<?xml version="1.0" encoding="UTF-8"?>

<?xml-stylesheet type="text/xsl" href="/static/oaitohtml.xsl"?>

<!--
<?xml-stylesheet type="text/xsl" href="/oaitohtml.xsl"?>
-->

<OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <responseDate>2026-10-15T01:33:31Z</responseDate>
    <request verb="GetRecord" metadataPrefix="oai_dc" identifier="10.57760/sciencedb.26249" >https://www.scidb.cn/oai</request>
<GetRecord>
    <record>
    <header >
    <identifier>10.57760/sciencedb.26249</identifier>
    <datestamp>2025-06-12T17:51:57Z</datestamp>
</header>
    <metadata>
        
<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:date>2025-06-12</dc:date>
  <dc:title>Lychee Pest Damage images</dc:title>
  <dc:identifier>doi:10.57760/sciencedb.26249</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>Lychee Pest Damage Dataset (LPDD) v1.0is the world's first multi-sensor image database targeting pathological features of the lychee stem borer (Conopomorpha sinensis Bradley). Core samples were collected from Gaozhou City (21.78&amp;deg;N, 110.99&amp;deg;E), Maoming, Guangdong Province, China &amp;ndash; a key lychee production region, capturing representative specimens during the peak infestation period of 2024. All fruits underwent standardized agricultural processing and were imaged at the Maonan District laboratory (21.63&amp;deg;N, 110.89&amp;deg;E) using four mainstream mobile phone sensors:iPhone 12 (Apple Custom sensor, 12MP@4032&amp;times;3024, Deep Fusion optimization)Honor 50 (Samsung HM2 sensor, 108MP@12032&amp;times;9024, AI multi-frame fusion)Honor X50 (Samsung HM6 sensor, 108MP@12000&amp;times;9000, multi-frame noise reduction)realme GT Neo (Sony IMX682 sensor, 64MP@9280&amp;times;6944, AI scene detection)The original 3,061 high-resolution images feature two specialized annotation types:Only Wormholes: Precise labeling of 0.3-1.2mm diameter borehole morphology for pixel-level pest segmentation research;Fruit Peel+Wormholes: Preservation of pathological spatial relationships between boreholes and fruit peel tissue to support multi-scale object detection.Through a Python-based illumination robustness enhancement model, 6,122 simulated frontlight/backlight images were generated (illuminance variation &amp;Delta;Lux 500-2000), resulting in a final enhanced dataset of 9,183 images. The dataset's triple scientific value lies in:Geo-pathological traceability: Integration with Gaozhou climate parameters (June 2024: 83% avg. humidity, 31&amp;deg;C avg. high, 25&amp;deg;C avg. low) provides environmental variables for pest prediction models;Pathological feature decoupling: Dual annotation strategies separate core borehole features from pathological peel backgrounds, enhancing interpretability in agricultural AI research.</dc:description>
  <dc:subject>Lychee stem borer; Data augmentation; Maoming</dc:subject>
  <dc:creator>Xu Bing</dc:creator>
  <dc:creator>Ma Zejie</dc:creator>
  <dc:creator>Su Xueping</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/</dc:rights>
  <dc:type>dataset</dc:type>
  <dc:publisher>Science Data Bank</dc:publisher>
</oai_dc:dc>

    </metadata>
</record>
</GetRecord>
</OAI-PMH>