Letteratura scientifica selezionata sul tema "JPEG2000"

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Articoli di riviste sul tema "JPEG2000"

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BALSTER, ERIC J., BENJAMIN T. FORTENER, and WILLIAM F. TURRI. "POST-COMPRESSION RATE-DISTORTION DEVELOPMENT FOR EMBEDDED BLOCK CODING WITH OPTIMAL TRUNCATION IN JPEG2000 IMAGERY." International Journal of Image and Graphics 11, no. 04 (2011): 611–27. http://dx.doi.org/10.1142/s0219467811004238.

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This paper presents a development of the post-compression rate-distortion optimization (PCRD-opt) algorithm in JPEG2000 used for optimal truncation (OT) rate control. The proposed treatment of PCRD-opt differs from the treatment given in the JPEG2000 standard and what is given in a number of publications. The proposed algorithm is implemented in a complete JPEG2000 compression engine as well as the algorithm published in the JPEG2000 standard. The proposed algorithm gives a substantial performance gain, outperforming the implementation given in the standard by 0.25–1 dB in PSNR on average, dem
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Ren, Ke Qiang, and Hai Ying Jiang. "Application Research of Kakadu System Based on JPEG2000." Advanced Materials Research 403-408 (November 2011): 1933–36. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.1933.

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JPEG2000 is a new compressed standard of static image, Kakadu is a open source system which can be higher efficiency to realize the algorithm of JPEG2000. This article introduces the codec construction and the compressed stream structure in JPEG2000, analyzes the construction of Kakadu and image compression class in Kakadu, and then carries on application experiments based on JPEG2000 in Kakadu 2.2 platform. Experiments show that the compression of interest image region has higher transfer rate and lower memory compared with the original image, and JPEG2000 has higher compression rate and bett
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OU, CHIEN-MIN, HUI-YA LI, WEN-JYI HWANG, and MEI-HWA LIU. "LAYERED IMAGE TRANSMISSION WITH QUALITY PRE-SPECIFIABLE JPEG2000." International Journal of Image and Graphics 08, no. 04 (2008): 629–41. http://dx.doi.org/10.1142/s0219467808003271.

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A novel JPEG2000-based algorithm, termed quality pre-specifiable layered JPEG2000 (QPSL-JPEG2000), for realizing a layered image transmission (LIT) system is presented in this paper. In the QPSL-JPEG2000 algorithm, the resolution and rate associated with each layer of the LIT system can be pre-specified. It encodes an image one layer at a time using the modified JPEG2000 technique. The encoding process at each layer only covers the subbands having resolution level lower than the designated resolution at that layer subject to the pre-specified incremental rate budget. The encoding results at th
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TSAI, TSUNG-HAN, and LIAN-TSUNG TSAI. "AN EFFICIENT DESIGN FOR MOTION-JPEG2000 SYSTEM IN REAL-TIME VIDEO ENCODING." Journal of Circuits, Systems and Computers 17, no. 04 (2008): 597–610. http://dx.doi.org/10.1142/s0218126608004563.

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Motion-JPEG2000 is derived from Part 1 of the JPEG2000 standard and provides high quality image compression in video coding system. This paper presents a real-time Motion-JPEG2000 encoding which is built on a fixed-point digital signal processor (DSP) as a single-chip implementation. The design addresses on the system-level design considerations. Among several modules in JPEG2000, Embedded Block Coding with Optimized Truncation (EBCOT) algorithm contains the highest computation complexity and also becomes the bottleneck of JPEG2000. Two speed-improved methods are proposed to significantly redu
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Zhang, Lu. "The Design of Static Image Compression System." Advanced Materials Research 1042 (October 2014): 150–53. http://dx.doi.org/10.4028/www.scientific.net/amr.1042.150.

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In this paper, a static image compression system based on DSP is introduced. The compression standard of this system is JPEG2000 that is the new image compression standard by ISO. First, the basic algorithm and key technologic of JPEG2000 are explained. Then, the realization method of the static image compression system based on JPEG2000 image coding is analyzed. Finally, the hardware of this system which is based on DSP is described. And by the verification of the system, very good static image compression effect can be get from this system.
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Dinu, Dragan, and Dragan Ivetic. "Architectures of DICOM based PACS for JPEG2000 medical image streaming." Computer Science and Information Systems 6, no. 1 (2009): 185–203. http://dx.doi.org/10.2298/csis0901185d.

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Delivering of medical image content to mobile/embedded devices with low storage and processing capabilities and low resolution displays is a challenging, but important task for achieving ubiquitous computing in modern hospital environments. The common approaches in industry and technical literature employ JPEG2000 compression and image streaming. Beside image compression, JPEG2000 facilitates image streaming. Different sized images are extracted from one codestream with minimal spatial distortion within decompressed image. We developed DICOM2000 syntax which enables JPEG2000 streaming over DIC
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LU, WEN, LIHUO HE, WENJIAN TANG, FEI GAO, and WEILONG HOU. "A NOVEL COMPRESSED IMAGES QUALITY METRIC." International Journal of Image and Graphics 11, no. 02 (2011): 281–92. http://dx.doi.org/10.1142/s021946781100410x.

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As the performance indicator of the image processing algorithms or systems, image quality assessment (IQA) has attracted the attention of many researchers. Aiming to the widely used compression standards, JPEG and JPEG2000, we propose a new no reference (NR) metric for compressed images to do IQA. This metric exploits the causes of distortion by JPEG and JPEG2000, employs the directional discrete cosine transform (DDCT) to obtain the detail and directional information of the images and incorporates with the visual perception to obtain the image quality index. Experimental results show that the
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Wang, Wei Ling. "JPEG2000 Image Compression Method Based on GPGPU." Advanced Materials Research 756-759 (September 2013): 1314–19. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.1314.

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In order to improve the compression speed of JPEG2000, the JPEG2000 compression standard is analysised and it concluded that the part data of the core algorithm that is DWT in JPEG2000 are independent from each other, so it is very suitable for parallel processing. CUDA (Compute Unified Device Architecture) is a latest software and hardware exploitation platform released by NVIDIA which is very suitable for large-scale data parallel computing.Using CUDA technology on general purpose graphic process unit (GPGPU) could speed up DWT algorithm parallelly and the program is optimized based on the c
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Marcellin, Michael W., and Ali Bilgin. "JPEG2000 for Digital Cinema." SMPTE Motion Imaging Journal 114, no. 5-6 (2005): 202–9. http://dx.doi.org/10.5594/j12291.

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Colyer, G. J., and R. A. Clark. "JPEG2000 and interactive applications." IEEE Transactions on Consumer Electronics 49, no. 4 (2003): 850–54. http://dx.doi.org/10.1109/tce.2003.1261165.

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Tesi sul tema "JPEG2000"

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Natu, Ambarish Shrikrishna Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Error resilience in JPEG2000." Awarded by:University of New South Wales. Electrical Engineering and Telecommunications, 2003. http://handle.unsw.edu.au/1959.4/18835.

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The rapid growth of wireless communication and widespread access to information has resulted in a strong demand for robust transmission of compressed images over wireless channels. The challenge of robust transmission is to protect the compressed image data against loss, in such a way as to maximize the received image quality. This thesis addresses this problem and provides an investigation of a forward error correction (FEC) technique that has been evaluated in the context of the emerging JPEG2000 standard. Not much effort has been made in the JPEG2000 project regarding error resilience. Th
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Gupta, Amit Kumar Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Hardware optimization of JPEG2000." Awarded by:University of New South Wales. School of Electrical Engineering and Telecommunications, 2006. http://handle.unsw.edu.au/1959.4/30581.

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The Key algorithms of JPEG2000, the new image compression standard, have high computational complexity and thus present challenges for efficient implementation. This has led to research on the hardware optimization of JPEG2000 for its efficient realization. Luckily, in the last century the growth in Microelectronics allows us to realize dedicated ASIC solutions as well as hardware/software FPGA based solutions for complex algorithms such as JPEG2000. But an efficient implementation within hard constraints of area and throughput, demands investigations of key dependencies within the JPEG2000 sy
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Dyer, Michael Ian Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Hardware Implementation Techniques for JPEG2000." Awarded by:University of New South Wales. Electrical Engineering and Telecommunications, 2007. http://handle.unsw.edu.au/1959.4/30510.

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JPEG2000 is a recently standardized image compression system that provides substantial improvements over the existing JPEG compression scheme. This improvement in performance comes with an associated cost in increased implementation complexity, such that a purely software implementation is inefficient. This work identifies the arithmetic coder as a bottleneck in efficient hardware implementations, and explores various design options to improve arithmetic coder speed and size. The designs produced improve the critical path of the existing arithmetic coder designs, and then extend the coder thro
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Oh, Han. "Perceptual Image Compression using JPEG2000." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/202996.

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Image sizes have increased exponentially in recent years. The resulting high-resolution images are typically encoded in a lossy fashion to achieve high compression ratios. Lossy compression can be categorized into visually lossless and visually lossy compression depending on the visibility of compression artifacts. This dissertation proposes visually lossless coding methods as well as a visually lossy coding method with perceptual quality control. All resulting codestreams are JPEG2000 Part-I compliant.Visually lossless coding is increasingly considered as an alternative to numerically lossles
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Aulí, Llinàs Francesc. "Model-Based JPEG2000 rate control methods." Doctoral thesis, Universitat Autònoma de Barcelona, 2006. http://hdl.handle.net/10803/5806.

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Aquesta recerca està centrada en l'escalabilitat qualitativa de l'estàndard de compressió d'imatges JPEG2000. L'escalabilitat qualitativa és una característica fonamental que permet el truncament de la tira de bits a diferents punts sense penalitzar la qualitat de la imatge recuperada. L'escalabilitat qualitativa és també fonamental en transmissions d'imatges interactives, ja que permet la transmissió de finestres d'interès a diferents qualitats. <br/>El JPEG2000 aconsegueix escalabilitat qualitativa a partir del mètode de control de factor de compressió utilitzat en el procés de compressió, q
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Nilsson, Per. "Hardware / Software co-design for JPEG2000." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5796.

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<p>For demanding applications, for example image or video processing, there may be computations that aren’t very suitable for digital signal processors. While a DSP processor is appropriate for some tasks, the instruction set could be extended in order to achieve higher performance for the tasks that such a processor normally isn’t actually design for. The platform used in this project is flexible in the sense that new hardware can be designed to speed up certain computations.</p><p>This thesis analyzes the computational complex parts of JPEG2000. In order to achieve sufficient performance for
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Pu, Lingling. "Joint Source/Channel Coding For JPEG2000." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/194377.

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In today's world, demands of digital multimedia services are growing tremendously, together with the development of new communication technologies and investigation of new transmission media. Two common problems encountered in multimedia services are unreliable transmission channels and limited resources. This dissertation investigates advanced source coding and error control techniques, and is dedicated to designing joint source-channel coding schemes for robust image/video transmission. Error resilience properties of JPEG2000 codestreams are investigated first, and an LDPC-based joint itera
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Narayanan, Barath Narayanan. "Multiframe Super Resolution with JPEG2000 Compressed Images." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1365597593.

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Lucking, David Joseph. "FPGA Implementation of the JPEG2000 MQ Decoder." University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1272050082.

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Yeung, Yick Ming. "Fast rate control for JPEG2000 image coding /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202003%20YEUNG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 63-65). Also available in electronic version. Access restricted to campus users.
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Libri sul tema "JPEG2000"

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Acharya, Tinku, and Ping-Sing Tsai. JPEG2000 Standard for Image Compression. John Wiley & Sons, Inc., 2004. http://dx.doi.org/10.1002/0471653748.

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Acharya, Tinku. JPEG2000 Standard for Image Compression. John Wiley & Sons, Ltd., 2005.

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Taubman, David S., and Michael W. Marcellin. JPEG2000 Image Compression Fundamentals, Standards and Practice. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0799-4.

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W, Marcellin Michael, ed. JPEG2000: Image compression fundamentals, standards, and practice. Kluwer Academic Publishers, 2002.

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Acharya, Tinku. JPEG2000 standard for image compression: Concepts, algorithms and VLSI architectures. Wiley-Interscience, 2005.

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Jpeg2000 Standard for Image Compression. Wiley & Sons Canada, Limited, John, 2005.

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Scalable 3D Visualization: Exploiting JPEG2000-Based Information Hiding. VDM Verlag, 2009.

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JPEG2000 Standard for Image Compression: Concepts, Algorithms and VLSI Architectures. The Scottish Bible Society, 2004.

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Acharya, Tinku, and Ping-Sing Tsai. JPEG2000 Standard for Image Compression: Concepts, Algorithms and VLSI Architectures. Wiley-Interscience, 2004.

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Acharya, Tinku, and Ping-Sing Tsai. JPEG2000 Standard for Image Compression: Concepts, Algorithms and VLSI Architectures. Wiley & Sons, Incorporated, John, 2008.

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Capitoli di libri sul tema "JPEG2000"

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Taubman, David S., and Michael W. Marcellin. "Introduction to JPEG2000." In JPEG2000 Image Compression Fundamentals, Standards and Practice. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0799-4_9.

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Memon, Qurban A. "JPEG2000 Compatible Layered Block Cipher." In Intelligent Systems Reference Library. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44270-9_11.

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Stütz, Thomas, and Andreas Uhl. "On JPEG2000 Error Concealment Attacks." In Advances in Image and Video Technology. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-92957-4_74.

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Zhang, Chunhui, Yun Long, and Fadi Kurdahi. "A Scalable Embedded JPEG2000 Architecture." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11512622_36.

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Ahmadinia, Ali, Hernando Fernandez-Canque, and Roberto Ramirez-Iniguez. "Dynamic Reconfiguration in JPEG2000 Hardware Architecture." In Knowledge-Based and Intelligent Information and Engineering Systems. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23854-3_48.

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Oh, Hwajong, Kwangsoo Lee, and Sangjin Lee. "Attack on JPEG2000 Steganography Using LRCA." In Digital Watermarking. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11922841_22.

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Rosenbaum, René, and Heidrun Schumann. "Compliant Interframe Coding for Motion-JPEG2000." In Advances in Visual Computing. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17277-9_11.

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Norcen, Roland, and Andreas Uhl. "Selective Encryption of the JPEG2000 Bitstream." In Communications and Multimedia Security. Advanced Techniques for Network and Data Protection. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-45184-6_16.

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Carta, Maria Teresa, Barbara Podda, and Cristian Perra. "User Authentication Based on JPEG2000 Images." In Visual Content Processing and Representation. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11738695_27.

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González-Conejero, Jorge. "Legal Multimedia Management through JPEG2000 Framework." In AI Approaches to the Complexity of Legal Systems. Complex Systems, the Semantic Web, Ontologies, Argumentation, and Dialogue. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16524-5_15.

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Atti di convegni sul tema "JPEG2000"

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Sakamoto, Yuji, and Hiroki Oi. "Comparison of Lossy Compression Method for Object Light Data of Hologram." In Digital Holography and Three-Dimensional Imaging. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/dh.2022.w5a.48.

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This article reports the results of comparing the compression of object light data for holograms using various lossy compression methods: JPEG, vector quantization (VQ), JPEG2000, and fractal compression. The efficiencies were JPEG2000 &gt;fractal compression &gt;VQ &gt;JPEG at compression rates from 1% to 20%. In particular, when the PSNR was large, it became clear that the compression efficiency of JPEG2000 was very good.
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Christopoulos, C. A., T. Ebrahimi, and A. N. Skodras. "JPEG2000." In the 2000 ACM workshops. ACM Press, 2000. http://dx.doi.org/10.1145/357744.357757.

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Wong, P. H. W., G. Y. M. Yeung, and O. C. Au. "Capacity for JPEG2000-to-JPEG2000 images watermarking." In 2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698). IEEE, 2003. http://dx.doi.org/10.1109/icme.2003.1221659.

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Marcellin, Michael W., and Ali Bilgin. "JPEG2000 for Digital Cinema." In SMPTE Advanced Motion Imaging Conference. IEEE, 2005. http://dx.doi.org/10.5594/m001112.

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Ballard, Brett S., and Eric J. Balster. "JPEG2000 code-stream interpreter." In NAECON 2009 - IEEE National Aerospace and Electronics Conference. IEEE, 2009. http://dx.doi.org/10.1109/naecon.2009.5426632.

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Bilgin, Ali, Zhenyu Wu, and Michael W. Marcellin. "Packetization of JPEG2000 codestreams." In Electronic Imaging 2002, edited by C. C. Jay Kuo. SPIE, 2002. http://dx.doi.org/10.1117/12.453104.

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Hui-Yang Wang and Xiang-Dong You. "Study of JPEG2000 on Android." In 2012 International Conference on Wavelet Active Media Technology and Information Processing (ICWAMTIP). IEEE, 2012. http://dx.doi.org/10.1109/icwamtip.2012.6413439.

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Lee, Jeong-Woo, Bumho Kim, and Ki-Song Yoon. "CUDA-based JPEG2000 encoding scheme." In 2014 16th International Conference on Advanced Communication Technology (ICACT). Global IT Research Institute (GIRI), 2014. http://dx.doi.org/10.1109/icact.2014.6779047.

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Liang, Zhang. "Wavelet Domain Steganography for JPEG2000." In 2006 International Conference on Communications, Circuits and Systems. IEEE, 2006. http://dx.doi.org/10.1109/icccas.2006.284556.

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Lalgudi, Hariharan G., Ali Bilgin, Michael W. Marcellin, and Mariappan S. Nadar. "Multi-dimensional Compression Using JPEG2000." In 2008 Data Compression Conference DCC. IEEE, 2008. http://dx.doi.org/10.1109/dcc.2008.27.

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