digital image signal compression
Image processing and DSP technology applied to remote activity monitoring : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Technology at Massey University
... of image processing algorithms to achieve industrial remote activity ...effective digital signal processor ...block-based image compression algorithm and methods using ...Data ...
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Digital Image Compression using Super-Resolution Scheme: A Review
... an image decision enhancement approach based totally on interpolation of the high frequency subband images obtained through discrete wavelet rework (DWT) and the enter ...Peak signal to Noise ratio (PSNR) ...
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Effect of Truncation Matrix on Compression Ratio in Block Truncation Coding Technique
... technology, digital image processing techniques plays an important role. Image compression technique is an important multimedia application to effectively store and transmit data at lower ...
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An Efficient Image Compression using Discrete Cosine Transform with SIFT and Modified Colorization Channel
... novel compression scheme for digital images using chrominance channels with feature descriptor and Discrete Cosine Transform ...input image based on its down-sampled version and local feature ...
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Digital Image and Video Compression Techniques
... N image into smaller n x n blocks and performing a unitary transform on each sub ...original signal, and this decorrelation generally results in the signal energy being redistributed among only a ...
5
ENHANCEMENT OF IMAGE QUALITY USING CURVELET
... the image compression and image denoising techniques of image processing, this analysis of digital image is based on wavelet transform and curvelet transform, both transform are ...
6
An Effective Analysis of Image Based Compression in Digital Image
... in signal and image processing, mainly for lossy data compression, because it has a strong "energy compaction" ...contemporary image processing ...for compression it turns out ...
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Wavelet compression techniques for digital image optimization
... a digital image consumes enormous storage ...typical digital image is very expensive. Therefore, image compression is necessary to represent a digital image with ...
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An enhancement on hybrid optical-digital information encryption and compression for multiple image encryptions
... cascaded digital Fresnel ...the Digital Fresnel Hologram ...of image scrambling techniques in fractional Fourier ...the image was shifted randomly based on the jigsaw transform ...scrambled ...
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Implementation of Encrypted Image Compression Using Resolution Progressive Compression Scheme
... Digital image processing encompasses a wide and varied field of application, such as area of image operation and compression, computer vision, and image analysis (also called ...
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Acoustic and video imaging system for quality determination of pharmaceutical products
... a digital image representation of each product ...transducer signal and digital image representation corresponding to each product are analyzed so as to determine the appropriate degree ...
22
Image Denoising Using Digital Signal Processor
... ECG is the electrical demonstration of the contractile movement of the heart. They are sensed by the electrodes which are stanch to the surface of skin and can be chronicled by a device which is outside of body. This ...
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Digital image compression on parallel computer architectures
... This chapter gives the main conclusions derived from the research work presented in this thesis and some directions for future research. The DCT-based JPEG algorithm was chosen for this[r] ...
239
Image data compression based on a multiresolution signal model
... reconstructed image do not suffer from pixel intensity discontinuities at their boundaries, an issue which is often the cause of significant blocking artefacts with other block coding ...
202
Modeling of Image Compression and Decompression using Huffman Code Technique
... Image compression plays a key role in much application such as image data base, image communication, digital movie, televideo conferencing, remote sensing ,document and medical imaging, ...
8
1. Virtual switching panel by detecting position and color of object
... Firstly no action is assumed which is shown in Figure 3. The webcam, in built, in the laptop does not detect any red tag in the image captured by it. Figure 4 is the command window showing zero values for pixels. ...
8
Sparse Symbolization for Compressing a Fingerprint
... as compression of a stream of 8 × 8 small block of ...JPEG compression scheme has many advantages such as simplicity, universality and ...wavelet-based compression standard for still images, namely ...
7
ECG Signal Acquisition with on Chip Compression Algorithm
... Thus, an efficient approach is to provide 8-bit eight voltage values corresponding to 3-bit eight voltage values, so that each peak clearly distinguishes from each other. This is done by providing the R-peak with Maximum ...
5
0.35um implementation of an experimental mixed signal image compression circuit
... the experimental mixed signal of of adder and multiplier compression circuit current source 2 5 6 switched-current for results used using image in memory switched-current switched-curren[r] ...
77
Image Processing: A Review
... Abstract- Image processing is a form of signal processing in which the input is an image, for example , a photograph or video and as output we get either an image or a set of characteristics ...
9