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Signal / Image / Video Processing

Oneirix Labs helps you convert signals, images, videos and more to useful information using advanced, exquisite, tailor-made mathematical algorithms

In the modern world, billions of sensors are continuously generating “signals” — streams of raw numerical data. Theoreticians classify signals by dimension:

1D Signals: Sound, temperature, pressure, seismic, prices, …
2D Signals: Images, spectrograms, topography …
3D Signals: Video, MRI, CT scans, …
4D Signals: 4D CT, ultrasound, …

Signal processing is a part of almost every engineering project

The raw data in these signals needs to be converted to intelligent information. This is a difficult task, involving hundreds of diverse mathematical techniques. The diversity and complexity of the task at hand is compounded by the diversity of signal characteristics, and the needs of the application that needs the information to be extracted.

The ubiquity of data sources and their near-universal importance in informing decisions and creating new technology implies that
signal processing is a part of almost any advanced engineering project

We have worked on diverse signal processing projects, using a very wide spectrum of signal processing techniques:

Fourier, wavelet, Laplace transforms
Optimal, statistical and adaptive signal processing
Control systems theory
System identification theory
Non-linear signal processing
Topological signal processing
A.I. techniques such as convolutional deep networks
Image flow, disparity and other image processing techniques
Compression of signals, images, video
Graph algorithms such as max-flow, applied to nD signal processing

EXAMPLE PROJECTS

Oil & Gas Production

Thousands of sensors on an oil field are continuously generating data. This data may have missing values, wrong values, noise, and may be sampled at different times and rates. Generating high quality data is important before this data can be used to understand more about the physics of the underlying reservoir and production network.

Using data science for oil & gas production

Econometrics

Econometrics is the application of signal processing and statistical methods to economic data. Such techniques are of theoretical as well as practical importance. Practically signal processing and data science techniques can be used to build quantitative market models. This helps answer questions like pricing and inventory strategies.

Data science for managerial economics

Human Guided Machine Vision

Our HGMV system combines real-time image processing and machine vision algorithms with an advanced GUI for instantaneous human feedback. It can deliver real-time, precise, and contextual results in many areas including in metrology, medicine, film restoration, special effects, archeology and more.

Read more about the algorithms and applications

Denoising for Hearing Aids

Hearing aids help the aged and the hearing impaired lead close-to-normal lives. To achieve the best results, sound must be presented to the wearer with maximum clarity and minimum noise or interference. Furthermore, this has to happen in real time.

Read about our research and patent on hearing aids

Video Extensometry

To understand mechanical behavior of objects, it is important to measure stresses and strains. One way of measuring strains is by using video processing techniques called image flow analysis. Accurate strains can be calculated all over the object being deformed.

Using this in material testing

Video Codecs

We have worked on many video encoders and decoders (codecs), including standard-based codecs such as MPEG and H.264 and bespoke video codecs for specialized applications. In some cases, we have used the processing power of multi-core processors to increase codec performance while saving power consumed.