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In 2019, the Event Horizon Telescope Collaboration delivered the first image of a black hole, revealing M87* -- the supermassive object in the center of the M87 galaxy. The EHT team has now used the l...
BUILDING SHADOW DETECTION FROM GHOST IMAGERY
Ghost image Interior and exterior orientation elements Zenith angle of sun Region growing method Urban large-scale aerial imagines
2018/5/17
Shadow is one of the basic features of remote sensing image, it expresses a lot of information of the object which is loss or interference, and the removal of shadow is always a difficult problem to r...
FULLY CONVOLUTIONAL NETWORK BASED SHADOW EXTRACTION FROM GF-2 IMAGERY
Fully Convolutional Network Shadow Extraction Deep Learning GF-2 Building Shadows
2018/5/15
There are many shadows on the high spatial resolution satellite images, especially in the urban areas. Although shadows on imagery severely affect the information extraction of land cover or land use,...
ANALYZING SPECTRAL CHARACTERISTICS OF SHADOW AREA FROM ADS-40 HIGH RADIOMETRIC RESOLUTION AERIAL IMAGES
Shadow shadow spectra ADS-40 high radiometric resolution
2016/11/23
The shadows in optical remote sensing images are regarded as image nuisances in numerous applications. The classification and interpretation of shadow area in a remote sensing image are a challenge, b...
CLOUD AND CLOUD SHADOW MASKING USING MULTI-TEMPORAL CLOUD MASKING ALGORITHM IN TROPICAL ENVIRONMENTAL
Multitemporal Cloud Masking Algrithm Cloud Cloud Shadow
2016/7/8
A cloud masking approach based on multi-temporal satellite images is proposed. The basic idea of this approach is to detect cloud and cloud shadow by using the difference reflectance values between cl...
ANISOTROPIC SCATTERING SHADOW COMPENSATION METHOD FOR REMOTE SENSING IMAGE WITH CONSIDERATION OF TERRAIN
Soft Shadow Shadow Compensation Anisotropy Diffuse Solar Radiation Sky View Factor
2016/7/4
With the rapid development of sensor networks and earth observation technology, a large quantity of high resolution remote sensing data is available. However, the influence of shadow has become increa...
SHADOW NUMBERS PUBLIC KEY ENCRYPTION
public key encryption algorithm public key private key
2016/1/9
The present public key encryption in this paper involves the use
of two values and they are the shadow’s values of a base value, and
the base value is derived from the two shadows’ values. Whenever ...
WAVELET ENHANCEMENT OF CLOUD-RELATED SHADOW AREAS IN SINGLE LANDSAT SATELLITE IMAGERY
Wavelet image fusion shadow frequency decomposition Landsat
2015/12/31
Cloud-related shadows represent areas with low illumination conditions that affect remote sensing image quality. In this research, a wavelet-based image sharpening algorithm was developed to enhance s...
Shadow-Bitcoin: Scalable Simulation via Direct Execution of Multi-threaded Applications
Scalable Simulation via Direct Execution Multi-threaded Applications
2015/12/30
We describe a new methodology that enables the direct
execution of multi-threaded applications inside of
Shadow, an existing parallel discrete-event network simulation
framework. Our methodology ut...
Research on the Building Shadow Extraction and Elimination Method
Building Shadow Extraction Shadow Removal Multiple Constraints Edge Detection
2015/12/9
This paper first generalizes the significance and present research situation of the building shadow extraction and elimination method. Then, an approach of automatic extracting shadows of building fro...
Rendering 3D Vector Data Using the Theory of Stencil Shadow Volume
Stencil Buffer Shadow Volume Vector Data Real-time Visualization Terrain Rendering
2015/12/2
In geographical information systems vector data has important applications in the analysis and management of virtual landscapes. Therefore, methods that allow combined visualization of terrain and geo...
Shadow Detection of Urban Aerial Images Based on Partial Differential Equations
Shadow Detection Urban Aerial Image Partial Differential Equations Image Understanding Feature Detection
2015/12/2
Shadow detection plays an important role in digital aerial image processing. In this paper, shadow is treated as a special kind of image degradation. Shadow region commonly has lower brightness than n...
51 short-period vertical North American and Canadian records of the Samoa earthquake 14 April 1957 were examined. Amplitudes of P were very large at the western stations (Δ < 84˚) and small at th...
QUANTITATIVE ANALYSIS OF SHADOW EFFECTS IN HIGH-RESOLUTION IMAGES OF URBAN AREAS
Shadow Object Extraction High resolution Classification Land Cover LIDAR
2015/8/3
Shadow effects have drawn much attention by researchers with increasing use of high-resolution remote sensing images of urban areas. For correction or compensation to pixels that falling in shadow are...
Big Brother’s shadow: History, justice, and the political imagination in post-1989 Poland
History justice the political imagination
2015/6/18
Within the paradigm of “transitional justice”, the problematic of justice in
“post” societies is generally conceived of in terms of “how new democracies
have attempted to strike a balance between ...