
Pichate KunakornvongRajamangala University of Technology · Computer Science
Pichate Kunakornvong
Ph.D. (Data Storage Technology)
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9
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Publications (9)
The plant disease is the big problem which effect to the quality of the plant production. This research proposed the classification of the plant disease through the leaf with machine vision. The example of diseases used in this work are Bacterial disease and Fungal disease. K-means clustering is used for segmentation the interesting leaf. Then, the...
The quality is very important to increase sales and competitiveness in the market. The apples classification process is still complete by human, it not gives accurate and get the difference results due to the different of human perceptions. This research proposes the classification model to classify apples image using Convolution Neural Network (CN...
Delivery of zero-defect products to customers in due time is key to customer satisfaction. This paper presents a new machine vision system for detecting the defects on the air bearing surface of the head gimbal assembly (HGA). The paper presents two contributions: a practical software implementation by using unified histogram equalization, and a de...
In this paper, we present a newly adapted machine vision method and a practical low-cost machine vision sensor for defect classification of the air bearing surfaces (ABSs) of a hard disk drive, which controls the flying height of the recording heads moving above a disk in operation. A defective ABS can cause poor reading and writing performance; he...
Air Bearing Surface (ABS) is a part on HDD responsible to control the flying height during read/write data. The defect on ABS causes poor performance, therefore it is necessary to verify the part before assembly to the final products. This paper presents a practical approach for machine vision to detect defect on the air bearing surface (ABS) of a...
This chapter presents texture analysis methods for detection of contaminations (micro particle, stain and metal) on the air-bearing surface (ABS). A complete system is developed composed of an image acquisition module, a feature extraction module and a decision-making module. The input ABS image is first analyzed by the texture unit and the co-occu...
Air bearing surface (ABS) is the part of magnetic read/write head flying height controller. It is very important part in magnetic disk (hard disk drive), defected on ABS lead to crash between read/write head and disk surface, therefore its verifying is necessary. The best way to verify defect on ABS is machine vision. Main problem of machine vision...
One important part of a read/write head in hard disk drive is Air Bearing Surface (ABS), therefore its verifying is necessary. Main problem of verifying ABS with machine vision in manufacturing process is variance of luminance intensity that affects image acquisition. This research proposes method for reduce variance of luminance intensity by Textu...
Lead zirconate titanate, also known as PZT, is a type of piezoelectric ceramics commonly used for actuators in modern hard disk drives (HDDs). These PZT actuators are prone to hairline surface cracks, prompting detection and removal during the HDD production. Machine vision is then utilized for automatic detection of these cracks. The developed ima...