Unless you're trying to make a movie on the sly, there's no way to get around this. If you want to use public spaces, film on the streets, have the cooperation of the police, you have to have a permit.
“As far as playing jazz, no other art form, other than conversation, can give the satisfaction of spontaneous interaction.”
“Facebook says, 'Privacy is theft,' because they're selling your lack of privacy to the advertisers who might show up one day.”