A scientific journal article sheds new light on the insane 18K x 18K image sensor being used to make content for Sphere in Las Vegas.
offers incredible technical information about the massive 316-megapixel HDR image sensor inside the state-of-the-art cinema camera.
Typically, extremely high-resolution video is created by stitching together multi-camera array video. This is similar to how photographers stitch multiple images to create large panoramic photos. However, stitching video is more complex because there are not only many frames , but the motion inherent in video creates artifacts like ghosting, blur, and discontinuity due to parallax.
Figure 7: Data aggregation and readout order for the sensor when it is operating in its dual-gain mode. | Credit: “A 316MP, 120FPS, High Dynamic Range CMOS Image Sensor for Next Generation Immersive Displays” by Agarwal et al. The paper also outlines some key specifications of the image sensor, including that it has a 4.3 µm pixel pitch, active pixels of 18,000 x 17,568, and operates with 12-bit ADC precision.already knew the sensor’s overall size , which is a remarkable 77.5 x 75.6 millimeters. For contrast, a full-frame image sensor is 36 x 24 mm. The paper reveals that the sensor’s die size is 99.2 x 83.1 mm.
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