Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Downsampling01:20

Downsampling

439
When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
439
Lossy Lines and Overvoltages01:22

Lossy Lines and Overvoltages

159
Transmission-line series resistance and shunt conductance cause three primary effects: attenuation, distortion, and power losses.
Attenuation
When constant series resistance and shunt conductance are present, voltage and current equations are modified. The propagation constant indicates that voltage and current waves consist of both forward and backward traveling components. These waves attenuate as they propagate, with the attenuation factor related to the resistance and conductance. In a...
159
Upsampling01:22

Upsampling

455
Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
455
Reducing Line Loss01:18

Reducing Line Loss

252
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
252
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

535
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
535
Accelerators01:17

Accelerators

150
Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...
150

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fibrin degradation products enhance plasmin activity and contribute to fibrinolysis during simulated trauma-induced coagulopathy.

Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis·2026
Same author

Inflammation contributes to trauma-induced coagulopathy by oxidation of multiple clotting factors.

Redox biology·2025
Same author

Exploring the Impact of Authentic Leadership on Nurses' Organisational Citizenship Behaviour: Organisational Silence as a Mediator.

Journal of advanced nursing·2025
Same author

Report on the Measles Outbreak Case in a Medical Institution in South Korea, 2024.

Japanese journal of infectious diseases·2025
Same author

Association of Fc gamma-binding protein rs1464897604 polymorphism with bronchiolitis obliterans syndrome in lung transplant recipients.

The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation·2025
Same author

Understanding Burnout in School Nurses: The Role of Job Demands, Resources, and Positive Psychological Capital.

The Journal of school nursing : the official publication of the National Association of School Nurses·2025

Related Experiment Video

Updated: Nov 17, 2025

Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

17.9K

Lossless Decompression Accelerator for Embedded Processor with GUI.

Gwan Beom Hwang1, Kwon Neung Cho1, Chang Yeop Han1

  • 1Department of Electronic Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea.

Micromachines
|February 12, 2021
PubMed
Summary

This study introduces a hardware accelerator for efficient data decompression in embedded systems, crucial for mobile devices. The proposed lossless decompression accelerator significantly boosts performance, overcoming processor bottlenecks.

Keywords:
embedded processorgraphical user interfacehardware acceleratorinflate algorithmlossless compressionsystem-on-chip

More Related Videos

Dual Raster-Scanning Photoacoustic Small-Animal Imager for Vascular Visualization
07:14

Dual Raster-Scanning Photoacoustic Small-Animal Imager for Vascular Visualization

Published on: July 15, 2020

4.3K
Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

4.9K

Related Experiment Videos

Last Updated: Nov 17, 2025

Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

17.9K
Dual Raster-Scanning Photoacoustic Small-Animal Imager for Vascular Visualization
07:14

Dual Raster-Scanning Photoacoustic Small-Animal Imager for Vascular Visualization

Published on: July 15, 2020

4.3K
Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

4.9K

Area of Science:

  • Computer Engineering
  • Embedded Systems Design
  • Hardware Acceleration

Background:

  • Mobile industry growth necessitates high-performance embedded systems.
  • Memory limitations in embedded systems make data compression essential.
  • Data decompression creates a significant bottleneck for embedded processors.

Purpose of the Study:

  • To propose a hardware accelerator for lossless data decompression in embedded systems.
  • To address the performance bottleneck caused by data decompression workloads.
  • To support LZ77 decompression and static Huffman decoding within an inflate algorithm.

Main Methods:

  • Designed and implemented a lossless decompression accelerator.
  • Integrated the accelerator with an embedded processor on a System-on-Chip (SoC).
  • Verified functionality using a Field-Programmable Gate Array (FPGA) and fabricated using a 65 nm CMOS process.

Main Results:

  • Achieved a throughput of 20.7 MB/s at a 50 MHz system clock frequency.
  • Demonstrated functional suitability through FPGA implementation.
  • Evaluated performance using the Canterbury corpus benchmark.

Conclusions:

  • The proposed hardware accelerator effectively alleviates decompression bottlenecks in embedded processors.
  • The accelerator is suitable for high-performance embedded systems, particularly in the mobile industry.
  • The design offers a viable solution for efficient data handling in resource-constrained environments.