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Fall 2011
Image understanding is a general challenge in Artificial Intelligence (AI) because of its complexity. It is considered an AI-complete problem. We focus on the specific, important, and difficult case of microfossil identification, which is currently done manually. Microfossil identification has...
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Low-Area Low-Power Delta-Sigma Column and Pixel Sensors
Fall 2011
Delta-sigma analog-to-digital converters (ADCs) are widely used in audio applications, but their use in video applications is emerging. By introducing novel decimator and modulator design flows, this thesis advances the state-of-the-art in delta-sigma data conversion and image sensing. As the...
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Spring 2012
This thesis proposes a real-time DSP design for logarithmic CMOS image sensors. The design contains novel FPN correction and tone mapping methods suitable for fixed-point operation. Logarithmic CMOS image sensors offer high DR at video rate but suffer from nonlinear FPN. FPN, due to parameter...
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Spring 2020
Moore’s Law is dying, but this is breathing new life into system-on-chip (SoC) architectures. Industry leaders like Intel and Xilinx are investing in heterogeneous computing devices like the reconfigurable SoC, which integrates a field-programmable gate array (FPGA), a multi-core microprocessor...
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Spring 2016
A digital pixel sensor (DPS) array is an image sensor where each pixel has an analog-to-digital converter (ADC). Recently, a logarithmic delta-sigma (ΔΣ) DPS array, using first-order ΔΣ ADCs, achieved wide dynamic range and high signal-to-noise-and-distortion ratios at video rates, requirements...