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However, in recent times, with the extensive use of surveillance systems and the substantial increase in the volume of recorded scenes, the conventional analysis of categorizing anomalous events has proven to be a difficult task. As a result, machine learning researchers require a smart surveillance system to detect anomalies. This research introduces a robust system for predicting pedestrian anomalies. First, we acquired the crowd data as input from two benchmark datasets (including Avenue and ADOC). Then, different denoising techniques (such as frame conversion, background subtraction, and RGB\u2010to\u2010binary image conversion) for unfiltered data are carried out. Second, texton segmentation is performed to identify human subjects from acquired denoised data. Third, we used Gaussian smoothing and crowd clustering to analyze the multiple subjects from the acquired data for further estimations. The next step is to perform feature extraction to multiple abstract cues from the data. These bag of features include periodic motion, shape autocorrelation, and motion direction flow. Then, the abstracted features are mapped into a single vector in order to apply data optimization and mining techniques. Next, we apply the associate\u2010based mining approach for optimized feature selection. Finally, the resultant vector is served to the k\u2010ary tree hashing classifier to track normal and abnormal activities in pedestrian crowded scenes.<\/jats:p>","DOI":"10.1155\/2023\/9822428","type":"journal-article","created":{"date-parts":[[2023,7,25]],"date-time":"2023-07-25T18:35:11Z","timestamp":1690310111000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Anomaly Prediction over Human Crowded Scenes via Associate\u2010Based Data Mining and K\u2010Ary Tree Hashing"],"prefix":"10.1155","volume":"2023","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0166-2239","authenticated-orcid":false,"given":"Affan","family":"Yasin","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2459-1610","authenticated-orcid":false,"given":"Sheikh Badar ud din","family":"Tahir","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6065-3087","authenticated-orcid":false,"given":"Jaroslav","family":"Frnda","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7144-1925","authenticated-orcid":false,"given":"Rubia","family":"Fatima","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3306-1195","authenticated-orcid":false,"given":"Javed","family":"Ali Khan","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8093-6690","authenticated-orcid":false,"given":"Muhammad Shahid","family":"Anwar","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2023,7,25]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-015-3199-8"},{"key":"e_1_2_10_2_2","doi-asserted-by":"crossref","unstructured":"SezerE. 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