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FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation

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  FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation Sam Wormley <swormley1@gmail.com> - 2015-11-23 07:38 -0600
    Re: FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation jimp@specsol.spam.sux.com - 2015-11-23 18:55 +0000

#534766 — FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation

FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation
> http://arxiv.org/pdf/1509.00116v1.pdf


>
> FlatCam is a thin form-factor lensless camera that consists of a
> coded mask placed on top of a bare, conventional sensor array. Unlike
> a traditional, lens-based camera where an image of the scene is
> directly recorded on the sensor pixels, each pixel in FlatCam records
> a linear combination of light from multiple scene elements. A
> computational algorithm is then used to demultiplex the recorded
> measurements and reconstruct an image of the scene. FlatCam is an
> instance of a coded aperture imaging system; however, unlike the vast
> majority of related work, we place the coded mask extremely close to
> the image sensor that can enable a thin system. We employ a separable
> mask to ensure that both calibration and image reconstruction are
> scalable in terms of memory requirements and computational
> complexity. We demonstrate the potential of the FlatCam design using
> two prototypes: one at visible wavelengths and one at infrared
> wavelengths.




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#534861

Sam Wormley <swormley1@gmail.com> wrote:
> FlatCam: Thin, Bare-Sensor Cameras using Coded Aperture and Computation
>> http://arxiv.org/pdf/1509.00116v1.pdf
> 
> 
>>
>> FlatCam is a thin form-factor lensless camera that consists of a
>> coded mask placed on top of a bare, conventional sensor array. Unlike
>> a traditional, lens-based camera where an image of the scene is
>> directly recorded on the sensor pixels, each pixel in FlatCam records
>> a linear combination of light from multiple scene elements. A
>> computational algorithm is then used to demultiplex the recorded
>> measurements and reconstruct an image of the scene. FlatCam is an
>> instance of a coded aperture imaging system; however, unlike the vast
>> majority of related work, we place the coded mask extremely close to
>> the image sensor that can enable a thin system. We employ a separable
>> mask to ensure that both calibration and image reconstruction are
>> scalable in terms of memory requirements and computational
>> complexity. We demonstrate the potential of the FlatCam design using
>> two prototypes: one at visible wavelengths and one at infrared
>> wavelengths.
 
A classic $100 solution to a $0.10 problem.
 

-- 
Jim Pennino

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