Decorrelation of neutral vector variables: Theory and applications
In this paper, we propose novel strategies for neutral vector variable decorrelation. Two
fundamental invertible transformations, namely, serial nonlinear transformation and parallel …
fundamental invertible transformations, namely, serial nonlinear transformation and parallel …
Primary transform and secondary transform in video coding
A video coding device (eg, a video encoder or a video decoder) is configured to perform
various transformations on video data. The video coding device applies a primary transform …
various transformations on video data. The video coding device applies a primary transform …
[图书][B] Discrete cosine transform
H Ochoa-Dominguez, KR Rao - 2019 - taylorfrancis.com
Many new DCT-like transforms have been proposed since the first edition of this book. For
example, the integer DCT that yields integer transform coefficients, the directional DCT to …
example, the integer DCT that yields integer transform coefficients, the directional DCT to …
OFDM-based massive grant-free transmission over frequency-selective fading channels
In massive grant-free transmission, joint user activity detection (UAD) and channel
estimation (CE) is essential for data recovery at the receiver, which has been extensively …
estimation (CE) is essential for data recovery at the receiver, which has been extensively …
A quality-of-content-based joint source and channel coding for human detections in a mobile surveillance cloud
More than 70% of consumer mobile Internet traffic will be mobile video transmissions by
2019. The development of wireless video transmission technologies has been boosted by …
2019. The development of wireless video transmission technologies has been boosted by …
All-round improvement in DCT-based blind image watermarking with visual enhancement via denoising autoencoder
HT Hu, LY Hsu, TT Lee - Computers and Electrical Engineering, 2022 - Elsevier
Discrete cosine transform (DCT)-based watermarking has received great success in the
copyright protection of digital images. This study exploited the orthonormal expansion …
copyright protection of digital images. This study exploited the orthonormal expansion …
Low-complexity 8-point DCT approximation based on angle similarity for image and video coding
The principal component analysis (PCA) is widely used for data decorrelation and
dimensionality reduction. However, the use of PCA may be impractical in real-time …
dimensionality reduction. However, the use of PCA may be impractical in real-time …
Multi-pass non-separable transforms for video coding
An example method of decoding video data includes determining, by a video decoder and
based on syntax elements in an encoded video bitstream, a plurality of values for a current …
based on syntax elements in an encoded video bitstream, a plurality of values for a current …
Efficient parameter storage for compact multi-pass transforms
A device determines a Compact Multi-Pass Transform (CMPT) from a plurality of CMPTs.
Additionally, the device decompresses CMPT parameters for the CMPT. In instances where …
Additionally, the device decompresses CMPT parameters for the CMPT. In instances where …
Block-based spatial prediction and transforms based on 2D Markov processes for image and video compression
F Kamisli - IEEE Transactions on Image Processing, 2015 - ieeexplore.ieee.org
Conventional intraframe coding is performed in two steps. First, a block of pixels are
predicted by copying previously reconstructed neighbor pixels of the block along an angular …
predicted by copying previously reconstructed neighbor pixels of the block along an angular …