The NPTEL course closely follows books like Sridhar’s and is completely free.
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The "patched" textbook is a symbol of our times: it is unauthorized, likely imperfect, yet arguably more accessible and resilient than the original. It represents a reality where the book is no longer a static monument, but a dynamic stream of data, constantly being uploaded, downloaded, compressed, corrected, and patched by the invisible hands of the global network. In seeking the "better patched" version, the user is not just stealing a book; they are participating in the ongoing, chaotic preservation of human knowledge. Thresholding techniques Edge detection Region growing
There are two interpretations of a "patched" textbook: The NPTEL course closely follows books like Sridhar’s