Zobrazeno 1 - 10
of 210
pro vyhledávání: '"V. Sadasivam"'
Autor:
A. Sindhuja, V. Sadasivam
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 4, Iss 4, Pp 853-857 (2014)
Elastography is the emerging imaging modality that analyzes the stiffness of the tissue for detecting and classifying breast tumors. Computer-aided detection speeds up the diagnostic process of breast cancer improving the survival rate. A multiresolu
Externí odkaz:
https://doaj.org/article/db8b0665e008497a8ca11e9efd444807
Autor:
G. Muthu Lakshmi, V. Sadasivam
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 3, Iss 1, Pp 445-451 (2012)
In this paper, a new method of vector quantizer design for image compression using Generic codebook and wavelet transformation is proposed. In the proposed method, Self Organizing Feature Map (SOFM) is used for initial codebook generation. A new sche
Externí odkaz:
https://doaj.org/article/9f1e6bc2b3424c91bd8224e93ca3b809
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 2, Iss 2, Pp 327-333 (2011)
A speedy recovery of damaged digitized photographs based on orientation driven multi structure morphology is proposed. The recovery order plays an important factor for human visualization and hence it is guided by the orientation of edges at the surr
Externí odkaz:
https://doaj.org/article/5b0021c28f9d46faaf91cb46aa59f1e0
Autor:
B.N. Prathibha, V. Sadasivam
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 2, Iss 1, Pp 254-257 (2011)
Mammography is a well established imaging technique for showing tissue abnormalities of breast and has been proven to reduce death rate due to breast cancer in screened populations of women. The proposed method classifies the breast tissues according
Externí odkaz:
https://doaj.org/article/f5bcc2ea190e466da18c7ad7ad5367f8
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 2, Iss 1, Pp 279-284 (2011)
This paper presents a one pass block classification algorithm for efficient coding of compound images which consists of multimedia elements like text, graphics and natural images. The objective is to minimize the loss of visual quality of text during
Externí odkaz:
https://doaj.org/article/281dc364e5d441d6bf6f2814af4bd4da
Publikováno v:
ICTACT Journal on Communication Technology, Vol 2, Iss 1, Pp 283-290 (2011)
Bluetooth is a low power and cost-effective short range wireless network technology working in 2.4GHz ISM band. Bluetooth can be implemented either in piconet or Scatternet. In piconet the devices can communicate with each other forming a network wit
Externí odkaz:
https://doaj.org/article/79c6b4bac8e14d6b937b7cf6a7557eee
Autor:
B.N. Prathibha, V. Sadasivam
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 1, Iss 3, Pp 172-177 (2011)
Breast cancer is a primary cause of mortality and morbidity in women. Reports reveal that earlier the detection of abnormalities, better the improvement in survival. Digital mammograms are one of the most effective means for detecting possible breast
Externí odkaz:
https://doaj.org/article/2127065a4bb5410da0d1b5fd209cb1e8
Autor:
P. Arockia Jansi Rani, V. Sadasivam
Publikováno v:
ICTACT Journal on Image and Video Processing, Vol 1, Iss 1, Pp 37-42 (2010)
Image compression is very important in reducing the costs of data storage and transmission in relatively slow channels. In this paper, a still image compression scheme driven by Self-Organizing Map with polynomial regression modeling and entropy codi
Externí odkaz:
https://doaj.org/article/920dfab594174fedba0c8654b31ddf7b
Autor:
R. Lakshmi Priya, V. Sadasivam
Publikováno v:
The Scientific World Journal, Vol 2015 (2015)
Providing authentication and integrity in medical images is a problem and this work proposes a new blind fragile region based lossless reversible watermarking technique to improve trustworthiness of medical images. The proposed technique embeds the w
Externí odkaz:
https://doaj.org/article/b470a5f8ce40480ab19962055c2cf77d
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 1472-1479 (2013)
The synthesis of 2-tetralones through the cyclization of δ-aryl-β-dicarbonyl substrates by using CAN is described. Appropriately functionalized aromatic substrates undergo intramolecular cyclizations generating 2-tetralone derivatives in moderate t
Externí odkaz:
https://doaj.org/article/d067e7a28cd14ab782067a0ae2e1540f