Insights into the Mechanistic Perspective Effect of Insulin on the Nonamyloidogenic Component (NAC) and α-Synuclein Aggregation

AbstractFull disk magnetic field measurements of the photosphere and chromosphere have been performed at National Solar Observatory (NSO), USA for many decades. Here we briefly describe recent upgrades made to this synoptic observing program. In particular, we present the full Stokes polarimetry observations made using the chromospheric Ca II 854.2 nm spectral line. These new observations have the potential to probe vector nature of magnetic field in the chromosphere above the active regions and provide improved estimates of magnetic free-energy, which is released during flares and coronal mass ejections (CMEs). We emphasize that these observations could improve estimates of polar fields, as compared to photospheric observations, due to magnetic field expansion in higher layers and perspective effect near the polar regions. The global coronal potential field models and solar wind speed estimates depend critically on polar field measurements.

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Inpatient Rehabilitation Quality of Care From the Patient’s Perspective: Effect of Data Collection Timing and Patient Characteristics

Archives of Physical Medicine and Rehabilitation ◽

10.1016/j.apmr.2018.10.019 ◽

2019 ◽

Vol 100 (6) ◽

pp. 1032-1041 ◽

Cited By ~ 1

Author(s):

Anne Deutsch ◽

Allen W. Heinemann ◽

Karon F. Cook ◽

Linda Foster ◽

Ana Miskovic ◽

...

Keyword(s):

Quality Of Care ◽

Data Collection ◽

Inpatient Rehabilitation ◽

Patient Characteristics ◽

Patient’S Perspective ◽

Perspective Effect

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Computer Vision Measurement of Pointer Meter Readings Based on Inverse Perspective Mapping

Applied Sciences ◽

10.3390/app9183729 ◽

2019 ◽

Vol 9 (18) ◽

pp. 3729 ◽

Cited By ~ 4

Author(s):

Bao ◽

Tan ◽

Liu ◽

Miao

Keyword(s):

Computer Vision ◽

Visual Detection ◽

Detection Method ◽

Transformation Matrix ◽

Normal Vector ◽

Vision Measurement ◽

Extrinsic Parameters ◽

Perspective Effect ◽

Rotation Transformation ◽

Inverse Perspective Mapping

A computer vision method for measuring multiple pointer meters is proposed based on the inverse perspective mapping. First, the measured meter scales are used as the calibration objects to obtain the extrinsic parameters of the meter plane. Second, normal vector of the meter plane can be acquired by the extrinsic parameters, obtaining the rotation transformation matrix of the meter image. Then, the acquired meter image is transformed to a position both parallel to the meter plane and near the main point by the rotation transformation matrix and the extrinsic parameters, eliminating the perspective effect of the acquired image. Finally, the transformed image is tested by the visual detection method to obtain the readings of the pointer meter, improving measurement precision. The results of the measurement verify the effectiveness and accuracy of the method.

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Rapid Foreground Extraction Algorithm Based on Trimap

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.490-495.1821 ◽

2012 ◽

Vol 490-495 ◽

pp. 1821-1825

Author(s):

Shao Wei Zeng ◽

Zhu Liang

Keyword(s):

User Interaction ◽

Large Degree ◽

Accurate Solution ◽

Human Beings ◽

Initial Image ◽

Foreground Extraction ◽

Extraction Algorithm ◽

Perspective Effect ◽

Ill Posed ◽

The One

Foreground extraction is a very important operation in the image processing of the computers. Its purpose is to extract the area that human beings are interested in from the complicated background, which is beneficial for the subsequent operations such as background exchange, changes of the perspective effect and image mosaicing and so on. However, it is actually an ill-posed problem to determine whether a pixel belongs to the foreground. It is usually hard to acquire an accurate solution from the initial image. Therefore, the foreground extraction algorithm generally needs the user interaction. This paper has put forward a kind of rapid foreground extraction algorithm with the user interaction form of Trimap. On the one hand, our Trimap is quite simple. The users are able to understand the influence of Trimap on the productive resultants visually. On the other hand, with the help of Trimap, we are able to lessen the area that needs to be calculated in a large degree, which can rapidly finish the work of foreground extraction.

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Size Constancy in Structure from Motion

Perception ◽

10.1068/p241155 ◽

1995 ◽

Vol 24 (10) ◽

pp. 1155-1164 ◽

Cited By ~ 4

Author(s):

Jessica Turner ◽

Myron L Braunstein

Keyword(s):

Structure From Motion ◽

Parallel Projection ◽

Depth Information ◽

Size Constancy ◽

Motion Display ◽

Perspective Effect ◽

The Relationship ◽

Relative Motions

The relative motions of points in a structure-from-motion display involving parallel projection provide depth information in an object-centered framework: differences in velocity do not reflect differences in distance from an eyepoint. In contrast, size constancy is generally regarded to be a perspective effect, based on the relationship between projected size and distance from an eyepoint. Five subjects judged the relative sizes of objects in structure-from-motion scenes. Although the scenes were displayed without perspective, judged size was related to the simulated separation in depth of the objects. These results suggest that relative depths recovered from object-centered information are incorporated into a viewer-centered framework.

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