sample.xml

<annotation>
    <folder>xxx</folder>
    <filename>sample.tif</filename>
    <source>
        <database>xxxx</database>
        <annotation>xxxx</annotation>
        <image>xxxx</image>
        <flickrid>0</flickrid>
    </source>
    <owner>
        <flickrid>xxxx</flickrid>
        <name>xxxx</name>
    </owner>
    <size>
        <width>1000</width>
        <height>600</height>
        <depth>3</depth>
    </size>
    <segmented>0</segmented>
    <object>
        <name>ship</name>
        <pose>Unknown</pose>
        <truncated>1</truncated>
        <difficult>0</difficult>
        <bndbox>
            <x0>665</x0>
            <y0>572</y0>
            <x1>527</x1>
            <y1>529</y1>
            <x2>695</x2>
            <y2>2</y2>
            <x3>832</x3>
            <y3>45</y3>
        </bndbox>
    </object>
</annotation>