Description
What is WDR (Wide Dynamic Range)?
WDR enables the camera to capture details simultaneously in very bright and very dark areas of the same scene.
Typical WDR techniques:
- Multi-Exposure HDR (MEHDR)_: Capture multiple exposures per frame (short + long) and fuse them.
- Dual-gain or Multi-gain_: Sensor reads each pixel at multiple gain levels and combines results.
- Local tone mapping_: Software/firmware processes high-dynamic-range raw data to produce viewable images.
WDR is essential when bright light sources (sunlight, headlights, reflections) and shadowed regions coexist.
Key features & specifications
- Interface: USB 2.0 (UVC compliant)
- Video modes: up to 1080p@30fps (model‑dependent) or 720p/30fps for smaller sensors
- Sensor effective pixels: 2MP
- Lens: fixed focal / M12 or custom options
- Low‑light support: Yes
- Power: USB bus‑powered (5 V)
- Driver: UVC standard — no proprietary driver required
- Form factor: PCBA module or enclosed housing options
- Environmental: operating temperature typical −20°C to +70°C
Typical applications
- General inspection and diagnostics
- Entry‑level machine vision and quality control
- OEM integration into kiosks, point‑of‑sale, and medical devices
- Education, prototyping and development
- Video conferencing / telepresence modules
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