Research of fiber optical faceplate defects segmentation based on improved watershed algorithm

Light transmission in the reflection fiber system, located in external optical media, has been investigated for application as sensors. The system was simulated by different models, including external cavity parameters such as the distance between light emitting and receiving fibers and mirror positioning distance. The sensitivity to a linear displacement of the sensors was studied as a function of the distance between the tips of the light emitting fiber and the center of the pair reflected light collecting fibers, by positioning a mirror. Physical fundamentals and operating principles of the advanced fiber optical sensors were revealed.

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Some problems in the use of fiber-optical elements in optics-electronical imaging devices of space information systems

Kosmìčna nauka ì tehnologìâ ◽

10.15407/knit2006.04.045 ◽

2006 ◽

Vol 12 (4) ◽

pp. 45-51

Author(s):

E.S. Parnyakov ◽

◽

M.R. Ullah Baig Mirza ◽

Keyword(s):

Information Systems ◽

Optical Elements ◽

Fiber Optical

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METAL NANOSTRUCTURES FOR IMPROVING THE EFFICIENCY OF FIBER-OPTICAL AMPLIFIERS WITH ERBIUM IONS FOR 1.54 MICRON WAVELENGTH

Journal of Radio Electronics ◽

10.1615/jradioelectr.v1.i2.40 ◽

2012 ◽

Vol 1 (2) ◽

Author(s):

G.A. Denisenko ◽

A. A. Kurushin

Keyword(s):

Optical Amplifiers ◽

Metal Nanostructures ◽

Erbium Ions ◽

Fiber Optical

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Segmentation In Medical Resonance images to extract the cancerous nodule for early diagnosis on cancer

INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY ◽

10.24297/ijct.v3i2a.2816 ◽

2012 ◽

Vol 3 (2) ◽

pp. 253-255

Author(s):

Raman Brar

Keyword(s):

Human Lung ◽

Research Work ◽

Vital Role ◽

Watershed Algorithm ◽

Segmentation Method ◽

Resonance Imaging ◽

Segmentation Methods ◽

Segmentation Accuracy ◽

Background Segmentation ◽

Lung Mri

Image segmentation plays a vital role in several medical imaging programs by assisting the delineation of physiological structures along with other parts. The objective of this research work is to segmentize human lung MRI (Medical resonance Imaging) images for early detection of cancer.Watershed Transform Technique is implemented as the Segmentation method in this work. Some comparative experiments using both directly applied watershed algorithm and after marking foreground and computed background segmentation methods show the improved lung segmentation accuracy in some image cases.

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Compact Energy Measuring System for Short Pulse Lasers

Metrology and Measurement Systems ◽

10.2478/mms-2013-0016 ◽

2013 ◽

Vol 20 (2) ◽

pp. 183-190 ◽

Cited By ~ 3

Author(s):

A. Barna ◽

I. B. Földes ◽

Z. Gingl ◽

R. Mingesz

Keyword(s):

Short Pulse ◽

Electronic Devices ◽

Laser Pulses ◽

Measuring System ◽

Electric Response ◽

Usb Interface ◽

Radiated Noise ◽

Fiber Optical ◽

Measurement Control ◽

Short Pulse Lasers

Abstract In experiments with short-pulse lasers the measurement control of the energy of the laser pulse is of crucial importance. Generally it is difficult to measure the amplitude of the pulses of short-pulse lasers using electronic devices, their response time being longer than the duration of the laser pulses. The electric response of the detector is still too fast to be directly digitized therefore a peak-hold unit can be used to allow data processing for the computer. In this paper we present a device which measures the energy of UV short (fs) pulses shot-byshot, digitizes and sends the data to the PC across an USB interface. The circuit is based on an analog peak detect and hold unit and the use of fiber optical coupling between the PC and the device provides a significant improvement to eliminate potential ground loops and to reduce conductive and radiated noise as well. The full development is open source and has been made available to download from our web page (http://www.noise.inf.u-szeged.hu/Instruments/PeakHold/).

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