نتایج جستجو برای: sentinel 2

تعداد نتایج: 2536283  

Journal: :CoRR 1998
Robert J. Ellison Richard C. Linger Thomas A. Longstaff Nancy R. Mead

vii 1 Network System Survivability 1 1.1 Survivability Concepts 1 1.2 The Survivable Network Analysis Method 2 2 Sentinel: The Case Study Subsystem 5 3 Applying the Survivable Network Analysis Method to Sentinel 7 3.1 Method Application 7 Step 1: System Definition 8 Step 2: Essential Capability Definition 10 Step 3: Compromisable Capability Definition 10 Step 4: Survivability Analysis 12 4 Less...

Journal: :Remote Sensing 2021

The exploitation of the unprecedented capacity Sentinel-1 (S1) and Sentinel-2 (S2) data offers new opportunities for crop mapping. In framework SenSAgri project, this work studies synergy very high-resolution Sentinel time series to produce accurate early seasonal binary cropland mask type map products. A classification processing chain is proposed address following: (1) high dimensionality cha...

Journal: :Isprs Journal of Photogrammetry and Remote Sensing 2021

Identification of flood water extent from satellite images has historically relied on either synthetic aperture radar (SAR) or multi-spectral (MS) imagery. MS sensors are limited to cloud free conditions, whereas SAR imagery is plagued by noise-like speckle. Prior studies that use combinations and data overcome individual limitations these have not fully examined sensitivity mapping performance...

2014
Edward P. Miranda Oliver C. Bellevue Stanley P.L. Leong

OBJECTIVE The rising incidence of melanoma and the high prevalence of breast cancer have generated a new scientific problem-how do the regional lymph node basins function after radical lymphadenectomy and are lymphatic drainage patterns altered after radical lymphadenectomy? Furthermore, after radical lymphadenectomy, selective sentinel lymphadenectomy is still a technically feasible and valid ...

Journal: :Oncology 2004
Marie Plante Marie-Claude Renaud Michel Roy

The sentinel node evaluation has revolutionized the modern surgical management of cutaneous melanoma and breast cancer. In gynecologic oncology, sentinel node mapping has been mainly studied in vulvar and cervical cancer. In vulvar cancer, data from 12 studies including 353 cases indicate that the sentinel node detection rate is 92% and the negative-predictive value is 99%. Three groin recurren...

Journal: :The Laryngoscope 2002
Sandro J Stoeckli Madeleine Pfaltz Hans Steinert Stephan Schmid

OBJECTIVES Sentinel lymph node biopsy has been introduced for head and neck cancer with promising results. Research in breast cancer has revealed different histopathological features of occult lymph node metastasis with possibly different clinical and prognostic implications. The aim of the study was to evaluate the histopathological features of occult metastasis detected by sentinel lymph node...

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