{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T16:24:13Z","timestamp":1779294253110,"version":"3.51.4"},"reference-count":20,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,8,13]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>At present, the amount of information on power grid operation and maintenance monitoring image data is increasing, and the requirements for data compression are higher and higher. Based on the improved SPIHT image compression algorithm, this study presents the research of power grid data compression. First, the basic theory of image compression, and the principle of one-dimensional wavelet transform and two-dimensional wavelet transform are introduced. The development process, characteristics, and advantages of image coding are discussed. Then, the shortcomings of the SPIHT algorithm are analyzed, and the SPIHT coding is improved by parallel computation. The parallel wavelet transform algorithm based on the block idea and the parallel SPIHT coding algorithm based on the code tree are proposed in the data parallelism of the compression algorithm. At the same time, the data dependence between tasks in the process of SPIHT image compression coding is analyzed, and the task parallelism in the compression algorithm is realized by using the relative independence of tasks in different threshold coding. Finally, the application and simulation analysis of power grid data based on the SPIHT compression algorithm, the construction of power grid data model simulation, and the composition of two-dimensional power grid data images are carried out. Secondly, the obtained 2D power grid data image is compressed by the SPIHT algorithm and improved SPIHT algorithm, respectively, and the compression effect of the two algorithms on the power grid data image is compared. When the bit rate is 0.5, the compression effect of the improved SPIHT algorithm is 13.6506. When the bit rate is 1, the compression effect of the improved SPIHT algorithm is 18.9287. The results show that the improved SPIHT algorithm can compress the grid data to obtain better grid image quality.<\/jats:p>","DOI":"10.1515\/jisys-2024-0112","type":"journal-article","created":{"date-parts":[[2024,8,13]],"date-time":"2024-08-13T07:41:49Z","timestamp":1723534909000},"source":"Crossref","is-referenced-by-count":3,"title":["Research on image compression technology based on improved SPIHT compression algorithm for power grid data"],"prefix":"10.1515","volume":"33","author":[{"given":"Min","family":"Liu","sequence":"first","affiliation":[{"name":"State Grid Jibei Electric Power Company Limited , Shuozhou , 100054 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guoliang","family":"Zhou","sequence":"additional","affiliation":[{"name":"State Grid Jibei Electric Power Company Limited Training Center , Baoding , 071051 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongxu","family":"Wang","sequence":"additional","affiliation":[{"name":"State Grid Jibei Electric Power Company Limited Training Center , Baoding , 071051 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Zheng","sequence":"additional","affiliation":[{"name":"State Grid Jibei Electric Power Company Limited Training Center , Baoding , 071051 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2024,8,13]]},"reference":[{"key":"2025120517272096887_j_jisys-2024-0112_ref_001","doi-asserted-by":"crossref","unstructured":"Zhang N, Jin L, Wu Y, Zhang K. 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