A novel multi-stage pipelined extended-counting (EC) IDS for 3D-stacked CMOS image sensors is presented, which combines the benefits of a pipelined ADC, a first-order IDS ADC and the EC principle in order to simultaneously achieve a high resolution and a high frame rate for 3D-stacked imagers. By assigning each stage of the pipeline to a sub-column of pixels while choosing another input stage of the pipeline when a sub-column has been read out, discontinuous rolling shutter artefacts like chopped images can be eliminated and frame rates up to 340 fps can be achieved for imagers with 8 K resolution.
Radiographies of moving objects are affected of typical artefacts. The problems encountered in interpreting such pictures are described. Numerical and computing tools provided in order to solve these problems are presented.
Analysis of moving object radiographiesThe main artefacts encountered in our pictures were the following : -a relatively poor signal /noise ratio -blurring effect relative to the motion of the object -penombra effect correlated to the X -ray source focal spot diameter -scattering radiation added to the picture -perturbation induced by the external protecting structures T T Array Processor AP 120 B Controller Monitor 1 Key board 1 TRIMIX SYSTEM Monitor 2 Key board 2 Abstract Key board 1 Key board 2 TRIMIX SYSTEM 204 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/23/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx
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