Pixel extraction using DCM4CHE take time 1 or 2 hours. What you can do? 1: load dicom data(2D image only, this do not explain about video format.) as Attributes objects 2: Extract pixel array (in this case, only use LEE, JPEG2000, JPEG Baseline that are major transfer-syntax and 8 or 16 bit grayscale.) 3: show pixels as images What prerequisite? 1: have java programming skills (need not high skill) 2: can use eclipse 2018 version or higher 3: can use maven project in eclipse 4: download sample dicom dataset from weasis projects( https://github.com/nroduit/dcm-samples ) 5: use jdk 1.8 or higher (and set to maven projects it version) Project Set-Up 1. create dcm4che_tutorial maven projects - File > New > Other > Maven Projects - check Simple archtype and setup on your need. 2. edit pom.xml - add dcm4che Repository. - add three libraries (dcm4che-core, jai_imageio, ij) to dependencies in this case, for instance, Example my pom.xml <project xml