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Gstreamer

GStreamer Network Video Stream and Save to File

October 28, 2014 kangalow 18

In a previous entry, we discussed how to preview webcams. In this article, we’ll discuss a Server which saves both video and audio to a file, and streams video over the network. On the other side of the network, we’ll build a small Client to get the video, decode it Read more …

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Gstreamer

GStreamer xvimage

October 16, 2014 kangalow 11

The NVIDIA Jetson TK1 uses Gstreamer as its official multi-media interface. In previous entries we’ve installed two webcams, a Microsoft LifeCam Studio and a Logitech c920. There are several longer range goals with utilizing the webcams, but first up is to show them on the screen. Here’s the video of Read more …

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Information

NVIDIA Jetson TK1 used for Synthetic Aperture Radar Imaging

October 14, 2014 kangalow 0

At the IEEE High Performance Extreme Computing Conference (HPEC ’14) in September, Massimiliano Fatica and Everett Phillips from NVIDIA presented a paper Synthetic Aperture Radar imaging on a CUDA-enabled mobile platform. The imaging was done on a Jetson TK1! The abstract: This paper presents the details of a Synthetic Aperture Read more …

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Information

NVIDIA Jetson TK1 scores well in SLAMBench introduction

October 9, 2014 kangalow 0

Researchers in the UK have published a paper “Introducing SLAMBench, a performance and accuracy benchmarking methodology for SLAM” which included the NVIDIA Jetson TK1 in their testing. SLAMBench is a publicly available software framework which provides a KinectFusion implementation in C++, OpenMP, OpenCL and CUDA. Simultaneous localization and mapping (SLAM) Read more …

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OpenCV

Face Detection using OpenCV on the NVIDIA Jetson TK1

October 7, 2014 kangalow 10

Back in 2001 Viola and Jones published a paper on a real time face detection framework capable of rapid image processing and high detection rates, one of the seminal works in computer vision. There were three main contributions. First is an image representation called the “Integral Image” which allows features Read more …

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Operating System

Creating a Swapfile in Ubuntu for the NVIDIA Jetson TK1

October 4, 2014 kangalow 2

The NVIDIA Jetson TK1 has a relatively small main memory for running memory hungry applications like Chromium and compiling large programs. By creating a Swapfile, the Jetson will seem much snappier when a bunch of memory is being consumed. Here’s the video on how to create a Swapfile: You can Read more …

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Operating System

Automount SSD Disk on Ubuntu 14.04

October 4, 2014 kangalow 1

Coming from other computer platforms like Windows and OSX, it seems odd that local disks do not mount automatically on Linux Ubuntu 14.04. This procedure is usually called automount. Sure there’s the distinction between partitions and volumes and all that, but it still seems rather odd to me. Under Linux, Read more …

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OpenCV

Jetson TK1 – OpenCV Canny Edge Detector Demo

October 1, 2014 kangalow 2

Back in 1986, John F. Canny developed the Canny Edge detector. I talked about the creation of BitBlt 10 years previous to that, and the Canny Edge was another one of the image processing milestones which is still used today. Here’s the demo of the Canny Edge Detector in OpenCV: Read more …