{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T00:59:02Z","timestamp":1782521942529,"version":"3.54.5"},"reference-count":41,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2023,12,3]],"date-time":"2023-12-03T00:00:00Z","timestamp":1701561600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["32201952"],"award-info":[{"award-number":["32201952"]}]},{"name":"National Natural Science Foundation of China","award":["2022YFD2100205-01"],"award-info":[{"award-number":["2022YFD2100205-01"]}]},{"name":"National Natural Science Foundation of China","award":["CAAS-ASTIP-G2022-IFST-08"],"award-info":[{"award-number":["CAAS-ASTIP-G2022-IFST-08"]}]},{"name":"National Key R&amp;D Program of China","award":["32201952"],"award-info":[{"award-number":["32201952"]}]},{"name":"National Key R&amp;D Program of China","award":["2022YFD2100205-01"],"award-info":[{"award-number":["2022YFD2100205-01"]}]},{"name":"National Key R&amp;D Program of China","award":["CAAS-ASTIP-G2022-IFST-08"],"award-info":[{"award-number":["CAAS-ASTIP-G2022-IFST-08"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["32201952"],"award-info":[{"award-number":["32201952"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["2022YFD2100205-01"],"award-info":[{"award-number":["2022YFD2100205-01"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["CAAS-ASTIP-G2022-IFST-08"],"award-info":[{"award-number":["CAAS-ASTIP-G2022-IFST-08"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The total viable count (TVC) of bacteria is an important index to evaluate the freshness and safety of dishes. To improve the accuracy and robustness of spectroscopic detection of total viable bacteria count in a complex system, a new method based on a near-infrared (NIR) hyperspectral hybrid model and Support Vector Machine (SVM) algorithms was developed to directly determine the total viable count in intact beef dish samples in this study. Diffuse reflectance data of intact and crushed samples were tested by NIR hyperspectral and processed using Multiplicative Scattering Correction (MSC) and Competitive Adaptive Reweighted Sampling (CARS). Kennard\u2013Stone (KS) and Samples Set Partitioning Based on Joint X-Y Distance (SPXY) algorithms were used to select the optimal number of standard samples transferred by the model combined with root mean square error. The crushed samples were transferred into the complete samples prediction model through the Direct Standardization (DS) algorithm. The spectral hybrid model of crushed samples and full samples was established. The results showed that the Determination Coefficient of Calibration (RP2) value of the total samples prediction set increased from 0.5088 to 0.8068, and the value of the Root Mean Square Error of Prediction (RMSEP) decreased from 0.2454 to 0.1691 log10 CFU\/g. After establishing the hybrid model, the RMSEP value decreased by 9.23% more than before, and the values of Relative Percent Deviation (RPD) and Reaction Error Relation (RER) increased by 12.12% and 10.09, respectively. The results of this study showed that TVC instewed beef samples can be non-destructively determined based on the DS model transfer method combined with the hybrid model strategy. This study provided a reference for solving the problem of poor accuracy and reliability of prediction models in heterogeneous samples.<\/jats:p>","DOI":"10.3390\/s23239584","type":"journal-article","created":{"date-parts":[[2023,12,3]],"date-time":"2023-12-03T04:59:16Z","timestamp":1701579556000},"page":"9584","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Rapid Detection of Total Viable Count in Intact Beef Dishes Based on NIR Hyperspectral Hybrid Model"],"prefix":"10.3390","volume":"23","author":[{"given":"Wensong","family":"Wei","sequence":"first","affiliation":[{"name":"Key Laboratory of Agricultural Product Processing, Ministry of Agriculture\/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China"},{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengjuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fangting","family":"Fu","sequence":"additional","affiliation":[{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuo","family":"Sang","sequence":"additional","affiliation":[{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen","family":"Qiao","sequence":"additional","affiliation":[{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"821","DOI":"10.1016\/j.foodres.2013.08.011","article-title":"Rapid detection of total viable count (TVC) in pork meat by hyperspectral imaging","volume":"54","author":"Huang","year":"2013","journal-title":"Food Res. 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