Axppa: Approximate parallel prefix adders
MMA da Rosa, G Paim, PÜL da Costa… - … Transactions on Very …, 2022 - ieeexplore.ieee.org
Addition units are widely used in many computational kernels of several error-tolerant
applications such as machine learning and signal, image, and video processing. Besides …
applications such as machine learning and signal, image, and video processing. Besides …
Fixed-point NLMS and IPNLMS VLSI architectures for accurate FECG and FHR processing
Capturing signals without noise and interference while monitoring the maternal abdomen's
fetal electrocardiogram (FECG) is a challenging task. This method can provide fetal …
fetal electrocardiogram (FECG) is a challenging task. This method can provide fetal …
Exploring NLMS-based adaptive filter hardware architectures for eliminating power line interference in EEG signals
Electroencephalogram (EEG) is a biomedical technique for capturing the human brain's
electrical information to process its activities and actions. EEG is one of the main methods …
electrical information to process its activities and actions. EEG is one of the main methods …
Power-efficient approximate Newton–Raphson integer divider applied to NLMS adaptive filter for high-quality interference cancelling
V Guidotti, G Paim, LMG Rocha, E Costa… - Circuits, Systems, and …, 2020 - Springer
The division datapath is undoubtedly the most complex operation in a wide range of digital
signal processing applications, such as in adaptive filtering algorithms. This paper proposes …
signal processing applications, such as in adaptive filtering algorithms. This paper proposes …
Optimizing iterative-based dividers for an efficient natural logarithm operator design
P Ücker, MR Weirich, G Paim… - 2020 IEEE 11th Latin …, 2020 - ieeexplore.ieee.org
This work proposes to optimize iterative-based dividers for a natural logarithm operator
design. The logarithm operator approximates the function at the base e. Such an operator is …
design. The logarithm operator approximates the function at the base e. Such an operator is …
Architectural exploration for energy-Efficient fixed-Point Kalman Filter VLSI design
PTL Pereira, G Paim, PÜL da Costa… - … Transactions on Very …, 2021 - ieeexplore.ieee.org
Efficient Kalman filter (KF) designs for real-time mobile applications, such as nano-drones
navigation, robots localization, spacecraft orbit control, GPS positioning, image recognition …
navigation, robots localization, spacecraft orbit control, GPS positioning, image recognition …
A Low-Latency Divider Design for Embedded Processors
X Wei, Y Yang, J Chen - Sensors, 2022 - mdpi.com
Division is generally regarded as a low-frequency, high-latency operation in integer
operations. Division is also the operation that stalls the processor pipeline most frequently …
operations. Division is also the operation that stalls the processor pipeline most frequently …
Exploring architectural solutions for an energy-efficient Kalman filter gain realization
PTL Pereira, G Paim, P Ücker, E Costa… - 2019 26th IEEE …, 2019 - ieeexplore.ieee.org
The Kalman filter is a signal processing algorithm that plays an essential role in real-time
mobile applications as nano drones navigation, spacecraft orbit control, GPS positioning …
mobile applications as nano drones navigation, spacecraft orbit control, GPS positioning …
Matrix Inversion Accelerated MCU Circuit for Image Recognition Pertinent Computation
W Wang, Y Jin, Q Yuan, H Sun - 2023 International Technical …, 2023 - ieeexplore.ieee.org
As the most complex computation in the fundamental matrix manipulation, the operation of
matrix inversion limits the processing capability in the field of the image recognition and the …
matrix inversion limits the processing capability in the field of the image recognition and the …
Architectural Exploration for Energy-Efficient LMS and NLMS Adaptive Filters VLSI Design
Adaptive filtering plays an essential role in digital signal processing (DSP), being present in
many application fields such as noise reduction, telecommunication, and audio signal …
many application fields such as noise reduction, telecommunication, and audio signal …