Translate the following English sentence to French:
"However, as the Commission report and the report of the Committee on Regional Policy, Transport and Tourism point out, short sea shipping is suffering from a poor public image in terms of its cost, slowness and inefficiency."
Au demeurant, comme le soulignent le rapport de la Commission et le rapport de la commission régionale et des transports, les transports maritimes à courte distance souffrent d' une mauvaise image de marque en terme de coût, de lenteur et d' inefficacité.