Takanome is a service that visualizes the distribution and severity of litter on streets. 'Takanome for Automobiles' investigates wide areas using vehicles, while 'Takanome for Pedestrians' focuses on specific areas and provides more detailed results. Using such services, users can find out areas where litter tends to gather, and optimize their cleaning strategies to achieve the best results. This includes maximizing the efficiency of local cleaning activities, quantifying the effect of implementations, and etc..

Takanome: Litter Distribution Research
The Image analysis x Smartphone service to keep your city clean.
Understand the current situation, measure the effectiveness of previous methods, and propose better ones, all by visualizing the distribution of litter.
What are the benefits of this service?
Sustainability activities using vehicles.
- By conducting Takanome surveys with company cars running on streets, continuous monitoring can be achieved.
- Participating in such social activities can enhance drivers’ moral awareness as well.
Litter Distribution Survey.
- Understand the distribution of litter around train stations and urban areas.
- Measure the effectiveness of common anti-littering methods like rubbish bin placement, designated smoking areas, poster posting, etc.
- Formulating strategies that considers seasonal and regional characteristics, and strengthening cooperating systems.
Our Services
Takanome for Pedestrians (detailed survey)
The litter distribution survey service utilizing smartphones. Specific area are filmed and the images are analyzed. This service helps with in-depth understanding of litter distribution and the data can be used for local cleaning activities.
Takanome for Automobiles (wide-area survey)
Utilizes automobiles to survey littering in the community. Filming equipment is installed in the vehicles to survey the distribution of litter in the streets. The service helps with the understanding of a wide range of litter distribution conditions and the formulation of community beautification strategies using the data.
※ Pirika Inc. / Pirika Association conducts surveys by filming the streets using cameras on smartphones, etc.. Faces and license plates may appear in the footage in rare cases. We have taken all due care with regards to the protection of personal information in implementing the project by blurring the relevant parts of the images, but please contact us through the contact form if you have any questions or concerns. Responsible party: Pirika Inc. / Pirika Association
How "Takanome for Pedestrians" Works
Planning and Preparation
Determining Track Path according to project's needs and budget
The area and frequency of the software's program is determined to meet project needs. Our team can also offer expert recommendations on the most effective routes.
Data Collection
Capturing Street Footage via Mobile App
The video footages of selected streets will be recorded using the Takanome app. This can be conducted either by the client themselves or our team at Pirika (Smartphones with Takanome app pre-installed can be provided)
Analysis
Identifying the type and amount of Litter
Using a system developed by Pirika, the video footages will be analyzed to identify the type and amount of litter around the city.
Findings and Recommendations
Creating heat maps and reports, as well as advices directed to problem-solving
Findings of the project will be compiled into heat-maps. Reports, comparative analyses with other areas, and advices regarding local environmental policy are also available.
How "Takanome for Automobiles" Works
Planning and Preparation
Installing the smartphone in the vehicle for filming.
The duration of the survey and the number of smartphones will be decided depending on the frequency of vehicle usage and budget. Survey equipments will be delivered to users by post. Install the smartphone in the vehicle following the instructions given.
Data Collection
Capturing video footage of the streets.
A dedicated app is used to capture footage of the streets while the vehicle is in motion.
Analysis
Identifying the type and quantity of litter from the video footage.
Using an AI-based system developed by Pirika, the video footages will be analyzed to identify the type and amount of litter around the city. The results from the survey data analysis can be used to establish strategies for community beautification.
Communication
Communicate and raise awareness of initiatives against littering.
Vehicles participating in the survey will be labeled with "Anti-litter Survey" stickers to show that they are contributing to the beautification of the community. Pirika will also actively spread information on initiatives with partner companies.
Past Projects
Yokohama, Totsuka Ward
Surveying the amount of litter around Totsuka station, the city obtained data necessary to maximize the placement of non-smoking areas
Tokyo 2021 Olympic Venues
Measuring the intensity of litter in key Olympic venues, it became possible to improve the cleanliness of the 2021 games.
Reference: "The Intensity of Litter in Tokyo Olympics Venues"
Kawasaki City
Research was conducted in partnership with a university team. This project allowed visualization of the distribution of litter around Kawasaki Station with a data-oriented and thorough perspective.
Reference: "Utilizing Environmental Data and Footage in Addressing Community Issues"
Osaka, Nishi-Yodogawa Ward
Started from a request from the local authority to conduct a litter distribution survey , the project was carried out under the cooperation of residents around Tsukamoto Station. Similar initiatives were also implemented in Higashiyodogawa Ward and Tennoji Ward.
Reference: "The Intensity of Litter around Tsukamoto Station"
Around Tokorozawa station in Saitama
With support from Professor IRIE Teruaki, Tokyo University of Agriculture, the distribution of litter around Tokorozawa station was investigated to explore the effects of smoking areas to litter distribution. It is found that after the removal of the smoking area, the amount of littering increased in the nearby park.
Reference: "The Intensity of Litter around Tokorozawa Station"
Around Koiwa station in Edogawa Ward
With support from Professor IRIE Teruaki, Tokyo University of Agriculture, the distribution of litter around Koiwa Station before and after the set-up of smoking areas was investigated. It is found that the number of litter around the smoking areas decreased after the set-up of smoking areas.
Reference: The Intensity of Litter around Koiwa station
Contact us for details of above projects or information about other projects.
To our supporters
We have received much support from a great number of people via the crowdfunding platform "kibidango" throughout the development of Takanome. The funds received are used primarily for development costs and paying part-time or temporary staff. Without your support, it would have been impossible for us to develop Takanome. The whole team would like to thank you from the bottom of our hearts.
Our supporters (in no particular order)
- (株)丸越
- (株)四月一日企画
- (株)浜田
- aurayy
- Chiyo Nomura
- Eri Yoshikane
- H.ITOH
- Hideaki Nagano
- Hiromitsu Kawasaki
- K’z
- Kenzo Yoshida
- kinox
- kuwa
- loyal.2nd
- M.S.
- mogya
- nobiinu_and
- Nobuhiro Ito
- penTa
- Ryota Matsuzaki
- Toyokazu Kitou
- Yasunori Ogawa
- yoneapp
- Yu Andoh
- Yuhi Sato
- Yukako Kato
- あさい
- なこやん
- マイキー
- レザークラフトよっこらしょhiroki
- 岡本 英典
- 原田 順啓
- 古川 和年
- 溝口 博重
- 荒川 祐二
- 山田 泰久
- 山本 治
- 小林 智美
- 庄司 昌彦
- 杉山 大悟
- 前田 牧絵
- 村杉 若穂
- 太田 和重
- 仲嶺 梨子
- 藤井 美明
- 浜島 裕作
- 湊 友宏
- 民野 剛郎
- 匿名希望多数