今天想和大家聊一篇非常有趣的工作，它来自中山大学和北京大学的研究者们。这篇论文另辟蹊径，将一个我们非常熟悉的经典计算机视觉特征——方向梯度直方图 (Histogram of Oriented Gradients, HOG) ，巧妙地融入了现代的 ...

Looking for histogram basics and how to apply histogram analysis to your project? This article from Art Pini has you covered. Oscilloscopes include analysis tools like Fast Fourier Transform (FFT) and ...

No matter what type(s) of photography you like to pursue, mastering exposure is key to creating successful images. While it can be tempting to use your camera's screen to judge exposure, that display ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Vikki Velasquez is a researcher and writer who has managed, coordinated, and ...

A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other graphics ...