A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Mishra, Ravi
- Active Channel Systems in the Middle Indus Fan: Results from High-Resolution Bathymetry Surveys
Authors
1 National Centre for Antarctic and Ocean Research, (Ministry of Earth Science, GoI), Headland Sada, Vasco-Da-Gama, Goa 403 804, IN
2 National Centre for Antarctic and Ocean Research, Goa, IN
Source
Current Science, Vol 108, No 3 (2015), Pagination: 409-412Abstract
Multibeam swath bathymetry survey was carried out in the middle Indus fan region in the eastern Arabian Sea. Using high-resolution bathymetry data, major morphological features such as the Raman seamount and the Laxmi ridge have been mapped. This study also reveals the presence of sinuous channel systems, continuing towards the distal fan. Though there are several reports on the presence of channels in different regions of the Indus fan, we report here the presence of active channels to the east of the Laxmi ridge. The total length of all channels along the channel axis is about 915 km. The individual spreads of the channels vary from 189.8 to 1980.5 m. Most of the channels are shallow with the average depth measuring about 60 m. The longest channel is about 256.3 km long, 702 m wide and about 57 m deep. The channels observed are similar to the land-based fluvial channels. The channels identified are highly sinuous in nature, their meanders and cut-off meanders are similar to the characteristics of fluvial channels. In general, average channel course in the study area is more than twice the straight course.Keywords
Active Channel Systems, Bathymetry Survey, Morphological Features, Submarine Fan.- Video Shot Boundary Detection using Graph Theory
Authors
1 Shri Shankaracharya College of Engineering & Technology, Bhilai, Chhattisgarh, IN
Source
Digital Image Processing, Vol 6, No 1 (2014), Pagination: 1-5Abstract
Video-Shot boundary detection has attracted much more research interesting in recent years. Shot change detection is the procedure for identifying changes in the scene content of a video sequence so that alternate representation may be derived for the purposes of browsing and retrieval. e.g. key frames may be extracted from a distinct shot to represent it. A video is defined as a continuously imaged temporal segment of a video. It is themost effective media for capturing the world around us. The recent explosive growth of digital video application entails the generation of vast amount of video data. Shot is defined as a part of the video that result from one continue recording by single camera. Shot boundary detection is the procedure for identifying changes in the scan content of a video sequence so that attenuate representation may be derived for the purpose of browsing and retrieval. Many algorithms have been proposed for detecting video shot boundaries and classifying shot and shot transmission types. Detection of gradual transition and elimination of disturbance caused by illumination change, fast object and camera motion are the major challenges of shot boundary detection. This paper presents a novel approach to address this challenge. In this, a video shot boundarydetection using graph theory approach is use. First, the video is converted into its frames and then feature of colors is extracted from each frame to compute dissimilarity between frames. Lastly, video frames are divided into several different groups through graph theory algorithm. According to cut and gradual changes, they have different characters in the two successive frames belonging to different groups; it detects cut and gradual shot.Keywords
Histograms, Thresholding, MST, Hit Rate, Miss Rate.- A Raspberry Pi based Energy Efficient System
Authors
1 Department of EEE, SSTC, Bhilai, IN
Source
Artificial Intelligent Systems and Machine Learning, Vol 11, No 5 (2019), Pagination: 86-91Abstract
Electricity is the Minimum requirement of a community for a decent standard of life. Energy consumption graph is increasing day by day whereas the resources of energy are diminishing parallelly. Usage of power is growing drastically paving the manner for parallelly. Consumption of power is growing drastically paving the manner for energy economical technologies and excavation for renewable energy sources. At present, reducing energy demand in the residential, industrial and in any commercial places is a great challenge. The renewable energy is extinguishing terribly and demand for electricity is increasing very rapidly. Therefore, this paper proposes a system for continuous monitoring of electrical appliances. The proposed system can facilitate in reducing the energy wastage by incessantly observing the electrical appliances based on completely different sensors input.
Keywords
Sensors, Wireless Technology, WSN, Raspberry Pi.References
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- The Art of Science Writing
Authors
1 National Centre for Polar and Ocean Research, Goa 403 804, IN
2 S. Ramaseshan Fellow
3 St Mary’s College, Thrissur 680 020, IN