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Purpose To evaluate the anatomic versus functional changes in diabetic retinopathy (DR) by studying the correlation of retinal vascular perfusion density and dark adaptation (DA). Methods Optical coherence tomography angiography (OCTA) and DA tests were performed in diabetic patients and nondiabetic controls. DA was measured using AdaptDx dark adaptometer and the rod intercept was recorded. Macular...
Multi-instance multi-label (MIML) learning has many interesting applications in computer visions, including multi-object recognition and automatic image tagging. In these applications, additional information such as bounding-boxes, image captions and descriptions is often available during training phrase, which is referred as privileged information (PI). However, as existing works on learning using...
With the increase of systems' complexity, exception detection becomes more important and difficult. For most complex systems, like cloud platform, exception detection is mainly conducted by analyzing a large amount of telemetry data collected from systems at runtime. Time series data and events data are two major types of telemetry data. Techniques of correlation analysis are important tools that...
The study aimed to develop a universal method to monitor soil APC by hyperspectral data. The correlations between soil APC and the hyperspectrum reflectivity and its mathematical transformations were analyzed. The feature bands and its transformations were screened to develop the optimizing model of monitoring soil APC based on the method of multiple linear regression. The in-situ testing samples...
In order to save energy of sensors in the process of gathering data and transmitting information, Compressive Sensing (CS), as a novel and effective signal transform technology, has been used gradually in Wireless Sensor Networks (WSNs). In traditional usages of CS techniques in the previous literatures, the sparsities of the signals has to be known beforehand, which is much more importance for their...
Yimeng mountain area is the typical rocky mountain areas of Northern China. The local soil with loose texture and easy to lose was developed from the gneiss and sandstone. A small watershed in Yimeng mountain area of Shandong Province was chose to make a preliminary estimate about soil erosion rates of natural soils and cultivated soils on sloping land using the 137CS tracer method and soil erosion...
Based on the NCEP/NCAR reanalysis and the NOAA sea surface temperature (SST) data, the interannual variation of the cold surge over the northern South China Sea (NSCS) and the relationship between the cold surge over the NSCS and the SST in the equatorial central and eastern Pacific have been investigated. The results show that the occurrence frequency of the cold surge over NSCS has an interannual...
Kossel-line diffraction method is an important way to measure the structure of crystals. Colloidal crystal is one of the hotspots on the condensed physics research. In order to obtain the diffraction image, a 473nm wavelength laser is used to irradiate samples, and then the Kossel-line image of sample is projected onto the translucent screen and recorded by charge coupled device (CCD) camera. The...
EEG signal is a typical nonlinear time series and its correlation dimension can be calculated to measure the series. In this paper, the correlation dimensions of 30 healthy samples and 30 patient samples are calculated. By the statistic result, an important conclusion is represented that the values of correlation dimension of different groups exist great difference. Based on more clinical experiments,...
Nonlinear analysis of electroencephalogram (EEG) signals provides a means for studying the dynamical changes in cortical networks related to brain electrical activity. In this study, the correlation dimension (D/sub 2/) and point correlation dimension (PD/sub 2/) were used to investigate the quantitative complexity of EEG during cognitive processes. EEGs were recorded in 30 normal subjects under seven...
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