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International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
75
SQUEEZING OF COLOR IMAGE USING SELECTIVE ROTATION BASED
PRELIMINARY PLAN
Nitin Sharma1
, Anupam Agarwal2
1
Dept.of ECE, Jagannath University, Jaipur, Rajasthan, India
2
Dept.of ECE, Jagannath University, Jaipur, Rajasthan, India
ABSTRACT
In this paper, for a perfect and effective image squeezing, the direction selective image
squeezing preliminary plan is introduced. This preliminary plan performs the collective directional
transform in sometime depends on plan and sometimes seeming unfair direction and get a transform
coding gain. By using this phenomena, easily maximize the energy compaction. For this compaction,
firstly determines the maximum energy direction of an image and after that the sinc interpolation
method or three pass algorithms is used for rotating the image and after that the conventional 2-D
wavelet transform are used for decomposition of image. The convolution method or lifting method is
used for conventional wavelet transform. It outperforms JPEG2000 for typical test image.
Keywords: Image squeezing, Directional wavelet transform, Texture of image, Sinc interpolation.
I. INTRODUCTION
The discrete wavelet transform are used for squeezing the image since 1990.In the 2D-DWT
squeezing technique, two one dimension are used for vertical & horizontal direction respectively
[1].The image have two types of singularities in which the 2-D discrete wavelet transform
(Traditional 2-D DWT) are able to capture point singularities with more effectiveness but at the time
of capturing line singularities it becomes failed. It got failed because alignment of horizontal or
vertical direction of image and edges & contour in images are not perfect. This imperfectness can be
solving by using a new transform by filtering the image in both direction.
In this paper, I am going to introduce the discrete wavelet transform which is based on image
rotation. By using this phenomenon, it is predicted that the direction for edge & texture image is
improved. Thus, the coding performance of adaptive directional wavelet transform can be improved
[10].
INTERNATIONAL JOURNAL OF ELECTRONICS AND
COMMUNICATION ENGINEERING & TECHNOLOGY (IJECET)
ISSN 0976 – 6464(Print)
ISSN 0976 – 6472(Online)
Volume 5, Issue 2, February (2014), pp. 75-82
© IAEME: www.iaeme.com/ijecet.asp
Journal Impact Factor (2014): 3.7215 (Calculated by GISI)
www.jifactor.com
IJECET
© I A E M E
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
76
In this paper, the 2-D transform, which is introduced, performs the work. Firstly the image is
rotated by determined angle then orientation of both of edge & texture comes in vertical & horizontal
direction. After that the image is rotated and goes in next step of traditional wavelet transform for
decomposition of image and at last coding work will be performed [2].
II. PERTAIN WORK
If the alignment of edges & contour are not perfect with horizontally & vertically then the
energy of image is spread across the sub band which is the property of DWT.To solve the problem of
energy spreading in sub bands ,the directional transform is required.
There are two categories are defined for adaptive transform which are:- First category is
used for analysis the image along the set of direction which is predetermined[3].Second category is
used for analysis the direction itself to the orientation feature of image [3], [4], [7], [8]. On the other
hand, two types of adaptive wavelet transform & lifting structured based transform are proposed
because both are suitable for filtering the direction to the orientation of edges &
texture[5],[7],[10].To minimize the prediction error, use different types of direction selection method
which is given in [7],[8].
III. SELECTIVE ROTATION BASED PRELIMINARY PLAN
In normal squeezing technique, transformation, quantization and encoding are followed but in
this paper, gradient detector, image rotator; conventional wavelet transformation and encoding are
used
First Step:-
The gradient of image (i.e.‫׏‬p(x,y)) is determined. The gradient of image is
given by:-
‫݌׏‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ൌ ‫݌‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ‫כ‬ ݄1ሺ‫,ݔ‬ ‫ݕ‬ሻܽ‫ݔ‬ ൅ ‫݌‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ‫כ‬ ݄2ሺ‫,ݔ‬ ‫ݕ‬ሻܽ‫ݕ‬
Where
u=(x,y) is arbitrary pixel of image
*Convolution operator
The value of h1 and h2 is given by:-
h1(x,y ) =
െ1 0 1
െ2 0 2
െ1 0 1
h2(x,y ) =
1 2 1
0 0 0
െ1 െ2 െ1
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
77
Second Step:-
The smoothness of the image is determined. For determination, comparing gradient
detector with threshold value(S).
|સP(x,y)|≥S
Where:
|‫݌׏‬ሺ‫,ݔ‬ ‫ݕ‬ሻ|=max {|p(x,y)*h1(x,y)|,|p(x,y)*h2(x,y)|}
After that, this smooth image is processed as JPEG2000 and edge & texture image, use
proposed preliminary plan. The energy of a signal is determined which is useful for determining the
direction that contains maximum energy for edge image .The directional energy of signal is given
by:-
EK (U1) =∑ ‫݇ܧ‬ሺ‫ݑ‬ሻ=∑ሺ‫݌׏‬ሺ‫ݑ‬ሻ, ܽ݇ሻ²
Where:
ak: unit vector in k direction
Figure A: Direction Diagram
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
78
Figure B: Forward 2-D directional wavelets transform
There are two types of algorithm is necessary for squeezing and reconstruction of image.
A. Algorithm for squeezing
There are four steps which covers the algorithm of squeezing.
Step1) Firstly image is passed through the gradient detector. This gives the information of
smoothness of image.
Step2) There are two conditions, first one is if image is smooth then traditional wavelet transform
is used for squeezing the image and go for next step of coding. Another is if image is not smooth
then direction detector determines the direction of orientation of edges & texture.
Step3) The direction is calculated then image is rotated by an angle. This angle depends on the
direction of orientation. This work is performed by sinc interpolation. The value on angle for nth
directional is given by:-
(180 16⁄ )*n
Step4) In this step, the conventional 2-D wavelet transform is used. When take horizontal &
vertical wise transform then approximation,horizontal,vertical and diagonal sub bands are generated.
The lifting wavelet transform is also responsible for generating the wavelet sub bands. This
phenomenon is shown in figure D.
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
79
Figure C: Reverse 2-D directional wavelet transform
Figure D: Generating sub bands by conventional wavelet transform
B. Algorithm for reconstruction
There are only three steps which covers the algorithm of reconstruction.
Step1) In this step, coding preliminary plan is used for decoding the image.
Step2) In this step, this decoded image is synthesized by using inverse DWT transform.
Step3) At last, image is rotated in opposite direction by that angle by which image is rotated in
squeezing.
Thus, these two algorithms are necessary for squeezing and reconstruction of the color
image using selective rotation based preliminary plan.
IV. PERFORMANCE WITH CODING OF IMAGE
The results of the coded image are compared between the JPEG2000 squeezing arrangement
& 2D-DWT arrangement. The wavelet sub bands are same in both squeezing preliminary plan. In
this squeezing preliminary plan, squeezed bit stream is organized by utilization of uniform quantizer,
EBCOT and MQ coder.
Squeezing ratio=Set as the input of squeezing system
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
80
Figure E: Performance analysis by JPEG2000 and proposed squeezing preliminary plan for
housing
In this figure E, the PSNR (peak signal to noise ratio) values with experimental results are
included and also shows that the proposed preliminary plan is better than JPEG2000.
Thus, for performance checking in image squeezing, the comparison between the JPEG and
proposed preliminary plan is shown in table. The unit of performance of image is decimals.
TABLE A: COMPARISON BETWEEN THE JPEG2000 AND PROPOSED
PRELIMINARY PLAN FOR PERFORMANCE IN IMAGE SQUEEZING
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
81
Figure F: Figure showing reconstructed image
V. CONCLUSION
In this paper, 2-DWT method is presented with preliminary plan with direction determining
method. The proposed transform gives a preliminary plan of concentrating more energy of signal in
low pass band and squeezed image in proposed transform gives better result comparison to
JPEG2000.
VI. FUTURE WORK
For future work, this preliminary plan can be used for video coding which is based on
wavelet at low computational complexity
REFERENCE
[1] Image Compression Fundamentals, Standards, and Practice. Norwell, MA: Kluwer, 2001.
[2] M. Antonini, M. Barlaud, P. Mathieu, and I. Daubechies, "Image Coding Using Wavelet
Transform," IEEE Trans. on Image Processing, vol. 1, no.2, pp. 205-220, April 1992.
[3] D. Taubman and A. Zakhor, “Orientation adaptive subband coding of images,” IEEE Trans.
Image Process., vol.3, no. 4, pp. 421–437, Jul. 1994
[4] Lewis, A.S. and Knowles, G., “Image compression using the 2-D wavelet transform”, IEEE
Transactions on Image Processing, vol.-1, pp. 244 - 250, Apr 1992.
[5] D. Taubman, “Adaptive nonseparable lifting transforms for image compression,” In Proc.
IEEE Int. Conf. Image Process., Kobe, Japan, 3Oct. 1999, vol. 3, pp. 772–776
[6] N. G. Kingsbury and J. F. A. Magarey, “Wavelet Transforms in Image Processing”,
Proceeding of First European Conference on Signal Analysis and Prediction, pp. 23-24, June
1997.
[7] C.-L. Chang, A. Maleki, and B. Girod, “Adaptive wavelet transform for image compression
via directional quincunx lifting,” in Proc. IEEE Workshop Multimedia Signal Processing,
Shanghai, China, Oct. 2005.
[8] O. N. Gerek and A. E. Cetin, “A 2-D orientation-adaptive prediction filter in lifting structures
for image coding,” IEEE Trans. Image Process.,vol. 15, no. 1, pp. 106–111, Jan. 2006
[9] Olivier Rioul and Martin Vetterli, "Wavelets and Signal Processing”, IEEE Trans. on Signal
Processing, vol.-8, Issue 4, pp. 14 – 38, October 1991.
International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 –
6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME
82
[10] Weisheng Dong, Guangming Shi, Member, IEEE, and JizhengXu, Member, IEEE,”Adaptive
Nonseparable Interpolation for Image Compression with Directional Wavelet Transform” in
IEEE SIGNAL PROCESSING LETTERS, VOL. 15, 2008.
[11] Nikos D. Zervas, Giorgos P. Anagnostopoulos, Vassilis Spiliotopoulos, Yiannis
Andreopoulos and Costas E. Goutis, “Evaluation of Design Alternatives for the 2-D-Discrete
Wavelet Transform” IEEE Transactions On Circuits And Systems For Video Technology”,
vol.-11, no.- 12, pp. 1246-1262, December 2001.
[12] Schumpert, J. and Jenkins, “A two-component image coding scheme based on two-
dimensional interpolation and the discrete cosine transform”, IEEE International Conference
on ICASSP, vol.-8, pp. 1232-1236, April 1983.
[13] D. Wang, L. Zhang, and A. Vincent, “Improvement of JPEG2000 using curved wavelet
transform,” Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2005,
Philadelphia, USA, vol. 2, pp. 365-368, Mar. 2005.
[14] Fukutomi, T. Tahara, O. Okamoto and Minami, “Encoding of still pictures by a wavelet
transform and singular value decomposition”, IEEE canadian Conference on Electrical and
Computer Engineering, vol.- 1, pp. 18 – 23, May 1999.
[15] B.V. Santhosh Krishna, AL.Vallikannu, Punithavathy Mohan and E.S.Karthik Kumar,
“Satellite Image Classification using Wavelet Transform”, International Journal of
Electronics and Communication Engineering & Technology (IJECET), Volume 1, Issue 1,
2010, pp. 117 - 124, ISSN Print: 0976- 6464, ISSN Online: 0976 –6472.
[16] Ramdas Bagawade and Pradeep Patil, “Image Resolution Enhancement by using Wavelet
Transform”, International Journal of Computer Engineering & Technology (IJCET), Volume
4, Issue 4, 2013, pp. 390 - 399, ISSN Print: 0976 – 6367, ISSN Online: 0976 – 6375.
[17] S. S. Tamboli and Dr. V. R. Udupi, “Compression Methods using Wavelet Transform”,
International Journal of Computer Engineering & Technology (IJCET), Volume 3, Issue 1,
2012, pp. 314 - 321, ISSN Print: 0976 – 6367, ISSN Online: 0976 – 6375.

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  • 1. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 75 SQUEEZING OF COLOR IMAGE USING SELECTIVE ROTATION BASED PRELIMINARY PLAN Nitin Sharma1 , Anupam Agarwal2 1 Dept.of ECE, Jagannath University, Jaipur, Rajasthan, India 2 Dept.of ECE, Jagannath University, Jaipur, Rajasthan, India ABSTRACT In this paper, for a perfect and effective image squeezing, the direction selective image squeezing preliminary plan is introduced. This preliminary plan performs the collective directional transform in sometime depends on plan and sometimes seeming unfair direction and get a transform coding gain. By using this phenomena, easily maximize the energy compaction. For this compaction, firstly determines the maximum energy direction of an image and after that the sinc interpolation method or three pass algorithms is used for rotating the image and after that the conventional 2-D wavelet transform are used for decomposition of image. The convolution method or lifting method is used for conventional wavelet transform. It outperforms JPEG2000 for typical test image. Keywords: Image squeezing, Directional wavelet transform, Texture of image, Sinc interpolation. I. INTRODUCTION The discrete wavelet transform are used for squeezing the image since 1990.In the 2D-DWT squeezing technique, two one dimension are used for vertical & horizontal direction respectively [1].The image have two types of singularities in which the 2-D discrete wavelet transform (Traditional 2-D DWT) are able to capture point singularities with more effectiveness but at the time of capturing line singularities it becomes failed. It got failed because alignment of horizontal or vertical direction of image and edges & contour in images are not perfect. This imperfectness can be solving by using a new transform by filtering the image in both direction. In this paper, I am going to introduce the discrete wavelet transform which is based on image rotation. By using this phenomenon, it is predicted that the direction for edge & texture image is improved. Thus, the coding performance of adaptive directional wavelet transform can be improved [10]. INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATION ENGINEERING & TECHNOLOGY (IJECET) ISSN 0976 – 6464(Print) ISSN 0976 – 6472(Online) Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME: www.iaeme.com/ijecet.asp Journal Impact Factor (2014): 3.7215 (Calculated by GISI) www.jifactor.com IJECET © I A E M E
  • 2. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 76 In this paper, the 2-D transform, which is introduced, performs the work. Firstly the image is rotated by determined angle then orientation of both of edge & texture comes in vertical & horizontal direction. After that the image is rotated and goes in next step of traditional wavelet transform for decomposition of image and at last coding work will be performed [2]. II. PERTAIN WORK If the alignment of edges & contour are not perfect with horizontally & vertically then the energy of image is spread across the sub band which is the property of DWT.To solve the problem of energy spreading in sub bands ,the directional transform is required. There are two categories are defined for adaptive transform which are:- First category is used for analysis the image along the set of direction which is predetermined[3].Second category is used for analysis the direction itself to the orientation feature of image [3], [4], [7], [8]. On the other hand, two types of adaptive wavelet transform & lifting structured based transform are proposed because both are suitable for filtering the direction to the orientation of edges & texture[5],[7],[10].To minimize the prediction error, use different types of direction selection method which is given in [7],[8]. III. SELECTIVE ROTATION BASED PRELIMINARY PLAN In normal squeezing technique, transformation, quantization and encoding are followed but in this paper, gradient detector, image rotator; conventional wavelet transformation and encoding are used First Step:- The gradient of image (i.e.‫׏‬p(x,y)) is determined. The gradient of image is given by:- ‫݌׏‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ൌ ‫݌‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ‫כ‬ ݄1ሺ‫,ݔ‬ ‫ݕ‬ሻܽ‫ݔ‬ ൅ ‫݌‬ሺ‫,ݔ‬ ‫ݕ‬ሻ ‫כ‬ ݄2ሺ‫,ݔ‬ ‫ݕ‬ሻܽ‫ݕ‬ Where u=(x,y) is arbitrary pixel of image *Convolution operator The value of h1 and h2 is given by:- h1(x,y ) = െ1 0 1 െ2 0 2 െ1 0 1 h2(x,y ) = 1 2 1 0 0 0 െ1 െ2 െ1
  • 3. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 77 Second Step:- The smoothness of the image is determined. For determination, comparing gradient detector with threshold value(S). |સP(x,y)|≥S Where: |‫݌׏‬ሺ‫,ݔ‬ ‫ݕ‬ሻ|=max {|p(x,y)*h1(x,y)|,|p(x,y)*h2(x,y)|} After that, this smooth image is processed as JPEG2000 and edge & texture image, use proposed preliminary plan. The energy of a signal is determined which is useful for determining the direction that contains maximum energy for edge image .The directional energy of signal is given by:- EK (U1) =∑ ‫݇ܧ‬ሺ‫ݑ‬ሻ=∑ሺ‫݌׏‬ሺ‫ݑ‬ሻ, ܽ݇ሻ² Where: ak: unit vector in k direction Figure A: Direction Diagram
  • 4. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 78 Figure B: Forward 2-D directional wavelets transform There are two types of algorithm is necessary for squeezing and reconstruction of image. A. Algorithm for squeezing There are four steps which covers the algorithm of squeezing. Step1) Firstly image is passed through the gradient detector. This gives the information of smoothness of image. Step2) There are two conditions, first one is if image is smooth then traditional wavelet transform is used for squeezing the image and go for next step of coding. Another is if image is not smooth then direction detector determines the direction of orientation of edges & texture. Step3) The direction is calculated then image is rotated by an angle. This angle depends on the direction of orientation. This work is performed by sinc interpolation. The value on angle for nth directional is given by:- (180 16⁄ )*n Step4) In this step, the conventional 2-D wavelet transform is used. When take horizontal & vertical wise transform then approximation,horizontal,vertical and diagonal sub bands are generated. The lifting wavelet transform is also responsible for generating the wavelet sub bands. This phenomenon is shown in figure D.
  • 5. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 79 Figure C: Reverse 2-D directional wavelet transform Figure D: Generating sub bands by conventional wavelet transform B. Algorithm for reconstruction There are only three steps which covers the algorithm of reconstruction. Step1) In this step, coding preliminary plan is used for decoding the image. Step2) In this step, this decoded image is synthesized by using inverse DWT transform. Step3) At last, image is rotated in opposite direction by that angle by which image is rotated in squeezing. Thus, these two algorithms are necessary for squeezing and reconstruction of the color image using selective rotation based preliminary plan. IV. PERFORMANCE WITH CODING OF IMAGE The results of the coded image are compared between the JPEG2000 squeezing arrangement & 2D-DWT arrangement. The wavelet sub bands are same in both squeezing preliminary plan. In this squeezing preliminary plan, squeezed bit stream is organized by utilization of uniform quantizer, EBCOT and MQ coder. Squeezing ratio=Set as the input of squeezing system
  • 6. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 80 Figure E: Performance analysis by JPEG2000 and proposed squeezing preliminary plan for housing In this figure E, the PSNR (peak signal to noise ratio) values with experimental results are included and also shows that the proposed preliminary plan is better than JPEG2000. Thus, for performance checking in image squeezing, the comparison between the JPEG and proposed preliminary plan is shown in table. The unit of performance of image is decimals. TABLE A: COMPARISON BETWEEN THE JPEG2000 AND PROPOSED PRELIMINARY PLAN FOR PERFORMANCE IN IMAGE SQUEEZING
  • 7. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 81 Figure F: Figure showing reconstructed image V. CONCLUSION In this paper, 2-DWT method is presented with preliminary plan with direction determining method. The proposed transform gives a preliminary plan of concentrating more energy of signal in low pass band and squeezed image in proposed transform gives better result comparison to JPEG2000. VI. FUTURE WORK For future work, this preliminary plan can be used for video coding which is based on wavelet at low computational complexity REFERENCE [1] Image Compression Fundamentals, Standards, and Practice. Norwell, MA: Kluwer, 2001. [2] M. Antonini, M. Barlaud, P. Mathieu, and I. Daubechies, "Image Coding Using Wavelet Transform," IEEE Trans. on Image Processing, vol. 1, no.2, pp. 205-220, April 1992. [3] D. Taubman and A. Zakhor, “Orientation adaptive subband coding of images,” IEEE Trans. Image Process., vol.3, no. 4, pp. 421–437, Jul. 1994 [4] Lewis, A.S. and Knowles, G., “Image compression using the 2-D wavelet transform”, IEEE Transactions on Image Processing, vol.-1, pp. 244 - 250, Apr 1992. [5] D. Taubman, “Adaptive nonseparable lifting transforms for image compression,” In Proc. IEEE Int. Conf. Image Process., Kobe, Japan, 3Oct. 1999, vol. 3, pp. 772–776 [6] N. G. Kingsbury and J. F. A. Magarey, “Wavelet Transforms in Image Processing”, Proceeding of First European Conference on Signal Analysis and Prediction, pp. 23-24, June 1997. [7] C.-L. Chang, A. Maleki, and B. Girod, “Adaptive wavelet transform for image compression via directional quincunx lifting,” in Proc. IEEE Workshop Multimedia Signal Processing, Shanghai, China, Oct. 2005. [8] O. N. Gerek and A. E. Cetin, “A 2-D orientation-adaptive prediction filter in lifting structures for image coding,” IEEE Trans. Image Process.,vol. 15, no. 1, pp. 106–111, Jan. 2006 [9] Olivier Rioul and Martin Vetterli, "Wavelets and Signal Processing”, IEEE Trans. on Signal Processing, vol.-8, Issue 4, pp. 14 – 38, October 1991.
  • 8. International Journal of Electronics and Communication Engineering & Technology (IJECET), ISSN 0976 – 6464(Print), ISSN 0976 – 6472(Online), Volume 5, Issue 2, February (2014), pp. 75-82 © IAEME 82 [10] Weisheng Dong, Guangming Shi, Member, IEEE, and JizhengXu, Member, IEEE,”Adaptive Nonseparable Interpolation for Image Compression with Directional Wavelet Transform” in IEEE SIGNAL PROCESSING LETTERS, VOL. 15, 2008. [11] Nikos D. Zervas, Giorgos P. Anagnostopoulos, Vassilis Spiliotopoulos, Yiannis Andreopoulos and Costas E. Goutis, “Evaluation of Design Alternatives for the 2-D-Discrete Wavelet Transform” IEEE Transactions On Circuits And Systems For Video Technology”, vol.-11, no.- 12, pp. 1246-1262, December 2001. [12] Schumpert, J. and Jenkins, “A two-component image coding scheme based on two- dimensional interpolation and the discrete cosine transform”, IEEE International Conference on ICASSP, vol.-8, pp. 1232-1236, April 1983. [13] D. Wang, L. Zhang, and A. Vincent, “Improvement of JPEG2000 using curved wavelet transform,” Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2005, Philadelphia, USA, vol. 2, pp. 365-368, Mar. 2005. [14] Fukutomi, T. Tahara, O. Okamoto and Minami, “Encoding of still pictures by a wavelet transform and singular value decomposition”, IEEE canadian Conference on Electrical and Computer Engineering, vol.- 1, pp. 18 – 23, May 1999. [15] B.V. Santhosh Krishna, AL.Vallikannu, Punithavathy Mohan and E.S.Karthik Kumar, “Satellite Image Classification using Wavelet Transform”, International Journal of Electronics and Communication Engineering & Technology (IJECET), Volume 1, Issue 1, 2010, pp. 117 - 124, ISSN Print: 0976- 6464, ISSN Online: 0976 –6472. [16] Ramdas Bagawade and Pradeep Patil, “Image Resolution Enhancement by using Wavelet Transform”, International Journal of Computer Engineering & Technology (IJCET), Volume 4, Issue 4, 2013, pp. 390 - 399, ISSN Print: 0976 – 6367, ISSN Online: 0976 – 6375. [17] S. S. Tamboli and Dr. V. R. Udupi, “Compression Methods using Wavelet Transform”, International Journal of Computer Engineering & Technology (IJCET), Volume 3, Issue 1, 2012, pp. 314 - 321, ISSN Print: 0976 – 6367, ISSN Online: 0976 – 6375.