Aac Technologies Pte. Ltd.

Aac Communication Technologies (Changzhou) Co., Ltd.

Aac Optics Solutions Pte. Ltd.

Aac Acoustic Technologies (Shenzhen) Co., Ltd.

Ping an Technology (Shenzhen) Co., Ltd.

Shenzhen Linkconn Electronics Co., Ltd.

Jianming Wang

Lei Zhang

Yanmei Wang

Hiroyuki Teraoka

Yuanshan Cui

Jing Jing Xiao

Yi Ji

Junjie Yan

Han Tang

Luyang Cao

Binhe Yu

Chingshun Su

Provided is a camera optical lens, which includes, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a negative refractive power; a sixth lens having a negative refractive power; a seventh lens having a positive refractive power; and an eighth lens having a negative refractive power. The camera optical lens satisfies following conditions: 3.50&#x2264;f1/f&#x2264;6.50; f2&#x2264;0.00; and 1.55&#x2264;n5&#x2264;1.70, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f2 denotes a focal length of the second lens; and n5 denotes a refractive index of the fifth lens. The present disclosure can achieve high optical performance while achieving ultra-thin, wide-angle lenses having a big aperture.

Camera optical lens including eight lenses of +&#x2212;+&#x2212;&#x2212;&#x2212;+&#x2212; refractive powers

The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: &#x2212;3.00&#x2264;f1/f2&#x2264;&#x2212;1.00; and &#x2212;30.00&#x2264;R3/R4&#x2264;&#x2212;2.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Camera optical lens

The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: &#x2212;10.00&#x2264;f1/f3&#x2264;&#x2212;1.00; 3.00&#x2264;R5/R6&#x2264;20.00; and 100&#x2264;(R3+R4)/(R3&#x2212;R4). The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens made of a glass material; a second lens made of a plastic material; a third lens made of a plastic material; a fourth lens made of a plastic material; a fifth lens made of a plastic material; a sixth lens made of a glass material; and a seventh lens made of a plastic material. The camera optical lens satisfies following conditions: 1.51f1/f2.50; 1.70n12.20; 0.60f3/f42.00; 2.50(R13+R14)/(R13&#x2212;R14)10.00; and 1.70n62.20. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Camera optical lens comprising seven lenses of ++&#x2212;&#x2212;&#x2212;+&#x2212; refractive powers

The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, an aperture stop, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The camera optical lens further satisfies specific conditions.

The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, an aperture, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The camera optical lens further satisfies specific conditions.

The present application discloses a network topology self-adapting data visualization method, device, apparatus, and storage medium. The network topology self-adapting data visualization method includes: preprocessing nodes, output the preprocessed nodes; processing the preprocessed nodes by the force guidance layout algorithm to form an initial network topology graph; performing de-duplication processing for the duplicated preprocessed nodes in the initial network topology graph and outputting the de-duplicated nodes; and forming an object network topology graph on the basis of the de-duplicated nodes. By means of the network topology self-adapting data visualization method, data visualization and automation can be achieved, the data visualization processing procedure is simplified, manual intervention is not needed, the manual intervention cost can be effectively reduced, and the processing efficiency is improved.

Network topology self-adapting data visualization method, device, apparatus, and storage medium

A method of collaborative filtering in combination with time factor includes: establishing an exponential smoothing model; acquiring a time period proposed for the exponential smoothing model, the time period includes a plurality of time cycles; acquiring a plurality of user identifiers and user preference degree values of the user identifiers over a specified product during the plurality of time cycles; performing iterative calculations of the user preference degree values utilizing the exponential smoothing model, and obtaining smoothing results corresponding to the time cycles; generating a sparse matrix utilizing the user identifiers and the smoothing result corresponding to the time cycles, the sparse matrix includes a plurality of user preference degrees to be predicted; acquiring a collaborative filtering model and inputting the smoothing results corresponding to the time cycles into the collaborative filtering model; and training through the collaborative filtering model, calculating and obtaining predictive values of the plurality of user preference degrees to be predicted in the sparse matrix.

Collaborative filtering method, apparatus, server and storage medium in combination with time factor

The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies specific conditions.

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Shenzhen, China

Jianming Wang