2018. In 2018, Dahua acquired security video camera company Lorex. In November 2020, Dahua won a US$9 million, 1,900-camera smart city project with the public security bureau of Jiexiu. Are Lorex cameras made by Dahua? Lorex is a subsidiary of … Continue reading →

So as we see, sensors are analog devices, if we need to connect some sensor to a microcontroller in some project, we need an analog to digital converter (ADC) to convert it from an analog signal to a digital signal. … Continue reading →

An infrared camera detects the thermal energy or heat emitted by the scene being observed and converts it into an electronic signal. This signal is then processed to produce an image.They can only measure the heat emitted by the scene … Continue reading →

In black & white, a red filter will lighten up the brick to light shades of grey, and will unveil details in the brick that are barely visible in color. The same red filter can be used in landscape photography, … Continue reading →

In photography, a tripod is a portable device used to support, stabilize and elevate a camera, a flash unit, or other videographic or observational/measuring equipment. All photographic tripods have three legs and a mounting head to couple with a camera. … Continue reading →

Most cameras, including phone cameras, respond to red light in 600 nanometers. That’s why these cameras cannot capture violet. Can violet be seen? Optics. Violet is at one end of the spectrum of visible light, between blue light, which has … Continue reading →

The best vlogging cameras in 2021 Fujifilm X-S10. It’s lightweight but powerful making it perfect for vlogging and stills. Sony A6400. Still a brilliant camera for vloggers but the design could do with an update. Panasonic Lumix G100. Panasonic Lumix … Continue reading →

The Sony PMW-F55, Blackmagic Design Production Camera 4K, URSA 4K, and URSA Mini 4K, as well as the AJA CION, all use CMOS sensors with global shutter circuitry. Many, but not all, CMOS sensors use rolling shutter. Which Sony camera … Continue reading →

If you’re uploading viral videos which weren’t created by yourself to TikTok then the app will block the video from being uploaded and therefore it’ll look like it’s got zero views.Your video may be under review. It won’t make it … Continue reading →

Download TouchRetouch and open it on your iPhone. Tap Albums to access your iPhone photo library and choose the photo you want to retouch. Choose Object Removal from the menu at the bottom of the screen. Select the Brush or … Continue reading →

People with highly angular faces (sharp cheekbones, square jaw, etc.) naturally look good in pictures because these shapes capture light well. This is as opposed to rounder faces, which the light bounces off of in all directions. It’s not that … Continue reading →

At the moment, the Sony ZV-1 is the best budget vlogging camera in the market. Sony designed it for video content creation with a selfie-friendly flip-out LCD screen. It’s the camera we recommend to beginner vloggers who want a reliable … Continue reading →

You’re right that the only difference is in the metadata: if you save the same image as 300dpi and 72dpi the pixels are exactly the same, only the EXIF data embedded in the image file is different. Is 72 DPI … Continue reading →

What is a Signal? Continuous-Time/Analog Signal. Discrete-Time Signal. Digital Signal. What are the types of digital signal? Applications Audio signal processing. Audio data compression e.g. MP3. Video data compression. Computer graphics. Digital image processing. Photo manipulation. Speech processing. Speech recognition. … Continue reading →

Computers, CDs, DVDs are some examples of Digital signal. What tools use digital signal? Digital Signal Processing Tools sddsconvolve — Does FFT convolution, deconvolution, and correlation. sddsdigfilter — Performs time-domain digital filtering of column data. sddsfdfilter — Performs frequency-domain filtering … Continue reading →