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

Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

225
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
225
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

703
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...
703
Cellular Differentiation00:57

Cellular Differentiation

5.1K
How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
A zygote is a...
5.1K
Differential Leveling01:12

Differential Leveling

666
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
666
Implicit Differentiation01:25

Implicit Differentiation

46
In classical mechanics, motion is often described through relationships between spatial coordinates and time. A car moving along a straight highway with constant acceleration serves as a simple case where velocity is an explicit function of time. This scenario results in a linear equation, enabling straightforward analysis using basic differentiation techniques.In contrast, a satellite in circular orbit follows a path defined by an implicit function. The position of the satellite is constrained...
46
Logarithmic Differentiation01:28

Logarithmic Differentiation

51
When a car’s weight and driving forces act on a tire, they impose an external load on the rubber material. This load is resisted internally by forces distributed throughout the tire structure, which are defined as stress. The resulting deformation of the rubber due to this stress is quantified as strain. The relationship between stress and strain governs how the tire deforms under load and is central to understanding its mechanical response during operation.Rubber exhibits a nonlinear...
51

You might also read

Related Articles

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

Sort by
Same author

X-ray fluorescence microscopy exposure estimates using a single excitation energy.

Journal of synchrotron radiation·2026
Same author

Direct Determination of 3C/4H Silicon Carbide Heterophase Interfaces by Electron Ptychography.

ACS applied materials & interfaces·2026
Same author

Depth-Resolved X-Ray Nanoimaging of Coherent and Incoherent Energy Transport in Silicon Carbide.

ACS nano·2026
Same author

Multifunctional bending magnet beamline with a capillary optic for X-ray fluorescence studies of metals in tissue sections.

Journal of synchrotron radiation·2026
Same author

Blank Spectrum Correction as a Robust Solution to Artifacts in Quantitative X-ray Fluorescence Mapping.

bioRxiv : the preprint server for biology·2026
Same author

X-ray fluorescence microscopy exposure estimates using a single excitation energy.

bioRxiv : the preprint server for biology·2026
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jan 22, 2026

Author Spotlight: Optimizing Dendritic Spine Analysis for Balanced Manual and Automated Assessment in the Hippocampus CA1 Apical Dendrites
07:45

Author Spotlight: Optimizing Dendritic Spine Analysis for Balanced Manual and Automated Assessment in the Hippocampus CA1 Apical Dendrites

Published on: September 27, 2024

3.0K

Using automatic differentiation as a general framework for ptychographic reconstruction.

Saugat Kandel, S Maddali, Marc Allain

    Optics Express
    |June 30, 2019
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces automatic differentiation to simplify object reconstruction in coherent diffraction imaging. This method enhances the exploration of advanced imaging techniques by removing the need for complex derivative calculations.

    More Related Videos

    Three-Dimensional Reconstruction of Orbital Fractures
    08:18

    Three-Dimensional Reconstruction of Orbital Fractures

    Published on: May 16, 2025

    638
    Modified Single-Loop Reconstruction for Pancreaticoduodenectomy
    13:01

    Modified Single-Loop Reconstruction for Pancreaticoduodenectomy

    Published on: September 28, 2019

    8.0K

    Related Experiment Videos

    Last Updated: Jan 22, 2026

    Author Spotlight: Optimizing Dendritic Spine Analysis for Balanced Manual and Automated Assessment in the Hippocampus CA1 Apical Dendrites
    07:45

    Author Spotlight: Optimizing Dendritic Spine Analysis for Balanced Manual and Automated Assessment in the Hippocampus CA1 Apical Dendrites

    Published on: September 27, 2024

    3.0K
    Three-Dimensional Reconstruction of Orbital Fractures
    08:18

    Three-Dimensional Reconstruction of Orbital Fractures

    Published on: May 16, 2025

    638
    Modified Single-Loop Reconstruction for Pancreaticoduodenectomy
    13:01

    Modified Single-Loop Reconstruction for Pancreaticoduodenectomy

    Published on: September 28, 2019

    8.0K

    Area of Science:

    • Optics and Photonics
    • Computational Imaging
    • Materials Science

    Background:

    • Coherent diffraction imaging (CDI) offers super-resolution capabilities beyond traditional lens-based microscopy.
    • Object reconstruction in CDI relies on minimizing an error metric between measured and simulated diffraction patterns.
    • Calculating analytical derivatives of the error metric is often complex and limits method development.

    Purpose of the Study:

    • To introduce automatic differentiation as a method to simplify and generalize object reconstruction in CDI.
    • To enable exploration of novel CDI variations without manual derivative computation.
    • To demonstrate the applicability of automatic differentiation across diverse ptychographic imaging models.

    Main Methods:

    • Implemented automatic differentiation to replace manual calculation of error metric derivatives.
    • Utilized physics-based experimental forward models to define the imaging process.
    • Applied the method to various complex ptychographic experimental setups.

    Main Results:

    • Successfully reconstructed objects using automatic differentiation without analytical derivative expressions.
    • Demonstrated straightforward implementation for complex ptychographic models.
    • Validated the generality and efficiency of the proposed approach.

    Conclusions:

    • Automatic differentiation provides a powerful and flexible tool for object reconstruction in CDI.
    • This method significantly reduces the complexity of developing new imaging algorithms.
    • The approach facilitates broader research into advanced coherent diffraction imaging techniques.