The "Computed Image Depth method" (CID) is proposed for converting from all kinds of two-images. The 3D images are generated by computing the depth of each separated area of the 2D images with their contrast, sharpness and chrominance.
Tactile sensation is one type of valuable feedback in evaluating a product. Conventionally, sensory evaluation is used to get direct subjective responses from the consumers, in order to improve the product’s quality. However, this method is a time-consuming and costly process. Therefore, this paper proposes a novel tactile evaluation system that can give tactile feedback from a sensor’s output. The main concept of this system is hierarchically layering the tactile sensation, which is inspired by the flow of human perception. The tactile sensation is classified from low-order of tactile sensation (LTS) to high-order of tactile sensation (HTS), and also to preference. Here, LTS will be correlated with physical measures. Furthermore, the physical measures that are used to correlate with LTS are selected based on four main aspects of haptic information (roughness, compliance, coldness, and slipperiness), which are perceived through human tactile sensors. By using statistical analysis, the correlation between each hierarchy was obtained, and the preference was derived in terms of physical measures. A verification test was conducted by using unknown samples to determine the reliability of the system. The results showed that the system developed was capable of estimating preference with an accuracy of approximately 80%.
For ground-based gravitational wave (GW) detectors, lightning strokes in the atmosphere are sources of environmental noise.
Some GW detectors are built or planned in underground facilities, and knowledge of how lightning strokes affect them is of interest.
In this paper, the lightning detection system in KAGRA is introduced, and the properties of the magnetic field measured inside and outside the KAGRA tunnel are shown.
One lightning-induced event in the GW channel of the KAGRA main interferometer is also showed.
Finally, possible applications of lightning events for the GW experiments are discussed.
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