Interesting Engineering

MIT’s 6 mW chip lets tiny drones see and map their surroundings in real time

New MIT chip enables tiny drones and robots to create detailed 3D maps while using minimal power.
eLife

Revealing global stoichiometry conservation architecture in cells from Raman spectral patterns

Cells can adapt to various environments by changing their biomolecular profiles while maintaining physiological homeostasis. What organizational principles in cells enable the simultaneous realization ...
LinkedIn

How Spectral Sensors Improve Display Quality

You probably only notice your smartphone’s display when it fails you. When colors look off, when a screen feels harsh in the evening, or when text is hard to read on a bright train platform, you ...
Nature

Multi-objective band selection algorithm based on NSGA-II for pattern segmentation of textile hyperspectral images

China is the birthplace of silk weaving, possessing a rich heritage of silk artifacts. Textile patterns exhibit unique artistic value and carry profound historical and cultural significance. Through ...
IEEE

Kmeans-CM Algorithm With Spectral Angle Mapper for Hyperspectral Image Classification

Abstract: Hyperspectral images possess the characteristics of high dimensionality, which causes “dimensional disaster” and low classification accuracy. In order to solve the problems, based on ...
Frontiers

QWIP: A Quantitative Metric for Quality Control of Aquatic Reflectance Spectral Shape Using the Apparent Visible Wavelength

The colors of the ocean and inland waters span clear blue to turbid brown, and the corresponding spectral shapes of the water-leaving signal are diverse depending on the various types and ...
Frontiers

EEG-Based Spectral Analysis Showing Brainwave Changes Related to Modulating Progressive Fatigue During a Prolonged Intermittent Motor Task

Repeatedly performing a submaximal motor task for a prolonged period of time leads to muscle fatigue comprising a central and peripheral component, which demands a gradually increasing effort. However ...
IEEE

A Kernel Spectral Angle Mapper algorithm for remote sensing image classification

Abstract: A Kernel Spectral Angle Mapper (KSAM) algorithm is proposed to deal better with the nonlinear classification problem of the remote sensing image. The so-called KSAM algorithm is achieved by ...
Nature

Compressive spectral image fusion via a single aperture high throughput imaging system

Spectral image fusion techniques combine the detailed spatial information of a multispectral (MS) image and the rich spectral information of a hyperspectral (HS) image into a high-spatial and ...
Scientific Research Publishing

Feasibility Study for Applying Spectral Imaging for Wheat Grain Authenticity Testing in Pasta ()

Authentication of pasta is currently determined using molecular biology-based techniques focusing on DNA as the target analyte. Whilst proven to be effective, these approaches can be criticised as ...
C&EN

Diffractive Spectral-Splitting Optical Element Designed by Adjoint-Based Electromagnetic Optimization and Fabricated by Femtosecond 3D Direct Laser Writing

† Electrical Engineering and Computer Sciences Department, University of California, Berkeley, Berkeley, California 94720, United States ‡ ‡ Frederick Seitz Materials Research Laboratory and ⊥ ...