Tohru Kikawada

MathWorks

Last seen: Today | Active since 2016

Application Engineer
Professional Interests: Signal Processing, Image Processing, Computer Vision, Deep Learning, Automated Driving, and Robotics

Statistics

All

View badges

Content Feed

Answered
Telloの操作
本エラーですがTelloのファームウェアが古い場合にも同様のエラーが出ることがあります。改善しない場合には、お手数ですがTelloのスマートフォンアプリにてファームウェアを最新にアップグレードいただき、再度お試しいただければと思います。詳細は下記の...

circa un mese ago | 0

Submitted

MATLABによる画像処理・コンピュータービジョン・点群処理評価キット
MATLAB image processing, computer vision, and point cloud processing evaluation kit in Japanese

6 mesi ago | 12 downloads |

Answered
カラー分布画像の境界抽出について
下記のsuperpixelを使ったセグメンテーションを試してみてはいかがでしょう。 https://jp.mathworks.com/help/images/land-classification-with-color-features-and-supe...

7 mesi ago | 0

Answered
Lidarと360度カメラのセンサーフュージョンについて
Lidarとカメラのキャリブレーションについては R2020b で新しくリリースされた Lidar Toolbox で機能が提供されています。詳細は下記をご覧ください。 https://jp.mathworks.com/help/lidar/ug/l...

10 mesi ago | 1

Answered
MATLABGUI i'm using with ROS is not work
Thanks for trying the workshop content. As we discussed offline, the main problem here was that the ROS node for the camera was ...

10 mesi ago | 0

Answered
Simulink(windows)でpublishした値をROS2(ubuntu)でsubscribeできない．
本件、コメントでご記載いただいておりますとおり、ROS2 Foxyに対応していないのが原因でございます。 https://jp.mathworks.com/matlabcentral/answers/607606-ros2-simulink-toolbo...

oltre un anno ago | 0

Answered
How to add .Net library to global assembly cache?
To add a .NET assembly to your global assembly cache, you'll need to use Global Assembly Cache Tool (Gacutil.exe). Please see th...

oltre un anno ago | 0

Submitted

Human Pose Estimation with Deep Learning
Human Pose Estimation with Deep Learning

oltre un anno ago | 14 downloads |

Submitted

MATLAB AI Robotics Workshop
Hands-on workshop on learning how to develop AI-based autonomous mobile robot

oltre un anno ago | 16 downloads |

Answered
simuling to ros float64multiarray publish layout problem
In your case, you'll need to use MATLAB Function block for the nested message type, so it's a bit complicated. I've attached an ...

oltre un anno ago | 1

Answered
無名関数の原理
3つの引数 xtrain,ytrain,xtest は交差検定の関数として呼び出された際、値が渡されます。 mcr = crossval('mcr',X,y,'Predfun',Nanasi) 無名関数を定義しただけですと実行はされていないことになりま...

oltre un anno ago | 0

Answered
Automated Drivingにて、独自データ・ネットワークの適用は可能でしょうか？
下記にご回答差し上げます。１．独自のデータによる学習モデルの適用は可能でしょうか？　ラベルデータのフォーマットや画像ファイル名には規則があるのでしょうか？　公開されているmask-rcnnなどを参考にしたTensorflowのpdモデルデー...

oltre un anno ago | 0

Answered
Is Mask R-CNN available in Matlab?
Mask RCNN is available from R2020b. https://jp.mathworks.com/help/vision/ug/getting-started-with-mask-r-cnn-for-instance-segmen...

circa 2 anni ago | 0

Answered
Simulink ROS node with catkin build
I was able to compile a generated ROS node from a Simulink model with "catkin build". Could you explain more about your problem?...

circa 2 anni ago | 0

Answered
Co-Simulation between Simulink and Gazebo in RealTime?
It might be hard to perform the real-time co-simulation. As you may know, the two solvers try to be synchronized and it basicall...

oltre 2 anni ago | 0

Answered
ROS catkin_make issue install with AlexNet Example
The same issue was reported below and you may have to update your CMake as suggested. https://github.com/marian-nmt/marian/issu...

oltre 2 anni ago | 0

Answered
generated ros node crashes
You may want to increase the array size before generating the ROS node as below. https://jp.mathworks.com/help/ros/ug/manage-ar...

oltre 2 anni ago | 0

| accepted

Answered
Cannot connect to ROS master running on mi PC from raspberry pi
Please try to set the following environment variable on your Raspberry Pi as disscussed here. $ export ROS_HOSTNAME=192.168.1.1...

oltre 2 anni ago | 0

Answered
Matlab support for Raspberry Pi 4
Now MATLAB and Simulink supports Raspberry Pi 4 Model B from R2020a. https://jp.mathworks.com/hardware-support/raspberry-pi-mat...

oltre 2 anni ago | 2

Answered
MATLABからRaspberry Piを利用し、物体認識を行う際のWebカメラの利用について
上記のAlexNetのコードを使って私のRaspberry Pi 4では動作しました。可能性として考えられるのがResNetのモデルを実行した後に、AlexNetのモデルを実行しますと、前のプロセスがカメラをつかんでいるため画像が真っ黒になることが...

oltre 2 anni ago | 0

| accepted

Answered
some header files which are actually included in code were not generated in code generation process of simulink.
You may need to call packNGo to collect the referred files from your code. Here is an example for this and the files can be foun...

oltre 2 anni ago | 0

Answered
Simulink Robotics System Toolboxの「Publish」ブロックのエラー
Robotics System Toolbox (現ROS Toolbox)に内蔵されているメッセージに下記のcanusb/CANが存在しないためにエラーが出ています。 https://github.com/spiralray/canusb/blob/m...

oltre 2 anni ago | 0

Answered
rosbagファイルの結合について
残念ながらRobotics System Toolboxは現状でrosbagの書き出しには対応していません。一方、2つのrosbagを読み出して時系列データとして統合することは可能です。たとえば、timeseriesとして扱う例はこちらにあります。

oltre 3 anni ago | 0

| accepted

Answered
時変係数行列での微分方程式の解法
非線形の偏微分方程式のようですので下記が参考になるかもしれません。 <https://jp.mathworks.com/help/symbolic/examples/solve-a-partial-differential-equation-tsunam...

oltre 3 anni ago | 1

| accepted

Answered
イメージラベラーで特定の色の箇所だけ、ラベリングする方法
赤色の部分を抽出してラベル画像化する方法があります。ご参考になれば幸いです。 %% 画像を保存 imDir = 'images'; [~,~,~] = mkdir(imDir); websave(fullfile(imDir,'image....

oltre 3 anni ago | 0

| accepted

Answered
SimlinkでFFTを行い，ピーク値を求めたい
DSP System Toolboxをお持ちでないということですとMATLAB Functionブロックとfft関数を組み合わせて、ご自身でモデルを作っていただく必要があります。ご自身で試してみて不明点を質問した方が回答が集まりやすいと思います。

oltre 3 anni ago | 1

| accepted

Answered
行列への代入について
線形インデックスを使うのがよいかもしれません。 point=[1 2;2 3;3 2; 1 3]; M=zeros(3,3); M(sub2ind(size(M),point(:,1),point(:,2)))=1; 添字から線...

oltre 3 anni ago | 2

| accepted

Answered
How can I interface CAN_Pack _Unpack with a ROS publisher to generate a standalone ROS node?
Unfortunately, Robotics System Toolbox does not support ROS node generation for models that contain models generating shared lib...

oltre 3 anni ago | 0

| accepted

Answered
Matlab Radar Simulation in Gazebo
If you want to integrate a radar model on Gazebo side, you'll need to write your own SDF file for Gazebo: <http://gazebosim.org...

oltre 3 anni ago | 0

Answered
Vector transformation from one coordinate system to another
I believe you can do that with the utility functions provided by Robotics System Toolbox like follows. <https://mathworks.com/h...

oltre 3 anni ago | 0