Abstract: A fast and improved scale-invariant feature transform (SIFT) image stitching algorithm is proposed based on texture classification to solve the problem of huge computational complexity. In ...

I added “‘SIFT’: [‘create’],” to features2d in opencv_js.config.py. However, after building, references to cv.SIFT are still undefined. I also added the opencv_contrib add-on module and enabled ...

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Ever wondered how social media platforms decide how to fill our feeds? They use algorithms, of course, but how do these algorithms work? A series of corporate leaks over the past few years provides a ...

If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle the easiest pieces first. But this kind of sorting has a cost.

When someone mentions pH levels or formulas, I hear those “wah wah” voices from the “Peanuts” cartoons in my head. So, it was with a tad of trepidation that I cracked open “Sift,” the encyclopedic new ...

SAN DIEGO—Future naval battles could hinge on how quickly information warfare officers analyze and send information from maritime operations centers to the fleet, the chief of the U.S. Navy has said.

I’ll admit it: Every time a recipe demands that I sift an ingredient like all-purpose flour, I raise my eyebrows. Do I really have to break out an extra tool that’s notoriously tricky to clean? The ...

Ivy Manning is a Portland, Oregon-based award-winning food writer and author of 10 cookbooks. She is a regular recipe tester and editor for Eater as well as for restaurants and appliance brands. Most ...