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RISEvaluation and comparison firmness of “Golab Apple” with two methods of acoustic and penetration during cold storage
of acoustic test and puncture test during storage. Values of firmness index for apples in storage time changed between 21.76-8.44(×106Hz2gr2/3).To find the dominant frequency of apples ,by a pendulum device, non destructive impulses was hit to apples and by a...
A Watermarking Attack Based on Content-Aware Image Resizing
In this paper, we propose a new method for damaging and destroying robust invisible watermarks using an image resizing technique which is named seam carving. By using this method we are able to resize watermarked images ...
A New Adaptive Watermarking Attack in Wavelet Domain
In this paper, we proposed a categorization for most of the existing watermarking algorithms that work in wavelet domain. Then an adaptive watermarking attack for digital images that is based on the proposed categorization ...
Kiwifruit Classification using Impact- Acoustic Technique and Artificial Neural Network
طبقه‌بندی کیوی با استفاده از تکنیک ضربه- آکوستیک و شبکه عصبی مصنوعی
حفظ پارامترهای کیفی میوه در مرحله پس از برداشت نقش تاثیرگذاری در بازارپسندی و کاهش ضایعات محصول دارد. هدف اصلی تحقیق حاضر، بررسی فاکتور سفتی میوه‌ی کیوی پس از برداشت با استفاده از تکنیک غیرمخرب آنالیز سیگنال صوتی حاصل از ...