本项目提供37种不同的图像卷积算子，用来评估图像的锐度、清晰度，并给出了比较不同算子和算法的方法，该方法可高效、准确的找到合适的图像清晰度评估算法，来适用于不同应用、不同类型和内容的图片，并根据最佳清晰度确定相机镜头的调焦角度。

Don Pettit has been at it again. Not content with dazzling earthlings with incredible photos captured from his current home aboard the International Space Station (ISS), the NASA astronaut has now ...

Venus Optics, makers of Laowa lenses, has built up quite a reputation for probe lenses: long macro lenses that can help you ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

Ricoh also sells the GR IIIx, which is the same great camera as the standard GR III but with a 40mm equiv. lens instead. If you prefer the 'normal' field of view to a wider one, be sure to pick ...

Nikon Nikkor Z 28mm f/2.8 If you have a Nikon mirrorless camera, we highly recommend the Nikon Nikkor Z 28mm f/2.8 lens. This lens is great for capturing a more expansive view when taking shots in ...

one version could essentially offer a discreet way to view content available on the web without having to look at an actual screen. Another version of an augmented-reality lens would project ...

Most importantly, this means acquiring your desired lenses, allowing you different focal lengths, levels of image quality, and even color values. The quite different DSLR and mirrorless cameras ...

The new Canon RF 16-28mm F2.8 IS STM ultra-wide zoom lens is a smaller and cheaper alternative to Canon's pro L-series lenses, ideal for enthusiast cameras like the EOS R8.

So far, Lens defaulted to a split-screen view with a gallery of local images on the bottom, and your phone’s camera viewfinder up top. But before you could actually get started searching for any ...