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Photometric/Radiometric calibration of cameras and displays
NU 2014-028 InventorsPaul Olczak John Tumblin* AbstractEven cheap camera phones can sense finer changes in light than the human visual system can perceive, but noise and commonly used over-smoothed approximate calibration limits their ability to accurately measure small but significant changes in light amounts. We developed a software algorithm, AutoLum,...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Computer software, Engineering, Optimization, Sensors
Category(s): Physical Sciences > Engineering & Technology
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Information System for Deployment of Charging Infrastructure in Support of Electric Vehicles
NU 2012-006 Inventor Diego Klabjan*Abstract A Northwestern investigator has developed an algorithm that facilitates the planning of future electric charging station infrastructure. With an expected increase in electric vehicles (EVs) over the next few years, the availability of charging stations will become essential. This information system will enable...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Energy and Infrastructure, Optimization
Category(s): Physical Sciences > Energy & Sustainability
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Time-of-Flight Imaging with Superheterodyne Interferometry
NU 2018-004 InventorsOliver Cossairt*Fengqiang LiFlorian WillomitzerPrassana V. Rangarajan Short DescriptionA method to generate high modulation frequencies using optical superheterodyne interferometry. BackgroundTime-of-flight (ToF) sensors are commonly used for 3D imaging due to their compact size and low complexity. However, the temporal frequencies...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Engineering, Imaging, Optimization, Simulation
Category(s): Physical Sciences > Engineering & Technology
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Ultra-low Power Microprocessor Design
NU 2016-087 InventorsJie Gu* Russ Joseph Short DescriptionA technique that lowers power consumption without sacrificing the speed of a microprocessorAbstractThe conventional microprocessor design has reached a bottleneck on improvement, i.e. it is very difficult to reduce power without trading off performance. Northwestern researchers propose a novel...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Engineering, Optimization
Category(s): Physical Sciences > Engineering & Technology
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Design Techniques for Area and Energy Efficient Time Domain Signal Processing
NU 2015-181 Inventors Jie Gu* Short DescriptionNew design techniques to optimize area and energy consumption in integrated circuits AbstractConventional integrated circuits for digital signal processing have been largely difficult to improve due to energy and area consumption constraints. A new signal processing technique, more specifically a time...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Engineering, Optimization
Category(s): Physical Sciences > Engineering & Technology
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Minimum Area Retiming
NU 2007-163Inventors Jia Wang Hai Zhou* Short DescriptionAn application for EDA software that minimizes register area in large VLSI circuits without changing circuit timing or functionality. AbstractNorthwestern researchers have developed an application for EDA software that minimizes register area in large VLSI circuits without changing circuit timing...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Data mining, Optimization
Category(s): Physical Sciences > Software & Services
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Using Timing Information For Accurate Coupling Power Estimation
NU 2007-108InventorsDiaaEldin KhalilDebjit SinhaHai Zhou*Yehea IsmailShort DescriptionNorthwestern researchers have developed a way to use EDA software to estimate the so-called 'Coupling power' of integrated circuits. By taking into consideration timing dependencies in circuits, the invention can reduce errors to estimate coupling power by as much...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Optimization
Category(s): Physical Sciences > Engineering & Technology
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Speculative Remote Display
NU 2006-119InventorsPeter Dinda*Sam RossoffShort DescriptionA remote display system that eliminates network round-trip times and allows distant users to control a computer or application with a graphical user interface. AbstractSpeculative Remote Display eliminates network round-trip time in remote display systems. Remote display systems allow a distant...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer software, Optimization
Category(s): Physical Sciences > Software & Services
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User-Driven Power Management
NU 2006-078InventorsPeter Dinda*Gokhan Memik*AbstractNorthwestern researchers have developed a novel software technology called User-Driven Power Management. This invention uses feedback from the end-user to dynamically maximize user-specific needs and satisfaction while minimizing power consumption. It optimizes computing speed and power management...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer software, Energy and Infrastructure, Optimization
Category(s): Physical Sciences > Software & Services
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Automatic Inference And Adaptation For Virtualized Computing Environments
NU 2006-077InventorsPeter Dinda*Ashish GuptaBin LinAnanth SundararajJohn LangeShort DescriptionA technology that automatically manages resources for high performance computingAbstractNorthwestern researchers have developed a new technology called Virtuoso that automatically manages resources for high-performance computing using virtual machines (VM's)....
Published: 11/6/2025
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Inventor(s):
Keywords(s): Optimization
Category(s): Physical Sciences > Software & Services
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