Systems and methods for enhancing optical sensor devices
An optical sensor, imaging device technology, applied in optics, stereo systems, optical components, etc., can solve the problems of inability to provide scene depth information, low resolution, etc.
Active Publication Date: 2022-03-25
CTRL LABS CORP
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Problems solved by technology
However, conventional optical sensor devices and systems may have various limitations
For example, conventional image sensors that capture standard images from light in the visible spectrum may not provide depth information of the scene
Conversely, conventional time-of-flight (ToF) sensors may have lower resolution than other image sensors, at least in part due to the circuitry required to demodulate reflected signals to calculate depth within a scene
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[0030] The present disclosure generally relates to systems, apparatus, and methods that employ a matrix of variable phase optical elements (e.g., diffractive optical elements (DOEs)) to introduce phase delays into the wavefront of light received through a lens, thereby enhancing optical sensors and capturing aspects of a scene performance of the device. These enhancements may be about how light passes through the variable phase optical element and, in some embodiments, may also be about moving the matrix or another optical component of the optical device (e.g., a sensor or lens). For example , the phase delay introduced by the matrix of variable phase optical elements can enable the optical sensor to capture at least two different views of the scene, and the systems and devices presented herein can use the different views to provide or increase the resolution of the output image or frame of the optical device rate (e.g., in angle, depth, and / or spectral dimensions).
[0031] T...
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Abstract
The present disclosure relates to systems and methods for enhancing optical sensor devices. The disclosed imaging device may include: an optical sensor; a lens positioned to focus light from a scene onto the optical sensor; a matrix of variable phase optical elements sized to introduce at least two different phase delays to the in a wavefront of light from the scene; and a housing coupling the matrix of variable phase optical elements to the optical sensor. The housing may position the matrix at least substantially perpendicular to the optical axis of the optical sensor and may enable the optical sensor to capture at least two different views of the scene for each output image. Various other methods, systems, and computer-readable media are also disclosed.
Description
technical field [0001] The present disclosure relates to systems and methods for enhancing optical sensor devices. Background technique [0002] Imaging systems may use optical sensors in a variety of applications to capture images, video, and other information characterizing a scene or objects within a scene. However, conventional optical sensor devices and systems may have various limitations. For example, conventional image sensors that capture standard images from light in the visible spectrum may not be able to provide depth information of a scene. In contrast, traditional time-of-flight (ToF) sensors may have lower resolution than other image sensors, at least in part due to the circuitry required to demodulate reflected signals to calculate depth within a scene. Furthermore, some conventional hyperspectral imaging systems are designed to increase spectral resolution at the expense of spatial resolution. Accordingly, improved imaging devices, systems and methods are...
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IPC IPC(8): H04N5/225H04N13/20H04N13/271G02B27/42
CPCG02B27/4205H04N13/20H04N13/271H04N23/55H04N23/54H04N5/2226H04N23/951H04N23/67
Inventor 马诺杰·比库芒德拉安德鲁·马修·巴尔达居奇纳·哈泽格
Owner CTRL LABS CORP