Karthik Gopinath

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3D imaging modalities are becoming increasingly popular and relevant in retinal imaging owing to their effectiveness in highlighting structures in sub-retinal layers. OCT is one such modality which has great importance in the context of analysis of cystoid structures in subretinal layers. Signal to noise ratio(SNR) of the images obtained from OCT is less(More)
A 9-year old experiment was conducted at Almora, India to study the effects of mineral sources of nutrients in different combinations with or without crop residue or farmyard manure (FYM) addition on crop productivity under a rainfed maize–wheat system. Plots under 100 % nitrogen–phosphorus–potassium (NPK) + FYM had maximum mean maize (5.00 Mg ha−1) and(More)
This paper presents an atlas-based segmentation method for subcortical structures in magnetic resonance brain images. This method utilizes our previously introduced two-step registration comprising an affine transformation applied to the entire brain area followed by a local nonrigid transformation applied to subcortical structures. This method is compared(More)
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