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Image Steganography is the process of embedding text in images such that itsexistence cannot be detected by Human Visual System (HVS) and is known only tosender and receiver. This paper presents a novel approach for imagesteganography using Hue-Saturation-Intensity (HSI) color space based on LeastSignificant Bit (LSB). The proposed method transforms the image from RGB colorspace to Hue-Saturation-Intensity (HSI) color space and then embeds secret datainside the Intensity Plane (I-Plane) and transforms it back to RGB color modelafter embedding. The said technique is evaluated by both subjective andObjective Analysis. Experimentally it is found that the proposed method havelarger Peak Signal-to Noise Ratio (PSNR) values, good imperceptibility andmultiple security levels which shows its superiority as compared to severalexisting methods

A Novel Image Steganographic Approach for Hiding Text in Color Images using HSI Color Model