Novel Filter of DWT for Image Processing Applications

A Novel Multiply-Accumulator Unit Bus Encoding Architecture for Image Processing Applications

In the CMOS circuit power dissipation is a major concern for VLSI functional units. With shrinking feature size, increased frequency and power dissipation on the data bus have become the most important factor compared to other parts of the functional units. One of the most important functional units in any processor is the Multiply-Accumulator unit (MAC). The current work focuses on the develop...

Filter Evaluation for DWT-Domain Image Watermarking

Similar to other wavelet-based image processing algorithms, the choice of wavelet filters generally affects the performance of a wavelet-based watermarking system. In this Letter, we evaluate a set of biorthogonal integer wavelets under a multiresolution-watermarking framework. Further investigation is conducted to justify the robustness performance against attacks.

Implementation Of 3D DWT With 5/3 LeGall Filter For Image Processing

The discrete wavelet transform (DWT) is being increasingly used for image coding 3D-DWT provides interesting possibilities and has been studied to resolve the problem associated with compression of large size images. However, the main issue of concern is preserving more details in the enlarged image. On the problem that the hardware overhead in architecture for Convolution based DWT wastes a lo...

Simulation of cake formation for nano-fibrous filter media using image processing

VHDL Simulation of DWT for Low Level Image Processing Application

Discrete wavelet transform (DWT) is the one of the main approaches used for image compression. A new discrete wavelet transform (DWT) architecture is proposed in this paper to realize a memory-efficient 2D DWT unit. The main goal of the proposed system is to change the processing unit in the pipelined DWT. Processing unit is modified in such a way that total number of processing required in the...