Segmentation of heterogeneous document images : an ... - Tel
Segmentation of heterogeneous document images : an ... - Tel
Segmentation of heterogeneous document images : an ... - Tel
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tel-00912566, version 1 - 2 Dec 2013<br />
Figure 4.13: This figure displays two types <strong>of</strong> error that frequently occur in the<br />
results <strong>of</strong> text region detection. They happen when there are gaps between words. If<br />
the gap is located in the middle <strong>of</strong> the text region, it appears as holes A <strong>an</strong>d if it exists<br />
near the border <strong>of</strong> the text region, it causes penetrations B. Both problems c<strong>an</strong> be<br />
fixed in the post-processing stage.<br />
Figure 4.14: This figure displays a serious problem when the title <strong>of</strong> the page divides<br />
into two isolated text regions. Currently there is no fix for his problem <strong>an</strong>d the use <strong>of</strong><br />
morphological opening is not recommended to solve it.<br />
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