Distortion
Distortion - Related Videos
13:44
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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Cited by 13 •
2013
We demonstrate methods for the detection of architectural distortion in prior mammograms. Oriented structures are analyzed using Gabor filters and phase portraits to detect sites of radiating tissue patterns. Each site is characterized and classified using measures to represent spiculating patterns. The methods should assist in the detection of breast cancer.
07:03
Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
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Cited by 6 •
2017
This article describes the design and development of a sterilizable custom camera optical distortion calibration target for the peri-operative, fluid-immersed calibration of endoscopes during endoscopic interventions.
06:51
Measuring the Complete-arch Distortion of an Optical Dental Impression
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Cited by 4 •
2019
Here, we present a protocol to measure the degree of distortion at each part of the compete-arch digital impression acquired from an intraoral scanner with 3D-printed metal phantom with standard geometries.
01:02
¹H NMR: Interpreting Distorted and Overlapping Signals
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2024
Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum. As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...
12:19
Tools to Study the Role of Architectural Protein HMGB1 in the Processing of Helix Distorting, Site-specific DNA Interstrand Crosslinks
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2016
Targeted DNA damage can be achieved by tethering a DNA damaging agent to a triplex-forming oligonucleotide (TFO). Using modified TFOs, DNA damage-specific protein association, and DNA topology modification can be studied in human cells by the utilization of modified chromatin immunoprecipitation assays and DNA supercoiling assays described herein.
FAQs
Mechanical distortion can arise when loads, uneven heating or cooling, residual stress, or material nonlinearity produces strain. That strain may shift dimensions or alignment, and nonuniform conditions can make the change vary across a component. Engineers therefore examine both the applied conditions and the material response when predicting geometric error.
In communication and control systems, distortion changes the transmitted signal’s waveform rather than only the physical geometry of a component. Because the waveform carries the intended information or control behavior, such changes can reduce signal fidelity. Analysis therefore focuses on identifying waveform alteration and determining whether system performance remains acceptable.
Residual stress and material nonlinearity can generate strain even when the visible loading or thermal condition does not fully explain the resulting shape change. Including these factors helps engineers connect material behavior with shifts in geometry or alignment. This consideration supports more realistic design analysis and improves decisions about component reliability and manufacturing quality.
Engineers evaluate distortion through measurement, modeling, and tolerance analysis. Measurement reveals the actual change, modeling examines how loads, thermal conditions, residual stress, or material behavior may produce it, and tolerance analysis determines whether the change remains within acceptable limits. Used together, these approaches guide design decisions and help identify risks before they affect performance.
Material and process selection provide two practical ways to control distortion. Engineers can choose materials whose behavior better suits the expected mechanical or thermal conditions, while selecting processes that limit unwanted strain or geometric change. These choices are especially important when dimensional accuracy and manufacturing quality determine whether a component meets its intended design.
Distortion analysis applies to mechanical structures, manufactured components, communication systems, control systems, and aerospace applications. In structural and manufacturing work, it supports dimensional accuracy and reliability; in signal-based systems, it supports waveform fidelity. The same engineering concern therefore connects mechanical, thermal, electrical, and aerospace performance through measurement, modeling, and control.