It incorporates the prior knowledge within the reconstruction by using a weight volume, representing for each voxel its probability of undergoing the dynamic process. Weighted back projection has the ability to handle small errors in the prior knowledge, while similar 4D micro-CT techniques require the prior knowledge to be exactly correct. Therefore, processes on which this technique is applicable are preferably occurring within a static grid. We present weighted back projection, a technique applicable in iterative reconstruction methods using two types of prior knowledge: (1) a virtual starting volume resembling the sample, for example obtained from a scan before the dynamic process was initiated, and (2) knowledge on which regions in the sample are more likely to undergo the dynamic process. However, it is still difficult to study very fast processes with this technique, since fast scanning is typically associated with high image noise levels. By visiting our website and accessing the information, resources, services, products, and tools we provide for you, either directly or indirectly (hereafter referred to as ‘Resources’), you agree to use these Resources only for the purposes intended as permitted by (a) the terms of this User Agreement, (b) the terms of any applicable confidentiality, non-disclosure, or other agreement between you and a third party, and (c) applicable laws, regulations and generally accepted online practices or guidelines.Time-resolved micro-CT is an increasingly powerful technique for studying dynamic processes in materials and structures. Your continued use of this site after such modifications will constitute acknowledgment and agreement of the modified terms and conditions. You acknowledge and agree that it is your responsibility to review this User Agreement periodically to familiarize yourself with any modifications. We reserve the right to change this User Agreement from time to time without notice. This agreement is in effect as of October 25, 2018. By visiting our website and accessing the information, resources, services, products, and tools we provide, you understand and agree to accept and adhere to the following terms and conditions as stated in this policy (hereafter referred to as ‘User Agreement’), along with the terms and conditions as stated in our Privacy Policy (please refer to the Privacy Policy section below for more information). Welcome to This website is owned and operated by Micro Photonics Inc. The email address you provide for order processing, will only be used to send you information and updates pertaining to your order.Note: If at any time you would like to unsubscribe from receiving future emails, we include detailed unsubscribe instructions at the bottom of each email. Your information, whether public or private, will not be sold, exchanged, transferred, or given to any other company for any reason whatsoever, without your consent, other than for the express purpose of delivering the purchased product or service requested. To improve customer service (your information helps us to more effectively respond to your customer service requests and support needs). To personalize your experience (your information helps us to better respond to your individual needs). What do we use your information for? Any of the information we collect from you may be used in one of the following ways:
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