FGSR: A Fine-Grained Ship Retrieval Dataset and Method in Smart Cities

Table 1

The partial parameter of our adapted camera.

Camera	Image sensor	1/1.8 progressive scan CMOS
	Shutter speed	1/1 s ∼1/30,000 s
	Focus	Auto; semiauto; manual
	WDR	140 dB WDR
	Digital zoom	16x
	Optical zoom	40x
Lens	Focal length	6.0 mm to 240 mm,
	Zoom speed	Approx.5.6 s
	Aperture	F1.2
Illuminator	IR distance	Up to 400 m IR distance
PTZ	Movement range (Pan)	360
	Movement range (Tilt)	+40 ∼ -90
	Presets	300
	Patrol scan	8 patrols
	Pattern scan	Pattern scans