Comparison Of Modified Dual Ternary Indexing And Multi-Key Hashing Algorithms For Music Information Retrieval

In this work we have compared two indexing algorithms that have been used to index and retrieve Carnatic music songs. We have compared a modified algorithm of the Dual ternary indexing algorithm for music indexing and retrieval with the multi-key hashing indexing algorithm proposed by us. The modification in the dual ternary algorithm was essential to handle variable length query phrase and to accommodate features specific to Carnatic music. The dual ternary indexing algorithm is adapted for Carnatic music by segmenting using the segmentation technique for Carnatic music. The dual ternary algorithm is compared with the multi-key hashing algorithm designed by us for indexing and retrieval in which features like MFCC, spectral flux, melody string and spectral centroid are used as features for indexing data into a hash table. The way in which collision resolution was handled by this hash table is different than the normal hash table approaches. It was observed that multi-key hashing based retrieval had a lesser time complexity than dual-ternary based indexing The algorithms were also compared for their precision and recall in which multi-key hashing had a better recall than modified dual ternary indexing for the sample data considered.Comment: 11 pages, 5 figure

Isolation and Biomedical Screening of the Tissue Extracts of Two Marine Gastropods Hemifusus pugilinus (Born, 1778) and Natica didyma (Roding, 1798)

The in vitro antibacterial activity of the acetone and methanol extracts of the marine gastropods Hemifusus pugilinus (Born, 1778) and Natica didyma (Roding, 1798) were tested against Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Enterobacter aerogenes following standard disc diffusion method. Highest activity (19.3±0.39 mm) was observed in the methanol extract of N. didyma against E. coli. The extracts were also subjected to anti-inflammatory activity using human red blood cell (HRBC) membrane stabilisation method. All the extracts exhibited antiinflammatory activity, and was high in the acetone extract of H. pugilinus (72.58±1.66%) at 1mL concentration. However, the control drug hydrocortisone exhibited significantly higher activity than the tissue extracts of both the animals. The extracts were screened for their alpha amylase inhibitory activity also and all the extracts inhibited the alpha amylase enzyme activity. Among the mollusc extracts, maximum inhibition was observed in H. pugilinus acetone extract at 50 μL concentration (72.23±0.44%). But, the control drug (Acarbose) had significantly higher inhibitory action than the tissue extracts of both the animals. The amount of protein was comparatively high in the tissue of both H. pugilinus (1.34±5.63 μg.mL-1) and N. didyma (0.90±4.37 μg.mL-1) than carbohydrates and lipids

Cervical growth in a young woman: a case report

Genital tuberculosis, a silent killer of menstrual function and fertility potential is common in developing countries like India. Cervical TB is extremely rare and it accounts for 0.1-0.65% of all the cases of tuberculosis and 5-24% of all the genital tuberculosis cases. The clinical presentation of genitourinary tuberculosis is variable in nature and it can also be asymptomatic. Here, we are reporting a rare case of cervical tuberculosis clinically masquerading as cervical malignancy presenting with secondary amenorrhoea