Method, system and equipment for calculating volume of solid food

A technology of solid food and calculation method, applied in the direction of calculation, computer parts, neural learning method, etc., to achieve the effect of accurate calculation results

Pending Publication Date: 2022-05-31
SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And a certain proportion of food belongs to solid food, such as foods such as stir-frying,...

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  • Method, system and equipment for calculating volume of solid food
  • Method, system and equipment for calculating volume of solid food
  • Method, system and equipment for calculating volume of solid food

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Embodiment Construction

[0042] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the inventive concept. These all belong to the protection scope of the present invention.

[0043] A method for calculating the volume of solid food provided by the present invention, comprising:

[0044] The step of obtaining a meal point cloud: obtaining a meal image, and identifying the dishes of the meal according to the meal image, wherein the meal image contains a container and the meal contained in the container; for the meal image, remove the point cloud of the container, and obtain point cloud of meals;

[0045] The overall volume calculation step: transform the point cloud of the meal to ob...

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Abstract

The invention provides a method, system and equipment for calculating the volume of solid food, and the method comprises the steps: obtaining a diet image, and recognizing the dishes of the diet according to the diet image, the diet image containing a container and the diet contained in the container; for the diet image, removing the point cloud of the container to obtain the point cloud of the diet; converting the point cloud of the diet to obtain a corresponding grid, and calculating the overall volume of the diet according to a grid surface corresponding to the surface of the diet; and removing gaps among the foodstuffs from the overall volume to obtain the volume of the diet. A corresponding volume calculation scheme is provided for the solid food with gaps between the food materials, and compared with a universal calculation scheme, the calculation result is more accurate. According to the method, the influence on container size calculation caused by the shooting distance can be overcome in the calculation process. According to the method, the boundary line of the diet and the container can be accurately identified, and a good precondition is provided for calculation of the diet contour.

Description

technical field [0001] The present invention relates to the field of food volume calculation, in particular, to a method, system and device for calculating the volume of solid food. Background technique [0002] Patent documents CN105580052A and CN111127545A in the prior art respectively disclose different solutions for calculating food volume. A meal photographing reference object, a meal recording method, and a measurement and analysis method and analysis system for meal images are provided. The meal photographing reference object is composed of an inner frame, an outer frame and an inner and outer frame connection, which is convenient for users to use as a meal photographing reference object. Measurement and evaluation of meals; the above-mentioned photographing reference objects are framed with the food, and the meals are photographed and recorded from different angles; the dietary images obtained by using the above-mentioned dietary photographing reference system are me...

Claims

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Application Information

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IPC IPC(8): G06T7/62G06V10/764G06V10/82G06K9/62G06N3/04G06N3/08
CPCG06T7/62G06N3/08G06T2207/20081G06T2207/20084G06T2207/30128G06T2207/10028G06N3/045G06F18/24
Inventor 王慧
Owner SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE
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