4/13/2023 0 Comments Lintong coffee wild kopi luwak![]() The training and validation result obtained the GoogLeNet as the best CNN model with optimizer type Adam and learning rate 0.0001, which resulted in 89.65% accuracy. At the same time, the sensitivity analysis was performed by setting the CNN parameters such as optimization technique (SGDm, Adam, RMSProp) and the initial learning rate (0.00005 and 0.0001). Then, the research also compared the performance of four pre-trained convolutional neural network (CNN) models consisting of SqueezeNet, GoogLeNet, ResNet-50, and AlexNet. The classifying method relied on a low-cost commercial visible light camera and the deep learning model method. The research aimed to detect and classify Luwak coffee green beans purity into the following purity categories, very low (0-25%), low (25-50%), medium (50-75%), and high (75-100%). However, the absence of tools and methods to classify Luwak coffee counterfeiting makes the sensing method’s development urgent. In order to lower production costs, Indonesian producers and retailers often mix high-priced Luwak coffee with regular coffee green beans. Luwak coffee (palm civet coffee) is known as one of the most expensive coffee in the world. Standardization of kopi luwak quality needs to be developed, certification of kopi luwak as a quality guarantee will increase consumer confidence and maintain the continuity of this coffee. ![]() Counterfeiting kopi luwak is still common. Kopi luwak production with captivity needs to be well studied so that it can be accepted by the world market. Some research results show that wild kopi luwak and caged kopi luwak have different characteristics. Indonesia as the first country to produce kopi luwak certainly needs to pay special attention to the development of this coffee. ![]() A number of problems arise in production, consumption and trade. ![]() ![]() However, due to the limited number, farmer began to cultivate kopi luwak with captivity (caged kopi luwak). Kopi luwak production is initially done naturally by collecting kopi luwak from nature. Kopi luwak is currently recognized as the most special and most expensive coffee in the world. This coffee produced from the finest and ripest coffee berries that are eaten by luwak (Paradoxurus hermaphroditus), a cat like-animal. Kopi luwak or civet coffee is known as one of the most popular coffee in the world. ![]()
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