1. 1. Sudhir Rao Rupanagudi, Ranjani B.S, Prathik Nagaraj,Varsha G Bhat, “A Cost Effective Tomato Maturity Grading System using Image Processing for Farmers”, IEEE International Conference on Contemporary Computing and Informatics (IC3I), 2014
   2. Meenu Dadwal, V. K. Banga, 2012 October “Estimate Ripeness Level Fruits using RGB Color Space and Fuzzy Logic Technique”, International Journal of Engineering and Advanced Technology(IJEAT), ISSN:2249-8958, Volume-2,Issue-1..
   3. Dhanbal T, Debabrata Samanta, 2013 November “Computerized Spoiled Tomato Detection”, International Journal of Research in Engineering and Technology, Volume – 2, Issue-11.
   4. J. Brezmes, E. Llobet X. Vilanova, G.Saiz, X. Correig, 2000 February, “Fruit ripeness monitoring using an electronic nose”, Elsevier Science.
   5. Hongpeng Yin, Yi Chai, Simon X. Yang, Gauri S. Mittal, “Ripe tomato extraction for a harvesting robotic system”, International Conference on Systems, IEEE, 2009 October.
   6. Mandeep Kaur, Reecha Sharma, 2015 July, “Quality detection of fruits by using ANN technique”, IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
   7. Shiv Ram Dubey, Anand Singh Jalal, “Detection and classification of apple fruit diseases using complete local binary patterns”, International Conference on Computer and Communication Technology, IEEE, 2012
   8. Miss. Anuradha Gawande, Prof S. S Dhande, 2015 June “Implementation of Fruits Grading and Sorting System by using Image Processing and Data Classifier”, International Journal of Computer Science and Engineering, Volume 2, Issue 6