EE01604U1 - A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements - Google Patents

A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements

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Publication number
EE01604U1
EE01604U1 EEU202200022U EEU202200022U EE01604U1 EE 01604 U1 EE01604 U1 EE 01604U1 EE U202200022 U EEU202200022 U EE U202200022U EE U202200022 U EEU202200022 U EE U202200022U EE 01604 U1 EE01604 U1 EE 01604U1
Authority
EE
Estonia
Prior art keywords
calorific value
oil shale
color
determining
digital image
Prior art date
Application number
EEU202200022U
Other languages
Estonian (et)
Inventor
Mihhail Derbnev
Avar Pentel
Alexander Varushchenkov
Karle Nutonen
Sergei Pavlov
Original Assignee
Tallinna Tehnikaülikool
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tallinna Tehnikaülikool filed Critical Tallinna Tehnikaülikool
Priority to EEU202200022U priority Critical patent/EE01604U1/en
Publication of EE01604U1 publication Critical patent/EE01604U1/en

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  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

In industry, it is necessary to determine the calorific value of oil shale in real time in order to choose the right processing method based on the quality of the oil shale. This invention is based on the fact that the calorific value is positively influenced by the content of the organic component - kerogen. The distribution of combustible and non-combustible components in oil shale is uneven, the human eye cannot distinguish the difference in color of oil shale samples with different calorific values. But these slight differences in color are sufficient for a maschine learning model to determine the calorific value from a digital photo. These models were trained on samples of 8 calorific value classes. In the implementation of the invention, 5 main stages are distinguished: taking a digital photo on the production line; converting a photo into a number vector; attribute engineering, which consist the pixel counting of each color channel in specific intensity ranges and normalizing the results; feeding attributes of machine learning models; classifying the sample into one of eight calorific value classes.
EEU202200022U 2022-07-19 2022-07-19 A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements EE01604U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EEU202200022U EE01604U1 (en) 2022-07-19 2022-07-19 A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EEU202200022U EE01604U1 (en) 2022-07-19 2022-07-19 A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements

Publications (1)

Publication Number Publication Date
EE01604U1 true EE01604U1 (en) 2023-07-17

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ID=87103648

Family Applications (1)

Application Number Title Priority Date Filing Date
EEU202200022U EE01604U1 (en) 2022-07-19 2022-07-19 A method for determining the calorific value of oil shale using a statistical distribution graph of digital image elements

Country Status (1)

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EE (1) EE01604U1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130156270A1 (en) * 2010-08-23 2013-06-20 Ellington & Associates, Inc. Products and Methods for Identifying Rock Samples
RU2654372C1 (en) * 2016-12-02 2018-05-17 Общество с ограниченной ответственностью "Тюменский нефтяной научный центр" (ООО "ТННЦ") Method for estimating oil saturation of rock core from photographs of samples in daylight
WO2021114109A1 (en) * 2019-12-10 2021-06-17 深圳市能源环保有限公司 Method for rapidly measuring and calculating calorific value of sludge on the basis of cielab color space

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130156270A1 (en) * 2010-08-23 2013-06-20 Ellington & Associates, Inc. Products and Methods for Identifying Rock Samples
RU2654372C1 (en) * 2016-12-02 2018-05-17 Общество с ограниченной ответственностью "Тюменский нефтяной научный центр" (ООО "ТННЦ") Method for estimating oil saturation of rock core from photographs of samples in daylight
WO2021114109A1 (en) * 2019-12-10 2021-06-17 深圳市能源环保有限公司 Method for rapidly measuring and calculating calorific value of sludge on the basis of cielab color space

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