.3 Fusion Scheme with Multi-Spectral and SAR Images 286 12.4.4

Ngày tải lên: 12/08/2014, 03:21

... this toner swells and therefore gives a raised image Such static raised images are routinely used in many places; often however these images are prepared by hand and little image processing is involved ... laboratories, which very often perform some form of image/video processing to extract pertinent information from a visual signal The need for image/video processing comes from the fact that the fundamental ... Corporation EURASIP Journal on Image and Video Processing Volume 2007, Article ID 25214, 12 pages doi:10.1155/2007/25214 Review Article Image and Video Processing for Visually Handicapped People Thierry

Ngày tải lên: 22/06/2014, 00:20

... and Tp2 for 20µm ≤ la1 ≤ 300µm and 20µm ≤ la2 ≤ 300µm and the results are plotted in Figures 2.7 and 2.8 for la1 and la2 respectively They can also be tabulated to facilitate on-line search for ... major source for CD nonuniformity Photoresist istypically spin coated on the wafer to form a thin film Resist thickness is nonuni-form after spin-coating Nonuniform CDs are expected and they vary ... plate and briefly for a one-zone bake plate Chapter 3 presents a real-timethickness control method to improve wafer-to-wafer and within-wafer thickness and CD uniformity An optimal feed-forward

Ngày tải lên: 11/09/2015, 16:05

... manifold. For further information on derivation and implementation of this hard constraint refer to [1] and references therein. The closed form analytical expressions for first and second order informa- tion ... algorithms for first and third order TITO FIR demixing systems over 10 trials. Figure 2-3. (a) and (b) are the two original signals, (c) and (d) are the convolutively mixed signals, (e) and (f) ... combinations,” Digital Signal Processing, vol 6, no 1, pp 5–16, Jan 1996 6 K J Pope and R E Bogner, “Blind signal separation II: Linear, convolutive combinations,” Digital Signal Processing, vol

Ngày tải lên: 19/01/2014, 18:20

... same time, in the same fre-quency band, and without any need for code separation information-1.2 State of the art and related work The increasing demand for faster and more reliable less communication ... baseband signal bandwidth andτ(H) denotes the channel coherence time In case the channel coherence time is held fixed, then an increase of signal bandwidth always allows for more subcarriers and ... MIMO area For the case of channel state information (CSI) at the transmitter, the link performance can be enhanced by appro-priate signal processing at the transmitter before emitting the signal

Ngày tải lên: 22/06/2014, 23:20

... work for many years To Maritime and Port Authority (MPA) of Singapore for graciously permitting me to performour field measurements (Permit No 0174/05, 0070/06, 0157/07and 0153/05) To my family and ... from the two images 82 4.9 Derived α(λ) from the two images 83 4.10 Hyperion image used for implementation, with blue region denoting cloud areas sampled for test, the red and green region ... Comparing TAFKAA and Cloud and shadow derived reflectance, reflectance map and scatter plot at 500 nm 101 4.25 Comparing TAFKAA and Cloud and shadow derived reflectance, reflectance map and scatterplot

Ngày tải lên: 11/09/2015, 16:05

... foreseeable with this SF LEX receiver available The signal processing methods presented here enable much lower resources consumption for the LEX signal and other GNSS on-plan CSK-modulated signals ... of data for a Code Division Multiple Access (CDMA) baseband signal Radio Frequency Signal (RF Signal): the electromagnetic signal that is broadcasted in the free space as a wireless signal Intermediate ... Similarly, signal demodulation is referred as a signal process procedure that wipes off the carrier of the signal to output the binary data Fast Fourier Transform (FFT): a signal processing and analysis

Ngày tải lên: 07/08/2017, 16:15

... processing images and videos in a multimedia environment It coversthe following subjects arranged in two parts: (1) standards and fundamentals: standards, mul-timedia architecture for image processing, ... multimedia-related image processing techniques,and intelligent multimedia processing; (2) methodologies, techniques, and applications: im-age and video coding, image and video storage and retrieval, ... demand, and telemedicine.The book begins with the existing standards for multimedia, discussing their impacts tomultimedia image and video processing, and pointing out possible directions for

Ngày tải lên: 23/10/2013, 16:15

... k = 10, j = 10, and 24 total bits are required for calculating xn and yn 2.3.2 Memory Bandwidth Reduction Memory bandwidth is a concern for high-resolution sprites... , and c to obtain ... as g and h are varied between −0.1 and 0.1 for the coastguard image Table 2.2 Coastguard Mean Squared... divisions and only 14 multiplications per frame are therefore required for the ... Chebyshev, and cubic Chebyshev The methods were then used to warp the checkerboard image, which is a standard test image for... coefficients in equations (2.11) and (2.12) For each pixel,

Ngày tải lên: 27/10/2013, 23:15

... plifications for real-time image and video processing, Hardware platforms for real-time imageand video processing, Software methods for real-time image and video processing Trang 51 Real-Time Image and ... where this field stands today 1.5.1 History of Image/Video Processing Hardware Platforms The earliest known digital image processing, the processing of image data in digital form by adigital computer, ... other chapters PROCESSING OPERATIONS Real-time image and video processing systems involve processing vast amounts of image data in a timely manner for the purpose of extracting useful information,

Ngày tải lên: 05/06/2014, 11:40