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 …

An approximate kernel for the discrete cosine transform (DCT) of length 4 is derived from the
4-point DCT defined by the High Efficiency Video Coding (HEVC) standard and used for the …

Approximation of discrete cosine transform (DCT) is useful for reducing its computational
complexity without significant impact on its coding performance. Most of the existing …

The discrete cosine transform (DCT) is a central mathematical operation in several digital
signal processing methods and image/video standards. In this paper, we propose a …

Future wireless communication systems are demanding a more flexible physical layer.
GFDM is a block filtered multicarrier modulation scheme proposed to add multiple degrees …

The recent tremendous proliferation of color imaging applications has been accompanied by
growing research in data encryption to secure color images against adversary attacks. While …

The DCT and the DWT are used in a number of emerging DSP applications, such as, HD
video compression, biomedical imaging, and smart antenna beamformers for wireless …

This study presents a methodology for compressing power system (PS) signals based on the
Discrete Hartley Transform (DHT) and develops a computationally efficient approach for …

The usage of linear transformations has great relevance for data decorrelation applications,
like image and video compression. In that sense, the discrete Tchebichef transform (DTT) …

This paper presents an energy-and area-efficient architecture for approximated discrete
cosine transform (DCT). Due to the good compression ability, DCT is widely exploited in …