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Detection of Out-Of-Focus Digital Photographs - HP
- http://hplabs.hp.com/techreports/2005/HPL-2005-14.pdf
- 2. DETECTION OF OUT-OF-FOCUS PHOTOS The ultimate goal of the out-of-focus detection algorithm is to be able to determine whether the object of interest is focused or not. Sometimes, the digital camera focuses on the background instead of the foreground if the image is not properly focused. In this case, detecting out-of-focus photos is not a ...
Detection of Out-Of-Focus Digital Photographs
- https://www.hpl.hp.com/techreports/2005/HPL-2005-14.html
- Click here for full text: Detection of Out-Of-Focus Digital Photographs. Lim, Suk Hwan; Yen, Jonathan; Wu, Peng. HPL-2005-14 Keyword(s): digital photographs; out-of-focus; sharpness; image analysis Abstract: One of the first criteria that a user uses in deciding to use and consume a photograph is whether it is in focus or not. We have developed an effective and efficient …
Detection of Out-Of-Focus Digital Photographs
- https://www.researchgate.net/publication/242266304_Detection_of_Out-Of-Focus_Digital_Photographs
- Download Citation | On Jan 1, 2005, Suk Hwan Lim and others published Detection of Out-Of-Focus Digital Photographs | Find, read and cite all the research you need on ResearchGate
Figure 5 from Detection of Out-Of-Focus Digital …
- https://www.semanticscholar.org/paper/Detection-of-Out-Of-Focus-Digital-Photographs-Lim-Yen/e16fefda5e3b8db399b08d8ec3674a0e6875a02f/figure/4
- One of the first criteria that a user uses in deciding to use and consume a photograph is whether it is in focus or not. We have developed an effective and efficient algorithm to detect out-offocus photographs. In this paper, we describe an algorithm that automatically determines if the captured photograph is out-offocus through image analysis.
How to automatically find out-of-focus photos? - Digital …
- https://www.dpreview.com/forums/thread/3453055
- Hi, I am trying to clean up my family's photo collection. I have been going through and using duplicate software to find similar photos and have been organizing by date etc etc but a few family members are notorious for taking out of focus photos (anywhere from slightly blurry to can't-even-tell-who-it-is) and I am hoping there is a way to automatically find these photos so i …
How to detect when an image is out of focus? - Stack …
- https://stackoverflow.com/questions/15839928/how-to-detect-when-an-image-is-out-of-focus
- The in-focus one has much more high values (because the image has more sharp gradients). When you have the histograms, you can distinguish one from another by comparing e.g. 90%th percentiles of the distributions (which is sensitive to tails). For the out of focus image it is 7 and for the in-focus image it is 13.6 (so twice the difference).
DeepFocus: Detection of out-of-focus regions in whole …
- https://www.researchgate.net/publication/328518879_DeepFocus_Detection_of_out-of-focus_regions_in_whole_slide_digital_images_using_deep_learning
- After the sample is. imaged with the focus points, the algorithm divides the image into 16 sub-regions and then. detects cells in each sub …
7 Programs to Correct or Fix Blurred and Out of Focus Photos
- https://www.raymond.cc/blog/how-to-correct-or-fix-blur-and-out-of-focus-photos/
- The software was tested on Windows 7 but should also work on 8/8.1/Vista and possibly XP. 1. Focus Magic. Focus Magic is quite a well known shareware refocusing program and offers a number of filters to enhance or even degraded your image if you want. The filters are focus, fix motion blur, defocus, increase resolution and despeckle.
Out of Focus: Digital Privacy and the Ability to Hide Your Photo …
- https://symantec-enterprise-blogs.security.com/blogs/expert-perspectives/out-focus-digital-privacy-and-ability-hide-your-photo-facial-recognition
- While the adversary is trying to avoid photo detection for bad purposes, our aim is to help consumers avoid detection for a good purpose, that of strengthening their digital privacy. The implications of this are enormous.
Detecting Forged (Altered) Images - Forensic Focus
- https://www.forensicfocus.com/articles/detecting-forged-altered-images/
- According to our internal scale, JPEG images coming out of the camera normally have apparent visual quality of roughly 80% (can be more or less, depending on camera settings and JPEG compression engine employed by the camera processor). As a result, we expect an unaltered image to fall approximately within that range.
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