نتایج جستجو برای: visual codes

تعداد نتایج: 434295  

Journal: :Journal of Network and Computer Applications 2021

Abstract Machine learning is becoming increasingly popular in modern technology and has been adopted various application areas. However, researchers have demonstrated that machine models are vulnerable to adversarial examples their inputs, which given rise a field of research known as learning. Potential attacks include methods poisoning datasets by perturbing input samples mislead into produci...

2006
Jeremy Hill Felix Bießmann

Brain-Computer Interfaces (BCI ’s) enable us to infer intentional control signals from brain activity. The Visual Speller is a BCI based on event related potentials (ERP ’s) in the electroencephalogram, such as the P300 (a positive deflection in the EEG about 300 ms after a rarely occuring stimulus). In the classical paradigm one trial (i.e. prediction of one symbol) consists of successive high...

Journal: :Archives of ophthalmology 1999
A R Morse E Yatzkan B Berberich R R Arons

OBJECTIVE To assess whether visual impairment contributes to average length of stay (ALOS) within inpatient care facilities. METHODS We used the New York State Department of Health's Statewide Planning and Research Cooperative System (SPARCS) data for 1993, containing 1 principal diagnosis code and up to 8 secondary diagnosis codes for approximately 2.6 million hospital discharges. We evaluat...

Journal: :Remote Sensing 2023

Generative adversarial networks (GANs) can synthesize abundant photo-realistic synthetic aperture radar (SAR) images. Some modified GANs (e.g., InfoGAN) are even able to edit specific properties of the synthesized images by introducing latent codes. It is crucial for SAR image synthesis since targets in real have different due imaging mechanism. Despite success InfoGAN manipulating properties, ...

2014
Anurag Mishra Kanchan Sharma Asok De

Polar coded grayscale image communication over additive white Gaussian noise (AWGN) channels using orthogonal frequency division multiplexing (OFDM) system is demonstrated in this paper. The OFDM technique is effective multicarrier technique used in the high-speed transmission system. Polar codes are recently applied to the binary memoryless channel and binary erasure channels for achieving nea...

Journal: :Neuron 2005
Ilana B. Witten Eric I. Knudsen

Vision may dominate our perception of space not because of any inherent physiological advantage of visual over other sensory connections in the brain, but because visual information tends to be more reliable than other sources of spatial information, and the central nervous system integrates information in a statistically optimal fashion. This review discusses recent experiments on audiovisual ...

Journal: : 2023

"Does modern digital media reconfigure the film’s message? The ubiquity of interactive screens alters social and emotional human interactions. Through advent within film workflow, ontological referentiality analog support becomes obsolete. medium can influence meaning structure message, which gradually starts losing its primary meanings due to shallow, inattentive viewing. Starting with aesthet...

Journal: :Perception & psychophysics 2007
Elkan G Akyürek Bernhard Hommel

Two experiments investigated the capacity demands of stimulus and response priming in a rapid serial visual presentation (RSVP) task. Three targets were presented in a stream of visual symbols: The first two (T1 and T2) required an unspeeded manual response at the end of the trial, but the third (T3) called for an immediate,speeded manual response. T2 and T3 either were identical (fully compati...

2000
Michael Eoin Buckley Marcia G. Ramos Sheila S. Hemami Stephen B. Wicker

A robust image transmission system incorporating perceptually-based coding and error protection is proposed for wireless channels. The perceptually-based image coder consists of a wavelet transformation, uniform quantization, and variable-length entropy encoding. The coded data is placed in a spatially scalable stream divided into segments of varying perceptual importance and tolerance to trans...

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