2 research outputs found
Minimalist AdaBoost for blemish identification in potatoes
We present a multi-class solution based on minimalist Ad-
aBoost for identifying blemishes present in visual images of potatoes.
Using training examples we use Real AdaBoost to rst reduce the fea-
ture set by selecting ve features for each class, then train binary clas-
siers for each class, classifying each testing example according to the
binary classier with the highest certainty. Against hand-drawn ground
truth data we achieve a pixel match of 83% accuracy in white potatoes
and 82% in red potatoes. For the task of identifying which blemishes
are present in each potato within typical industry dened criteria (10%
coverage) we achieve accuracy rates of 93% and 94%, respectively
A prototype low-cost machine vision system for automatic identification and quantification of potato defects
This paper reports on a current project to develop a prototype system
for the automatic identification and quantification of potato defects based on
machine vision. The system developed uses off-the-shelf hardware, including a
low-cost vision sensor and a standard desktop computer with a graphics processing
unit (GPU), together with software algorithms to enable detection, identification
and quantification of common defects affecting potatoes at near-real-time frame
rates. The system uses state-of-the-art image processing and machine learning
techniques to automatically learn the appearance of different defect types. It also
incorporates an intuitive graphical user interface (GUI) to enable easy set-up of the
system by quality control (QC) staff working in the industry