225 research outputs found
Novel technique for implementation of Color Algorithm for LED used for general illumination
Abstract LED light sources are finding more applications than conventional light bulbs due to their compactness, lower heat dissipation, and most importantly, real-time color changing capability. Color mixing provides an important means to obtain white light of controlled color temperature by combining RGB arrays of LED's. The basic principle of color mixing relies in the utilization of a strong enough diffuser where the angular spread of the diffuser exceeds the angular spread of the LED sources. Accurate control of colors for RGB LED lights is a challenging task, which includes optical color mixing, color light intensity control and color point maintenance due to LED junction temperature change and device aging. This paper evaluates a color control algorithm for LED lights with independently changeable illuminance. The algorithm adjusts the light intensity to obtain desired color with alterable illuminance. To verify the validity of the algorithm, it was applied to control of a LED module (Red, Green, Blue, and White)
A Novel Algorithm For Similarity Calculation Of Image Patches
Coordinating composite representations with advanced face pictures is a testing issue which is of great enthusiasm to law authorization organizations. An algorithm was shown that uses multi-scale highlight extraction utilizing visual saliency, texture components, and credit feedback to match composite representations with advanced pictures. The algorithm uses notable patches to concentrate surface components from both computerized picture and composite portrayal. These texture elements are consolidated together to perform texture based coordinating. The qualities of the portrayal and the picture are used to figure a characteristic match score that is melded with the texture match score. The outcomes demonstrate that distinctive parts of the proposed algorithm contribute towards enhancing the identification exactness
Dissecting Malicious Word, PDF Documents
Internet and computers are now a part of our daily routine life. With the development of network and information technology, E-mail has became increasingly popular and the society’s indispensable need. However, virus spreading via the E-mail is also increasing at an enormous rate. The E-mail attachment such as PDF Document, Microsoft Word Document, EXE program can spread viruses from one computer to another computer. This paper describes and analyses the various forms of the E-mail viruses via the Microsoft Word Documents and the PDF Documents. We describe the methodology to detect such E-mail viruses using tools such as OfficeMalscanner for Word Documents and PDF stream Dumper for PDF Documents
Effect of planting periods on production potential of potato (Solanum tuberosum) varieties under aeroponics
An experiment was conducted during 2017–18 in the aeroponic unit of ICAR-Central Potato Research Institute in
Shimla, Himachal Pradesh, to evaluate 3 potato (Solanum tuberosum L.) cultivar’s, viz. Kufri Mohan, Kufri Lauvkar
and Kufri Himalini growth and production behaviour under 2 different planting periods spaced 10 days apart during
the autumnal season. The yield per plant and the total number of mini-tubers were shown to be strongly impacted
by the planting season as well as the cultivar, according to the findings. The average number of tubers harvested was 32.7/plant in early (10th September) planting as against 21.2 mini-tubers/plant in late (20th September). Similarly, yield per plant was significantly higher (67.67 g/plant) with early planting than with late planting (35.99 g/plant). The production behaviour of the potato varieties under consideration varied significantly. The maximum yield/plant and mini-tuber numbers were recorded in Kufri Lauvkar (34.17 and 73.12 g/plant, respectively), which were significantly higher than the remaining 2 cultivars, which were statistically at par for both the number of yield/plant and minitubers. A delay in the planting of 10 days under aeroponics results in a significant reduction not only in the vigour of plants but subsequently in the number as well as weight of mini-tubers harvested. Thus, for attaining higher rates of multiplication under aeroponics during the autumn season, planting should not be delayed beyond 10th September in a hilly temperate wet zone
2-{2-[3-(1H-Benzimidazol-2-yl)quinolin-2-yloxy]ethoxy}ethanol
In the title compound, C20H19N3O3, the interplanar angle between the benzimidazole unit and the quinoline unit is 25.1 (2)°. Two different hydrogen bonds involving the hydroxy group and the imidazole unit are present. An intramolecular N—H⋯O hydrogen bond links the hydroxy group of the side chain with the imidazole unit, forming a 12-membered ring, and an intermolecular O—H⋯N hydrogen bond links the molecules, forming chains in the crystallographic b direction
3-(1H-Benzimidazol-2-yl)-2-chloro-8-methylquinoline
Two independent molecules of the title compound, C17H12ClN3, are present in the structure. The angle between the planes defined by the atoms of the benzimidazole unit and the quinoline unit are 45.2 (3) and 44.0 (3)°, indicating an essentially identical conformation for both molecules. Each of the independent molecules is linked with a symmetry equivalent by an intermolecular N—H⋯N hydrogen bond involving the two benzimidazole N atoms, to form chains in the crystallographic c direction
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