Public/Get-RdlcEmbeddedImage.ps1

function Get-RdlcEmbeddedImage
{
    param
    (
        [Parameter(Mandatory, Position=0, ValueFromPipeline, ValueFromPipelineByPropertyName)]
        [Alias('FullName')]
        [string[]]$Path
    )

    process
    {
        $Path.ForEach{
            $CurrentPath = $_

            Select-Xml `
                -Path $CurrentPath `
                -XPath '//sql:EmbeddedImage' `
                -Namespace @{'sql' = 'http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition'}
            | ForEach-Object {
                [PSCustomObject]@{
                    PSTypeName  = 'UncommonSense.Rdlc.Utils.EmbeddedImage'
                    Path = $CurrentPath
                    Name = $_.Node.GetAttribute('Name')
                }
            }
        }
    }
}