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    <identifier>10.57760/sciencedb.28666</identifier>
    <datestamp>2025-08-01T11:36:30Z</datestamp>
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  <dc:date>2025-08-01</dc:date>
  <dc:title>Litchi Variety Dataset</dc:title>
  <dc:identifier>doi:10.57760/sciencedb.28666</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>Litchi Variety Raw Image Dataset DescriptionDataset ContentThis dataset contains&amp;nbsp;11,998 pure raw images&amp;nbsp;across 12 litchi varieties. All images are original captures with&amp;nbsp;NO data expansion, augmentation, or enhancement.Variety ListComplete list of varieties:Osmanthus-Fragr LitchiGlu-Rice Ciba LitchiTrib-Royal LitchiChk-Beak LitchiIcy-Flesh LitchiWax-Shiny Leaf LitchiGrn-Circle LitchiMar-Orange LitchiHoney-Jar LitchiConcubine-Smile LitchiBlk-Green Leaf LitchiSci-Cultivar No.1Data SourceOriginal images collected in Maoming, Guangdong, ChinaShooting backgrounds: White / Blue / BlackAnnotation ProcessAll images were&amp;nbsp;manually annotated using Labelimg&amp;nbsp;to generate JSON files. These annotations were&amp;nbsp;batch-converted to standard YOLO txt format&amp;nbsp;(class x_center y_center width height) with traceable naming conventions.Label StorageConverted labels are stored in&amp;nbsp;dedicated structured directories&amp;nbsp;(/labels/), maintaining 1:1 correspondence with image files for seamless integration.Data PartitionTrain set: 8,199 raw images + labels (68.33%)Validation set: 2,330 raw images + labels (19.42%)Test set: 1,469 raw images + labels (12.25%)Total: 11,998 images (minor deviation from 12,000 due to rounding)Technical IntegrityEnsures:Precision: Human annotation with cross-validationStandardization: YOLO-compliant label formatsUsability: Ready-to-use directory architecture</dc:description>
  <dc:subject>Fine-grained Litchi Annotation; Fine-grained Litchi Annotation  Standardized Agricultural Dataset; YOLO Label Conversion</dc:subject>
  <dc:creator>Xu Bing</dc:creator>
  <dc:creator>Su Xueping</dc:creator>
  <dc:creator>Ma Zejie</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by-nc/4.0/</dc:rights>
  <dc:type>dataset</dc:type>
  <dc:publisher>Science Data Bank</dc:publisher>
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