AngularJs - How to display image in checkbox in ng-grid using condition check

Below is the code where I want to display image in checkbox. This is multi select checkbox.

<div ng-iaf-custom-list="search,views"
                 ng-grid="questionGrid" 
                 ng-data="data/list"
                 ng-schema-data="data" 
                 ng-schema-total="total" 
                 ng-schema-columns="columns" 
                 ng-page-sizes="metadata.pageSizes" 
                 ng-page-size="metadata.pageSize" 
                 ng-refresh="refreshGrid"
                 ng-schema-sort="sortOrder" 
                 ng-schema-filters="filter" 
                 ng-sortable="multiple" 
                 ng-sort="selectedView.sortOrder" 
                 ng-reinit="reinitGrid" 
                 ng-sortable="true" 
                 ng-filterable="true"  
                 ng-selectable="multiple" 
                 ng-on-select="selecteddata = selection">
        </div>