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digital camera can be more convenient, please take a positive photo on it). Open this picture with Photoshop 7.0, press the "C" button on your keyboard to select the Trim tool, and in the Trim tool options bar, enter a fixed width of 2.78cm, a height of 3.8cm, and a resolution of 300 pixels per inch. Then select the range you want to keep in the picture (Figure 1), and press ENTER to confirm. Figure 1
can be used to encode digital imagery and some types of computer-generated art. Simply put, the pixel is the value of the point of the image, dots drawn into lines, lines drawn into the face. The sharpness of a picture is, of course, not determined by pixels. Pixel value the pixel that the camera says is, in fact, the maximum pixel meaning, pixel is the unit of resolution, this pixel value is only the effe
When we conduct PCB cabling, we always face two or three kinds of situations on one board. The silly practice is of course, regardless of the case of November 21, copper is applied as long as it is the ground. This is not a problem for low-speed boards or boards that are insensitive to interference. Otherwise, the Boards may not work properly. Of course, if there are many places on a board, even if the Board has no requirements, but from a rigorous and serious point of view, we still need to use
Introduction to multi-meter Digital Monitoring Published on: 17:59:15 poster: Li fuqi Introduction to multi-meter Digital MonitoringA digital monitoring system consists of the following parts:Front-end acquisition system: Camera, lens, cloud platform, decoder, bracket, shield and other equipment.Video
Design of MATLAB IIR digital filter First we need to understand the relevant concepts. Digital filter design uses angular frequency, how to correspond with the actual signal frequency. Angular frequency w, sampling frequency FS, the actual signal frequency F conversion relationship is: W = 2*pi* f/fs the angular frequency of the sampling frequency is 2 *pi. the
I went to Suzhou last weekend to meet my best friend. I also visited huqiu and Dingyuan in Suzhou, and went to Zhouzhuang in Kunshan on Sunday. I had a great time. I wiped out all my 1 GB cards. I won't say much here if you want to make some beautiful photos after finishing them. When I came back, I began to import photos. I still used the old method, but I always thought about the problem of the file date. Suddenly, I thought of three ways to connect a digi
Cameras have been plagued every time you travel. It is not very good to let people take photos with smiling faces behind others. So I always wanted to buy a digital camera. Most common digital cameras on the market are Japanese. Such as Sony, Canon, Olympus, etc. I have the habit of resisting Japanese goods. As a result, I have not picked a
When you connect a digital camera to a computer running Windows Vista, the camera is not recognized by the system. When this problem occurs, you may experience the following conditions: 1, do not display the AutoPlay window. 2. Displays the AutoPlay window, but the Import pictures and videos option is not available. 3, the
Photoshop is the primary tool for digital darkroom post-processing today, the most use is the color palette, color matching is the most commonly used and the most complex means is also the most diverse, accurate tone is the most important factor of the photo, the exact tonal category includes: hue (color temperature), contrast, bright dark layer, saturation, Color balance, if you can master Photoshop palette means that has a powerful color photo later
Raw file as a kind of image storage data format, only record the original information of the digital camera sensor, provide more flexibility for the post-processing of the digital image, which is favored by many photographers. In general, we can use the official software to buy the camera to open and process raw format
the image are 800 and 600 respectively, and the total pixel is 800*600 = 480000 (the 0.5 million resolution described in the camera ).Computer Color Model Machine RGB A color model is a digital model, or a way to record the color of an image. The RGB model, CMYK model, HSL model, and LAB color model are available. The most common model is the RGB model.RGB As we all know, almost all colors in the world can
2. Commonly Used Digital Video Standard 2.1 bt656 First, you must understand the waveform of the video signal simulating PAL/NTSC: To transmit digital video data, first we need to digitize the analog video signal to obtain the YUV value of each pixel. Generally, the yuv422 format is used, and only the image data cannot be transmitted, it also needs to transmit row synchronization, field synchronization, p
inside.Give a few examples,Practice it yourself, such as writing red, green, blue, yellow, pink, gray, and then quickly writing out the color of the main hue of your mouse pad. If it's black, write a purple one. Anyway, a little practice.Since 8 can say, then from red to black into 16384 part, that is , said, the line is not OK, of course. What's the use of dividing the number of pieces? ReferenceHttp://wenda.hexun.com/question/34986.htmlPart of the digita
I'm sorry, but I have to share with you the following thing: I won the prize again-_-0 This time, I participated in the "my city, my digital life" activity held by engadget Chinese and got a small digital product. There are two in total: 1. motorola's cool bag 2. little manager of digital cable sounds good, especially the little manager behind it. It is a prize
1CDCSI Etabs Chinese Handbook (34.2M)CSI Etabs NL Server v9.0.7 1CD (server)Csi. Etabs.nonlinear.v9.0.4.manual.addon 1CD (User manual)Csi. safe.v14.0.0.1029 1CDCSI Safe v12.3.2 for Winall 1DVD (Foundation and floor design software)CSI Safe Plus detailer v8.1.0 1CD (detailer plug-in) Csi. sap2000.v17.1.1.1099 1CD (English version)Csi. Sap2000.v15.2.1.standalone 1CDCSI SAP2000 Advanced V14.10-iso 1DVD (Chinese and English fully cracked version)CSI SAP2000 v10.0.7 Server 1CDCSI SAP 2000 China Stee
Internet knowledge. This book "The World Is Mathematics" is a popular science book, the reader object is non-professional. This book is concise, interesting, and thought-provoking, and many of the views are of great value to both professionals and the general public. Whether you have a computer background or whatever you do, this book is a must-read if you agree that you live in the digital age. This book is known as the C language of the Bible, affe
The seventh Chapter study programmingAdvantages of javascript: It is supported by all browsers. Its code is also easy to show to others. The language itself is relatively simple and requires a low demand for learners. But it's very powerful and can perform extremely complex computational tasks. Many world-class big Web sites provide JavaScript APIs. 7.1 Basic concepts of programming languages① any programming language will provid
The hardware adopts modular design and can be extended through USB interface. The operating system adopts open-source UbuntuLinux. Only host, not display. The purpose is to establish a home control center, home entertainment center, and Home Network Center, build a basic platform for Digital Home, and achieve three-in-one network. Main functions 1. set-top box: it can receive digital signals 2. It supports
This paper introduces the design purpose, system structure and working principle of the digital compass designed with two UGN3503 type Hall devices, and how to use the main devices. The system includes UGN3503 type Hall device, TLC0832 A/D converter, SCM control, liquid crystal display four parts, realize the geomagnetic information acquisition, amplification, through the analog-to-digital conversion and SC
From: http://www.ynradiology.net/Article_Show.asp? ArticleID = 652Objective To achieve digital medical image communication standard (DICOM ).Method Analysis implements DICOM standards.Results The DICOM standard is implemented using C ++.Conclusion The interface standardization of medical image equipment is a key factor for the success or failure of medical image equipment in the future. The development and research of DICOM standards in China will con
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