Tag：Camera
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Time：2021-1-10
preface Last time we set up the development environment of tensorflow. It’s convenient to run the test model, but it’s still too large for raspberry pie. Only 0.3 FPS can’t meet the needs of real-time production environment. In this article, we deploy tensorflow Lite for mobile terminal and embedded devices, and run several models to […]
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Time：2021-1-7
Today, we introduce how to use raspberry pie and a USB camera to build a simple monitoring system. With it, we can view the dynamic images captured by the camera on the computer. 1. Camera detection Raspberry pie supports many common USB cameras, such as the one used by Liangxu: This type of camera can […]
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Time：2020-12-22
The absence of the iPhone 12 Series in Apple‘s autumn launch in September has greatly increased the appetite of Apple fans. However, due to the “postponement” of the release, the configuration of the new iPhone has long been guessed, such as 5g and 5nm chips, and even the names and models of four mobile phones. […]
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Time：2020-12-19
Requirement description When the deep learning model is deployed on the Android mobile terminal, for the collected camera images, it is necessary to keep the aspect ratio and scale the bitmap to the input size of the model. After zooming, the missing part of the pixels larger than the target size is filled with gray […]
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Time：2020-12-14
IOS has been developed for several years, and custom cameras have been encountered many times. Each time, they copy code from the Internet. However, there are many problems such as direction, which have never been really studied. Now, I would like to record the problems encountered by custom cameras here, so as to avoid forgetting […]
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Time：2020-11-16
When doing the project recently, I need to cut a high-definition screenshot in the game. I studied it and wrote it into a script to facilitate future use. The script can customize the resolution and use the camera to capture high-definition pictures. You can take dynamic screenshots with code or in edit mode. Pay attention […]
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Time：2020-11-12
preface With the development and change of the information age, thesmart citySlowly appeared in real life, to a large extent, to facilitate the daily management and maintenance. In the context of smart city,Intelligent traffic supervision visualization systemIt is an important part of the smart city. Through the series of road monitoring, the management and control […]
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Time：2020-10-23
Android： Background: call the camera, shoot video, and specify the saved address. However, the returned cursor file only has the attributes of name and size, without other attributes such as duration, and even ID use cursor.getInt ( cursor.getColumnIndexOrThrow ( MediaStore.Video.Media . duration)); get the duration, and an error will be reported: java.lang.java . lang.illegalargumentexception If […]
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Time：2020-10-17
preface Last time we set up a tensorflow development environment. It’s convenient to run test models, but it’s still too big for raspberry pie. Only 0.3fps can not meet the needs of real-time production environment. In this article, we deploy tensorflow Lite, which is specially designed for mobile terminals and embedded devices, and run several […]
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Time：2020-10-3
Introduction:Internet of things cameras can make the retail environment more efficient, more convenient for customers, and more importantly, more secure and safe. AI applications can help multiple retail departments improve the customer experience and increase sales conversion rates with viable smart data. By connecting smart cameras to other systems in the IOT, the security process […]
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Time：2020-10-1
In recent years, maker education and artificial intelligence education are becoming more and more popular in primary and secondary schools. From the current application level of primary and secondary education, it mainly includes several fields of artificial intelligence teaching, such as vision and hearing. Therefore, camera module or sensor, as an indispensable teaching aid in […]
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Time：2020-9-26
Although domestic flagship brands gathered in September this year, the iPhone has already fallen from the “altar”, but it is still the most eye-catching new product in the entire mobile phone industry. Apple‘s autumn launch conference is still equivalent to the Spring Festival Gala in the technology industry. This year’s invitation letter to Apple’s press […]
