Encryption in general is the process of keeping up the secrecy of data (both fixed and versatile) utilizing programs that can Convert and make an interpretation of that data into codes so that whenever got to by unapproved people doesn't They can comprehend anything since what appears to them is a blend of images, numbers and unlimited characters, the file is encrypted And decryption by password, which must be known to both parties (sender and receiver) This is called With symmetric encryption, Decryption means decryption. The quality and viability of encryption rely upon two key factors: the algorithm, and the key length evaluated by Bit, the higher the bit, the greater the security and difficulty of decrypting. The concept of soft set was studied and applied on the public key cryptography like simple Knapsack and Trapdoor Knapsack ciphers. Significant results were presented that was the measure of the evaluate encryption using the SNR and PSNR.
Diabetic Retinopathy (DR), is the most prevalent human retina disease. This disease occurred due to diabetes. This disease requires early treatment to avert any malfunction of organs affected by diabetes that could render them dysfunctional. Exudates are the most familiar of diabetic retinopathy earliest signs. In this context, new methods have been developed for the localization and isolation of the optical disk and the discovery of exudates in the retina image. A new algorithm was introduced to localize and segment optical disk prior to process of secretion because it appears in a similar color, density, and in contrast of other features of the retinal image. The algorithm deployed utilizes three steps to extract exudates from physiological properties. In the fundus image, first step depends on the thresholding of intensity, the second is based on Morphological processing and the third step strategically combines a joint of step1 and step 2 to disclose all exudates thereby evicting any sort of bogus positive. The proposed method was applied on several images from the database and thus far concluding accurate and promising results.
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