Rambus outs Binary Pixel phone camera tech at MWC: 'single-shot HDR and improved low-light sensitivity in a single explosure'


Rambus has been working on a very promising CMOS camera sensor tech that allows you to take ultra-high dynamic range photos with current phone cam production methods.

The 'Binary Pixel' invention keeps track of when each pixel has maxed out its light accumulation, then resets it to regain the exposure, thus allowing for HDR photography on the fly without any post-processing to slow things down, and getting around the "saturation point" threshold of current mobile sensors.

Wait, there's more - the method also employs a "Binary Operation" tech, which can vary the photon thresholds, similar to how the human eye fits light and dark clearly in the scene, and also Spatial Oversampling, which combines the results from individual pixels for the best info. According to Rambus, Binary Pixel will bring:

  • Improved image quality optimized at the pixel level
  • Single-shot HDR photo and video capture operates at high-speed frame-rates
  • Improved signal-to-noise performance in low-light conditions
  • Silicon-proven technology for mobile form factors
  • Easily integratable into existing SoC architectures
  • Compatible with current CMOS image sensor process technology

The company has a proof-of-concept CMOS sensor on display at the MWC expo, and here are the possible results from future handsets utilizing the technology.

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