discrete cosine transforms

biblio

Analysis of wavelet, ridgelet, curvelet and bandelet transforms for QR code based image steganography

Submitted by grigby1 on Tue, 01/23/2018 - 2:59pm

pubcrawl
wavelet transforms
wavelet transform
transform coefficients
transform based image steganography
Steganography
security applications
security
secret message
ridgelet transform
Resiliency
QR codes
QR code based image steganography
bandelet transform
information security
Image Processing
Image coding
frequency-domain analysis
discrete wavelet transforms
discrete cosine transforms
cyber physical systems
curvelet transforms
curvelet transform and bandelet transform
curvelet transform
Cryptography
bit-plane based steganography method

biblio

Robust video fingerprints using positions of salient regions

Submitted by K_Hooper on Wed, 01/10/2018 - 11:09am

Resiliency
visualization
visual fingerprint generation methods
visual feature extraction
video signal processing
video retrieval
video fingerprint
TRECVID datasets
Spectrogram
search algorithm
robust video fingerprinting system
Robustness
robust audio fingerprint extraction approach
Acoustic Fingerprints
pubcrawl
Human behavior
greyscale video images
graphics processing units
graphics processing unit
Fingerprint recognition
Fingerprinting
feature extraction
discrete cosine transforms
Content-based copy detection
composability

biblio

A secure steganography algorithm using compressive sensing based on HVS feature

Submitted by grigby1 on Thu, 12/28/2017 - 1:36pm

secure steganography algorithm
Metrics
Policy-Governed Secure Collaboration
pubcrawl
Resiliency
Robustness
Scalability
Science of Security
secret messages
Image coding
security
Sparse matrices
steganographic technology
Steganography
stego image
stego object
Subsampling
Visual systems
data encapsulation
Bit Correction Rate
carrier object
collaboration
composability
compressed sensing
compressive sensing
compressive sensing technology
Cryptography
BCR
Data mining
digital image
discrete cosine transforms
Human behavior
Human Factors
human visual system features
HVS
HVS feature

biblio

A no reference perceptual blur quality metric in the DCT domain

Submitted by grigby1 on Wed, 03/08/2017 - 2:05pm

PBBQM
human visual system
Image edge detection
image high frequency components
image restoration
JNB
just noticeable blur concept
Just Noticeable Blur threshold (JNB)
no reference perceptual blur quality metric
frequency-domain analysis
perceived image quality degradation
perceptual blind blur quality metric
perceptual no reference blur assessment metric
pubcrawl170111
subjective quality scores
Visual systems
wavelet transforms
blind blur quality measures
frequency domain
fine image details
edges
discrete cosine transforms
Discrete Cosine Transform (DCT)
discrete cosine transform
digital imaging systems
DCT domain
Databases
blurring affects
Blurring
blur distortion
blind source separation
blind quality metric
blind objective metrics

biblio

Perceptual blur detection and assessment in the DCT domain

Submitted by grigby1 on Wed, 03/08/2017 - 2:04pm

just noticeable blur concept
Support vector machines
subjective scores
statistical modelling
statistical features
statistical analysis
quality score
pubcrawl170111
perceptual blur detection
perceptual blur degradation
perceptual blur assessment
Measurement
machine learning system
learning (artificial intelligence)
BBQM metric
JNB concept
image restoration
Image resolution
Image edge detection
feature extraction
discrete cosine transforms
discrete cosine transform
DCT domain
Databases
Correlation
Blurring
blind quality metric
blind blur quality metric

biblio

HVS-based local analysis of denoising efficiency for DCT-based filters

Submitted by grigby1 on Wed, 03/08/2017 - 2:03pm

Image edge detection
visualization
pubcrawl170111
pre-filtering stage
noise removal
noise reduction
multimedia system
Measurement
local analysis
image visual quality improvement
image filtering
BM3D filter
image denoising
HVS-metrics
human vision system
Filtering
discrete cosine transforms
discrete cosine transform
denoising efficiency HVS-based local analysis
DCT-based filters
DCT-based filter
communication system

biblio

"Improvement of transmission capacity of visible light access link using Bayesian compressive sensing"

Submitted by grigby1 on Tue, 02/21/2017 - 12:52pm

Phase shift keying
OFDM
OFDM modulation
OFDM signal encoding
Optical filters
optical links
optical modulation
optical wireless OFDM link transmission capacity
optical wireless orthogonal frequency division multiplexing link
multilevel digital modulation
pubcrawl170104
QPSK symbol
quadrature amplitude modulation
visible LED
visible light access link transmission capacity improvement
visible light emitting diode
Wireless communication
wireless sensor networks
error-free reconstruction
Adaptive Sampling
Bayes methods
Bayesian compressive sensing
Bayesian CS
Bit error rate
compressed sensing
discrete cosine transforms
error statistics
16-QAM symbol
forward error correction
free-space optical communication
inverse discrete cosine transform
inverse transforms
L1-minimization
light emitting diode
light emitting diodes
minimisation

biblio

"Application specific processor design for DCT based applications"

Submitted by grigby1 on Tue, 02/14/2017 - 1:10pm

FPGA
Watermarking
Transform coding
pubcrawl170102
parallel architectures
parallel architecture
one dimensional DCT
MicroBlaze softcore processer
JPEG compression
image watermarking
image encryption
IDCT hardware
Hardware
Application Specific Processor
field programmable gate arrays
field programmable gate array
Europe
discrete cosine transforms
discrete cosine transform
DCT based image watermarking
DCT based applications
Channel estimation
ASP
Application specific processors
application specific processor design

biblio

"An imperceptible watermarking technique for copyright content using discrete cosine transformation"

Submitted by grigby1 on Tue, 02/14/2017 - 12:55pm

Government
Watermarking
pubcrawl170102
image watermarking
image retrieval
image protection scheme
image compression
Image coding
IDCT
government sector
government data processing
Computers
frequency-domain analysis
frequency domain
encryption
discrete cosine transforms
discrete cosine transformation
digital watermarking scheme
DCT
Data protection
copyright content
copyright

biblio

Discrete Cosine Transform Locality-Sensitive Hashes for Face Retrieval

Submitted by BrandonB on Wed, 05/06/2015 - 11:54am

image querying
Vectors
retrieval efficiency
RaFD
Probes
multiPIE
Locality-Sensitive Hashing (LSH)
locality-sensitive hashes
Local Binary Patterns (LBP)
local binary patterns
linear search
LFW
Kernel
indexing
index structures
image retrieval
BioID
Image coding
hash suppression
FERET
FEI
face retrieval
face recognition
face indexing
face descriptors
face databases
Face
discrete cosine transforms
discrete cosine transform hashing
Discrete Cosine Transform (DCT) hashing
DCT hashing
Cryptography

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Cyber-Physical Systems Virtual Organization

Read-only archive of site from September 29, 2023.

discrete cosine transforms

Analysis of wavelet, ridgelet, curvelet and bandelet transforms for QR code based image steganography

Robust video fingerprints using positions of salient regions

A secure steganography algorithm using compressive sensing based on HVS feature

A no reference perceptual blur quality metric in the DCT domain

Perceptual blur detection and assessment in the DCT domain

HVS-based local analysis of denoising efficiency for DCT-based filters

"Improvement of transmission capacity of visible light access link using Bayesian compressive sensing"

"Application specific processor design for DCT based applications"

"An imperceptible watermarking technique for copyright content using discrete cosine transformation"

Discrete Cosine Transform Locality-Sensitive Hashes for Face Retrieval