Systems and methods for obtaining a super macro image
Systems comprising a Wide/Ultra-Wide camera, a folded Tele camera comprising an optical path folding element and a Tele lens module, a lens actuator for moving the Tele lens module for focusing to object-lens distances between 3.0 cm and 35 cm with an object-to-image magnification between 1:5 and 25:1, and an application processor (AP), wherein the AP is configured to analyze image data from the UW camera to define a Tele capture strategy for a sequence of Macro images with a focus plane slightly shifted from one captured Macro image to another and to generate a new Macro image from this sequence, and wherein the focus plane and a depth of field of the new Macro image can be controlled continuously.
1. A system, comprising:
a Tele camera having a Tele field-of-view FOV and an effective focal length EFL in the range of 7 mm to 40 mm;
an actuator operable to move a component of the Tele camera for focusing the Tele camera to a distance or a set of distances in the range between 5 cm and 35 cm with an object-to-image magnification between 1:5 and 25:1; and
an application processor AP configured to capture an object with the Tele camera in a sequence of Macro images captured with a focus plane shifted from one captured Macro image to another captured Macro image, and configured to generate from the sequence of captured Macro images a new Macro image, wherein the system is included in a mobile electronic device.
2. The system of claim 1 , wherein the AP is configured to analyze image data captured by the Tele camera to define a capture strategy for capturing the object.
3. The system of claim 1 , wherein the focusing the Tele camera is to a distance or set of distances in the range between 7.5 cm and 35 cm.
4. The system of claim 1 , wherein the focusing the Tele camera is to a distance or set of distances in the range between 10 cm and 35 cm.
5. The system of claim 1 , wherein the new Macro image includes image data of a single Macro image of the sequence of Macro images.
6. The system of claim 5 , wherein a selection of the single Macro image out of the sequence of Macro images is performed manually by a user.
7. The system of claim 5 , wherein the AP is configured to automatically select the single Macro image of the sequence of Macro images.
8. The system of claim 7 , wherein the single Macro image is automatically selected by analyzing the focus stack for the sharpest image.
9. The system of claim 7 , wherein the single Macro image is automatically selected by analyzing the focus stack for a most well-composed image.
10. The system of claim 1 , wherein the new Macro image includes image data of between 2 and 5 Macro images of the sequence of Macro images.
11. The system of claim 1 , wherein a focus plane and a depth of field of the new Macro image can be controlled continuously post-capture.
12. The system of claim 1 , wherein the AP is configured to generate the new Macro image with the object entirely in-focus.
13. The system of claim 1 , wherein the AP is configured to generate the new Macro image so that specific new Macro image segments have a specific amount of forward de-focus blur and a specific amount of backward de-focus blur.
14. The system of claim 1 , wherein the system further comprises a Wide camera having a Wide FOV larger than the Tele FOV, and wherein the AP is configured to analyse image data from the Wide camera to capture the object with the Tele camera.
15. The system of claim 1 , wherein the Tele camera is a folded Tele camera comprising an optical path folding element.
16. The system of claim 1 , wherein the Tele camera is a pop-out Tele camera comprising a pop-out lens.
17. The system of claim 1 , wherein the Tele camera has an EFL of EFL=10-20 mm.
18. The system of claim 1 , wherein the system further comprises a Wide camera, and wherein the generation of the new Macro image uses a Wide image as a reference image.
19. The system of claim 2 , wherein the Tele capture strategy is adjusted during the capture of the sequence of Macro images based on information from captured Macro images.
20. The system of claim 1 , wherein the mobile electronic device is a smartphone.
21. A method, comprising: in a mobile electronic device comprising a Tele camera and an application processor AP:
focusing the Tele camera to a distance or set of distances between 5 cm and 35 cm with an object-to-image magnification between 1:5 and 25:1;
configuring the AP to capture an object with the Tele camera in a sequence of Macro images captured with a focus plane shifted from one captured Macro image to another captured Macro image; and
generating a new Macro image from the sequence of captured Macro images.
22. The method of claim 21 , wherein the mobile electronic device is a smartphone.