Thumbnail Orientation Control for Mixed-Attitude Image Displays
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Solution Overview
Problem
Conventional digital cameras face difficulties in displaying images shot in different attitudes, leading to poor viewability when vertically shot images are displayed in a thumbnail format, as they are reduced to fit the horizontal orientation, making them smaller and harder to view.
Innovation Solution
An imaging device with an attitude detection system that records image signals along with attitude information, allowing for the restoration and adjustment of thumbnail image orientation and size based on user-selected attitude information, ensuring images are displayed in their original shooting attitude.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vertically shot images are reduced to fit horizontal orientation in thumbnail display, then all images can be displayed in a unified format, but the viewability and display size of vertical images deteriorate
Solution Approach 1:
The thumbnail display dynamically adjusts the orientation and arrangement of images based on their original shooting attitude (horizontal or vertical). The display control section rotates and positions each thumbnail according to its recorded attitude information, allowing vertical images to be displayed vertically and horizontal images horizontally, rather than forcing all images into a fixed horizontal layout.
Solution Approach 2:
The system changes the display parameters (orientation angle and position) of each thumbnail based on its original shooting attitude. By reading the attitude information stored with each image and applying corresponding rotation transformations, the display adapts the orientation parameter to match the original shooting orientation, thereby preserving the intended viewability while maintaining unified format compatibility.
2Ease of operation
If thumbnail images are displayed in mixed orientations, then each image maintains its original viewing orientation, but the display layout complexity increases
Solution Approach 1:
The attitude information regarding the original shooting orientation is recorded and stored together with each image data at the time of capture. This preliminary recording of orientation information eliminates the need for complex real-time analysis of image content or manual user input, as the display control section can directly read the pre-stored attitude information and apply the appropriate rotation and positioning automatically.
3Device complexity
If all thumbnail images are forced into horizontal orientation, then the display layout is simplified, but vertically shot images lose their original orientation information
Solution Approach 1:
The attitude information regarding the original shooting orientation is recorded and stored together with each image data at the time of capture. This preliminary recording of orientation information eliminates the need for complex real-time analysis of image content or manual user input, as the display control section can directly read the pre-stored attitude information and apply the appropriate rotation and positioning automatically.
Solution Approach 2:
The system creates a rotational copy or transformed version of each thumbnail image based on its original attitude. Instead of displaying the original pixel data directly, the display control section generates a rotated copy that reflects the original shooting orientation, thereby preserving the orientation information while adapting it to the display context.
Data Source
AI summary
An imaging device which is capable of realizing an easily viewable thumbnail display is provided. The imaging device includes: an imaging optical system for forming an optical image of an object; an imaging sensor for receiving the optical image of the object formed by the imaging optical system, for converting the received optical image into an electrical image signal, and for outputting the electrical image signal; an attitude detection section for detecting an attitude of the imaging device at the time of shooting; an image recording section for interrelating and recording the outputted image signal and attitude information indicative of the detected attitude; a display section for displaying a reduced image based on the recorded image signal; a reception section for receiving a selection of the attitude information from a user; and an image display control section for changing a location and a display size of the reduced image on the display section in accordance with the selected attitude information. The image display control section restores an orientation of the reduced image so as to correspond to the attitude of the imaging device at the time of the shooting in accordance with the attitude information, and causes the display section to display the restored reduced image.