{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T18:31:45Z","timestamp":1771698705290,"version":"3.50.1"},"reference-count":15,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2005,10,20]],"date-time":"2005-10-20T00:00:00Z","timestamp":1129766400000},"content-version":"vor","delay-in-days":4706,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Imaging Syst Tech"],"published-print":{"date-parts":[[1992,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Multiresolution representation of images using the wavelet transform is a new approach for the analysis of image information content. The transform can be computed efficiently by a pyramidal algorithm based on convolution with quadrature mirror filters. The result is a set of subband images which consists of a lower resolution version of the original image and a sequence of detail images containing higher frequency spectral information. We used this representation for the supervised segmentation of polarimetric SAR images of the San Francisco Bay area acquired by the airborne JPL system for identifying various terrain covers. Since the wavelet transform generates the localized spatial and spectral information simultaneously, detailed knowledge of the texture variations within an image can be extracted from the data in the spectral subbands. The segmentation algorithm developed in this paper is formulated by taking into consideration both the intensity and the texture information. For polarimetric SAR images, the classification accuracy can be enhanced, if the combined data from copolarized and cross\u2010polarized images are used in the discrimination process. In contrast to other texture segmentation approaches, this algorithm does not require extensive calculations.\u00a91993 John Wiley &amp; Sons Inc<\/jats:p>","DOI":"10.1002\/ima.1850040411","type":"journal-article","created":{"date-parts":[[2007,3,5]],"date-time":"2007-03-05T22:52:28Z","timestamp":1173135148000},"page":"319-326","source":"Crossref","is-referenced-by-count":10,"title":["Segmentation of SAR images using the wavelet transform"],"prefix":"10.1002","volume":"4","author":[{"given":"Li\u2010Jen","family":"Du","sequence":"first","affiliation":[]},{"given":"Jong\u2010Sen","family":"Lee","sequence":"additional","affiliation":[]},{"given":"Karl","family":"Hoppel","sequence":"additional","affiliation":[]},{"given":"Stephen A.","family":"Mango","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2005,10,20]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/79.91217"},{"key":"e_1_2_1_3_2","first-page":"429","article-title":"Theory of communications","volume":"93","author":"Gabor D.","year":"1946","journal-title":"J. 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