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                                                                                                                                                              您的位置>首頁>新聞動態> 基于機器視覺的表面缺陷檢測存在哪些問題

                                                                                                                                                              發布時間: 2022-01-08    瀏覽量:172
                                                                                                                                                              表面缺陷檢測

                                                                                                                                                                     在機器視覺領域,表面缺陷檢測系統屬于最基礎的部分,但是往往最基礎的部分帶來的問題也最多,除了本身行業存在的影響因素外,它還受到了了多方面因素的制約。

                                                                                                                                                                     對產品進行檢測,剛進入的視覺檢測系統如同行業的新人一般,對產品的外觀缺陷類別比較陌生,需要不少的時間進行學習,而往往進入下一個產品檢測時,這種學習的記錄有無法提供有效的經驗,產品的不同,帶來的不只是名字的改變,更是許多不可控缺陷的出現。

                                                                                                                                                                     接下來陜西永輝的小編帶大家了解表面缺陷檢測目前存在的行業問題。

                                                                                                                                                              表面缺陷檢測技術的發展

                                                                                                                                                                1)由于受到環境、光照、生產技術和噪聲等多重因素的影響,檢測系統的信噪比一般較低,微弱的信號難以檢測,或無法與噪聲有效區分。 如何建立穩定、可靠、穩健的檢測系統來應對光的變化、噪聲和其他外界惡劣環境的干擾,是需要解決的問題之一。

                                                                                                                                                                2 )機器視覺表面缺陷檢測,特別是在線檢測,以數據量龐大、冗余信息多、特征空間維度高為特征,同時考慮到真實機器視覺面臨的對象和問題的多樣性,缺乏從海量數據中提取有限缺陷信息的算法能力,導致算法

                                                                                                                                                                3 )與機器視覺表面檢測密切相關的人工智能理論有了很大的發展,但如何模擬人腦的信息處理功能構建智能機器視覺系統還需要從理論上進一步研究,如何基于生物視覺識別更好地指導機器視覺檢測是研究者的難點之一

                                                                                                                                                                4)從機器視覺表面檢測的準確性方面來看,盡管一系列優秀算法層出不窮,但在實際應用中準確率與滿足實際應用的需要仍有一定差距,準確識別與模糊特征之間、實時性與準確性之間的矛盾

                                                                                                                                                                     以上就是我們今天所要分享的表面缺陷檢測問題,雖然問題繁多,但是對于一個成熟的視覺檢測公司來說,大部分行業已經有深入的案例研究,可以很快的為我們產線進行升級改造,而對于一個新行業的進入,那么就不是一家一戶的問題,而是整個行業來共同推動的結果!

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