A5047664722- Face recognition and analysis
- Face and Expression Recognition
- Superconducting and THz Device Technology
- Face Recognition and Perception
- Human Pose and Action Recognition
- Video Surveillance and Tracking Methods
- Biometric Identification and Security
- Calibration and Measurement Techniques
- Astronomy and Astrophysical Research
- Optical Coatings and Gratings
- Muscle activation and electromyography studies
- Spacecraft Design and Technology
- Adaptive optics and wavefront sensing
- Image Retrieval and Classification Techniques
- Sparse and Compressive Sensing Techniques
- Human Motion and Animation
- Infrared Target Detection Methodologies
- Thermal Radiation and Cooling Technologies
- Ion-surface interactions and analysis
- Advanced Vision and Imaging
- Photonic and Optical Devices
- Mass Spectrometry Techniques and Applications
- Smoking Behavior and Cessation
- Advanced MEMS and NEMS Technologies
- Spacecraft and Cryogenic Technologies
Manchester Metropolitan University
2012-2024
Goddard Space Flight Center
2011-2024
Jacobs (United States)
2020
Riyadh Elm University
2019
Stinger Ghaffarian Technologies (United States)
2013-2018
Seabrook
2009-2018
MEI Technologies (United States)
2007-2013
University of Manchester
1999-2003
University of Aberdeen
1994-2002
Research Organization of Information and Systems
2002
Micro-facial expressions are spontaneous, involuntary movements of the face when a person experiences an emotion but attempts to hide their facial expression, most likely in high-stakes environment. Recently, research this field has grown popularity, however publicly available datasets micro-expressions have limitations due difficulty naturally inducing spontaneous micro-expressions. Other issues include lighting, low resolution and participant diversity. We present newly developed...
It has recently become apparent that if face images are degraded by spatial quantisation, or block averaging, there is a nonlinear acceleration of the decline in accuracy recognition as size increases. This suggests requires critical minimum range object frequencies. Two experiments were performed to clarify phenomenon. In experiment 1, speed and for six frontoparallel photographs faces measured. After familiarisation training sessions, shown 100 ms with 11, 21, 42 pixels per face,...
We describe results obtained from a testbed used to investigate different codings for automatic face recognition. An eigenface coding of shape-free faces using manually located landmarks was more effective than the corresponding correctly shaped faces. Configuration also proved an method recognition, with rankings given incorrect matches relatively uncorrelated those Both sets information combine improve significantly performance either system. The addition system, which directly correlated...
To understand the functional significance of skeletal muscle anatomy, a method quantifying local shape changes in different tissue structures during dynamic tasks is required. Taking advantage good spatial and temporal resolution B-mode ultrasound imaging, we describe automatically segmenting images into fascicle aponeurosis regions tracking movement features, independently, localized portions each tissue. Ultrasound (25 Hz) medial gastrocnemius were collected from eight participants ankle...
We address the problem of tracking in vivo muscle fascicle shape and length changes using ultrasound video sequences. Quantifying behavior is required to improve understanding functional significance a muscle's geometric properties. Ultrasound imaging provides noninvasive means capturing information on during dynamic movements; date however, computational approaches assess such images are limited. Our approach novel because we permit fascicles take up nonlinear configurations. achieve this...
Wrinkles play an important role in the face-based analysis. They have been widely used applications, such as facial retouching, expression recognition, and face age estimation. Although a few techniques for wrinkle analysis explored literature, poor detection limits accuracy reliability of segmentation. Therefore, automated method is crucial to maintain consistency reduce human error. In this paper, we propose Hessian line tracking (HLT) overcome problem. HLT composed seeding directional...
Nicotine consumption is considered a major health problem, where many of those who wish to quit smoking relapse. The problem that overtime as behaviour changing into habit, in which it connected internal (e.g., nicotine level, craving) and external (action, time, location) triggers. Smoking cessation apps have proved their efficiency support smoking. However, still, these applications suffer from several drawbacks, they are highly relying on the user initiate intervention by submitting...
Future far-infrared astrophysics observatories will require focal plane arrays containing thousands of ultrasensitive, superconducting detectors, each which efficient optical coupling to the telescope fore-optics. At longer wavelengths, many approaches have been developed, including feedhorn and macroscopic lenslets. However, with wavelengths as short 25 µm, in far infrared remains challenging. In this paper, we present an approach fabricate monolithic silicon microlens using grayscale...
The findings of some the key studies that have examined contribution different bands spatial information, specified in terms cycles per face, to face recognition, and identification are reviewed. Based on from low-, high-, band-pass filtering, it is concluded neither low facial scales nor high optimal. Instead, a center range scales, approximately 8-16 appears make greatest recognition process. A study filtered faces reported reinforces view derived literature. This indicated band with...
Person recognition using facial features, e.g., mug-shot images, has long been used in identity documents. However, due to the widespread use of web-cams and mobile devices embedded with a camera, it is now possible realize video recognition, rather than resorting just still images. In fact, offers many advantages over image recognition; these include potential boosting system accuracy deterring spoof attacks. This paper presents an evaluation person verification data, organized conjunction...
In an experimental study, we assessed the role of motion when encoding and recognizing unfamiliar faces, using old/new recognition memory paradigm. Our findings revealed a clear advantage for learning faces moving non‐rigidly, compared with static faces. This was found both same‐ other‐race Furthermore, results indicate that it is more important face learnt in than recognized from clip. Interestingly, despite reliable effect being revealed, participants were able to utilize information...
Abstract Embryo selection in vitro fertilization (IVF) treatment has traditionally been done manually using microscopy at intermittent time points during embryo development. Novel technique made it possible to monitor embryos lapse for long periods of and together with the reduced cost data storage, this opened door long‐term time‐lapse monitoring, large amounts image material is now routinely gathered. However, analysis still a extent performed manually, images are mostly used as...
We have demonstrated a kilopixel, filled, infrared bolometer array for the balloon-borne Primordial Inflation Polarization Explorer (PIPER). The consists of three individual components assembled into single working unit: 1) transition-edge-sensor with background-limited sensitivity, 2) quarter–wavelength backshort grid, and 3) an integrated Superconducting Quantum Interference Device (SQUID) multiplexer (MUX) readout. detector is square–grid suspended, one-micron thick silicon bolometers...
A class of sparse regularization functions is considered for the developing classifiers determining facial gender. The classification method aims to both select most important features and maximize margin, in a manner similar support vector machines. An efficient process directly calculating complete set optimal, developed. single hyper-plane, which maximizes posterior probability describing training data, then efficiently selected. classifier tested on Japanese gender-divided ensemble,...
Abstract A visual masking technique was used as a tool to study the recognition of well-known faces. Famous faces, but unknown masks were used. The relation between target and mask varied; effect measured in terms thresholds for reports "familiarity" ability name target. Three experiments are reported, all which employed backward-masking paradigm. had equal display times, there no interstimulus interval. Significant found with face none from either object or noise masks. Intermediate levels...
We have developed microshutter array systems at NASA Goddard Space Flight Center for use as multi-object aperture arrays a Near-Infrared Spectrometer (NIRSpec) instrument. The instrument will be carried on the James Webb Telescope (JWST), next generation of space telescope, after Hubble retires. (MSAs) are designed selective transmission light from objected galaxies in with high efficiency and contrast. Arrays close-packed silicon nitride membranes pixel size close to 100x200 μm. Individual...