Many researchers have so far used machine vision and digital image processing for grabbing images of machined surfaces, improving their quality by pre-processing and then analysed them for evaluation of surface finish with a reasonable success. An attempt has been made in this work to capture the images of the surfaces with varying inclinations covering both the sides. The ideal orientation of the surface (flat and horizontal) is found by observing the variation in optical roughness parameters estimated from the grey level co-occurrence matrix as the angle of inclination changes. It is observed that the variation of roughness parameters with respect to angle of inclination also depends on the surface roughness of the component. The optical roughness values obtained by machine vision approach are then subsequently compared with the conventional Ra as obtained by stylus method and the analysis is presented.
Background: Thyroid surgery is moderately painful, but is increasingly being considered as a day- care procedure also Thyroid surgery is
associated with increased incidence of Post operative Nausea and Vomiting. Bilateral supercial cervical plexus block (BSCPB) provides an
adjuvant technique in view of adequate post operative pain relief and increase the time for rst requirement of rescue analgesia. Place And
Duration Of Study: Department of Anaesthesia , Government Nagapattinam Medical College and Hospital, Nagapattinam- 611001 ( August
2021 to June 2022). 35 patients with euthyroid status undergoing total thyroidectomy were gi Methods: ven Bilateral supercial cervical plexus
block with 10 ml of 0.25% Bupivacaine 5ml each side after induction of General Anaesthesia. Primary outcome was time of requirement of rst
rescue analgesic in the postoperative period. Secondary outcomes were visual analogue scale (VAS) scores at 0, 4, and 8 hrs and incidence of
postoperative nausea and vomiting (PONV ). Bilateral Supercial Cervical ple Results: xus Block given after induction General anaesthesia and
Before skin incision effectively reduced the post operative pain in patients undergoing total thyroidectomy.
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