Coral TPU ROS Node

I made Coral TPU ROS Node.
Kinetic and Melodic are both supported.

github.com

Raspbian + ROS + Docker

I made Raspbian Stretch + ROS docker image. ROS Kinetic and Melodic are supported.

Dockerhub: hub.docker.com

Github: github.com

Light Head RCNN: Chainer implementation

I made Chainer implementation of Light Head RCNN.

All codes are available on Github knorth55/chainer-light-head-rcnn.

arXiv Github

github.com

Get matched list quickly in python

If you do not consider the list order, it is better to use set and & operator.

a = [1, 2, 3]
b = [2, 3, 4]
c = sorted(list(set(a) & set(b)))

stackoverflow.com

Specify GPU devices on ChainerMN

Use CUDA_VISIBLE_DEVICES environment variable as below.

CUDA_VISIBLE_DEVICES=0,2,3 mpiexec -n 3 python train.py

https://devtalk.nvidia.com/default/topic/509221/specifying-gpu-device-using-openmpi-mpirun/

FCIS: chainer implementation

I implemented Fully Convolutional Instance-aware Segmentation (FCIS) by Chainer.

All codes including training scripts is on Github.

I also made a explanation slide of FCIS on SlideShare.

ArXiv Github SlideShare

github.com

ThinkPad T450 cannot detect wifi adaptors

My T450 suddenly could not find wireless devices with lcpci.

$ uname -r
4.2.0-42-generic 

$ lspci -nn | grep -i net
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3) I218-V [8086:15a3] (rev 03)

I upgrade BIOS version, reboot, and press Fn + F2 and now I can use wireless connection.