In this paper, a proposal of a new and unusual framework to detect and extract the text from the images and video frames have been presented. In the past various methods have been presented for detection and localization of text in images and video frames. In this paper, a comparison has been made between several text detection methods and proposed method for text detection in images and video frames. The proposed method is carried out by edge detection, and the projection profile method is used to localize the text region better. Various experiments have been carried out to evaluate and compare the performance of the proposed algorithm. Experimental results tested from a large dataset have demonstrated that the proposed method is effective and practical. Various parameters like average time, precision and recall rates and analyzed for both existing and proposed method to determine the success and limitation of our method.
Abstract Background There is conflicting evidence on association between quick sequential organ failure assessment (qSOFA) and sepsis mortality in ICU patients. The primary aim of this study was to determine the association between qSOFA and 28-day mortality in ICU patients admitted for sepsis. Association of qSOFA with early (3-day), medium (28-day), late (90-day) mortality was assessed in low and lower middle income (LLMIC), upper middle income (UMIC) and high income (HIC) countries/regions. Methods This was a secondary analysis of the MOSAICS II study, an international prospective observational study on sepsis epidemiology in Asian ICUs. Associations between qSOFA at ICU admission and mortality were separately assessed in LLMIC, UMIC and HIC countries/regions. Modified Poisson regression was used to determine the adjusted relative risk (RR) of qSOFA score on mortality at 28 days with adjustments for confounders identified in the MOSAICS II study. Results Among the MOSAICS II study cohort of 4980 patients, 4826 patients from 343 ICUs and 22 countries were included in this secondary analysis. Higher qSOFA was associated with increasing 28-day mortality, but this was only observed in LLMIC ( p < 0.001) and UMIC ( p < 0.001) and not HIC ( p = 0.220) countries/regions. Similarly, higher 90-day mortality was associated with increased qSOFA in LLMIC ( p < 0.001) and UMIC ( p < 0.001) only. In contrast, higher 3-day mortality with increasing qSOFA score was observed across all income countries/regions ( p < 0.001). Multivariate analysis showed that qSOFA remained associated with 28-day mortality (adjusted RR 1.09 (1.00–1.18), p = 0.038) even after adjustments for covariates including APACHE II, SOFA, income country/region and administration of antibiotics within 3 h. Conclusions qSOFA was independently associated with 28-day mortality in ICU patients admitted for sepsis. In LLMIC and UMIC countries/regions, qSOFA was associated with early to late mortality but only early mortality in HIC countries/regions. Graphical Abstract
A UWB 4-element antenna with SRR WLAN notch and four L-shaped parasitic decoupling is discussed. The proposed antennas impedance bandwidth of 10dB varies from 3.8 GHz to 11 GHz and is operated on 5G and UWB applications. The four L-shaped parasitic strip is used to enrich the isolation more than 20 dB. The highest gain of antenna is measured to be 4.5 dB. The SRR notch placed near to the feed is used to prevent the interference with WLAN frequencies and varies from 5.05 to 5.88 GHz.
A compact and circular shape radiator UWB microstrip antenna for THz band application is proposed. The antenna is designed for simulation analysis on the low cost FR-4 substrate. The partial ground, tapered shape feed line and circular shape radiator are used to achieve the 10dB impedance bandwidth. The 10 dB impedance bandwidth of antenna varies from 3.3 THz to 28 THz. The realized gain (peak) of presented antenna is 14.18 dB at 22.75 THz frequency. The compact size of the UWB microstrip antenna is 120 μm x80 μm. The presented antenna has a compact size, omni-directional radiation pattern, and UWB frequency so that it can be suitable in THz band application.
Abstract Introduction The present study aimed to clinically evaluate and compare the variations in gingival thickness and width of keratinized gingiva according to the dental arch and location in pigmented and nonpigmented gingiva. Materials and Methods A total of 240 sites from systemically healthy subjects were selected and divided into two groups; Group 1(pigmented gingiva) and group 2 (nonpigmented gingiva). After the initial visit of scaling and root planning, the gingival thickness was evaluated mid-buccally in the attached gingiva, that is, the center of the mucogingival junction and free gingival groove, and at the base of the interdental papilla. Similarly, the gingival width was measured as the distance from the gingival margin to the mucogingival junction. A single calibrated examiner recorded the measurements using the digital vernier caliper with a resolution of 0.01 mm. Results Gingival thickness and width were found to be significantly higher in pigmented than nonpigmented gingiva. Also, the maxillary arch was found to have thicker and wider gingiva than the mandibular arch in both the groups. The gingival thickness was found to be maximum in central incisor and minimum in canine in both the groups. However, the width of keratinized gingiva was found to be maximum in lateral incisor in group 1 (pigmented) and central incisor in group 2 (nonpigmented) and minimum in canine in both the groups. Conclusion A significant positive correlation in gingival thickness and width was observed according to dental arch and location in both pigmented and nonpigmented gingiva.
Grinspans’s syndrome is an enigmatic condition, be it a separate entity or a drug-induced reaction occurring due to the medications used to treat hypertension and diabetes mellitus. It is a triad of oral lichen planus, diabetes mellitus and hypertension. Oral lichen planus is an autoimmune chronic mucocutaneous non-infectious inflammatory condition involving skin, mucosa or both. Diabetes is associated with a history of hyperglycaemia leading to a rapid destruction of bone and non-mineralised connective tissue leading to periodontitis. Grinspan syndrome with periodontitis has been rarely reported. It remains a rare entity, as little research has been performed in this area. In this article, we present a 68-year-old female patient with swollen gums and severe burning sensation in the oral cavity, including a history of type 2 diabetes 33 mellitus, depression and hypertension. Clinical attachment loss and generalised recession were recorded on examination.
A circularly polarized compact antenna with resonant frequency at 6.2 GHz is proposed for fixed Satellite communication applications. The impedance bandwidth (IBW) of extends from 6.03 GHz to 6.49 GHz. An elliptical structure is etched from the radiator and the ground is inclined along with a circular stub to perturb the current for circular polarization (CP) with the axial ratio extending from 6.03 GHz to 6.29 GHz, and covers 56.52% of the band.
The aim of this study was to ascertain the effects of vertical and horizontal distances between the maxillary central incisors on the presence of interproximal dental papilla and to assess the association between the embrasure morphology and central papilla recession.The central papilla was visually assessed in 50 subjects using the standardized periapical radiographs of maxillary central incisors. The following vertical distances were measured; distance from the contact point to papilla tip, CP to proximal cementoenamel (pCEJ) junction, bone crest to CP (BC-CP) and BC-PT. The horizontal distance measured was interdental width (IDW) at pCEJ level. The measurements were recorded using a digital electronic caliper.Significant association between the embrasure morphology and central papilla recession was observed for all study groups. All the interdental variables were significantly related to the presence of interdental papillae, with BC-CP distance being the strongest determinant of central papilla presence. The percentage of interdental papilla presence was 100% when the BC-CP distance was ≤6 mm and IDW ranged between 0.5 and 1.5 mm. Central papilla recession was observed most frequently with wide-long and narrow-long embrasure morphology.In relation to maxillary central incisors, all the interdental variables have significant influences on the presence of interdental papillae, with distance from BC to CP being the strongest determinant of central papilla presence.
a compact dual-band textile antenna is designed for wearable 5G and Wi-Fi 6E communication. The full ground of antenna is modified using two circular slots with an appropriate radius for improving the impedance matching towards the desired band. The designed vase-shaped ground structure with an elliptical-shaped radiator is obtaining the high-speed Wi-Fi 6E band in the antenna. Further, a CSRR is accomplished in the radiator which perturbs the surface wave effectively and the antenna achieves a lower operating band in the allotted 5G spectrum. The CSRR also improves the total gain of the antenna in the lower operating band which makes it more advantageous in wearable wireless communication. 10 dB IBW of dual band antenna is varying between 3.4 - 4.1 GHz and 6.2 – 7.1 GHz. To confirm the on-body radiation effect, the specific absorption ratio (SAR) is extracted from three layered human phantom models and the values of obtained SAR are quite healthy.