$imagePath = 'd:\companyProject\HF-MES-manual\HF-MES-manual\public\image'
$imageEnPath = 'd:\companyProject\HF-MES-manual\HF-MES-manual\public\image_en'
$result = @()

Get-ChildItem -Path $imagePath -Recurse -File | ForEach-Object {
    $relativePath = $_.FullName.Substring($imagePath.Length + 1)
    $enPath = Join-Path $imageEnPath $relativePath
    if (-not (Test-Path $enPath)) {
        $result += [PSCustomObject]@{
            Path = $_.FullName
        }
    }
}

$result | Export-Csv -Path 'd:\companyProject\HF-MES-manual\HF-MES-manual\missing_images.csv' -Encoding UTF8 -NoTypeInformation
Write-Host "Done! Found $($result.Count) missing files"