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The recent development in night fusion research focused on fusing both illuminated and non-illuminated areas simultaneously however, the natural color of the light area may be lost. Moreover, the contrast of the illuminated regions decreases because of the dark pixels surrounding those regions. Hence, the color and contrast should be improved to obtain the actual color of the illuminated regions. We propose a fuzzy inference system based wavelet fusion to enhance the light regions of a nonuniform illuminated night video surveillance system. To include spatial and temporal variations of the illuminated regions, a spatio-temporal illumination approach is used. A contribution index of the illuminated regions is generated using a fuzzy membership function. Subsequently, the stationary wavelets are used to decompose high-frequency and low-frequency coefficients of both night and day background frames for frame fusion. The contribution index selects the illuminated regions presented in these wavelet coefficients for fusion. Finally, the inverse wavelet transform is applied to reconstruct the illumination enhanced frame. The proposed approach effectively highlights the illuminated regions and provides a better visual perception.<\/jats:p>","DOI":"10.3233\/jifs-169257","type":"journal-article","created":{"date-parts":[[2017,3,31]],"date-time":"2017-03-31T18:23:30Z","timestamp":1490984610000},"page":"3143-3149","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["A fuzzy fusion approach to enlighten the\u00a0illuminated regions of night surveillance\u00a0videos"],"prefix":"10.1177","volume":"32","author":[{"given":"T.","family":"Soumya","sequence":"first","affiliation":[{"name":"Department of Computer Science and Engineering, College of Engineering Trivandrum, LBS Centre for Science and Technology, Kerala, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sabu M.","family":"Thampi","sequence":"additional","affiliation":[{"name":"Indian Institute of Information Technology and Management-Kerala, Kerala, 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