How to convert bitmap images stored in a MySQL table to JPEG format?

How to convert bitmap images stored in a MySQL table to JPEG format?

References

Reference NO 1

http://stackoverflow.com/questions/13632959/how-to-convert-bitmap-images-stored-in-a-mysql-table-to-jpeg-format

Reference NO 2

http://stackoverflow.com/questions/6106470/php-convert-a-blob-into-an-image-file

Reference NO 3

http://vantulder.net/old-articles/storage-and-reuse-of-images-part-1

Reference NO 4

http://mrarrowhead.com/index.php?page=store_images_mysql_php.php

Reference NO 5

http://bytes.com/topic/mysql/answers/643396-how-store-images-binary-data-mysql-database-using-blob-fields

Reference NO 6

http://www.bigresource.com/VB-save-picture-as-bitmap-or-jpeg-t9mbuF5eFJ.html

Reference NO 7

http://forumarray.com/can-itextsharp-rasterizeexport-to-jpeg-or-other-image-format-493350

Reference NO 8

http://codeasp.net/forums/asp-net-topics/data-access/762/how-to-save-retrieve-image-from-mysql-db