I was found the solution with .
<p:dialog id="idSchemaDlg5" widgetVar="schemaDlg" styleClass="maxSizeDialog" position="90,250" style="max-width:1000px;max-height: 1000px;" header="Schéma des circuits">
<h:form id="schemaFormId" dir="#{login.dir}">
<ui:repeat value="#{historyGenerationBean.schemaList}" var="fileCircuits" varStatus="schemaNum">
<ui:repeat value="#{fileCircuits}" var="pictureNamesList">
<table>
<tbody>
<tr>
<ui:repeat value="#{pictureNamesList}" var="imageName">
<td>
<h:panelGrid columns="1">
<p:commandLink action="#{historyGenerationBean.fetchMlpppInformation}" update=":schemaFormId" >
<p:graphicImage value="#{imageStreamer.image}">
<f:param name="imgName" value="#{imageName}" />
</p:graphicImage>
<f:param name="imgName2" value="#{imageName}" />
</p:commandLink>
<h:outputText value="#{imageName}" style="width:50%; font-family: Tahoma, Geneva, sans-serif; font-size:70%;color:black;background-color:transparent;text-align:left;"/>
</h:panelGrid>
</td>
</ui:repeat>
</tr>
</tbody>
</table>
</ui:repeat>
</h:form>
</p:dialog>
Many thanks to everyone who helped me(@BalusC too).