What's DOL WDR?
DOL WDR stands for digital overlap wide dynamic range, it's the next generation Sensor-based WDR technology exclusively developed by Sony.
Sony has launched several new CMOS image sensors to support DOL WDR function. The DOL WDR image sensors can output up to three frames of images alternately on each line, DOL WDR function requires a dedicated image signal processor to control and processing. However, DOL WDR can provide many advantages such as improved characteristics in low-light environments compared to conventional WDR that uses multiple frame set output. (See Figure 1.)
In challenging lighting conditions, DOL-WDR is capable of capturing both dark and bright part then combining the differences into a scene to generate a highly realistic image.
Reference: https://www.hkvstar.com/technology-news/d-wdr-vs-wdr-vs-blc-technology.html
Sony CMOS Image Sensors
| Model | Specification | Remark |
| IMX238LQJ-C | 1/3” 1.3M CMOS, 720p 60fps | NIR |
| IMX224LQR-C | 1/3” 1.2-Megapixel 720P 120fps | DOL WDR |
| IMX225LQR-C | 1/3” 1.2-Megapixel 720p 120fps | DOL WDR |
| IMX236LQJ-C | 1/3” 2.4-Megapixel CMOS, 1080p 120fps | |
| IMX290LQR-C | 1/2.8” 2.1-Megapixel CMOS 1080P 120 fps | DOL WDR, STARVIS |
| IMX291LQR-C | 1/2.8” 2.1-Megapixel CMOS 1080P 120fps | STARVIS |
| IMX185LQJ-C | 1/1.9 2.4-Megapixel CMOS 1080p 120fps | |
| IMX123LQT-C | 1/2.8” 3.2-Megapixel CMOS , 1080P 120fps | DOL WDR |
| IMX124LQT-C | 1/2.8” 3.2-Megapixel CMOS, 1080p 60fps | |
| IMX178LQJ-C | 1/1.8” 6.3-Megapixel CMOS, 60fps | STARVIS |
| IMX172LQT-C | 1/2.3” 12.4-Megapixel CMOS, 30fps | |
| IMX226CQJ-C | 1/1.7” 12.4-Megapixel CMOS 30fps | |
| IMX274LQC-C | 1/2.5” 8.5-Megapixel CMOS 60fps | STARVIS |
| IMX323LQN | 1/2.9” 2.19-Megapixel CMOS, 1080p 30fps | STARVIS |
| ISX017-0AWR-C | 1/3.2” 1.27-Megapixel CMOS 720P 60fps | STARVIS |
Product application
720p IP Camera
1080p IP Camera
Sony 3MP IP Camera
Panoramic/Fisheye IP Camera
Sony 4K UHD / 2K IP Camera
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