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Image processing apparatus and image processing method

專(zhuān)利號(hào)
US11659134B2
公開(kāi)日期
2023-05-23
申請(qǐng)人
SONY GROUP CORPORATION（JP Tokyo）
發(fā)明人
Shogo Takanashi
IPC分類(lèi)
H04N5/225; H04N5/272; G06T5/50; G06T11/00; H04N7/01; G06V40/16
技術(shù)領(lǐng)域
image,presenter,data,processing,unit,display,moving,in,evaluation,pixels
地域： Tokyo

摘要

Visibility of a description on a description field hidden by a presenter is to be ensured while maintaining a positional relationship between the presenter and the description on the description field.The moving image data obtained by imaging a state where the presenter is giving the description onto the description field is processed to determine the description portion. Display data for displaying each of portions determined to be the description portion as a description is generated and superimposed on moving image data. For example, a difference value for each of pixels between a current frame image and a reference frame image is extracted, a group including a series of consecutive pixels having a difference value being a threshold or more is grasped and then, whether or not the group is a description portion is determined for each of the groups.

說(shuō)明書(shū)

CROSS REFERENCE TO RELATED APPLICATION(S)

The present application is a continuation of and claims priority to U.S. patent application Ser. No. 16/482,877, filed Aug. 1, 2019, which is a National Stage Application of PCT/JP2018/007905, filed Mar. 1, 2018, and claims benefit of priority to Japanese Patent Application No. 2017-043471, filed Mar. 8, 2017, the entire contents of each of which are incorporated herein by reference.

TECHNICAL FIELD

The present technology relates to an image processing apparatus and an image processing method, and more particularly to an image processing apparatus, or the like, that processes moving image data obtained by imaging a state where a presenter is presenting a description onto a description field.

BACKGROUND ART

There have been several proposals to enhance visibility of text portions or the like in image display techniques in image distribution. For example, Patent Document 1 discloses a technique of extracting a text portion from an image and superimposing a text that has undergone processing of increasing resolution or text recognition onto the extracted text portion and thereby enhancing visibility. This technique supposes image distribution at a low bit rate, indicating that information in the text portion needs to have higher visibility.

Furthermore, Patent Document 2 discloses a technique of recognizing a text in an image, specifying text color and background color, and then adjusting the text color and the background color in display of the image. This is also considered to be one of the techniques for enhancing the visibility of text.

權(quán)利要求

1
The invention claimed is:1. An image processing apparatus comprising:circuitry configured toidentify a description from an image captured of a subject,analyze a state of the subject from the image, the state of the subject being independent from a position of the subject with respect to the description, andsuperimpose display data related to the description over the image based on the state of the subject.2. The image processing apparatus according to claim 1, wherein the circuitry is configured tonot superimpose the display data over the image based on the state of the subject being in a specific state.3. The image processing apparatus according to claim 2, wherein the specific state is a state in which the subject is facing a specific direction.4. The image processing apparatus according to claim 2, wherein the specific state is a state in which the subject is talking to a specific person.5. The image processing apparatus according to claim 2, wherein the circuitry is configured torecognize a face of the subject, analyze the state of the subject based on a result of face recognition.6. The image processing apparatus according to claim 1, wherein the description is written onto a description field and the image include at least a part of the description field.7. The image processing apparatus according to claim 1, wherein the circuitry is configured toperform processing for enhancing visibility of the description when superimposing the display data over the image.8. The image processing apparatus according to claim 7, wherein the circuitry is configured tofirst perform processing of reducing resolution of the image and thereafter superimpose the display data over the image.9. The image processing apparatus according to claim 7, wherein the circuitry is configured tofirst process the display data so that the description is bordered and displayed, and thereafter superimpose the display data over the image.10. The image processing apparatus according to claim 7, wherein the circuitry is configured tofirst process the display data based on color information of the image so that color of the description is differentiated from color of a background image, and thereafter superimpose the display data over the image.11. An image processing method comprising:identifying a description from an image captured of a subject;analyzing a state of the subject from the image, the state of the subject being independent from a position of the subject with respect to the description; andsuperimposing, by circuitry, display data related to the description over the image based on the state of the subject.12. The image processing method according to claim 11, further comprising:not superimposing the display data over the image based on the state of the subject being in a specific state.13. The image processing method according to claim 12, wherein the specific state is a state in which the subject is facing a specific direction.14. The image processing method according to claim 12, wherein the specific state is a state in which the subject is talking to a specific person.15. The image processing method according to claim 12, further comprising:recognizing a face of the subject; andanalyzing the state of the subject based on a result of face recognition.16. The image processing method according to claim 11, wherein the description is written onto a description field and the image include at least a part of the description field.17. The image processing method according to claim 11, further comprising:performing processing for enhancing visibility of the description when superimposing the display data over the image.18. The image processing method according to claim 17, further comprising:first performing processing of reducing resolution of the image and thereafter superimpose the display data over the image.19. The image processing method according to claim 17, further comprising:first processing the display data so that the description is bordered and displayed, and thereafter superimpose the display data over the image.20. A non-transitory computer-readable storage medium storing instructions which when executed by a computer cause the computer to perform:identifying a description from an image captured of a subject;analyzing a state of the subject from the image, the state of the subject being independent from a position of the subject with respect to the description, andsuperimposing, by circuitry, display data related to the description over the image based on the state of the subject.
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